[INFO] fetching crate rusticsearch 0.0.2...
[INFO] checking rusticsearch-0.0.2 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate rusticsearch 0.0.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate rusticsearch 0.0.2
[INFO] finished tweaking crates.io crate rusticsearch 0.0.2
[INFO] tweaked toml for crates.io crate rusticsearch 0.0.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rusticsearch 0.0.2 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 109 packages to latest compatible versions
[INFO] [stderr]       Adding atomicwrites v0.1.5 (available: v0.4.4)
[INFO] [stderr]       Adding byteorder v0.5.3 (available: v1.5.0)
[INFO] [stderr]       Adding chrono v0.2.25 (available: v0.4.41)
[INFO] [stderr]       Adding iron v0.4.0 (available: v0.6.1)
[INFO] [stderr]       Adding kite v0.1.0 (available: v0.2.1)
[INFO] [stderr]       Adding kite_rocksdb v0.1.0 (available: v0.2.1)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.27)
[INFO] [stderr]       Adding maplit v0.1.6 (available: v1.0.2)
[INFO] [stderr]       Adding persistent v0.2.1 (available: v0.4.0)
[INFO] [stderr]       Adding roaring v0.4.2 (available: v0.11.2)
[INFO] [stderr]       Adding router v0.2.0 (available: v0.6.0)
[INFO] [stderr]       Adding serde_json v0.9.10 (available: v1.0.143)
[INFO] [stderr]       Adding slog v0.6.0 (available: v2.7.0)
[INFO] [stderr]       Adding slog-term v0.6.0 (available: v2.9.2)
[INFO] [stderr]       Adding unicode-segmentation v0.1.3 (available: v1.12.0)
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.7)
[INFO] [stderr]       Adding uuid v0.3.1 (available: v1.18.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-1-tc2/source/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e38ff6e9835d07bebb3c529cb00b113ecf2e1ea57d448e97185c2f8446c18698
[INFO] running `Command { std: "docker" "start" "-a" "e38ff6e9835d07bebb3c529cb00b113ecf2e1ea57d448e97185c2f8446c18698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e38ff6e9835d07bebb3c529cb00b113ecf2e1ea57d448e97185c2f8446c18698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38ff6e9835d07bebb3c529cb00b113ecf2e1ea57d448e97185c2f8446c18698", kill_on_drop: false }`
[INFO] [stdout] e38ff6e9835d07bebb3c529cb00b113ecf2e1ea57d448e97185c2f8446c18698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d919fd4d986024516d21cf29a800a6f7a2b3fb14ae5ad45926c9643202dbcccd
[INFO] running `Command { std: "docker" "start" "-a" "d919fd4d986024516d21cf29a800a6f7a2b3fb14ae5ad45926c9643202dbcccd", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking traitobject v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking rustc-demangle v0.1.26
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.1.45
[INFO] [stderr]    Compiling num-complex v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.43
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking maplit v0.1.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking num v0.1.43
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking roaring v0.4.2
[INFO] [stderr]     Checking error-chain v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking atomicwrites v0.1.5
[INFO] [stderr]     Checking kite v0.1.0
[INFO] [stderr]     Checking slog v0.6.0
[INFO] [stderr]    Compiling librocksdb-sys v0.4.1
[INFO] [stderr]     Checking slog-term v0.6.0
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr]     Checking router v0.2.0
[INFO] [stderr]     Checking persistent v0.2.1
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/stop_watch.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.h:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.h:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/range_del_aggregator.h:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/table_builder.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/merge_helper.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:103:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   103 |                                   const Slice& operand) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:1:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:     1 | //  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/merge_helper.cc:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h: In member function 'virtual bool rocksdb::MergeOperator::FullMerge(const rocksdb::Slice&, const rocksdb::Slice*, const std::deque<std::__cxx11::basic_string<char> >&, std::string*, rocksdb::Logger*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:69:39: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    69 |   virtual bool FullMerge(const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:70:39: warning: unused parameter 'existing_value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    70 |                          const Slice* existing_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:71:57: warning: unused parameter 'operand_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |                          const std::deque<std::string>& operand_list,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:72:39: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    72 |                          std::string* new_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:73:34: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    73 |                          Logger* logger) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h: In member function 'virtual bool rocksdb::MergeOperator::PartialMerge(const rocksdb::Slice&, const rocksdb::Slice&, const rocksdb::Slice&, std::string*, rocksdb::Logger*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:148:42: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   148 |   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:148:60: warning: unused parameter 'left_operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   148 |   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:149:42: warning: unused parameter 'right_operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   149 |                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:149:70: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   149 |                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                         ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:150:37: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   150 |                             Logger* logger) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/deque:62,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.h:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = const rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/repair.cc:69:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/builder.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/repair.cc:68:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/builder.h:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/builder.h:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/compression.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/builder.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/table_cache.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/table_cache.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h:748:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   748 |     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/merge_helper.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:103:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   103 |                                   const Slice& operand) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = rocksdb::{anonymous}::Repairer::TableInfo; _Args = {const rocksdb::{anonymous}::Repairer::TableInfo&}; _Tp = rocksdb::{anonymous}::Repairer::TableInfo]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = rocksdb::{anonymous}::Repairer::TableInfo; _Args = {const rocksdb::{anonymous}::Repairer::TableInfo&}; _Tp = rocksdb::{anonymous}::Repairer::TableInfo; allocator_type = std::allocator<rocksdb::{anonymous}::Repairer::TableInfo>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_vector.h:1286:30:   required from 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = rocksdb::{anonymous}::Repairer::TableInfo; _Alloc = std::allocator<rocksdb::{anonymous}::Repairer::TableInfo>; value_type = rocksdb::{anonymous}::Repairer::TableInfo]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/repair.cc:418:26:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/repair.cc:214:10: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |   struct TableInfo {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |          ^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/x86_64-linux-gnu/c++/13/bits/c++allocator.h:33,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/bits/allocator.h:46,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/string:43,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/builder.h:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:11: note: synthesized method 'rocksdb::{anonymous}::Repairer::TableInfo::TableInfo(const rocksdb::{anonymous}::Repairer::TableInfo&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   191 |         { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/string:51:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_set.h:31,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/transaction_log_impl.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/transaction_log_impl.cc:11:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/filename.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/transaction_log_impl.h:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/filename.h:22:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/table_cache.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/table_cache.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h:748:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   748 |     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/vector:62,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/transaction_log_impl.h:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = const rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_set.h:31,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/internal_stats.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_builder.cc:27:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_builder.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_builder.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_builder.cc:26:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/table_cache.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/table_cache.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h:748:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   748 |     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_builder.cc: In member function 'void rocksdb::VersionBuilder::Rep::CheckConsistencyForDeletes(rocksdb::VersionEdit*, uint64_t, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_builder.cc:186:48: warning: unused parameter 'edit' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   186 |   void CheckConsistencyForDeletes(VersionEdit* edit, uint64_t number,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In copy constructor 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_builder.cc: In member function 'void rocksdb::VersionBuilder::Rep::Apply(rocksdb::VersionEdit*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_builder.cc:256:57: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   256 |       FileMetaData* f = new FileMetaData(new_file.second);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                         ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_tempbuf.h:62,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/memory:66,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/env.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_set.h:31,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_edit.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_edit.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_edit.h:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/table_cache.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/table_cache.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h:748:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   748 |     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.cc: In member function 'bool rocksdb::VersionEdit::GetLevel(rocksdb::Slice*, int*, const char**)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.cc:200:67: warning: unused parameter 'msg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   200 | bool VersionEdit::GetLevel(Slice* input, int* level, const char** msg) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:927:14:   required from 'constexpr std::pair<typename std::__strip_reference_wrapper<typename std::decay<_Tp>::type>::__type, typename std::__strip_reference_wrapper<typename std::decay<_Tp2>::type>::__type> std::make_pair(_T1&&, _T2&&) [with _T1 = int&; _T2 = rocksdb::FileMetaData&; typename __strip_reference_wrapper<typename decay<_Tp>::type>::__type = int; typename decay<_Tp>::type = int; typename __strip_reference_wrapper<typename decay<_Tp2>::type>::__type = rocksdb::FileMetaData; typename decay<_Tp2>::type = rocksdb::FileMetaData]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.cc:266:38:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/algorithm:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_edit.h:11:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/merge_helper.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:103:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   103 |                                   const Slice& operand) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.cc:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h: In member function 'virtual bool rocksdb::MergeOperator::FullMerge(const rocksdb::Slice&, const rocksdb::Slice*, const std::deque<std::__cxx11::basic_string<char> >&, std::string*, rocksdb::Logger*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:69:39: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    69 |   virtual bool FullMerge(const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:70:39: warning: unused parameter 'existing_value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    70 |                          const Slice* existing_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:71:57: warning: unused parameter 'operand_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |                          const std::deque<std::string>& operand_list,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:72:39: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    72 |                          std::string* new_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:73:34: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    73 |                          Logger* logger) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h: In member function 'virtual bool rocksdb::MergeOperator::PartialMerge(const rocksdb::Slice&, const rocksdb::Slice&, const rocksdb::Slice&, std::string*, rocksdb::Logger*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:148:42: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   148 |   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:148:60: warning: unused parameter 'left_operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   148 |   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:149:42: warning: unused parameter 'right_operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   149 |                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:149:70: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   149 |                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                         ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:150:37: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   150 |                             Logger* logger) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/deque:62,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = const rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/memtable.cc: In member function 'void rocksdb::MemTable::Update(rocksdb::SequenceNumber, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/memtable.cc:695:9: warning: this statement may fall through [-Wimplicit-fallthrough=]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   695 |         }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/memtable.cc:696:9: note: here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   696 |         default:
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/thread_status_updater.h:42,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/thread_status_util.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.cc:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_operation.h:22:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    22 | #if ROCKSDB_USING_THREAD_STATUS
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_operation.h:22:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_operation.h:22:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_operation.h:22:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:50:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    50 | #if ROCKSDB_USING_THREAD_STATUS
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:50:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:50:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:50:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:66:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 | #if ROCKSDB_USING_THREAD_STATUS
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:66:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:66:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:66:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:197:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   197 | #if ROCKSDB_USING_THREAD_STATUS
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:197:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:197:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_updater.h:197:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_util.h:87:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    87 | #if ROCKSDB_USING_THREAD_STATUS
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_util.h:87:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_util.h:87:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_util.h:87:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_util.h:128:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   128 | #if ROCKSDB_USING_THREAD_STATUS
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_util.h:128:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_util.h:128:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_status_util.h:128:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/table_cache.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_set.h:31,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/table_cache.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h:748:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   748 |     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/memtable_list.cc: In member function 'void rocksdb::MemTableList::RollbackMemtableFlush(const rocksdb::autovector<rocksdb::MemTable*>&, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/memtable_list.cc:260:51: warning: unused parameter 'file_number' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   260 |                                          uint64_t file_number) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/string:51,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = const rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/write_controller.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/instrumented_mutex.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/write_thread.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/instrumented_mutex.h:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/instrumented_mutex.h:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:15:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    14 | #include <unordered_map>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    15 | #include <vector>
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/table_cache.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/table_cache.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/tuple:38,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/bits/unique_ptr.h:36,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/bits/shared_ptr_base.h:59,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/bits/shared_ptr.h:53,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/condition_variable:45,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.h:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = const rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/table_cache.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/table_cache.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const std::string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h:748:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   748 |     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/merge_helper.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:103:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   103 |                                   const Slice& operand) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/deque:62,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = const rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_cuckoo_rep.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_cuckoo_rep.h:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_cuckoo_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashCuckooRep::Iterator::SeekForPrev(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_cuckoo_rep.cc:601:56: warning: unused parameter 'user_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   601 | void HashCuckooRep::Iterator::SeekForPrev(const Slice& user_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_cuckoo_rep.cc:602:55: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |                                           const char* memtable_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_cuckoo_rep.cc: In member function 'virtual rocksdb::MemTableRep* rocksdb::HashCuckooRepFactory::CreateMemTableRep(const rocksdb::MemTableRep::KeyComparator&, rocksdb::MemTableAllocator*, const rocksdb::SliceTransform*, rocksdb::Logger*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_cuckoo_rep.cc:627:27: warning: unused parameter 'transform' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   627 |     const SliceTransform* transform, Logger* logger) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_cuckoo_rep.cc:627:46: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   627 |     const SliceTransform* transform, Logger* logger) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/string:51,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/port/port.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.h:11:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = const rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_linklist_rep.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_linklist_rep.h:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/histogram.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashLinkListRep::LinkListIterator::Seek(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:365:35: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   365 |                       const char* memtable_key) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashLinkListRep::LinkListIterator::SeekForPrev(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:371:43: warning: unused parameter 'internal_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |     virtual void SeekForPrev(const Slice& internal_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:372:42: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   372 |                              const char* memtable_key) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashLinkListRep::EmptyIterator::Seek(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:486:36: warning: unused parameter 'user_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   486 |     virtual void Seek(const Slice& user_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:487:35: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   487 |                       const char* memtable_key) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashLinkListRep::EmptyIterator::SeekForPrev(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:488:43: warning: unused parameter 'user_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   488 |     virtual void SeekForPrev(const Slice& user_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:489:42: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |                              const char* memtable_key) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/string:51,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/slice_transform.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = const rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_skiplist_rep.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_skiplist_rep.h:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashSkipListRep::Iterator::SeekForPrev(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:134:43: warning: unused parameter 'internal_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |     virtual void SeekForPrev(const Slice& internal_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:135:42: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   135 |                              const char* memtable_key) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashSkipListRep::EmptyIterator::Seek(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:222:36: warning: unused parameter 'internal_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   222 |     virtual void Seek(const Slice& internal_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:223:35: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   223 |                       const char* memtable_key) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashSkipListRep::EmptyIterator::SeekForPrev(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:224:43: warning: unused parameter 'internal_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   224 |     virtual void SeekForPrev(const Slice& internal_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:225:42: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   225 |                              const char* memtable_key) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc: In member function 'virtual rocksdb::MemTableRep* rocksdb::HashSkipListRepFactory::CreateMemTableRep(const rocksdb::MemTableRep::KeyComparator&, rocksdb::MemTableAllocator*, const rocksdb::SliceTransform*, rocksdb::Logger*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:338:46: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   338 |     const SliceTransform* transform, Logger* logger) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/string:51,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/slice_transform.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = const rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/skiplistrep.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/skiplistrep.cc: In member function 'virtual rocksdb::MemTableRep* rocksdb::SkipListFactory::CreateMemTableRep(const rocksdb::MemTableRep::KeyComparator&, rocksdb::MemTableAllocator*, const rocksdb::SliceTransform*, rocksdb::Logger*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/skiplistrep.cc:267:46: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   267 |     const SliceTransform* transform, Logger* logger) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/skiplistrep.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/inlineskiplist.h: In instantiation of 'void rocksdb::InlineSkipList<Comparator>::Node::StashHeight(int) [with Comparator = const rocksdb::MemTableRep::KeyComparator&]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/inlineskiplist.h:527:17:   required from 'rocksdb::InlineSkipList<Comparator>::Node* rocksdb::InlineSkipList<Comparator>::AllocateNode(size_t, int) [with Comparator = const rocksdb::MemTableRep::KeyComparator&; size_t = long unsigned int]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/inlineskiplist.h:484:13:   required from 'rocksdb::InlineSkipList<Comparator>::InlineSkipList(Comparator, rocksdb::Allocator*, int32_t, int32_t) [with Comparator = const rocksdb::MemTableRep::KeyComparator&; int32_t = int]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/skiplistrep.cc:24:31:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/inlineskiplist.h:222:11: warning: 'void* memcpy(void*, const void*, size_t)' writing to an object of type 'struct std::atomic<rocksdb::InlineSkipList<const rocksdb::MemTableRep::KeyComparator&>::Node*>' with no trivial copy-assignment [-Wclass-memaccess]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   222 |     memcpy(&next_[0], &height, sizeof(int));
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/inlineskiplist.h:47:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/atomic:413:12: note: 'struct std::atomic<rocksdb::InlineSkipList<const rocksdb::MemTableRep::KeyComparator&>::Node*>' declared here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   413 |     struct atomic<_Tp*>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |            ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/string:51,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/port/port.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/inlineskiplist.h:48:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = const rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/vectorrep.cc:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/vectorrep.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/vectorrep.cc: In member function 'virtual void rocksdb::{anonymous}::VectorRep::Iterator::SeekForPrev(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/vectorrep.cc:229:52: warning: unused parameter 'user_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   229 | void VectorRep::Iterator::SeekForPrev(const Slice& user_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/vectorrep.cc:230:51: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   230 |                                       const char* memtable_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/vectorrep.cc: In member function 'virtual rocksdb::MemTableRep* rocksdb::VectorRepFactory::CreateMemTableRep(const rocksdb::MemTableRep::KeyComparator&, rocksdb::MemTableAllocator*, const rocksdb::SliceTransform*, rocksdb::Logger*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/vectorrep.cc:298:36: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   298 |     const SliceTransform*, Logger* logger) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/13/bits/stl_tempbuf.h:62,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/13/memory:66,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/memtablerep.h:38:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = const rocksdb::FileMetaData&; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/new_allocator.h:191:4:   required from 'void std::__new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/alloc_traits.h:538:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/vector.tcc:117:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/bits/stl_pair.h:688:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   688 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y))
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/port/stack_trace.cc: In function 'void rocksdb::port::PrintStack(int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/port/stack_trace.cc:16:21: warning: unused parameter 'first_frames_to_skip' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    16 | void PrintStack(int first_frames_to_skip) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                 ~~~~^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/port/port_posix.cc: In constructor 'rocksdb::port::Mutex::Mutex(bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/port/port_posix.cc:37:19: warning: unused parameter 'adaptive' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    37 | Mutex::Mutex(bool adaptive) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |              ~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/format.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/adaptive_table_factory.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/adaptive_table_factory.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/adaptive_table_factory.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/adaptive_table_factory.h:11:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/adaptive_table_factory.h: In member function 'virtual rocksdb::Status rocksdb::AdaptiveTableFactory::SanitizeOptions(const rocksdb::DBOptions&, const rocksdb::ColumnFamilyOptions&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/adaptive_table_factory.h:47:43: warning: unused parameter 'db_opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   Status SanitizeOptions(const DBOptions& db_opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/adaptive_table_factory.h:48:53: warning: unused parameter 'cf_opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    48 |                          const ColumnFamilyOptions& cf_opts) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/adaptive_table_factory.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/compression.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/table_builder.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_reader.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:18:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    17 | #include "util/autovector.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    18 | #include "port/port.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(CompressionType, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h:74:61: warning: unused parameter 'compression_type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    74 | inline uint32_t GetCompressFormatForVersion(CompressionType compression_type,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/adaptive_table_factory.cc: In member function 'virtual rocksdb::Status rocksdb::AdaptiveTableFactory::NewTableReader(const rocksdb::TableReaderOptions&, std::unique_ptr<rocksdb::RandomAccessFileReader>&&, uint64_t, std::unique_ptr<rocksdb::TableReader>*, bool) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/adaptive_table_factory.cc:47:10: warning: unused parameter 'prefetch_index_and_filter_in_cache' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |     bool prefetch_index_and_filter_in_cache) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/format.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/filter_block.h:31,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_filter_block.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_filter_block.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_filter_block.h:21:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/block_based_filter_block.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/filter_block.h:29:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_reader.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/compression.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:18:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    17 | #include "util/autovector.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    18 | #include "port/port.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(CompressionType, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h:74:61: warning: unused parameter 'compression_type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    74 | inline uint32_t GetCompressFormatForVersion(CompressionType compression_type,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_filter_block.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/format.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block.h:27,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_builder.cc:32:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/flush_block_policy.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_builder.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_builder.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:26:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_builder.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/compression.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/table_builder.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_builder.cc:22:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/block_based_table_builder.cc:29:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h: In member function 'virtual bool rocksdb::MergeOperator::FullMerge(const rocksdb::Slice&, const rocksdb::Slice*, const std::deque<std::__cxx11::basic_string<char> >&, std::string*, rocksdb::Logger*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:69:39: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    69 |   virtual bool FullMerge(const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:70:39: warning: unused parameter 'existing_value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    70 |                          const Slice* existing_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:71:57: warning: unused parameter 'operand_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |                          const std::deque<std::string>& operand_list,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:72:39: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    72 |                          std::string* new_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:73:34: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    73 |                          Logger* logger) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h: In member function 'virtual bool rocksdb::MergeOperator::PartialMerge(const rocksdb::Slice&, const rocksdb::Slice&, const rocksdb::Slice&, std::string*, rocksdb::Logger*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:148:42: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   148 |   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:148:60: warning: unused parameter 'left_operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   148 |   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:149:42: warning: unused parameter 'right_operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   149 |                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:149:70: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   149 |                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                         ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/merge_operator.h:150:37: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   150 |                             Logger* logger) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/block_based_table_reader.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:18:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    17 | #include "util/autovector.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    18 | #include "port/port.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(CompressionType, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h:74:61: warning: unused parameter 'compression_type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    74 | inline uint32_t GetCompressFormatForVersion(CompressionType compression_type,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block.h: In constructor 'rocksdb::BlockReadAmpBitmap::BlockReadAmpBitmap(size_t, size_t, rocksdb::Statistics*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block.h:64:11: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'struct std::atomic<unsigned int>' with no trivial copy-assignment; use value-initialization instead [-Wclass-memaccess]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 |     memset(bitmap_, 0, bitmap_size * kBytesPersEntry);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/statistics.h:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/atomic:845:12: note: 'struct std::atomic<unsigned int>' declared here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   845 |     struct atomic<unsigned int> : __atomic_base<unsigned int>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |            ^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/block_based_table_builder.cc:38:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/full_filter_block.h: In member function 'virtual void rocksdb::FullFilterBlockBuilder::StartBlock(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/full_filter_block.h:46:36: warning: unused parameter 'block_offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |   virtual void StartBlock(uint64_t block_offset) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_builder.cc: In member function 'virtual void rocksdb::IndexBuilder::OnKeyAdded(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_builder.cc:98:40: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    98 |   virtual void OnKeyAdded(const Slice& key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_builder.cc: In member function 'virtual rocksdb::Status rocksdb::BlockBasedTableBuilder::BlockBasedTablePropertiesCollector::InternalAdd(const rocksdb::Slice&, const rocksdb::Slice&, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_builder.cc:425:43: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   425 |   virtual Status InternalAdd(const Slice& key, const Slice& value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_builder.cc:425:61: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   425 |   virtual Status InternalAdd(const Slice& key, const Slice& value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_builder.cc:426:39: warning: unused parameter 'file_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   426 |                              uint64_t file_size) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_builder.cc: In function 'void rocksdb::DeleteCachedBlock(const Slice&, void*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_builder.cc:785:44: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   785 | static void DeleteCachedBlock(const Slice& key, void* value) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/format.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_factory.cc:22:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/flush_block_policy.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_factory.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_factory.cc:11:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:26:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_factory.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_builder.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_factory.cc:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/table_builder.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_reader.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_factory.cc:21:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:18:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    17 | #include "util/autovector.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    18 | #include "port/port.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(CompressionType, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h:74:61: warning: unused parameter 'compression_type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    74 | inline uint32_t GetCompressFormatForVersion(CompressionType compression_type,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_factory.cc: In member function 'virtual rocksdb::Status rocksdb::BlockBasedTableFactory::SanitizeOptions(const rocksdb::DBOptions&, const rocksdb::ColumnFamilyOptions&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_factory.cc:79:22: warning: unused parameter 'db_opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    79 |     const DBOptions& db_opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/format.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block.h:27,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.cc:30:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/persistent_cache.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/persistent_cache.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.h:22:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_reader.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/compression.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.cc:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:18:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    17 | #include "util/autovector.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    18 | #include "port/port.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(CompressionType, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h:74:61: warning: unused parameter 'compression_type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    74 | inline uint32_t GetCompressFormatForVersion(CompressionType compression_type,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block.h: In constructor 'rocksdb::BlockReadAmpBitmap::BlockReadAmpBitmap(size_t, size_t, rocksdb::Statistics*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block.h:64:11: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'struct std::atomic<unsigned int>' with no trivial copy-assignment; use value-initialization instead [-Wclass-memaccess]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 |     memset(bitmap_, 0, bitmap_size * kBytesPersEntry);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/write_buffer_manager.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/options.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/atomic:845:12: note: 'struct std::atomic<unsigned int>' declared here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   845 |     struct atomic<unsigned int> : __atomic_base<unsigned int>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |            ^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/block_based_table_reader.cc:36:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/full_filter_block.h: In member function 'virtual void rocksdb::FullFilterBlockBuilder::StartBlock(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/full_filter_block.h:46:36: warning: unused parameter 'block_offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |   virtual void StartBlock(uint64_t block_offset) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/builder.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/meta_blocks.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.cc:39:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/block_based_table_reader.cc:41:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h: In member function 'virtual rocksdb::Status rocksdb::SstFileWriterPropertiesCollector::InternalAdd(const rocksdb::Slice&, const rocksdb::Slice&, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h:29:43: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    29 |   virtual Status InternalAdd(const Slice& key, const Slice& value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h:29:61: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    29 |   virtual Status InternalAdd(const Slice& key, const Slice& value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h:30:39: warning: unused parameter 'file_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    30 |                              uint64_t file_size) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::SstFileWriterPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h:71:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc: In member function 'virtual rocksdb::InternalIterator* rocksdb::BinarySearchIndexReader::NewIterator(rocksdb::BlockIter*, bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc:207:46: warning: unused parameter 'dont_care' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   207 |                                         bool dont_care = true) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc: In static member function 'static rocksdb::Status rocksdb::HashIndexReader::Create(const rocksdb::SliceTransform*, const rocksdb::Footer&, rocksdb::RandomAccessFileReader*, const rocksdb::ImmutableCFOptions&, const rocksdb::Comparator*, const rocksdb::BlockHandle&, rocksdb::InternalIterator*, rocksdb::BlockBasedTable::IndexReader**, bool, const rocksdb::PersistentCacheOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc:242:29: warning: unused parameter 'hash_index_allow_collision' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   242 |                        bool hash_index_allow_collision,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc: In static member function 'static rocksdb::Status rocksdb::BlockBasedTable::PutDataBlockToCache(const rocksdb::Slice&, const rocksdb::Slice&, rocksdb::Cache*, rocksdb::Cache*, const rocksdb::ReadOptions&, const rocksdb::ImmutableCFOptions&, CachableEntry<rocksdb::Block>*, rocksdb::Block*, uint32_t, const rocksdb::Slice&, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc:961:24: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   961 |     const ReadOptions& read_options, const ImmutableCFOptions& ioptions,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc: In member function 'virtual rocksdb::InternalIterator* rocksdb::BlockBasedTable::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc:1491:24: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  1491 |     const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc: In function 'void rocksdb::{anonymous}::DeleteCachedFilterEntry(const rocksdb::Slice&, void*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc:2140:43: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  2140 | void DeleteCachedFilterEntry(const Slice& key, void* value) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc: In function 'void rocksdb::{anonymous}::DeleteCachedIndexEntry(const rocksdb::Slice&, void*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc:2149:42: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  2149 | void DeleteCachedIndexEntry(const Slice& key, void* value) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc: In instantiation of 'void rocksdb::{anonymous}::DeleteCachedEntry(const rocksdb::Slice&, void*) [with Entry = rocksdb::Block]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc:935:30:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc:94:37: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 | void DeleteCachedEntry(const Slice& key, void* value) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc: In instantiation of 'void rocksdb::{anonymous}::DeleteHeldResource(void*, void*) [with ResourceType = rocksdb::Block]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc:1342:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block_based_table_reader.cc:88:42: warning: unused parameter 'ignored' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 | void DeleteHeldResource(void* arg, void* ignored) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                    ~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_builder.cc:39:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/format.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block.h:27,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/block_based_table_reader.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:18:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    17 | #include "util/autovector.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    18 | #include "port/port.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(CompressionType, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h:74:61: warning: unused parameter 'compression_type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    74 | inline uint32_t GetCompressFormatForVersion(CompressionType compression_type,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block.h: In constructor 'rocksdb::BlockReadAmpBitmap::BlockReadAmpBitmap(size_t, size_t, rocksdb::Statistics*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/block.h:64:11: warning: 'void* memset(void*, int, size_t)' clearing an object of type 'struct std::atomic<unsigned int>' with no trivial copy-assignment; use value-initialization instead [-Wclass-memaccess]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 |     memset(bitmap_, 0, bitmap_size * kBytesPersEntry);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/write_buffer_manager.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/options.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:21:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/13/atomic:845:12: note: 'struct std::atomic<unsigned int>' declared here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   845 |     struct atomic<unsigned int> : __atomic_base<unsigned int>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |            ^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/block_prefix_index.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_prefix_index.cc:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/format.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_builder.cc:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_builder.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_builder.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/table_builder.h:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/compression.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/table_builder.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/file_reader_writer.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/table_builder.h:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_builder.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_builder.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/cuckoo_table_builder.cc:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.h: In function 'uint64_t rocksdb::CuckooHash(const Slice&, uint32_t, bool, uint64_t, bool, uint64_t (*)(const Slice&, uint32_t, uint64_t))':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.h:20:16: warning: unused parameter 'get_slice_hash' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    20 |     uint64_t (*get_slice_hash)(const Slice&, uint32_t, uint64_t)) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.h: In member function 'virtual rocksdb::Status rocksdb::CuckooTableFactory::SanitizeOptions(const rocksdb::DBOptions&, const rocksdb::ColumnFamilyOptions&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.h:69:43: warning: unused parameter 'db_opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    69 |   Status SanitizeOptions(const DBOptions& db_opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.h:70:53: warning: unused parameter 'cf_opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    70 |                          const ColumnFamilyOptions& cf_opts) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_reader.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_reader.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:1:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:     1 | //  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(CompressionType, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h:74:61: warning: unused parameter 'compression_type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    74 | inline uint32_t GetCompressFormatForVersion(CompressionType compression_type,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_factory.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_factory.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:26:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.h: In function 'uint64_t rocksdb::CuckooHash(const Slice&, uint32_t, bool, uint64_t, bool, uint64_t (*)(const Slice&, uint32_t, uint64_t))':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.h:20:16: warning: unused parameter 'get_slice_hash' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    20 |     uint64_t (*get_slice_hash)(const Slice&, uint32_t, uint64_t)) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.h: In member function 'virtual rocksdb::Status rocksdb::CuckooTableFactory::SanitizeOptions(const rocksdb::DBOptions&, const rocksdb::ColumnFamilyOptions&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.h:69:43: warning: unused parameter 'db_opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    69 |   Status SanitizeOptions(const DBOptions& db_opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.h:70:53: warning: unused parameter 'cf_opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    70 |                          const ColumnFamilyOptions& cf_opts) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_factory.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_builder.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_factory.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/table_builder.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const CompressionOptions&, uint32_t, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const CompressionOptions&, const char*, size_t, std::string*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_reader.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_reader.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_factory.cc:11:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_reader.h: In member function 'virtual uint64_t rocksdb::CuckooTableReader::ApproximateOffsetOf(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_reader.h:56:45: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    56 |   uint64_t ApproximateOffsetOf(const Slice& key) override { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.cc: In member function 'virtual rocksdb::Status rocksdb::CuckooTableFactory::NewTableReader(const rocksdb::TableReaderOptions&, std::unique_ptr<rocksdb::RandomAccessFileReader>&&, uint64_t, std::unique_ptr<rocksdb::TableReader>*, bool) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/cuckoo_table_factory.cc:19:10: warning: unused parameter 'prefetch_index_and_filter_in_cache' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    19 |     bool prefetch_index_and_filter_in_cache) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/persistent_cache_helper.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/format.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/meta_blocks.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_reader.cc:21:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_reader.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/cuckoo_table_reader.cc:11:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const std::string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const std::string&, const std::string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(Priority) const':
[WARN] too many lines in the log, truncating it
