[INFO] fetching crate rusticsearch 0.0.2...
[INFO] checking rusticsearch-0.0.2 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate rusticsearch 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rusticsearch 0.0.2 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "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: v0.4.38)
[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: v0.4.22)
[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: v0.10.7)
[INFO] [stderr]       Adding router v0.2.0 (available: v0.6.0)
[INFO] [stderr]       Adding serde_json v0.9.10 (available: v1.0.133)
[INFO] [stderr]       Adding slog v0.6.0 (available: v2.7.0)
[INFO] [stderr]       Adding slog-term v0.6.0 (available: v2.9.1)
[INFO] [stderr]       Adding unicode-segmentation v0.1.3 (available: v1.12.0)
[INFO] [stderr]       Adding url v1.7.2 (available: v2.5.4)
[INFO] [stderr]       Adding uuid v0.3.1 (available: v1.11.0)
[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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f837bfdab74b32c84baa8dbda71731c74f78d010db1a284ad9e27e2689f5bd90
[INFO] running `Command { std: "docker" "start" "-a" "f837bfdab74b32c84baa8dbda71731c74f78d010db1a284ad9e27e2689f5bd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f837bfdab74b32c84baa8dbda71731c74f78d010db1a284ad9e27e2689f5bd90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f837bfdab74b32c84baa8dbda71731c74f78d010db1a284ad9e27e2689f5bd90", kill_on_drop: false }`
[INFO] [stdout] f837bfdab74b32c84baa8dbda71731c74f78d010db1a284ad9e27e2689f5bd90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ba5ee533b834d885eec07de82f3f9c5e04d29af331a315f7b0e34ff8fec5002
[INFO] running `Command { std: "docker" "start" "-a" "1ba5ee533b834d885eec07de82f3f9c5e04d29af331a315f7b0e34ff8fec5002", 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 winapi-build v0.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking cookie v0.2.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.0.1
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking error v0.1.9
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking conduit-mime-types v0.7.3
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking hyper v0.9.18
[INFO] [stderr]     Checking unicode-segmentation v0.1.3
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking error-chain v0.2.2
[INFO] [stderr]     Checking roaring v0.4.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking maplit v0.1.6
[INFO] [stderr]     Checking iron v0.4.0
[INFO] [stderr]     Checking slog v0.6.0
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]     Checking router v0.2.0
[INFO] [stderr]     Checking persistent v0.2.1
[INFO] [stderr]     Checking slog-term v0.6.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking atomicwrites v0.1.5
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]    Compiling librocksdb-sys v0.4.1
[INFO] [stderr]     Checking kite v0.1.0
[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/filename.cc:23:
[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/db/filename.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/filename.cc:13:
[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:                  from rocksdb/db/filename.cc:13:
[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/filename.cc: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/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:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/filename.cc:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  from rocksdb/db/filename.cc:19:
[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:                  from rocksdb/db/filename.cc:19:
[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:                  from rocksdb/db/filename.cc: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/util/stop_watch.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/filename.cc:23:
[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: 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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.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/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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.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/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/flush_job.cc:54:
[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: In file included from rocksdb/util/thread_status_util.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:54:
[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: In file included from rocksdb/db/flush_job.cc:54:
[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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[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:                  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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc: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/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:                  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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.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 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.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/db/memtable.h:20,
[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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[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:                  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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[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:                  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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[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:                  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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.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/db/table_cache.h:24,
[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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[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/internal_stats.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const 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 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: In file included from rocksdb/db/internal_stats.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[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/table/block.h:27,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:39:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(rocksdb::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/flush_job.cc:39:
[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/db/flush_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/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/db/memtable.h:20,
[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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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/memtable.h:20,
[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/flush_job.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_job.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:323:41: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   323 |        : first(std::forward<_U1>(__x)), second(__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/flush_scheduler.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/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/flush_scheduler.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/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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_scheduler.cc:10:
[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:                  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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_scheduler.cc: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/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:                  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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_scheduler.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 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_scheduler.cc:10:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/flush_scheduler.cc:10:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/flush_scheduler.cc:10:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/flush_scheduler.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/db/memtable.h:20,
[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/flush_scheduler.cc:10:
[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:                  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/flush_scheduler.cc:10:
[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:                  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/flush_scheduler.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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/flush_scheduler.cc:10:
[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:                  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/flush_scheduler.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/db/table_cache.h:24,
[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/flush_scheduler.cc:10:
[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/memtable.h:20,
[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/flush_scheduler.cc:10:
[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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/utility:70,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/tuple:38,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/mutex:38,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_scheduler.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_scheduler.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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/memtable.h:20,
[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/flush_scheduler.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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: In file included from /usr/include/c++/11/utility:70,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/tuple:38,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/mutex:38,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_scheduler.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/flush_scheduler.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:323:41: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   323 |        : first(std::forward<_U1>(__x)), second(__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/forward_iterator.cc:13:
[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/forward_iterator.cc:13:
[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/forward_iterator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.cc:7:
[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:                  from rocksdb/db/forward_iterator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.cc:7:
[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:                  from rocksdb/db/forward_iterator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  from rocksdb/db/forward_iterator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.cc:7:
[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:                  from rocksdb/db/forward_iterator.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.cc:7:
[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:                  from rocksdb/db/forward_iterator.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.cc:7:
[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:                  from rocksdb/db/forward_iterator.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.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/db/forward_iterator.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.cc:7:
[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/forward_iterator.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/forward_iterator.h: In member function 'virtual void rocksdb::ForwardIterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/forward_iterator.h:58:33: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    58 |   void SeekForPrev(const Slice& target) override {
[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:                  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/forward_iterator.cc:13:
[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:                  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/forward_iterator.cc: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/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:                  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/forward_iterator.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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_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:                  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/forward_iterator.cc:13:
[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:                  from rocksdb/db/column_family.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.cc:13:
[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:                  from rocksdb/db/forward_iterator.cc:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const 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 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: In file included 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:                  from rocksdb/db/forward_iterator.cc:14:
[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:                  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:                  from rocksdb/db/forward_iterator.cc:14:
[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/forward_iterator.cc: In member function 'virtual void rocksdb::LevelIterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/forward_iterator.cc:100:33: warning: unused parameter 'internal_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   100 |   void SeekForPrev(const Slice& internal_key) override {
[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:                  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/forward_iterator.cc:13:
[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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/bits/char_traits.h:39,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/string:40,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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/memtable.h:20,
[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/forward_iterator.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/bits/char_traits.h:39,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/string:40,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/forward_iterator.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:323:41: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   323 |        : first(std::forward<_U1>(__x)), second(__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/internal_stats.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/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/internal_stats.cc:9:
[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:                  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/internal_stats.cc:9:
[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:                  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:                  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/internal_stats.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/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:                  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:                  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/internal_stats.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  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:                  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/internal_stats.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:                  from rocksdb/db/memtable_list.h:14,
[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/internal_stats.cc:9:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/internal_stats.cc:9:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/internal_stats.cc:9:
[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:                  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/internal_stats.cc:9:
[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:                  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/internal_stats.cc:9:
[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:                  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/internal_stats.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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/internal_stats.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/internal_stats.cc: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: 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:                  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/internal_stats.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/internal_stats.cc:9:
[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:                  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/internal_stats.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/internal_stats.cc: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/db/version_set.h:33,
[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/internal_stats.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const 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 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: In file included from rocksdb/db/internal_stats.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/internal_stats.cc:9:
[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:                  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:                  from rocksdb/db/internal_stats.cc:22:
[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/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleLevelStats(std::string*, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:346:64: warning: unused parameter 'suffix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 | bool InternalStats::HandleLevelStats(std::string* value, Slice suffix) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleCFStats(std::string*, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:373:61: warning: unused parameter 'suffix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   373 | bool InternalStats::HandleCFStats(std::string* value, Slice suffix) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleDBStats(std::string*, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:378:61: warning: unused parameter 'suffix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   378 | bool InternalStats::HandleDBStats(std::string* value, Slice suffix) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleSsTables(std::string*, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:383:62: warning: unused parameter 'suffix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   383 | bool InternalStats::HandleSsTables(std::string* value, Slice suffix) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleAggregatedTableProperties(std::string*, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:390:59: warning: unused parameter 'suffix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   390 |                                                     Slice suffix) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleNumImmutableMemTable(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:417:73: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   417 | bool InternalStats::HandleNumImmutableMemTable(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                 ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:418:57: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   418 |                                                Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleNumImmutableMemTableFlushed(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:424:63: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   424 |                                                       DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:425:64: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   425 |                                                       Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleMemTableFlushPending(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:430:73: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   430 | bool InternalStats::HandleMemTableFlushPending(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                 ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:431:57: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   431 |                                                Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleNumRunningFlushes(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:438:54: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   438 |                                             Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleCompactionPending(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:443:70: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 | bool InternalStats::HandleCompactionPending(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:444:54: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                                             Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleNumRunningCompactions(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:453:58: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   453 |                                                 Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleBackgroundErrors(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:458:69: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   458 | bool InternalStats::HandleBackgroundErrors(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:459:53: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   459 |                                            Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleCurSizeActiveMemTable(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:465:74: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   465 | bool InternalStats::HandleCurSizeActiveMemTable(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                  ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:466:58: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   466 |                                                 Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleCurSizeAllMemTables(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:472:72: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   472 | bool InternalStats::HandleCurSizeAllMemTables(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:473:56: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   473 |                                               Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleSizeAllMemTables(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:480:69: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   480 | bool InternalStats::HandleSizeAllMemTables(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:481:53: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   481 |                                            Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleNumEntriesActiveMemTable(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:487:77: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   487 | bool InternalStats::HandleNumEntriesActiveMemTable(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                     ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:488:61: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   488 |                                                    Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleNumEntriesImmMemTables(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:494:75: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   494 | bool InternalStats::HandleNumEntriesImmMemTables(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                   ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:495:59: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   495 |                                                  Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                  ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleNumDeletesActiveMemTable(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:501:77: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   501 | bool InternalStats::HandleNumDeletesActiveMemTable(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                     ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:502:61: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   502 |                                                    Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleNumDeletesImmMemTables(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:508:75: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   508 | bool InternalStats::HandleNumDeletesImmMemTables(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                   ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:509:59: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   509 |                                                  Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                  ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleEstimateNumKeys(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:515:68: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   515 | bool InternalStats::HandleEstimateNumKeys(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:516:52: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   516 |                                           Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleNumSnapshots(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:530:49: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   530 |                                        Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleOldestSnapshotTime(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:536:55: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   536 |                                              Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleNumLiveVersions(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:541:68: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   541 | bool InternalStats::HandleNumLiveVersions(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:542:52: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   542 |                                           Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleCurrentSuperVersionNumber(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:547:78: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   547 | bool InternalStats::HandleCurrentSuperVersionNumber(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                      ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:548:62: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   548 |                                                     Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleIsFileDeletionsEnabled(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:554:59: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   554 |                                                  Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                  ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleBaseLevel(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:559:62: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   559 | bool InternalStats::HandleBaseLevel(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:560:46: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   560 |                                     Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleTotalSstFilesSize(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:566:70: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   566 | bool InternalStats::HandleTotalSstFilesSize(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:567:54: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   567 |                                             Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleEstimatePendingCompactionBytes(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:573:66: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   573 |                                                          DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:574:67: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   574 |                                                          Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleEstimateTableReadersMem(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:580:76: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | bool InternalStats::HandleEstimateTableReadersMem(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                    ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'bool rocksdb::InternalStats::HandleEstimateLiveDataSize(uint64_t*, rocksdb::DBImpl*, rocksdb::Version*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:586:73: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   586 | bool InternalStats::HandleEstimateLiveDataSize(uint64_t* value, DBImpl* db,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                 ~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:587:57: warning: unused parameter 'version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   587 |                                                Version* version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc: In member function 'void rocksdb::InternalStats::DumpCFStats(std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.cc:912:35: warning: implicitly-declared 'rocksdb::InternalStats::CompactionStats& rocksdb::InternalStats::CompactionStats::operator=(const rocksdb::InternalStats::CompactionStats&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   912 |   cf_stats_snapshot_.comp_stats = stats_sum;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/internal_stats.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/internal_stats.h:142:14: note: because 'rocksdb::InternalStats::CompactionStats' has user-provided 'rocksdb::InternalStats::CompactionStats::CompactionStats(const rocksdb::InternalStats::CompactionStats&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     explicit CompactionStats(const CompactionStats& c)
[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:                  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/internal_stats.cc:9:
[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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_set.h:22,
[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/internal_stats.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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/memtable.h:20,
[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/internal_stats.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_set.h:22,
[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/internal_stats.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:323:41: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   323 |        : first(std::forward<_U1>(__x)), second(__y) { }
[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/db/log_reader.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/log_reader.cc: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/db/log_reader.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/log_reader.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/db/log_writer.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/log_writer.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/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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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:                  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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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:                  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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  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:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.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/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:                  from rocksdb/db/memtable_list.h:14,
[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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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:                  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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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:                  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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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:                  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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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:                  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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.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/db/table_cache.h:24,
[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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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:                  from rocksdb/db/managed_iterator.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const 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 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: In file included 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:                  from rocksdb/db/managed_iterator.cc:15:
[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:                  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:                  from rocksdb/db/managed_iterator.cc: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: In file included from rocksdb/db/memtable.h:20,
[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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/utility:70,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/tuple:38,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/mutex:38,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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/memtable.h:20,
[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/managed_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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: In file included from /usr/include/c++/11/utility:70,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/tuple:38,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/mutex:38,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/managed_iterator.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:323:41: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   323 |        : first(std::forward<_U1>(__x)), second(__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/util/concurrent_arena.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/util/concurrent_arena.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: rocksdb/util/concurrent_arena.cc:18:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    18 | #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.cc:18:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.cc:18:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.cc:42:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    42 | #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.cc:42:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.cc:42:5: 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/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/concurrent_arena.cc:10:
[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: In file included from rocksdb/util/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/crc32c.cc: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: 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:                  from rocksdb/db/merge_helper.cc:6:
[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:                  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:                  from rocksdb/db/merge_helper.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/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:                  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:                  from rocksdb/db/merge_helper.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  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:                  from rocksdb/db/merge_helper.cc:6:
[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:                  from rocksdb/db/merge_helper.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.cc:6:
[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:                  from rocksdb/db/merge_helper.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.cc:6:
[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:                  from rocksdb/db/merge_helper.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.cc:6:
[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:                  from rocksdb/db/merge_helper.cc:6:
[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:                  from rocksdb/db/merge_helper.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.cc:6:
[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:                  from rocksdb/db/merge_helper.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.cc:6:
[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:                  from rocksdb/db/range_del_aggregator.h:19,
[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/merge_helper.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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:                  from rocksdb/db/merge_helper.cc:6:
[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/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: 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: In file included from rocksdb/db/range_del_aggregator.h:14,
[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/merge_helper.cc:6:
[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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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/range_del_aggregator.h:14,
[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/merge_helper.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/merge_helper.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:323:41: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   323 |        : first(std::forward<_U1>(__x)), second(__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/db_filesnapshot.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/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/db_filesnapshot.cc:20:
[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:                  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/db_filesnapshot.cc:20:
[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:                  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:                  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/db_filesnapshot.cc:20:
[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:                  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:                  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/db_filesnapshot.cc:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  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:                  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/db_filesnapshot.cc: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/db/dbformat.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:14,
[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/db_filesnapshot.cc:20:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/db_filesnapshot.cc:20:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/db_filesnapshot.cc:20:
[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:                  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/db_filesnapshot.cc: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:                  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/db_filesnapshot.cc:20:
[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:                  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/db_filesnapshot.cc:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_filesnapshot.cc: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/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:                  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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_filesnapshot.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/db/table_cache.h:24,
[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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_filesnapshot.cc:20:
[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:                  from rocksdb/db/db_filesnapshot.cc:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const 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 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: In file included 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:                  from rocksdb/db/db_filesnapshot.cc:20:
[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:                  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:                  from rocksdb/db/db_filesnapshot.cc:20:
[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/db_filesnapshot.cc: In member function 'virtual rocksdb::Status rocksdb::DBImpl::GetLiveFiles(std::vector<std::__cxx11::basic_string<char> >&, uint64_t*, bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_filesnapshot.cc:133:25: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   133 |   for (auto live_file : live) {
[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:                  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/db_filesnapshot.cc:20:
[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_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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/utility:70,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/algorithm:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_filesnapshot.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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/memtable.h:20,
[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/db_filesnapshot.cc:20:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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: In file included from /usr/include/c++/11/utility:70,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/algorithm:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_filesnapshot.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:323:41: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   323 |        : first(std::forward<_U1>(__x)), second(__y) { }
[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/stop_watch.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/perf_step_timer.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/perf_context_imp.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.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: 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/dbformat.cc:9:
[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:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.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/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:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.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:                  from rocksdb/db/dbformat.cc:9:
[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:                  from rocksdb/db/dbformat.cc:9:
[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:                  from rocksdb/db/dbformat.cc:9:
[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/util/stop_watch.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/perf_step_timer.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/perf_context_imp.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.cc:19:
[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: 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/db_impl.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/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/db_impl.cc:9:
[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/db/db_impl.cc:100:
[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: In file included from rocksdb/db/db_impl.cc:100:
[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: In file included from rocksdb/db/db_impl.cc:101:
[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: rocksdb/db/db_impl.cc:6224:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  6224 | #if ROCKSDB_USING_THREAD_STATUS
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:6224:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:6224:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:6224:5: 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:                  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/db_impl.cc:9:
[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:                  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:                  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/db_impl.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/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:                  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:                  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/db_impl.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  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:                  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/db_impl.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:                  from rocksdb/db/memtable_list.h:14,
[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/db_impl.cc:9:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/db_impl.cc:9:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/db_impl.cc:9:
[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:                  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/db_impl.cc:9:
[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:                  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/db_impl.cc:9:
[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:                  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/db_impl.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.cc: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: 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:                  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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.cc:9:
[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:                  from rocksdb/db/column_family.h:18,
[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/db_impl.cc: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/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:                  from rocksdb/db/db_impl.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const 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 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: In file included 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:                  from rocksdb/db/db_impl.cc:9:
[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:                  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:                  from rocksdb/db/db_impl.cc:9:
[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/db_impl.cc:45:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/forward_iterator.h: In member function 'virtual void rocksdb::ForwardIterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/forward_iterator.h:58:33: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    58 |   void SeekForPrev(const Slice& target) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                    ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/db_impl.cc:69:
[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/db_impl.cc:74:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/wal_filter.h: In member function 'virtual void rocksdb::WalFilter::ColumnFamilyLogNumberMap(const std::map<unsigned int, long unsigned int>&, const std::map<std::__cxx11::basic_string<char>, unsigned int>&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/wal_filter.h:47:41: warning: unused parameter 'cf_lognumber_map' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |     const std::map<uint32_t, uint64_t>& cf_lognumber_map,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/wal_filter.h:48:44: warning: unused parameter 'cf_name_id_map' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    48 |     const std::map<std::string, uint32_t>& cf_name_id_map) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/wal_filter.h: In member function 'virtual rocksdb::WalFilter::WalProcessingOption rocksdb::WalFilter::LogRecordFound(long long unsigned int, const string&, const rocksdb::WriteBatch&, rocksdb::WriteBatch*, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/wal_filter.h:78:65: warning: unused parameter 'log_number' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    78 |   virtual WalProcessingOption LogRecordFound(unsigned long long log_number,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/wal_filter.h:79:60: warning: unused parameter 'log_file_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    79 |                                         const std::string& log_file_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/wal_filter.h: In member function 'virtual rocksdb::WalFilter::WalProcessingOption rocksdb::WalFilter::LogRecord(const rocksdb::WriteBatch&, rocksdb::WriteBatch*, bool*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/wal_filter.h:90:59: warning: unused parameter 'batch' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    90 |   virtual WalProcessingOption LogRecord(const WriteBatch& batch,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/wal_filter.h:91:53: warning: unused parameter 'new_batch' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    91 |                                         WriteBatch* new_batch,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/wal_filter.h:92:47: warning: unused parameter 'batch_changed' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    92 |                                         bool* batch_changed) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/block.h:27,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.cc:76:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(rocksdb::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/db_impl.cc:76:
[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/db/db_impl.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/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: rocksdb/db/db_impl.cc: In function 'void rocksdb::DumpMallocStats(std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:598:42: warning: unused parameter 'stats' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   598 | static void DumpMallocStats(std::string* stats) {
[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:                  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/db_impl.cc:9:
[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: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h: In copy constructor 'std::pair<_T1, _T2>::pair(const std::pair<_T1, _T2>&) [with _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:314:17: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   314 |       constexpr pair(const pair&) = default;    ///< Copy constructor
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                 ^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc: In member function 'void rocksdb::DBImpl::NotifyOnCompactionCompleted(rocksdb::ColumnFamilyData*, rocksdb::Compaction*, const rocksdb::Status&, const rocksdb::CompactionJobStats&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:2401:21: warning: loop variable 'newf' creates a copy from type 'const std::pair<int, rocksdb::FileMetaData>' [-Wrange-loop-construct]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  2401 |     for (const auto newf : c->edit()->GetNewFiles()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:2401:21: note: use reference type to prevent copying
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  2401 |     for (const auto newf : c->edit()->GetNewFiles()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     &
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc: In member function 'int rocksdb::DBImpl::FindMinimumEmptyLevelFitting(rocksdb::ColumnFamilyData*, const rocksdb::MutableCFOptions&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:2552:29: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  2552 |     const MutableCFOptions& mutable_cf_options, int level) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc: In member function 'virtual int rocksdb::DBImpl::MaxMemCompactionLevel(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:2657:55: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  2657 | int DBImpl::MaxMemCompactionLevel(ColumnFamilyHandle* column_family) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc: In function 'void rocksdb::{anonymous}::CleanupIteratorState(void*, void*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:3816:52: warning: unused parameter 'arg2' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  3816 | static void CleanupIteratorState(void* arg1, void* arg2) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc: In member function 'void rocksdb::DBImpl::NotifyOnMemTableSealed(rocksdb::ColumnFamilyData*, const rocksdb::MemTableInfo&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:5051:55: warning: unused parameter 'cfd' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  5051 | void DBImpl::NotifyOnMemTableSealed(ColumnFamilyData* cfd,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc: In member function 'virtual rocksdb::Status rocksdb::DB::CreateColumnFamily(const rocksdb::ColumnFamilyOptions&, const string&, rocksdb::ColumnFamilyHandle**)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:5794:58: warning: unused parameter 'cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  5794 | Status DB::CreateColumnFamily(const ColumnFamilyOptions& cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:5795:50: warning: unused parameter 'column_family_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  5795 |                               const std::string& column_family_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:5796:52: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  5796 |                               ColumnFamilyHandle** handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc: In member function 'virtual rocksdb::Status rocksdb::DB::DropColumnFamily(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl.cc:5799:49: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  5799 | Status DB::DropColumnFamily(ColumnFamilyHandle* column_family) {
[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:                  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/db_impl.cc:9:
[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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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: In file included 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/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:                  from rocksdb/db/memtable.cc:10:
[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:                  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:                  from rocksdb/db/memtable.cc: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/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:                  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:                  from rocksdb/db/memtable.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 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  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:                  from rocksdb/db/memtable.cc:10:
[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:                  from rocksdb/db/memtable.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.cc:10:
[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:                  from rocksdb/db/memtable.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.cc:10:
[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:                  from rocksdb/db/memtable.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.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/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.cc:10:
[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:                  from rocksdb/db/memtable.cc:10:
[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:                  from rocksdb/db/memtable.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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:                  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/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:                  from rocksdb/db/memtable.cc:18:
[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: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.cc:10:
[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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:323:41: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   323 |        : first(std::forward<_U1>(__x)), second(__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: 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/memtable_list.cc:6:
[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: In file included 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_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: In file included from rocksdb/db/memtable_list.cc:23:
[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:                  from rocksdb/db/memtable_list.cc:6:
[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:                  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:                  from rocksdb/db/memtable_list.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/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:                  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:                  from rocksdb/db/memtable_list.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  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:                  from rocksdb/db/memtable_list.cc:6:
[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:                  from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.cc:6:
[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:                  from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.cc:6:
[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:                  from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.cc:6:
[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:                  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/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:                  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/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:                  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/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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:                  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/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:                  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/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/memtable_list.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const 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 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: In file included from rocksdb/db/memtable_list.cc:15:
[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: In file included from rocksdb/db/memtable.h:20,
[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/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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/bits/char_traits.h:39,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/string:40,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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/memtable.h:20,
[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/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/bits/char_traits.h:39,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/string:40,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:323:41: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   323 |        : first(std::forward<_U1>(__x)), second(__y) { }
[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/utilities/document/json_document.cc:28:
[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/utilities/env_mirror.h:26,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/env_mirror.cc:11:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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/utilities/env_registry.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/env_registry.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/option_change_migration.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/option_change_migration/option_change_migration.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/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/option_change_migration/option_change_migration.cc:9:
[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:                  from rocksdb/utilities/option_change_migration/option_change_migration.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  from rocksdb/utilities/option_change_migration/option_change_migration.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/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:8:
[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:                  from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:8:
[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:                  from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:8:
[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/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/util/options_helper.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_parser.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:12:
[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/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_helper.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_parser.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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_factory.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_parser.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:12:
[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:                  from rocksdb/table/block_based_table_factory.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_parser.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.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/utilities/persistent_cache/persistent_cache_tier.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/persistent_cache_tier.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  from rocksdb/utilities/persistent_cache/persistent_cache_tier.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/persistent_cache_tier.cc:8:
[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/utilities/persistent_cache/persistent_cache_tier.cc: In member function 'virtual bool rocksdb::PersistentCacheTier::Reserve(size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_tier.cc:31:48: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    31 | bool PersistentCacheTier::Reserve(const size_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_tier.cc: In member function 'virtual bool rocksdb::PersistentCacheTier::Erase(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_tier.cc:36:46: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    36 | bool PersistentCacheTier::Erase(const Slice& key) {
[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/utilities/persistent_cache/volatile_tier_impl.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:8:
[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/utilities/persistent_cache/hash_table.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/volatile_tier_impl.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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/utilities/persistent_cache/volatile_tier_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:78:23: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    78 |   T* Evict(const std::function<void(T*)>& fn = nullptr) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:13:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    12 | #include "utilities/persistent_cache/lrulist.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    13 | 
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:78:31: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    78 |   T* Evict(const std::function<void(T*)>& fn = nullptr) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h: In member function 'T* rocksdb::EvictableHashTable<T, Hash, Equal>::Evict(int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:99:13: error: 'fn' was not declared in this scope; did you mean 'yn'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    99 |         if (fn) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             yn
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/volatile_tier_impl.cc: In member function 'virtual bool rocksdb::VolatileCacheTier::Erase(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:126:44: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   126 | bool VolatileCacheTier::Erase(const Slice& key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/volatile_tier_impl.cc: In member function 'bool rocksdb::VolatileCacheTier::Evict()':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:132:34: error: no matching function for call to 'rocksdb::EvictableHashTable<rocksdb::VolatileCacheTier::CacheData, rocksdb::VolatileCacheTier::CacheDataHash, rocksdb::VolatileCacheTier::CacheDataEqual>::Evict()'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   132 |   CacheData* edata = index_.Evict();
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                      ~~~~~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/volatile_tier_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:78:6: note: candidate: 'T* rocksdb::EvictableHashTable<T, Hash, Equal>::Evict(int) [with T = rocksdb::VolatileCacheTier::CacheData; Hash = rocksdb::VolatileCacheTier::CacheDataHash; Equal = rocksdb::VolatileCacheTier::CacheDataEqual]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    78 |   T* Evict(const std::function<void(T*)>& fn = nullptr) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |      ^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:78:6: note:   candidate expects 1 argument, 0 provided
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/block_cache_tier_file.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  from rocksdb/utilities/persistent_cache/persistent_cache_tier.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_file.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_file.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/utilities/persistent_cache/block_cache_tier_file.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:80:33: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    80 |                      const std::function<void()> callback) = 0;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:24:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    23 | #include "util/crc32c.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    24 | #include "util/mutexlock.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:80:41: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    80 |                      const std::function<void()> callback) = 0;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Append(const rocksdb::Slice&, const rocksdb::Slice&, rocksdb::LBA*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:36: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:54: warning: unused parameter 'val' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:70: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Read(const LBA&, rocksdb::Slice*, rocksdb::Slice*, char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:32: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:44: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:56: warning: unused parameter 'block' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:69: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:53: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:48: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:61: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:269:10: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   269 |     std::function<void()> callback_;         // Callback on completion
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |          ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:269:5: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   269 |     std::function<void()> callback_;         // Callback on completion
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:25: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:20: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                    ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:33: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In constructor 'rocksdb::ThreadedWriter::IO::IO(rocksdb::WritableFile*, rocksdb::CacheWriteBuffer*, uint64_t, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:259:56: error: class 'rocksdb::ThreadedWriter::IO' does not have any field named 'callback_'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   259 |         : file_(file), buf_(buf), file_off_(file_off), callback_(callback) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:259:66: error: 'callback' was not declared in this scope; did you mean 'calloc'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   259 |         : file_(file), buf_(buf), file_off_(file_off), callback_(callback) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                  ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                  calloc
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: In member function 'bool rocksdb::RandomAccessCacheFile::OpenImpl(bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:199:49: warning: unused parameter 'enable_direct_reads' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   199 | bool RandomAccessCacheFile::OpenImpl(const bool enable_direct_reads) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: In member function 'bool rocksdb::WriteableCacheFile::Create(bool, bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:270:44: warning: unused parameter 'enable_direct_writes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   270 | bool WriteableCacheFile::Create(const bool enable_direct_writes,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: In member function 'void rocksdb::WriteableCacheFile::DispatchBuffer()':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:399:23: error: 'bind' is not a member of 'std'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   399 |                  std::bind(&WriteableCacheFile::BufferWriteDone, this));
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:11:1: note: 'std::bind' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    10 | #include <unistd.h>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    11 | #endif
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:538:39: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   538 |                            const std::function<void()> callback) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:538:34: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   538 |                            const std::function<void()> callback) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:538:47: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   538 |                            const std::function<void()> callback) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: In member function 'virtual void rocksdb::ThreadedWriter::Write(rocksdb::WritableFile*, rocksdb::CacheWriteBuffer*, uint64_t, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:539:35: error: 'callback' was not declared in this scope; did you mean 'calloc'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   539 |   q_.Push(IO(file, buf, file_off, callback));
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   calloc
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: In member function 'void rocksdb::ThreadedWriter::ThreadMain()':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:561:8: error: 'struct rocksdb::ThreadedWriter::IO' has no member named 'callback_'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   561 |     io.callback_();
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/block_cache_tier_file.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h: In instantiation of 'T rocksdb::BoundedQueue<T>::Pop() [with T = rocksdb::ThreadedWriter::IO]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:545:17:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h:51:23: warning: moving a local object in a return statement prevents copy elision [-Wpessimizing-move]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    51 |     return std::move(t);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h:51:23: note: remove 'std::move' call
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/block_cache_tier_file.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_metadata.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_metadata.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  from rocksdb/utilities/persistent_cache/persistent_cache_tier.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_file.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_metadata.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_metadata.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/utilities/persistent_cache/block_cache_tier_metadata.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_metadata.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Append(const rocksdb::Slice&, const rocksdb::Slice&, rocksdb::LBA*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:36: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:54: warning: unused parameter 'val' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:70: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Read(const LBA&, rocksdb::Slice*, rocksdb::Slice*, char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:32: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:44: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:56: warning: unused parameter 'block' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:69: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[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/stop_watch.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.cc:13:
[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/utilities/persistent_cache/block_cache_tier.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.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/persistent_cache.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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/utilities/persistent_cache/block_cache_tier.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:80:33: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    80 |                      const std::function<void()> callback) = 0;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:24:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    23 | #include "util/crc32c.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    24 | #include "util/mutexlock.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:80:41: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    80 |                      const std::function<void()> callback) = 0;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Append(const rocksdb::Slice&, const rocksdb::Slice&, rocksdb::LBA*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:36: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:54: warning: unused parameter 'val' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:70: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Read(const LBA&, rocksdb::Slice*, rocksdb::Slice*, char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:32: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:44: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:56: warning: unused parameter 'block' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:69: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:53: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:48: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:61: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:269:10: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   269 |     std::function<void()> callback_;         // Callback on completion
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |          ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:269:5: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   269 |     std::function<void()> callback_;         // Callback on completion
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:25: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:20: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                    ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:33: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In constructor 'rocksdb::ThreadedWriter::IO::IO(rocksdb::WritableFile*, rocksdb::CacheWriteBuffer*, uint64_t, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:259:56: error: class 'rocksdb::ThreadedWriter::IO' does not have any field named 'callback_'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   259 |         : file_(file), buf_(buf), file_off_(file_off), callback_(callback) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:259:66: error: 'callback' was not declared in this scope; did you mean 'calloc'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   259 |         : file_(file), buf_(buf), file_off_(file_off), callback_(callback) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                  ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                  calloc
[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/utilities/persistent_cache/block_cache_tier.h:30,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.cc:7:
[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/utilities/persistent_cache/block_cache_tier_file.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h: In instantiation of 'T rocksdb::BoundedQueue<T>::Pop() [with T = rocksdb::BlockCacheTier::InsertOp]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier.cc:174:32:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h:51:23: warning: moving a local object in a return statement prevents copy elision [-Wpessimizing-move]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    51 |     return std::move(t);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h:51:23: note: remove 'std::move' call
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/flashcache/flashcache.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/flashcache/flashcache.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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: rocksdb/utilities/flashcache/flashcache.cc: In member function 'virtual int rocksdb::FlashcacheAwareEnv::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/flashcache/flashcache.cc:88:24: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   int UnSchedule(void* arg, Priority pri) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                  ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/flashcache/flashcache.cc:88:38: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   int UnSchedule(void* arg, Priority pri) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/flashcache/flashcache.cc: In member function 'virtual void rocksdb::FlashcacheAwareEnv::Schedule(void (*)(void*), void*, rocksdb::Env::Priority, void*, void (*)(void*))':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/flashcache/flashcache.cc:94:45: warning: unused parameter 'u' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |                 void* tag = nullptr, void (*u)(void* arg) = 0) override {
[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/stop_watch.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/perf_step_timer.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/iostats_context_imp.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/posix_logger.h:27,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/port/util_logger.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.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/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/auto_roll_logger.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.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/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:                  from rocksdb/db/auto_roll_logger.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.cc:6:
[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/posix_logger.h:26,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/port/util_logger.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:7,
[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/util/perf_step_timer.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/iostats_context_imp.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/posix_logger.h:27,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/port/util_logger.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.cc:6:
[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/util/stop_watch.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/perf_step_timer.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/iostats_context_imp.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/posix_logger.h:27,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/port/util_logger.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.cc:6:
[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: 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/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/builder.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: 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/version_set.h:31,
[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/builder.cc:16:
[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/builder.cc:34:
[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: In file included from rocksdb/util/thread_status_util.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/builder.cc:34:
[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: In file included from rocksdb/db/builder.cc:34:
[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/db/builder.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/builder.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/db/builder.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/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 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  from rocksdb/db/builder.cc: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/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:                  from rocksdb/db/builder.cc:10:
[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/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:                  from rocksdb/db/builder.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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:                  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/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/builder.cc:16:
[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/db/memtable_list.h:14,
[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/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/builder.cc: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:                  from rocksdb/db/memtable_list.h:14,
[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/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/builder.cc:16:
[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:                  from rocksdb/db/memtable_list.h:14,
[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/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/builder.cc: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/db/memtable.h:20,
[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/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/builder.cc:16:
[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:                  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/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/builder.cc:16:
[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:                  from rocksdb/db/version_set.h:31,
[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/builder.cc:16:
[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:                  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/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/builder.cc:16:
[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/builder.cc:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const 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 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: In file included 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/builder.cc:16:
[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:                  from rocksdb/db/builder.cc: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.h:20,
[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/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/builder.cc:16:
[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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/bits/char_traits.h:39,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/string:40,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/builder.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/builder.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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/memtable.h:20,
[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/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/builder.cc:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/bits/char_traits.h:39,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/string:40,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/builder.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/builder.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:323:41: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   323 |        : first(std::forward<_U1>(__x)), second(__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 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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/merge_operator.cc:10:
[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/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: 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/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/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:                  from rocksdb/db/repair.cc:68:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  from rocksdb/db/repair.cc:68:
[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:                  from rocksdb/db/repair.cc:68:
[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/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:                  from rocksdb/db/repair.cc:68:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::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 rocksdb::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 rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::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 rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::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 rocksdb::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:                  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/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/db/memtable_list.h:14,
[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/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:                  from rocksdb/db/memtable_list.h:14,
[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/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:                  from rocksdb/db/memtable_list.h:14,
[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/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:                  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/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:                  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/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:                  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/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:                  from rocksdb/db/column_family.h:18,
[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/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:                  from rocksdb/db/repair.cc:69:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const 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 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: In file included 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:                  from rocksdb/db/repair.cc:69:
[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:                  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:                  from rocksdb/db/repair.cc:69:
[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.h:20,
[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/db/version_edit.h: In instantiation of 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = rocksdb::{anonymous}::Repairer::TableInfo; _Args = {const rocksdb::{anonymous}::Repairer::TableInfo&}; _Tp = rocksdb::{anonymous}::Repairer::TableInfo; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<rocksdb::{anonymous}::Repairer::TableInfo>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_vector.h:1192:30:   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>; std::vector<_Tp, _Alloc>::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++/11/bits/c++allocator.h:33,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/bits/allocator.h:46,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/string:41,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/builder.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/repair.cc:68:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:11: note: synthesized method 'rocksdb::{anonymous}::Repairer::TableInfo::TableInfo(const rocksdb::{anonymous}::Repairer::TableInfo&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   162 |         { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); }
[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:                  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/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++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::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++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_CharT> >::construct(std::allocator_traits<std::allocator<_CharT> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   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++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/bits/char_traits.h:39,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/string:40,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/builder.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/repair.cc:68:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : 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/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.cc: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/db.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.cc:25:
[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:                  from rocksdb/utilities/redis/redis_lists.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.cc:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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:                  from rocksdb/utilities/redis/redis_lists.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.cc: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/utilities/redis/redis_lists.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.cc:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/redis/redis_list_iterator.h: In member function 'void rocksdb::RedisListIterator::ThrowError(const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/redis/redis_list_iterator.h:291:37: warning: unused parameter 'msg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   void ThrowError(const char* const msg = NULL) {
[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/utilities/simulator_cache/sim_cache.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/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/sim_cache.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/simulator_cache/sim_cache.cc:6:
[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/utilities/simulator_cache/sim_cache.cc:9:
[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/utilities/simulator_cache/sim_cache.cc: In lambda function:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/simulator_cache/sim_cache.cc:46:47: warning: unused parameter 'k' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |                               [](const Slice& k, void* v) {}, nullptr,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/simulator_cache/sim_cache.cc:46:56: warning: unused parameter 'v' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |                               [](const Slice& k, void* v) {}, nullptr,
[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/include/rocksdb/utilities/spatial_db.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/spatialdb/spatial_db.cc:8:
[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:                  from rocksdb/include/rocksdb/utilities/spatial_db.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/spatialdb/spatial_db.cc:8:
[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:                  from rocksdb/include/rocksdb/utilities/spatial_db.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/spatialdb/spatial_db.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const 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 string&, const 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*, rocksdb::Env::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(rocksdb::Env::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(rocksdb::Env::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(rocksdb::RandomAccessFile::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':
[WARN] too many lines in the log, truncating it
