[INFO] fetching crate rusticsearch 0.0.2...
[INFO] testing rusticsearch-0.0.2 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate rusticsearch 0.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate rusticsearch 0.0.2 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "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: v0.10.6)
[INFO] [stderr]       Adding router v0.2.0 (available: v0.6.0)
[INFO] [stderr]       Adding serde_json v0.9.10 (available: v1.0.132)
[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: v2.5.2)
[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" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-0-tc1/source/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iron v0.4.0
[INFO] [stderr]   Downloaded ansi_term v0.7.5
[INFO] [stderr]   Downloaded make-cmd v0.1.0
[INFO] [stderr]   Downloaded persistent v0.2.1
[INFO] [stderr]   Downloaded maplit v0.1.6
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded slog-term v0.6.0
[INFO] [stderr]   Downloaded kite v0.1.0
[INFO] [stderr]   Downloaded router v0.2.0
[INFO] [stderr]   Downloaded rocksdb v0.6.1
[INFO] [stderr]   Downloaded atomicwrites v0.1.5
[INFO] [stderr]   Downloaded slog v0.6.0
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.3
[INFO] [stderr]   Downloaded kite_rocksdb v0.1.0
[INFO] [stderr]   Downloaded error-chain v0.2.2
[INFO] [stderr]   Downloaded roaring v0.4.2
[INFO] [stderr]   Downloaded librocksdb-sys v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 565c60cdd254146f170e444b1d551f80fea58c03445443c54dfc10679db9e1fc
[INFO] running `Command { std: "docker" "start" "-a" "565c60cdd254146f170e444b1d551f80fea58c03445443c54dfc10679db9e1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "565c60cdd254146f170e444b1d551f80fea58c03445443c54dfc10679db9e1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565c60cdd254146f170e444b1d551f80fea58c03445443c54dfc10679db9e1fc", kill_on_drop: false }`
[INFO] [stdout] 565c60cdd254146f170e444b1d551f80fea58c03445443c54dfc10679db9e1fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fcf7b71d5fc5b645e17c7036f7c127381c0746251a9ab6a3e6229b1efb3d6dc
[INFO] running `Command { std: "docker" "start" "-a" "3fcf7b71d5fc5b645e17c7036f7c127381c0746251a9ab6a3e6229b1efb3d6dc", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling unicode-bidi v0.3.17
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling cc v1.1.31
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling make-cmd v0.1.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling traitobject v0.0.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling error v0.1.9
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[INFO] [stderr]    Compiling hpack v0.2.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling solicit v0.4.4
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling route-recognizer v0.1.13
[INFO] [stderr]    Compiling ansi_term v0.7.5
[INFO] [stderr]    Compiling maplit v0.1.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling uuid v0.3.1
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling error-chain v0.2.2
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling cookie v0.2.5
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling roaring v0.4.2
[INFO] [stderr]    Compiling hyper v0.9.18
[INFO] [stderr]    Compiling atomicwrites v0.1.5
[INFO] [stderr]    Compiling librocksdb-sys v0.4.1
[INFO] [stderr]    Compiling slog v0.6.0
[INFO] [stderr]    Compiling kite v0.1.0
[INFO] [stderr]    Compiling slog-term v0.6.0
[INFO] [stderr]    Compiling iron v0.4.0
[INFO] [stderr]    Compiling persistent v0.2.1
[INFO] [stderr]    Compiling router v0.2.0
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/sst_file_manager_impl.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/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/statistics.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/util/statistics.h:7,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/statistics.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/statistics.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: rocksdb/util/statistics.cc: In member function 'virtual uint64_t rocksdb::StatisticsImpl::getTickerCount(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:41:42: error: invalid user-defined conversion from 'rocksdb::StatisticsImpl::getTickerCount(uint32_t) const::<lambda(void*, void*)>' to 'int' [-fpermissive]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    41 |   tickers_[tickerType].thread_value->Fold(
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    42 |       [](void* curr_ptr, void* res) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    43 |         auto* sum_ptr = static_cast<uint64_t*>(res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    44 |         *sum_ptr += static_cast<std::atomic_uint_fast64_t*>(curr_ptr)->load(
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    45 |             std::memory_order_relaxed);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~   
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       },
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~                                  
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |       &thread_local_sum);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~                  
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:42:7: note: candidate is: 'rocksdb::StatisticsImpl::getTickerCount(uint32_t) const::<lambda(void*, void*)>::operator void (*)(void*, void*)() const' (near match)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    42 |       [](void* curr_ptr, void* res) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:42:7: note:   no known conversion from 'void (*)(void*, void*)' to 'int'
[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/statistics.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:22: note:   initializing argument 1 of 'void rocksdb::ThreadLocalPtr::Fold(int, void*)'
[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/statistics.cc: In member function 'std::unique_ptr<rocksdb::HistogramImpl> rocksdb::StatisticsImpl::HistogramInfo::getMergedHistogram() const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:57:21: error: invalid user-defined conversion from 'rocksdb::StatisticsImpl::HistogramInfo::getMergedHistogram() const::<lambda(void*, void*)>' to 'int' [-fpermissive]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    57 |   thread_value->Fold(
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~~~~~~~~~~~~~~^
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    58 |       [](void* curr_ptr, void* res) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    59 |         auto tmp_res_hist = static_cast<HistogramImpl*>(res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    60 |         auto curr_hist = static_cast<HistogramImpl*>(curr_ptr);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    61 |         tmp_res_hist->Merge(*curr_hist);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    62 |       },
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~             
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    63 |       res_hist.get());
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:58:7: note: candidate is: 'rocksdb::StatisticsImpl::HistogramInfo::getMergedHistogram() const::<lambda(void*, void*)>::operator void (*)(void*, void*)() const' (near match)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    58 |       [](void* curr_ptr, void* res) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:58:7: note:   no known conversion from 'void (*)(void*, void*)' to 'int'
[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/statistics.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:22: note:   initializing argument 1 of 'void rocksdb::ThreadLocalPtr::Fold(int, void*)'
[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/statistics.cc: In lambda function:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:113:36: warning: unused parameter 'res' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   113 |           [](void* curr_ptr, void* res) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc: In member function 'virtual void rocksdb::StatisticsImpl::setTickerCount(uint32_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:112:46: error: invalid user-defined conversion from 'rocksdb::StatisticsImpl::setTickerCount(uint32_t, uint64_t)::<lambda(void*, void*)>' to 'int' [-fpermissive]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   112 |       tickers_[tickerType].thread_value->Fold(
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   113 |           [](void* curr_ptr, void* res) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   114 |             static_cast<std::atomic<uint64_t>*>(curr_ptr)->store(
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   115 |                 0, std::memory_order_relaxed);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   116 |           },
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |           ~~                                  
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   117 |           nullptr /* res */);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |           ~~~~~~~~~~~~~~~~~~                  
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:113:11: note: candidate is: 'rocksdb::StatisticsImpl::setTickerCount(uint32_t, uint64_t)::<lambda(void*, void*)>::operator void (*)(void*, void*)() const' (near match)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   113 |           [](void* curr_ptr, void* res) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |           ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:113:11: note:   no known conversion from 'void (*)(void*, void*)' to 'int'
[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/statistics.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:22: note:   initializing argument 1 of 'void rocksdb::ThreadLocalPtr::Fold(int, void*)'
[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/statistics.cc: In member function 'virtual uint64_t rocksdb::StatisticsImpl::getAndResetTickerCount(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:133:46: error: invalid user-defined conversion from 'rocksdb::StatisticsImpl::getAndResetTickerCount(uint32_t)::<lambda(void*, void*)>' to 'int' [-fpermissive]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   133 |       tickers_[tickerType].thread_value->Fold(
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |           [](void* curr_ptr, void* res) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~     
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   135 |             auto* sum_ptr = static_cast<uint64_t*>(res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   136 |             *sum_ptr += static_cast<std::atomic<uint64_t>*>(curr_ptr)->exchange(
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   137 |                 0, std::memory_order_relaxed);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   138 |           },
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |           ~~                                  
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   139 |           &sum);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |           ~~~~~                               
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:134:11: note: candidate is: 'rocksdb::StatisticsImpl::getAndResetTickerCount(uint32_t)::<lambda(void*, void*)>::operator void (*)(void*, void*)() const' (near match)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |           [](void* curr_ptr, void* res) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |           ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/statistics.cc:134:11: note:   no known conversion from 'void (*)(void*, void*)' to 'int'
[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/statistics.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:22: note:   initializing argument 1 of 'void rocksdb::ThreadLocalPtr::Fold(int, void*)'
[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: In file included from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/db_options.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/db_options.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/db_options.cc:15:
[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/db_options.cc:16:
[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/db_options.cc:18:
[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/util/delete_scheduler.cc:12:
[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: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/env_posix.cc:45:
[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/thread_status_updater.h:42,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/env_posix.cc:52:
[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/env_posix.cc:52:
[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/util/threadpool_imp.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/env_posix.cc:53:
[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/util/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/env_posix.cc:43:
[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/io_posix.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/env_posix.cc:44:
[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/env_posix.cc:44:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h: In member function 'virtual void rocksdb::PosixDirectIORandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h:102:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual void Hint(AccessPattern pattern) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h: In member function 'virtual rocksdb::Status rocksdb::PosixDirectIORandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h:103:33: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   103 |   Status InvalidateCache(size_t offset, size_t length) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h:103:48: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   103 |   Status InvalidateCache(size_t offset, size_t length) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h: In member function 'virtual rocksdb::Status rocksdb::PosixWritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h:125:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   125 |   virtual Status Truncate(uint64_t size) override { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h: In member function 'virtual rocksdb::Status rocksdb::PosixDirectIOWritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h:152:33: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   152 |   Status InvalidateCache(size_t offset, size_t length) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h:152:48: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   152 |   Status InvalidateCache(size_t offset, size_t length) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h: In member function 'virtual rocksdb::Status rocksdb::PosixMmapFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.h:209:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   209 |   virtual Status Truncate(uint64_t size) override { return Status::OK(); }
[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/env_posix.cc:45:
[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/env_posix.cc:45:
[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/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/thread_status_util.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/threadpool_imp.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/env_posix.cc:53:
[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/util/thread_status_util.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/threadpool_imp.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/env_posix.cc:53:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/env_posix.cc: In member function 'bool rocksdb::{anonymous}::PosixEnv::SupportsFastAllocate(const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/env_posix.cc:740:48: warning: unused parameter 'path' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   740 |   bool SupportsFastAllocate(const std::string& path) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/event_logger.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/event_logger.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/util/file_util.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/file_util.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/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/db_options.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/file_util.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/file_util.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/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/rate_limiter.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/rate_limiter.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/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/sharded_cache.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/sharded_cache.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: rocksdb/util/sharded_cache.cc: In member function 'virtual rocksdb::Cache::Handle* rocksdb::ShardedCache::Lookup(const rocksdb::Slice&, rocksdb::Statistics*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/sharded_cache.cc:49:67: warning: unused parameter 'stats' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    49 | Cache::Handle* ShardedCache::Lookup(const Slice& key, Statistics* stats) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/slice.cc:11:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/slice.cc: In member function 'virtual bool rocksdb::{anonymous}::CappedPrefixTransform::InDomain(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/slice.cc:77:38: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual bool InDomain(const Slice& src) const override { return true; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/slice.cc: In member function 'virtual bool rocksdb::{anonymous}::NoopTransform::InDomain(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/slice.cc:96:38: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    96 |   virtual bool InDomain(const Slice& src) const override { return true; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/slice.cc: In member function 'virtual bool rocksdb::{anonymous}::NoopTransform::InRange(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/slice.cc:98:37: warning: unused parameter 'dst' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    98 |   virtual bool InRange(const Slice& dst) const override { return true; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/slice.cc: In member function 'virtual bool rocksdb::{anonymous}::NoopTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/slice.cc:100:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   100 |   virtual bool SameResultWhenAppended(const Slice& prefix) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[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_updater_debug.cc:8:
[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_updater_debug.cc:8:
[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/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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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/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/util/thread_status_updater_debug.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<_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/util/thread_status_updater_debug.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/util/thread_status_updater_debug.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<_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/util/thread_status_updater_debug.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/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/util/thread_status_util.cc:6:
[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/util/thread_status_util.cc:6:
[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/util/thread_status_util.cc:6:
[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/util/thread_status_util.cc:14:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    14 | #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.cc:14:5: 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.cc:14:5: 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.cc:14:5: 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/util/thread_status_util.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/thread_status_util.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/util/thread_status_util.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/thread_status_util.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/util/thread_status_util.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/thread_status_util.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/util/thread_status_util.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/thread_status_util.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/thread_status_updater.h:42,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/thread_status_util_debug.cc:9:
[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_debug.cc:9:
[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/util/thread_status_util_debug.cc:10:
[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/util/thread_status_util_debug.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/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/thread_status_util.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/thread_status_util_debug.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/util/thread_status_util.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/thread_status_util_debug.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/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/util/thread_status_util.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/thread_status_util_debug.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/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_helper.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_helper.cc:5:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_helper.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_helper.cc:5:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/table.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_helper.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_helper.cc:5:
[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/table.h:25,
[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_helper.cc:5:
[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/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/util/options_helper.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_helper.cc:5:
[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/util/options_helper.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_helper.cc:5:
[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/util/options_helper.cc:13:
[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/options_helper.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/options_helper.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/util/options_helper.cc:17:
[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/options_helper.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/util/options_helper.cc:23:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/plain_table_factory.h: In member function 'virtual rocksdb::Status rocksdb::PlainTableFactory::SanitizeOptions(const rocksdb::DBOptions&, const rocksdb::ColumnFamilyOptions&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/plain_table_factory.h:166:43: warning: unused parameter 'db_opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   166 |   Status SanitizeOptions(const DBOptions& db_opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/plain_table_factory.h:167:53: warning: unused parameter 'cf_opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   167 |                          const ColumnFamilyOptions& cf_opts) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/options_parser.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_parser.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/util/options_parser.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_parser.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/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/util/options_parser.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/include/rocksdb/table.h:25,
[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/util/options_parser.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/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/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/util/options_parser.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/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/util/options_parser.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/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/util/options_parser.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/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/util/options_parser.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: rocksdb/util/options_parser.cc: In member function 'rocksdb::Status rocksdb::RocksDBOptionsParser::EndSection(rocksdb::OptionSection, const string&, const string&, const std::unordered_map<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> >&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/options_parser.cc:431:21: warning: loop variable 'pair' creates a copy from type 'const std::pair<const std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> >' [-Wrange-loop-construct]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   431 |     for (const auto pair : opt_map) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/options_parser.cc:431:21: note: use reference type to prevent copying
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   431 |     for (const auto pair : opt_map) {
[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/util/options_parser.cc: In static member function 'static rocksdb::Status rocksdb::RocksDBOptionsParser::VerifyDBOptions(const rocksdb::DBOptions&, const rocksdb::DBOptions&, const std::unordered_map<std::__cxx11::basic_string<char>, std::__cxx11::basic_string<char> >*, rocksdb::OptionsSanityCheckLevel)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/options_parser.cc:677:57: warning: unused parameter 'opt_map' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   677 |     const std::unordered_map<std::string, std::string>* opt_map,
[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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/compaction.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/db/compaction_picker.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: rocksdb/db/compaction_picker.cc: In member function 'rocksdb::Status rocksdb::CompactionPicker::GetCompactionInputsFromFileNumbers(std::vector<rocksdb::CompactionInputFiles>*, std::unordered_set<long unsigned int>*, const rocksdb::VersionStorageInfo*, const rocksdb::CompactionOptions&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.cc:358:30: warning: unused parameter 'compact_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |     const CompactionOptions& compact_options) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.cc: In member function 'virtual rocksdb::Compaction* rocksdb::LevelCompactionPicker::PickCompaction(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.cc:1017:46: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  1017 |     VersionStorageInfo* vstorage, LogBuffer* log_buffer) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.cc: In member function 'virtual rocksdb::Compaction* rocksdb::FIFOCompactionPicker::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.cc:1958:39: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  1958 |     VersionStorageInfo* vstorage, int input_level, int output_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.cc:1958:56: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  1958 |     VersionStorageInfo* vstorage, int input_level, int output_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.cc:1959:14: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  1959 |     uint32_t output_path_id, 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.cc:1959:49: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  1959 |     uint32_t output_path_id, 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.cc:1959:75: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  1959 |     uint32_t output_path_id, 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.cc:1960:41: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:  1960 |     InternalKey** compaction_end, bool* manual_conflict) {
[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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/memory:63,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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_picker.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/memory:63,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_picker.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/convenience.cc:14:
[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/convenience.cc:14:
[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/include/rocksdb/convenience.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/convenience.cc:12:
[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/convenience.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/convenience.cc:12:
[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/convenience.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/convenience.cc:12:
[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/convenience.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/convenience.cc:12:
[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/include/rocksdb/convenience.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/convenience.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/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/convenience.cc:14:
[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/convenience.cc:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  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/convenience.cc:14:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/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/convenience.cc:14:
[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/convenience.cc:14:
[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/convenience.cc:14:
[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/convenience.cc:14:
[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/convenience.cc:14:
[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/convenience.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/convenience.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/convenience.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: 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/convenience.cc:14:
[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/include/rocksdb/convenience.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/convenience.cc:12:
[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/convenience.cc:14:
[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/include/rocksdb/convenience.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/convenience.cc:12:
[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/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/range_del_aggregator.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.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/range_del_aggregator.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.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/range_del_aggregator.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.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/range_del_aggregator.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.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/range_del_aggregator.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.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/range_del_aggregator.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.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/range_del_aggregator.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.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/range_del_aggregator.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/range_del_aggregator.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/range_del_aggregator.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/range_del_aggregator.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/range_del_aggregator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.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/bits/stl_tree.h:63,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/map:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.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/range_del_aggregator.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/bits/stl_tree.h:63,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/map:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.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/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/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/db_options.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_info_dumper.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_info_dumper.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/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/db_info_dumper.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/db_info_dumper.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/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/db_iter.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/db_iter.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.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/db_iter.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.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/db_iter.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.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/db_iter.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.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/db_iter.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.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/db_iter.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.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/db_iter.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.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/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.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/db_iter.cc:19:
[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/db_iter.cc:19:
[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/db_iter.cc:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/merge_helper.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.cc:19:
[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/db_iter.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: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/db_iter.cc:24:
[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/db_iter.cc:19:
[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/db_iter.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.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/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/db_iter.cc:19:
[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/db_iter.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_iter.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/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/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/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/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/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/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/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.cc:6:
[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/external_sst_file_ingestion_job.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.cc:6:
[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/external_sst_file_ingestion_job.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.cc:6:
[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/external_sst_file_ingestion_job.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h: In member function 'virtual rocksdb::Status rocksdb::SstFileWriterPropertiesCollector::InternalAdd(const rocksdb::Slice&, const rocksdb::Slice&, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h:29:43: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    29 |   virtual Status InternalAdd(const Slice& key, const Slice& value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h:29:61: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    29 |   virtual Status InternalAdd(const Slice& key, const Slice& value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h:30:39: warning: unused parameter 'file_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    30 |                              uint64_t file_size) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::SstFileWriterPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/sst_file_writer_collectors.h:71:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: 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/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/external_sst_file_ingestion_job.h:7,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/external_sst_file_ingestion_job.h:7,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.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/db/external_sst_file_ingestion_job.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/external_sst_file_ingestion_job.h: In instantiation of 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = rocksdb::IngestedFileInfo; _Args = {const rocksdb::IngestedFileInfo&}; _Tp = rocksdb::IngestedFileInfo]':
[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::IngestedFileInfo; _Args = {const rocksdb::IngestedFileInfo&}; _Tp = rocksdb::IngestedFileInfo; std::allocator_traits<std::allocator<_CharT> >::allocator_type = std::allocator<rocksdb::IngestedFileInfo>]'
[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::IngestedFileInfo; _Alloc = std::allocator<rocksdb::IngestedFileInfo>; std::vector<_Tp, _Alloc>::value_type = rocksdb::IngestedFileInfo]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/autovector.h:246:22:   required from 'void rocksdb::autovector<T, kSize>::push_back(const T&) [with T = rocksdb::IngestedFileInfo; long unsigned int kSize = 8]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/external_sst_file_ingestion_job.cc:38:31:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/external_sst_file_ingestion_job.h:23:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    23 | struct IngestedFileInfo {
[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/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.cc:6:
[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/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/external_sst_file_ingestion_job.h:7,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:11: note: synthesized method 'rocksdb::IngestedFileInfo::IngestedFileInfo(const rocksdb::IngestedFileInfo&)' 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/external_sst_file_ingestion_job.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/external_sst_file_ingestion_job.h: In instantiation of 'void std::_Construct(_Tp*, _Args&& ...) [with _Tp = rocksdb::IngestedFileInfo; _Args = {rocksdb::IngestedFileInfo}]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_uninitialized.h:92:18:   required from 'static _ForwardIterator std::__uninitialized_copy<_TrivialValueTypes>::__uninit_copy(_InputIterator, _InputIterator, _ForwardIterator) [with _InputIterator = std::move_iterator<rocksdb::IngestedFileInfo*>; _ForwardIterator = rocksdb::IngestedFileInfo*; bool _TrivialValueTypes = false]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_uninitialized.h:151:15:   required from '_ForwardIterator std::uninitialized_copy(_InputIterator, _InputIterator, _ForwardIterator) [with _InputIterator = std::move_iterator<rocksdb::IngestedFileInfo*>; _ForwardIterator = rocksdb::IngestedFileInfo*]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_uninitialized.h:333:37:   required from '_ForwardIterator std::__uninitialized_copy_a(_InputIterator, _InputIterator, _ForwardIterator, std::allocator<_Tp>&) [with _InputIterator = std::move_iterator<rocksdb::IngestedFileInfo*>; _ForwardIterator = rocksdb::IngestedFileInfo*; _Tp = rocksdb::IngestedFileInfo]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_uninitialized.h:355:2:   required from '_ForwardIterator std::__uninitialized_move_if_noexcept_a(_InputIterator, _InputIterator, _ForwardIterator, _Allocator&) [with _InputIterator = rocksdb::IngestedFileInfo*; _ForwardIterator = rocksdb::IngestedFileInfo*; _Allocator = std::allocator<rocksdb::IngestedFileInfo>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:474:3:   required from 'void std::vector<_Tp, _Alloc>::_M_realloc_insert(std::vector<_Tp, _Alloc>::iterator, _Args&& ...) [with _Args = {const rocksdb::IngestedFileInfo&}; _Tp = rocksdb::IngestedFileInfo; _Alloc = std::allocator<rocksdb::IngestedFileInfo>; std::vector<_Tp, _Alloc>::iterator = std::vector<rocksdb::IngestedFileInfo, std::allocator<rocksdb::IngestedFileInfo> >::iterator]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_vector.h:1198:21:   required from 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = rocksdb::IngestedFileInfo; _Alloc = std::allocator<rocksdb::IngestedFileInfo>; std::vector<_Tp, _Alloc>::value_type = rocksdb::IngestedFileInfo]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/autovector.h:246:22:   required from 'void rocksdb::autovector<T, kSize>::push_back(const T&) [with T = rocksdb::IngestedFileInfo; long unsigned int kSize = 8]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/external_sst_file_ingestion_job.cc:38:31:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/external_sst_file_ingestion_job.h:23:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    23 | struct IngestedFileInfo {
[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/external_sst_file_ingestion_job.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.cc:6:
[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/alloc_traits.h:33,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/ext/alloc_traits.h:34,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/bits/basic_string.h:40,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/string:55,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.h:7,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/external_sst_file_ingestion_job.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_construct.h:119:7: note: synthesized method 'rocksdb::IngestedFileInfo::IngestedFileInfo(rocksdb::IngestedFileInfo&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   119 |       ::new((void*)__p) _Tp(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/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/experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/include/rocksdb/experimental.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/include/rocksdb/experimental.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/include/rocksdb/experimental.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/include/rocksdb/experimental.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/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/experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/experimental.cc:8:
[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/experimental.cc:8:
[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/experimental.cc:8:
[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/experimental.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<_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/memory:63,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/experimental.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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<_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/memory:63,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/experimental.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/experimental.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/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/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/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/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/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/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/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.cc:6:
[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/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/memory:63,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:7,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/event_helpers.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/memory:63,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.h:7,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/event_helpers.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/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_edit.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/file_indexer.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_edit.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/file_indexer.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_edit.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/file_indexer.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/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/version_edit.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/file_indexer.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/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/version_edit.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/file_indexer.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/db/dbformat.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_edit.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/file_indexer.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/version_edit.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/file_indexer.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/file_indexer.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: 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/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/functional:54,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/file_indexer.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/file_indexer.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/file_indexer.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<_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/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/functional:54,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/file_indexer.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/file_indexer.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/env_chroot.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/env_chroot.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/util/env_hdfs.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/util/env_hdfs.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In constructor 'rocksdb::HdfsEnv::HdfsEnv(const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:244:39: warning: unused parameter 'fsname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |   explicit HdfsEnv(const std::string& fsname) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                    ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::NewRandomAccessFile(const string&, std::unique_ptr<rocksdb::RandomAccessFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:257:57: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   257 |   virtual Status NewRandomAccessFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:258:68: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                                      unique_ptr<RandomAccessFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:259:56: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   259 |                                      const EnvOptions& options) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::NewWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:263:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   263 |   virtual Status NewWritableFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:264:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   264 |                                  unique_ptr<WritableFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:265:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   265 |                                  const EnvOptions& options) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::NewDirectory(const string&, std::unique_ptr<rocksdb::Directory>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:269:50: warning: unused parameter 'name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   269 |   virtual Status NewDirectory(const std::string& name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:270:54: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   270 |                               unique_ptr<Directory>* result) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::FileExists(const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:274:48: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   274 |   virtual Status FileExists(const std::string& fname) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::GetChildren(const string&, std::vector<std::__cxx11::basic_string<char> >*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:278:49: warning: unused parameter 'path' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   278 |   virtual Status GetChildren(const std::string& path,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:279:56: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |                              std::vector<std::string>* result) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::DeleteFile(const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:283:48: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   283 |   virtual Status DeleteFile(const std::string& fname) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::CreateDir(const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:287:47: warning: unused parameter 'name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |   virtual Status CreateDir(const std::string& name) override { return notsup; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::CreateDirIfMissing(const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:289:56: warning: unused parameter 'name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |   virtual Status CreateDirIfMissing(const std::string& name) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::DeleteDir(const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:293:47: warning: unused parameter 'name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   293 |   virtual Status DeleteDir(const std::string& name) override { return notsup; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::GetFileSize(const string&, uint64_t*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:295:49: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   295 |   virtual Status GetFileSize(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:296:40: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   296 |                              uint64_t* size) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::GetFileModificationTime(const string&, uint64_t*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:300:61: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual Status GetFileModificationTime(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:301:52: warning: unused parameter 'time' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   301 |                                          uint64_t* time) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::RenameFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:305:48: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   305 |   virtual Status RenameFile(const std::string& src,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:306:48: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   306 |                             const std::string& target) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:310:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   310 |   virtual Status LinkFile(const std::string& src,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:311:46: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   311 |                           const std::string& target) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::LockFile(const string&, rocksdb::FileLock**)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:315:46: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   315 |   virtual Status LockFile(const std::string& fname, FileLock** lock) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:315:64: warning: unused parameter 'lock' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   315 |   virtual Status LockFile(const std::string& fname, FileLock** lock) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::UnlockFile(rocksdb::FileLock*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:319:39: warning: unused parameter 'lock' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   319 |   virtual Status UnlockFile(FileLock* lock) override { return notsup; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::NewLogger(const string&, std::shared_ptr<rocksdb::Logger>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:321:47: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   321 |   virtual Status NewLogger(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:322:48: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   322 |                            shared_ptr<Logger>* result) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual void rocksdb::HdfsEnv::Schedule(void (*)(void*), void*, rocksdb::Env::Priority, void*, void (*)(void*))':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:326:32: warning: unused parameter 'function' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   326 |   virtual void Schedule(void (*function)(void* arg), void* arg,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:326:60: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   326 |   virtual void Schedule(void (*function)(void* arg), void* arg,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:327:34: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   327 |                         Priority pri = LOW, void* tag = nullptr,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:327:51: warning: unused parameter 'tag' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   327 |                         Priority pri = LOW, void* tag = nullptr,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:328:32: warning: unused parameter 'unschedFunction' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   328 |                         void (*unschedFunction)(void* arg) = 0) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual int rocksdb::HdfsEnv::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:330:32: warning: unused parameter 'tag' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   330 |   virtual int UnSchedule(void* tag, Priority pri) override { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:330:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   330 |   virtual int UnSchedule(void* tag, Priority pri) override { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual void rocksdb::HdfsEnv::StartThread(void (*)(void*), void*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:332:35: warning: unused parameter 'function' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   332 |   virtual void StartThread(void (*function)(void* arg), void* arg) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:332:63: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   332 |   virtual void StartThread(void (*function)(void* arg), void* arg) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                         ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual unsigned int rocksdb::HdfsEnv::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:337:16: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   337 |       Priority pri = LOW) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::GetTestDirectory(std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:341:48: warning: unused parameter 'path' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   341 |   virtual Status GetTestDirectory(std::string* path) override { return notsup; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual void rocksdb::HdfsEnv::SleepForMicroseconds(int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:345:41: warning: unused parameter 'micros' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   345 |   virtual void SleepForMicroseconds(int micros) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::GetHostName(char*, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:347:36: warning: unused parameter 'name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |   virtual Status GetHostName(char* name, uint64_t len) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:347:51: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |   virtual Status GetHostName(char* name, uint64_t len) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::GetCurrentTime(int64_t*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:351:42: warning: unused parameter 'unix_time' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual Status GetCurrentTime(int64_t* unix_time) override { return notsup; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::GetAbsolutePath(const string&, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:353:53: warning: unused parameter 'db_path' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |   virtual Status GetAbsolutePath(const std::string& db_path,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:354:47: warning: unused parameter 'outputpath' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |                                  std::string* outputpath) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual void rocksdb::HdfsEnv::SetBackgroundThreads(int, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:358:41: warning: unused parameter 'number' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |   virtual void SetBackgroundThreads(int number, Priority pri = LOW) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:358:58: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |   virtual void SetBackgroundThreads(int number, Priority pri = LOW) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual void rocksdb::HdfsEnv::IncBackgroundThreadsIfNeeded(int, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:359:49: warning: unused parameter 'number' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |   virtual void IncBackgroundThreadsIfNeeded(int number, Priority pri) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:359:66: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |   virtual void IncBackgroundThreadsIfNeeded(int number, Priority pri) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                         ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h: In member function 'virtual std::string rocksdb::HdfsEnv::TimeToString(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/hdfs/env_hdfs.h:361:45: warning: unused parameter 'number' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   361 |   virtual std::string TimeToString(uint64_t number) override { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                    ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/env_hdfs.cc: In member function 'virtual rocksdb::Status rocksdb::HdfsEnv::NewSequentialFile(const string&, std::unique_ptr<rocksdb::SequentialFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/env_hdfs.cc:612:55: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |  Status HdfsEnv::NewSequentialFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                    ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/env_hdfs.cc:613:64: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   613 |                                    unique_ptr<SequentialFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/env_hdfs.cc:614:54: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   614 |                                    const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                    ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/env_hdfs.cc: In function 'rocksdb::Status rocksdb::NewHdfsEnv(rocksdb::Env**, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/env_hdfs.cc:618:26: warning: unused parameter 'hdfs_env' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   618 |  Status NewHdfsEnv(Env** hdfs_env, const std::string& fsname) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                    ~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/env_hdfs.cc:618:55: warning: unused parameter 'fsname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   618 |  Status NewHdfsEnv(Env** hdfs_env, const std::string& fsname) {
[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/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/instrumented_mutex.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/write_thread.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.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/instrumented_mutex.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/instrumented_mutex.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/instrumented_mutex.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:15:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    14 | #include <unordered_map>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    15 | #include <vector>
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/write_thread.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/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/write_thread.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/write_thread.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/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/write_thread.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/write_thread.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/write_thread.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/write_thread.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/write_thread.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/write_thread.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/write_thread.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/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 /usr/include/c++/11/stdexcept:39,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/system_error:41,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/bits/std_mutex.h:39,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/condition_variable:40,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.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/write_thread.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/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 /usr/include/c++/11/stdexcept:39,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/system_error:41,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/bits/std_mutex.h:39,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/condition_variable:40,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/write_thread.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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: 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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /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/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/db_impl.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/xfunc_test_points.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /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/memtable/hash_cuckoo_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_cuckoo_rep.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_cuckoo_rep.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.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/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/memtable/hash_cuckoo_rep.cc:18:
[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/memtable/hash_cuckoo_rep.cc:18:
[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/memtable/hash_cuckoo_rep.cc:18:
[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/memtable/hash_cuckoo_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/memtable/hash_cuckoo_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.cc:18:
[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: rocksdb/memtable/hash_cuckoo_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashCuckooRep::Iterator::SeekForPrev(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_cuckoo_rep.cc:601:56: warning: unused parameter 'user_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   601 | void HashCuckooRep::Iterator::SeekForPrev(const Slice& user_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_cuckoo_rep.cc:602:55: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |                                           const char* memtable_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_cuckoo_rep.cc: In member function 'virtual rocksdb::MemTableRep* rocksdb::HashCuckooRepFactory::CreateMemTableRep(const rocksdb::MemTableRep::KeyComparator&, rocksdb::MemTableAllocator*, const rocksdb::SliceTransform*, rocksdb::Logger*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_cuckoo_rep.cc:627:27: warning: unused parameter 'transform' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   627 |     const SliceTransform* transform, Logger* logger) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_cuckoo_rep.cc:627:46: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   627 |     const SliceTransform* transform, Logger* logger) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/port/port.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.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/memtable/hash_cuckoo_rep.cc:18:
[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/port/port.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_cuckoo_rep.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/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_linklist_rep.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_linklist_rep.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.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/histogram.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.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/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/memtable/hash_linklist_rep.cc:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  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/memtable/hash_linklist_rep.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/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/memtable/hash_linklist_rep.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/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/memtable/hash_linklist_rep.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/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:19:
[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: rocksdb/memtable/hash_linklist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashLinkListRep::LinkListIterator::Seek(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:365:35: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   365 |                       const char* memtable_key) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashLinkListRep::LinkListIterator::SeekForPrev(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:371:43: warning: unused parameter 'internal_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |     virtual void SeekForPrev(const Slice& internal_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:372:42: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   372 |                              const char* memtable_key) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashLinkListRep::EmptyIterator::Seek(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:486:36: warning: unused parameter 'user_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   486 |     virtual void Seek(const Slice& user_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:487:35: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   487 |                       const char* memtable_key) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashLinkListRep::EmptyIterator::SeekForPrev(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:488:43: warning: unused parameter 'user_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   488 |     virtual void SeekForPrev(const Slice& user_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_linklist_rep.cc:489:42: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |                              const char* memtable_key) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:19:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/include/rocksdb/slice_transform.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /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/memtable/hash_linklist_rep.cc:19:
[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/include/rocksdb/slice_transform.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_linklist_rep.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /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/memtable/hash_skiplist_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_skiplist_rep.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/memtable/hash_skiplist_rep.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.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/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/memtable/hash_skiplist_rep.cc:18:
[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/memtable/hash_skiplist_rep.cc:18:
[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/memtable/hash_skiplist_rep.cc:18:
[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/memtable/hash_skiplist_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/memtable/hash_skiplist_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.cc:18:
[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: rocksdb/memtable/hash_skiplist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashSkipListRep::Iterator::SeekForPrev(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:134:43: warning: unused parameter 'internal_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |     virtual void SeekForPrev(const Slice& internal_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:135:42: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   135 |                              const char* memtable_key) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashSkipListRep::EmptyIterator::Seek(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:222:36: warning: unused parameter 'internal_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   222 |     virtual void Seek(const Slice& internal_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:223:35: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   223 |                       const char* memtable_key) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc: In member function 'virtual void rocksdb::{anonymous}::HashSkipListRep::EmptyIterator::SeekForPrev(const rocksdb::Slice&, const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:224:43: warning: unused parameter 'internal_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   224 |     virtual void SeekForPrev(const Slice& internal_key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:225:42: warning: unused parameter 'memtable_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   225 |                              const char* memtable_key) override {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc: In member function 'virtual rocksdb::MemTableRep* rocksdb::HashSkipListRepFactory::CreateMemTableRep(const rocksdb::MemTableRep::KeyComparator&, rocksdb::MemTableAllocator*, const rocksdb::SliceTransform*, rocksdb::Logger*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/memtable/hash_skiplist_rep.cc:338:46: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   338 |     const SliceTransform* transform, Logger* logger) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/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/include/rocksdb/slice_transform.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /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/memtable/hash_skiplist_rep.cc:18:
[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/include/rocksdb/slice_transform.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/hash_skiplist_rep.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /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/memtable/skiplistrep.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/memtable/skiplistrep.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/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/memtable/skiplistrep.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/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/memtable/skiplistrep.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/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/memtable/skiplistrep.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/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/memtable/skiplistrep.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:       |                                   ~~~~~~~~~~~~~^~~
[WARN] too many lines in the log, truncating it
