[INFO] fetching crate rusticsearch 0.0.2...
[INFO] documenting rusticsearch-0.0.2 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate rusticsearch 0.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rusticsearch 0.0.2 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffaea5d28a6b07123f9b3cea0a638fc2ee11e8b1258a5979526461b7c61870c3
[INFO] running `Command { std: "docker" "start" "-a" "ffaea5d28a6b07123f9b3cea0a638fc2ee11e8b1258a5979526461b7c61870c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffaea5d28a6b07123f9b3cea0a638fc2ee11e8b1258a5979526461b7c61870c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffaea5d28a6b07123f9b3cea0a638fc2ee11e8b1258a5979526461b7c61870c3", kill_on_drop: false }`
[INFO] [stdout] ffaea5d28a6b07123f9b3cea0a638fc2ee11e8b1258a5979526461b7c61870c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca68e0cfaf7ef96c95480c4e386f5dbe36001fa74c4a68db02add9fce222559a
[INFO] running `Command { std: "docker" "start" "-a" "ca68e0cfaf7ef96c95480c4e386f5dbe36001fa74c4a68db02add9fce222559a", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.25
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[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/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/stop_watch.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/perf_step_timer.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/iostats_context_imp.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/posix_logger.h:27,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/port/util_logger.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/filename.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/filename.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/posix_logger.h:26,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/port/util_logger.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:7,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/stop_watch.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/perf_step_timer.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/iostats_context_imp.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/posix_logger.h:27,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/port/util_logger.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/stop_watch.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/perf_step_timer.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/iostats_context_imp.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/posix_logger.h:27,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/port/util_logger.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/auto_roll_logger.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:18:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    17 | #include "util/autovector.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    18 | #include "port/port.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/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/iostats_context.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/util/iostats_context.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/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/iostats_context.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/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/iostats_context.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:18:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    17 | #include "util/autovector.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    18 | #include "port/port.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/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/io_posix.cc:33:
[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/io_posix.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/io_posix.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/io_posix.cc:12:
[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/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/io_posix.cc:32:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h: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/io_posix.cc:33:
[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/io_posix.cc:33:
[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/io_posix.cc: In constructor 'rocksdb::PosixMmapReadableFile::PosixMmapReadableFile(int, const string&, void*, size_t, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.cc:391:64: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   391 |                                              const EnvOptions& options)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.cc: In member function 'virtual rocksdb::Status rocksdb::PosixMmapReadableFile::Read(uint64_t, size_t, rocksdb::Slice*, char*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.cc:407:42: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   407 |                                    char* scratch) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                    ~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.cc: In constructor 'rocksdb::PosixMmapFile::PosixMmapFile(const string&, int, size_t, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.cc:515:48: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   515 |                              const EnvOptions& options)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.cc: In constructor 'rocksdb::PosixWritableFile::PosixWritableFile(const string&, int, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.cc:662:56: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   662 |                                      const EnvOptions& options)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.cc: In constructor 'rocksdb::PosixRandomRWFile::PosixRandomRWFile(const string&, int, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/io_posix.cc:831:56: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   831 |                                      const EnvOptions& options)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/log_buffer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/log_buffer.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/logging.cc:22:
[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/lru_cache.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/lru_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: In file included from rocksdb/util/memenv.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: rocksdb/util/memenv.cc: In member function 'virtual rocksdb::Status rocksdb::{anonymous}::WritableFileImpl::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc:235:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |   virtual Status Truncate(uint64_t size) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc: In member function 'virtual rocksdb::Status rocksdb::{anonymous}::InMemoryEnv::NewSequentialFile(const string&, std::unique_ptr<rocksdb::SequentialFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc:264:54: warning: unused parameter 'soptions' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   264 |                                    const EnvOptions& soptions) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                    ~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc: In member function 'virtual rocksdb::Status rocksdb::{anonymous}::InMemoryEnv::NewRandomAccessFile(const string&, std::unique_ptr<rocksdb::RandomAccessFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc:278:56: warning: unused parameter 'soptions' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   278 |                                      const EnvOptions& soptions) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc: In member function 'virtual rocksdb::Status rocksdb::{anonymous}::InMemoryEnv::NewWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc:292:52: warning: unused parameter 'soptions' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   292 |                                  const EnvOptions& soptions) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc: In member function 'virtual rocksdb::Status rocksdb::{anonymous}::InMemoryEnv::NewDirectory(const string&, std::unique_ptr<rocksdb::Directory>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc:307:50: warning: unused parameter 'name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   307 |   virtual Status NewDirectory(const std::string& name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc: In member function 'virtual rocksdb::Status rocksdb::{anonymous}::InMemoryEnv::CreateDir(const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc:360:47: warning: unused parameter 'dirname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |   virtual Status CreateDir(const std::string& dirname) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc: In member function 'virtual rocksdb::Status rocksdb::{anonymous}::InMemoryEnv::CreateDirIfMissing(const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc:364:56: warning: unused parameter 'dirname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   364 |   virtual Status CreateDirIfMissing(const std::string& dirname) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc: In member function 'virtual rocksdb::Status rocksdb::{anonymous}::InMemoryEnv::DeleteDir(const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc:368:47: warning: unused parameter 'dirname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   368 |   virtual Status DeleteDir(const std::string& dirname) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc: In member function 'virtual rocksdb::Status rocksdb::{anonymous}::InMemoryEnv::GetFileModificationTime(const string&, uint64_t*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc:385:61: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |   virtual Status GetFileModificationTime(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc:386:52: warning: unused parameter 'time' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                                          uint64_t* time) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc: In member function 'virtual rocksdb::Status rocksdb::{anonymous}::InMemoryEnv::LockFile(const string&, rocksdb::FileLock**)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/memenv.cc:405:46: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   405 |   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: In file included from rocksdb/util/env.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/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/env.cc:16:
[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/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/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/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.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/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.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_list.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.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_list.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.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_list.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.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_list.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/pinned_iterators_manager.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/table_cache.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/table_cache.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/table_cache.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/compaction.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h:748:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   748 |     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/merge_helper.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:103:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   103 |                                   const Slice& operand) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h: In member function 'virtual rocksdb::Status rocksdb::DBImplReadOnly::Put(const rocksdb::WriteOptions&, rocksdb::ColumnFamilyHandle*, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:39:42: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    39 |   virtual Status Put(const WriteOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                      ~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:40:42: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    40 |                      ColumnFamilyHandle* column_family, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                      ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:40:70: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    40 |                      ColumnFamilyHandle* column_family, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:41:35: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    41 |                      const Slice& value) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                      ~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h: In member function 'virtual rocksdb::Status rocksdb::DBImplReadOnly::Merge(const rocksdb::WriteOptions&, rocksdb::ColumnFamilyHandle*, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:45:44: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    45 |   virtual Status Merge(const WriteOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:46:44: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |                        ColumnFamilyHandle* column_family, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:46:72: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |                        ColumnFamilyHandle* column_family, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:47:37: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |                        const Slice& value) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h: In member function 'virtual rocksdb::Status rocksdb::DBImplReadOnly::Delete(const rocksdb::WriteOptions&, rocksdb::ColumnFamilyHandle*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:51:45: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    51 |   virtual Status Delete(const WriteOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:52:45: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    52 |                         ColumnFamilyHandle* column_family,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:53:38: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    53 |                         const Slice& key) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h: In member function 'virtual rocksdb::Status rocksdb::DBImplReadOnly::SingleDelete(const rocksdb::WriteOptions&, rocksdb::ColumnFamilyHandle*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:57:51: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    57 |   virtual Status SingleDelete(const WriteOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:58:51: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    58 |                               ColumnFamilyHandle* column_family,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:59:44: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    59 |                               const Slice& key) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h: In member function 'virtual rocksdb::Status rocksdb::DBImplReadOnly::Write(const rocksdb::WriteOptions&, rocksdb::WriteBatch*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:62:44: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    62 |   virtual Status Write(const WriteOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:63:36: warning: unused parameter 'updates' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    63 |                        WriteBatch* updates) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h: In member function 'virtual rocksdb::Status rocksdb::DBImplReadOnly::CompactRange(const rocksdb::CompactRangeOptions&, rocksdb::ColumnFamilyHandle*, const rocksdb::Slice*, const rocksdb::Slice*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:67:58: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    67 |   virtual Status CompactRange(const CompactRangeOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:68:51: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    68 |                               ColumnFamilyHandle* column_family,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:69:44: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    69 |                               const Slice* begin, const Slice* end) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:69:64: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    69 |                               const Slice* begin, const Slice* end) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h: In member function 'virtual rocksdb::Status rocksdb::DBImplReadOnly::CompactFiles(const rocksdb::CompactionOptions&, rocksdb::ColumnFamilyHandle*, const std::vector<std::__cxx11::basic_string<char> >&, int, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:75:32: warning: unused parameter 'compact_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |       const CompactionOptions& compact_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:76:27: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       ColumnFamilyHandle* column_family,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:77:39: warning: unused parameter 'input_file_names' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |       const std::vector<std::string>& input_file_names,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:78:17: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    78 |       const int output_level, const int output_path_id = -1) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:78:41: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    78 |       const int output_level, const int output_path_id = -1) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h: In member function 'virtual rocksdb::Status rocksdb::DBImplReadOnly::EnableFileDeletions(bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:87:43: warning: unused parameter 'force' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    87 |   virtual Status EnableFileDeletions(bool force) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h: In member function 'virtual rocksdb::Status rocksdb::DBImplReadOnly::GetLiveFiles(std::vector<std::__cxx11::basic_string<char> >&, uint64_t*, bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:91:41: warning: unused parameter 'manifest_file_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    91 |                               uint64_t* manifest_file_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:92:36: warning: unused parameter 'flush_memtable' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    92 |                               bool flush_memtable = true) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h: In member function 'virtual rocksdb::Status rocksdb::DBImplReadOnly::Flush(const rocksdb::FlushOptions&, rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:98:44: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    98 |   virtual Status Flush(const FlushOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.h:99:44: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    99 |                        ColumnFamilyHandle* column_family) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/db_impl_readonly.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h: In member function 'virtual rocksdb::Status rocksdb::CompactedDBImpl::Put(const rocksdb::WriteOptions&, rocksdb::ColumnFamilyHandle*, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:35:42: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    35 |   virtual Status Put(const WriteOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                      ~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:36:42: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    36 |                      ColumnFamilyHandle* column_family, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                      ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:36:70: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    36 |                      ColumnFamilyHandle* column_family, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:37:35: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    37 |                      const Slice& value) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                      ~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h: In member function 'virtual rocksdb::Status rocksdb::CompactedDBImpl::Merge(const rocksdb::WriteOptions&, rocksdb::ColumnFamilyHandle*, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:41:44: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    41 |   virtual Status Merge(const WriteOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:42:44: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    42 |                        ColumnFamilyHandle* column_family, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:42:72: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    42 |                        ColumnFamilyHandle* column_family, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:43:37: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    43 |                        const Slice& value) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h: In member function 'virtual rocksdb::Status rocksdb::CompactedDBImpl::Delete(const rocksdb::WriteOptions&, rocksdb::ColumnFamilyHandle*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:47:45: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   virtual Status Delete(const WriteOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:48:45: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    48 |                         ColumnFamilyHandle* column_family,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:49:38: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    49 |                         const Slice& key) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h: In member function 'virtual rocksdb::Status rocksdb::CompactedDBImpl::Write(const rocksdb::WriteOptions&, rocksdb::WriteBatch*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:52:44: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    52 |   virtual Status Write(const WriteOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:53:36: warning: unused parameter 'updates' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    53 |                        WriteBatch* updates) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h: In member function 'virtual rocksdb::Status rocksdb::CompactedDBImpl::CompactRange(const rocksdb::CompactRangeOptions&, rocksdb::ColumnFamilyHandle*, const rocksdb::Slice*, const rocksdb::Slice*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:57:58: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    57 |   virtual Status CompactRange(const CompactRangeOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:58:51: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    58 |                               ColumnFamilyHandle* column_family,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:59:44: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    59 |                               const Slice* begin, const Slice* end) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:59:64: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    59 |                               const Slice* begin, const Slice* end) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h: In member function 'virtual rocksdb::Status rocksdb::CompactedDBImpl::EnableFileDeletions(bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:66:43: warning: unused parameter 'force' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   virtual Status EnableFileDeletions(bool force) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h: In member function 'virtual rocksdb::Status rocksdb::CompactedDBImpl::GetLiveFiles(std::vector<std::__cxx11::basic_string<char> >&, uint64_t*, bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:70:41: warning: unused parameter 'manifest_file_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    70 |                               uint64_t* manifest_file_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:71:36: warning: unused parameter 'flush_memtable' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |                               bool flush_memtable = true) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h: In member function 'virtual rocksdb::Status rocksdb::CompactedDBImpl::Flush(const rocksdb::FlushOptions&, rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:75:44: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual Status Flush(const FlushOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compacted_db_impl.h:76:44: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |                        ColumnFamilyHandle* column_family) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.cc: In static member function 'static rocksdb::Status rocksdb::DB::OpenForReadOnly(const rocksdb::Options&, const string&, rocksdb::DB**, bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/db_impl_readonly.cc:101:45: warning: unused parameter 'error_if_log_file_exist' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   101 |                            DB** dbptr, bool error_if_log_file_exist) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) { }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[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/db_impl_readonly.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_readonly.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:323:41: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(const rocksdb::FileMetaData&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   323 |        : first(std::forward<_U1>(__x)), second(__y) { }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/concurrent_arena.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/compaction.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/merge_helper.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.cc:10:
[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/db_impl_experimental.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl_experimental.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/include/rocksdb/options.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/option_change_migration.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/option_change_migration/option_change_migration.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/option_change_migration/option_change_migration.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/option_change_migration/option_change_migration.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/option_change_migration/option_change_migration.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_helper.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_parser.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_helper.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_parser.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_factory.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_parser.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/table/block_based_table_factory.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/options_parser.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/options/options_util.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/persistent_cache_tier.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/persistent_cache_tier.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/persistent_cache.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/persistent_cache_tier.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/persistent_cache_tier.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_tier.cc: In member function 'virtual bool rocksdb::PersistentCacheTier::Reserve(size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_tier.cc:31:48: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    31 | bool PersistentCacheTier::Reserve(const size_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_tier.cc: In member function 'virtual bool rocksdb::PersistentCacheTier::Erase(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_tier.cc:36:46: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    36 | bool PersistentCacheTier::Erase(const Slice& key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/volatile_tier_impl.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/hash_table.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/volatile_tier_impl.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/volatile_tier_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:78:23: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    78 |   T* Evict(const std::function<void(T*)>& fn = nullptr) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:13:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    12 | #include "utilities/persistent_cache/lrulist.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    13 | 
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:78:31: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    78 |   T* Evict(const std::function<void(T*)>& fn = nullptr) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h: In member function 'T* rocksdb::EvictableHashTable<T, Hash, Equal>::Evict(int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:99:13: error: 'fn' was not declared in this scope; did you mean 'yn'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    99 |         if (fn) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             yn
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/volatile_tier_impl.cc: In member function 'virtual bool rocksdb::VolatileCacheTier::Erase(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:126:44: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   126 | bool VolatileCacheTier::Erase(const Slice& key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/volatile_tier_impl.cc: In member function 'bool rocksdb::VolatileCacheTier::Evict()':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:132:34: error: no matching function for call to 'rocksdb::EvictableHashTable<rocksdb::VolatileCacheTier::CacheData, rocksdb::VolatileCacheTier::CacheDataHash, rocksdb::VolatileCacheTier::CacheDataEqual>::Evict()'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   132 |   CacheData* edata = index_.Evict();
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                      ~~~~~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/volatile_tier_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/volatile_tier_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:78:6: note: candidate: 'T* rocksdb::EvictableHashTable<T, Hash, Equal>::Evict(int) [with T = rocksdb::VolatileCacheTier::CacheData; Hash = rocksdb::VolatileCacheTier::CacheDataHash; Equal = rocksdb::VolatileCacheTier::CacheDataEqual]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    78 |   T* Evict(const std::function<void(T*)>& fn = nullptr) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |      ^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/hash_table_evictable.h:78:6: note:   candidate expects 1 argument, 0 provided
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/block_cache_tier_file.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/persistent_cache.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/persistent_cache_tier.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_file.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:80:33: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    80 |                      const std::function<void()> callback) = 0;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:24:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    23 | #include "util/crc32c.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    24 | #include "util/mutexlock.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:80:41: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    80 |                      const std::function<void()> callback) = 0;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Append(const rocksdb::Slice&, const rocksdb::Slice&, rocksdb::LBA*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:36: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:54: warning: unused parameter 'val' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:70: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Read(const LBA&, rocksdb::Slice*, rocksdb::Slice*, char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:32: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:44: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:56: warning: unused parameter 'block' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:69: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:53: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:48: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:61: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:269:10: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   269 |     std::function<void()> callback_;         // Callback on completion
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |          ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:269:5: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   269 |     std::function<void()> callback_;         // Callback on completion
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:25: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:20: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                    ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:33: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In constructor 'rocksdb::ThreadedWriter::IO::IO(rocksdb::WritableFile*, rocksdb::CacheWriteBuffer*, uint64_t, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:259:56: error: class 'rocksdb::ThreadedWriter::IO' does not have any field named 'callback_'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   259 |         : file_(file), buf_(buf), file_off_(file_off), callback_(callback) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:259:66: error: 'callback' was not declared in this scope; did you mean 'calloc'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   259 |         : file_(file), buf_(buf), file_off_(file_off), callback_(callback) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                  ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                  calloc
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: In member function 'bool rocksdb::RandomAccessCacheFile::OpenImpl(bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:199:49: warning: unused parameter 'enable_direct_reads' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   199 | bool RandomAccessCacheFile::OpenImpl(const bool enable_direct_reads) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                      ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: In member function 'bool rocksdb::WriteableCacheFile::Create(bool, bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:270:44: warning: unused parameter 'enable_direct_writes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   270 | bool WriteableCacheFile::Create(const bool enable_direct_writes,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: In member function 'void rocksdb::WriteableCacheFile::DispatchBuffer()':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:399:23: error: 'bind' is not a member of 'std'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   399 |                  std::bind(&WriteableCacheFile::BufferWriteDone, this));
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:11:1: note: 'std::bind' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    10 | #include <unistd.h>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    11 | #endif
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:538:39: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   538 |                            const std::function<void()> callback) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:538:34: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   538 |                            const std::function<void()> callback) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:538:47: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   538 |                            const std::function<void()> callback) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: In member function 'virtual void rocksdb::ThreadedWriter::Write(rocksdb::WritableFile*, rocksdb::CacheWriteBuffer*, uint64_t, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:539:35: error: 'callback' was not declared in this scope; did you mean 'calloc'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   539 |   q_.Push(IO(file, buf, file_off, callback));
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   calloc
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc: In member function 'void rocksdb::ThreadedWriter::ThreadMain()':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:561:8: error: 'struct rocksdb::ThreadedWriter::IO' has no member named 'callback_'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   561 |     io.callback_();
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/block_cache_tier_file.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h: In instantiation of 'T rocksdb::BoundedQueue<T>::Pop() [with T = rocksdb::ThreadedWriter::IO]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.cc:545:17:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h:51:23: warning: moving a local object in a return statement prevents copy elision [-Wpessimizing-move]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    51 |     return std::move(t);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h:51:23: note: remove 'std::move' call
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/block_cache_tier_file.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_metadata.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_metadata.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/persistent_cache.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/persistent_cache_tier.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_file.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_metadata.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_metadata.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/block_cache_tier_metadata.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier_metadata.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Append(const rocksdb::Slice&, const rocksdb::Slice&, rocksdb::LBA*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:36: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:54: warning: unused parameter 'val' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:70: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Read(const LBA&, rocksdb::Slice*, rocksdb::Slice*, char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:32: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:44: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:56: warning: unused parameter 'block' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:69: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/util/stop_watch.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/persistent_cache.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/block_cache_tier.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:80:33: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    80 |                      const std::function<void()> callback) = 0;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:24:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    23 | #include "util/crc32c.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    24 | #include "util/mutexlock.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:80:41: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    80 |                      const std::function<void()> callback) = 0;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Append(const rocksdb::Slice&, const rocksdb::Slice&, rocksdb::LBA*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:36: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:54: warning: unused parameter 'val' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:105:70: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual bool Append(const Slice& key, const Slice& val, LBA* const lba) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In member function 'virtual bool rocksdb::BlockCacheFile::Read(const LBA&, rocksdb::Slice*, rocksdb::Slice*, char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:32: warning: unused parameter 'lba' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:44: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:56: warning: unused parameter 'block' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:111:69: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   111 |   virtual bool Read(const LBA& lba, Slice* key, Slice* block, char* scratch) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:53: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:48: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:258:61: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   258 |                 const uint64_t file_off, const std::function<void()> callback)
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:269:10: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   269 |     std::function<void()> callback_;         // Callback on completion
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |          ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:269:5: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   269 |     std::function<void()> callback_;         // Callback on completion
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:25: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:20: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                    ^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:279:33: error: expected ',' or '...' before '<' token
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   279 |              const std::function<void()> callback) override;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h: In constructor 'rocksdb::ThreadedWriter::IO::IO(rocksdb::WritableFile*, rocksdb::CacheWriteBuffer*, uint64_t, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:259:56: error: class 'rocksdb::ThreadedWriter::IO' does not have any field named 'callback_'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   259 |         : file_(file), buf_(buf), file_off_(file_off), callback_(callback) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier_file.h:259:66: error: 'callback' was not declared in this scope; did you mean 'calloc'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   259 |         : file_(file), buf_(buf), file_off_(file_off), callback_(callback) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                  ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                                  calloc
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/coding.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.h:30,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/persistent_cache/block_cache_tier_file.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/persistent_cache/block_cache_tier.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h: In instantiation of 'T rocksdb::BoundedQueue<T>::Pop() [with T = rocksdb::BlockCacheTier::InsertOp]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/block_cache_tier.cc:174:32:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h:51:23: warning: moving a local object in a return statement prevents copy elision [-Wpessimizing-move]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    51 |     return std::move(t);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/persistent_cache/persistent_cache_util.h:51:23: note: remove 'std::move' call
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.cc:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.cc:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.cc:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.cc:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/redis/redis_lists.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/redis/redis_lists.cc:25:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/redis/redis_list_iterator.h: In member function 'void rocksdb::RedisListIterator::ThrowError(const char*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/redis/redis_list_iterator.h:291:37: warning: unused parameter 'msg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   void ThrowError(const char* const msg = NULL) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/simulator_cache/sim_cache.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/sim_cache.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/simulator_cache/sim_cache.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/statistics.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/simulator_cache/sim_cache.cc:9:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:18:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    17 | #include "util/autovector.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    18 | #include "port/port.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/simulator_cache/sim_cache.cc: In lambda function:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/simulator_cache/sim_cache.cc:46:47: warning: unused parameter 'k' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |                               [](const Slice& k, void* v) {}, nullptr,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/simulator_cache/sim_cache.cc:46:56: warning: unused parameter 'v' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |                               [](const Slice& k, void* v) {}, nullptr,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                  ~~~~~~^
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/spatial_db.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/spatialdb/spatial_db.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/spatial_db.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/spatialdb/spatial_db.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/spatial_db.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/spatialdb/spatial_db.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/spatial_db.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/spatialdb/spatial_db.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/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/utilities/spatialdb/spatial_db.cc:24:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/spatialdb/spatial_db.cc:26:
[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/utilities/spatialdb/spatial_db.cc:27:
[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/utilities/spatialdb/spatial_db.cc: In function 'rocksdb::ColumnFamilyOptions rocksdb::spatial::{anonymous}::GetColumnFamilyOptions(const rocksdb::spatial::SpatialDBOptions&, std::shared_ptr<rocksdb::Cache>)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/spatialdb/spatial_db.cc:707:68: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   707 | ColumnFamilyOptions GetColumnFamilyOptions(const SpatialDBOptions& options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/table_properties_collectors/compact_on_deletion_collector.cc:7:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/table_properties_collectors/compact_on_deletion_collector.h: In member function 'virtual rocksdb::Status rocksdb::CompactOnDeletionCollector::Finish(rocksdb::UserCollectedProperties*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/table_properties_collectors/compact_on_deletion_collector.h:63:50: warning: unused parameter 'properties' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    63 |   virtual Status Finish(UserCollectedProperties* properties) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                         ~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/table_properties_collectors/compact_on_deletion_collector.cc: In member function 'virtual rocksdb::Status rocksdb::CompactOnDeletionCollector::AddUserKey(const rocksdb::Slice&, const rocksdb::Slice&, rocksdb::EntryType, rocksdb::SequenceNumber, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/table_properties_collectors/compact_on_deletion_collector.cc:43:18: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    43 |     const Slice& key, const Slice& value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/table_properties_collectors/compact_on_deletion_collector.cc:43:36: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    43 |     const Slice& key, const Slice& value,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                       ~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/table_properties_collectors/compact_on_deletion_collector.cc:44:36: warning: unused parameter 'seq' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    44 |     EntryType type, SequenceNumber seq,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/table_properties_collectors/compact_on_deletion_collector.cc:45:14: warning: unused parameter 'file_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    45 |     uint64_t file_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/table_properties_collectors/compact_on_deletion_collector.cc: In member function 'virtual rocksdb::TablePropertiesCollector* rocksdb::CompactOnDeletionCollectorFactory::CreateTablePropertiesCollector(rocksdb::TablePropertiesCollectorFactory::Context)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/table_properties_collectors/compact_on_deletion_collector.cc:80:46: warning: unused parameter 'context' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    80 |     TablePropertiesCollectorFactory::Context context) {
[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/utilities/transactions/optimistic_transaction_impl.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/utilities/transactions/optimistic_transaction_impl.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/utilities/transactions/optimistic_transaction_impl.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.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/utilities/transactions/optimistic_transaction_impl.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In member function 'virtual rocksdb::TransactionID rocksdb::Transaction::GetWaitingTxn(uint32_t*, const string**) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:402:49: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   402 |   virtual TransactionID GetWaitingTxn(uint32_t* column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:403:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   403 |                                       const std::string** key) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In constructor 'rocksdb::Transaction::Transaction(const rocksdb::TransactionDB*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:423:45: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   423 |   explicit Transaction(const TransactionDB* db) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/transactions/optimistic_transaction_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/optimistic_transaction_db.h: In constructor 'rocksdb::OptimisticTransactionDB::OptimisticTransactionDB(rocksdb::DB*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/optimistic_transaction_db.h:65:40: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   explicit OptimisticTransactionDB(DB* db) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                    ~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/transactions/optimistic_transaction_impl.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h: In member function 'virtual void rocksdb::TransactionBaseImpl::SetLockTimeout(int64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h:166:39: warning: unused parameter 'timeout' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   166 |   virtual void SetLockTimeout(int64_t timeout) override { /* Do nothing */
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/transactions/optimistic_transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/optimistic_transaction_impl.h: In member function 'virtual void rocksdb::OptimisticTransactionImpl::UnlockGetForUpdate(rocksdb::ColumnFamilyHandle*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/optimistic_transaction_impl.h:69:47: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    69 |   void UnlockGetForUpdate(ColumnFamilyHandle* column_family,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/optimistic_transaction_impl.h:70:40: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    70 |                           const Slice& key) override {
[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/utilities/transactions/optimistic_transaction_impl.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/utilities/transactions/optimistic_transaction_impl.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/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/utilities/transactions/optimistic_transaction_impl.cc:14:
[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/utilities/transactions/optimistic_transaction_impl.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/utilities/transactions/optimistic_transaction_impl.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/utilities/transactions/optimistic_transaction_impl.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/utilities/transactions/optimistic_transaction_impl.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/utilities/transactions/optimistic_transaction_impl.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/utilities/transactions/optimistic_transaction_impl.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/utilities/transactions/optimistic_transaction_impl.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/compaction.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h:748:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   748 |     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/merge_helper.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:103:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   103 |                                   const Slice& operand) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/optimistic_transaction_impl.cc: In member function 'virtual rocksdb::Status rocksdb::OptimisticTransactionImpl::SetName(const TransactionName&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/optimistic_transaction_impl.cc:134:66: warning: unused parameter 'name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 | Status OptimisticTransactionImpl::SetName(const TransactionName& name) {
[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/utilities/transactions/optimistic_transaction_impl.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<_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 /usr/include/c++/11/stack:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) { }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.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<_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 /usr/include/c++/11/stack:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_impl.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/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/utilities/transactions/optimistic_transaction_db_impl.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.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/utilities/transactions/optimistic_transaction_db_impl.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/optimistic_transaction_db.h: In constructor 'rocksdb::OptimisticTransactionDB::OptimisticTransactionDB(rocksdb::DB*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/optimistic_transaction_db.h:65:40: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   explicit OptimisticTransactionDB(DB* db) {}
[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/utilities/transactions/optimistic_transaction_db_impl.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/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/utilities/transactions/optimistic_transaction_db_impl.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/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/utilities/transactions/optimistic_transaction_db_impl.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/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/utilities/transactions/optimistic_transaction_db_impl.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In constructor 'rocksdb::FdWithKeyRange::FdWithKeyRange(rocksdb::FileDescriptor, rocksdb::Slice, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:134:9: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   134 |       : fd(_fd), smallest_key(_smallest_key), largest_key(_largest_key) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |         ^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:88:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:120:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   120 |   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/memtablerep.h:121:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   121 |                                          const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   154 | inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 | inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   214 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:215:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   215 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&, int)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   286 | inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   287 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   288 |                              uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:289:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   289 |                              const Slice& compression_dict = Slice(),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:290:34: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |                              int windowBits = -14) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   384 | inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   385 |                            uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   386 |                            const char* input, size_t length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                               ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   387 |                            ::std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   442 | inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                       ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   443 |                               int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   444 |                               uint32_t compress_format_version) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, rocksdb::Slice)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   523 | inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   524 |                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                            ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   525 |                          size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                         ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:526:38: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   526 |                          const Slice compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:580:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   580 | inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:581:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   581 |                             int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:582:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   582 |                             uint32_t compress_format_version,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:583:42: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   583 |                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::string*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:636:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   636 | inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:637:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   637 |                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                              ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:638:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   638 |                            size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                           ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:639:41: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   639 |                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:702:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   702 | inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                               ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:709:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   709 | inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                        ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:710:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   710 |   int* decompress_size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |   ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::string*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:720:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   720 | inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                           ~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:721:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   721 |                           size_t length, ::std::string* output,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:722:40: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   722 |                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:756:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   756 | inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:757:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   757 |                              int* decompress_size,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/compression.h:758:43: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   758 |                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/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/utilities/transactions/optimistic_transaction_db_impl.cc:13:
[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/utilities/transactions/optimistic_transaction_db_impl.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/table_cache.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:13:
[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/utilities/transactions/optimistic_transaction_db_impl.cc:13:
[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/utilities/transactions/optimistic_transaction_db_impl.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/utilities/transactions/optimistic_transaction_impl.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In member function 'virtual rocksdb::TransactionID rocksdb::Transaction::GetWaitingTxn(uint32_t*, const string**) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:402:49: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   402 |   virtual TransactionID GetWaitingTxn(uint32_t* column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:403:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   403 |                                       const std::string** key) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In constructor 'rocksdb::Transaction::Transaction(const rocksdb::TransactionDB*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:423:45: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   423 |   explicit Transaction(const TransactionDB* db) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/transactions/optimistic_transaction_impl.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h: In member function 'virtual void rocksdb::TransactionBaseImpl::SetLockTimeout(int64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h:166:39: warning: unused parameter 'timeout' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   166 |   virtual void SetLockTimeout(int64_t timeout) override { /* Do nothing */
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:17:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/optimistic_transaction_impl.h: In member function 'virtual void rocksdb::OptimisticTransactionImpl::UnlockGetForUpdate(rocksdb::ColumnFamilyHandle*, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/optimistic_transaction_impl.h:69:47: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    69 |   void UnlockGetForUpdate(ColumnFamilyHandle* column_family,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/optimistic_transaction_impl.h:70:40: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    70 |                           const Slice& key) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_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/utilities/transactions/optimistic_transaction_db_impl.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) { }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.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/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/utilities/transactions/optimistic_transaction_db_impl.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/optimistic_transaction_db_impl.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/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/utilities/transactions/transaction_base.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.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/utilities/transactions/transaction_base.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.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/utilities/transactions/transaction_base.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In member function 'virtual rocksdb::TransactionID rocksdb::Transaction::GetWaitingTxn(uint32_t*, const string**) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:402:49: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   402 |   virtual TransactionID GetWaitingTxn(uint32_t* column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:403:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   403 |                                       const std::string** key) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In constructor 'rocksdb::Transaction::Transaction(const rocksdb::TransactionDB*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:423:45: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   423 |   explicit Transaction(const TransactionDB* db) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/transactions/transaction_base.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h: In member function 'virtual void rocksdb::TransactionBaseImpl::SetLockTimeout(int64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h:166:39: warning: unused parameter 'timeout' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   166 |   virtual void SetLockTimeout(int64_t timeout) override { /* Do nothing */
[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/utilities/transactions/transaction_base.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/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/utilities/transactions/transaction_base.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/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/utilities/transactions/transaction_base.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/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/utilities/transactions/transaction_base.cc:10:
[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/utilities/transactions/transaction_base.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = int&; _U2 = rocksdb::FileMetaData; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, rocksdb::FileMetaData}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:196:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/stack:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) { }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h: In instantiation of 'constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = int&; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = true; _T1 = int; _T2 = rocksdb::FileMetaData]':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/ext/new_allocator.h:162:4:   required from 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/alloc_traits.h:516:17:   required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, rocksdb::FileMetaData>; _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/vector.tcc:115:30:   required from 'void std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&, const rocksdb::FileMetaData&}; _Tp = std::pair<int, rocksdb::FileMetaData>; _Alloc = std::allocator<std::pair<int, rocksdb::FileMetaData> >]'
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:201:28:   required from here
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:64:8: warning: implicitly-declared 'constexpr rocksdb::FileDescriptor::FileDescriptor(const rocksdb::FileDescriptor&)' is deprecated [-Wdeprecated-copy]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    64 | struct FileMetaData {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |        ^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_edit.h:47:19: note: because 'rocksdb::FileDescriptor' has user-provided 'rocksdb::FileDescriptor& rocksdb::FileDescriptor::operator=(const rocksdb::FileDescriptor&)'
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    47 |   FileDescriptor& operator=(const FileDescriptor& fd) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from /usr/include/c++/11/bits/stl_algobase.h:64,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/deque:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from /usr/include/c++/11/stack:60,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_base.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/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/utilities/transactions/transaction_lock_mgr.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/utilities/transaction_db.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In member function 'virtual rocksdb::TransactionID rocksdb::Transaction::GetWaitingTxn(uint32_t*, const string**) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:402:49: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   402 |   virtual TransactionID GetWaitingTxn(uint32_t* column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:403:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   403 |                                       const std::string** key) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In constructor 'rocksdb::Transaction::Transaction(const rocksdb::TransactionDB*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:423:45: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   423 |   explicit Transaction(const TransactionDB* db) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/transactions/transaction_impl.h:26,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h: In member function 'virtual void rocksdb::TransactionBaseImpl::SetLockTimeout(int64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h:166:39: warning: unused parameter 'timeout' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   166 |   virtual void SetLockTimeout(int64_t timeout) override { /* Do nothing */
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/transactions/transaction_db_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_impl.h: In member function 'virtual rocksdb::Status rocksdb::TransactionCallback::Callback(rocksdb::DB*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_impl.h:171:23: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   171 |   Status Callback(DB* db) override {
[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/utilities/transactions/transaction_lock_mgr.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/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/utilities/transactions/transaction_lock_mgr.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.cc:8:
[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/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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/utilities/transactions/transaction_db_impl.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/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/utilities/transactions/transaction_db_impl.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) { }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.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/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/utilities/transactions/transaction_db_impl.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_db_impl.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/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/utilities/transactions/transaction_lock_mgr.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/utilities/transaction.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.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/utilities/transaction.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.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/utilities/transaction.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.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/utilities/transaction.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.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/utilities/transactions/transaction_lock_mgr.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In member function 'virtual rocksdb::TransactionID rocksdb::Transaction::GetWaitingTxn(uint32_t*, const string**) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:402:49: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   402 |   virtual TransactionID GetWaitingTxn(uint32_t* column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:403:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   403 |                                       const std::string** key) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In constructor 'rocksdb::Transaction::Transaction(const rocksdb::TransactionDB*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:423:45: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   423 |   explicit Transaction(const TransactionDB* db) {}
[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/utilities/transactions/transaction_lock_mgr.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/statistics.h:428:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   428 |   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/util/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/utilities/transactions/transaction_lock_mgr.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.cc:12:
[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/utilities/transactions/transaction_impl.h:26,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h: In member function 'virtual void rocksdb::TransactionBaseImpl::SetLockTimeout(int64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h:166:39: warning: unused parameter 'timeout' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   166 |   virtual void SetLockTimeout(int64_t timeout) override { /* Do nothing */
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/transactions/transaction_lock_mgr.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_lock_mgr.cc:12:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_impl.h: In member function 'virtual rocksdb::Status rocksdb::TransactionCallback::Callback(rocksdb::DB*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_impl.h:171:23: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   171 |   Status Callback(DB* db) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                   ~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_lock_mgr.cc: In member function 'void rocksdb::TransactionLockMgr::UnLock(rocksdb::TransactionImpl*, uint32_t, const string&, rocksdb::Env*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_lock_mgr.cc:441:62: warning: unused parameter 'env' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   441 |                                 const std::string& key, Env* env) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                         ~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_lock_mgr.cc: In member function 'void rocksdb::TransactionLockMgr::UnLock(const rocksdb::TransactionImpl*, const TransactionKeyMap*, rocksdb::Env*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_lock_mgr.cc:481:72: warning: unused parameter 'env' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   481 |                                 const TransactionKeyMap* key_map, Env* env) {
[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/utilities/transactions/transaction_impl.cc:15:
[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/utilities/transactions/transaction_impl.cc:15:
[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/utilities/transactions/transaction_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/listener.h:291:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   291 |   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                    ~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/sst_file_writer.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::NewRandomRWFile(const string&, std::unique_ptr<rocksdb::RandomRWFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:177:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   177 |   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:178:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   178 |                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:179:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   179 |                                  const EnvOptions& options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:239:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                   ~~~~~~~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:290:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   290 |   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                     ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:300:55: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   300 |   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:351:51: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   351 |   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:371:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   371 |   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:429:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   429 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:477:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   477 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:484:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   484 |   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                     ~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:489:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   489 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:533:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   533 |   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:594:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   594 |   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                        ~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:602:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   602 |   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:612:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   612 |   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                             ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                           ~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/env.h:642:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   642 |   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                            ~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/transaction_log.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/db.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.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/utilities/transactions/transaction_impl.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In member function 'virtual rocksdb::TransactionID rocksdb::Transaction::GetWaitingTxn(uint32_t*, const string**) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:402:49: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   402 |   virtual TransactionID GetWaitingTxn(uint32_t* column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:403:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   403 |                                       const std::string** key) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h: In constructor 'rocksdb::Transaction::Transaction(const rocksdb::TransactionDB*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/utilities/transaction.h:423:45: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   423 |   explicit Transaction(const TransactionDB* db) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~~~~~~~~~^~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/transactions/transaction_impl.h:26,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h: In member function 'virtual void rocksdb::TransactionBaseImpl::SetLockTimeout(int64_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_base.h:166:39: warning: unused parameter 'timeout' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   166 |   virtual void SetLockTimeout(int64_t timeout) override { /* Do nothing */
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/utilities/transactions/transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_impl.h: In member function 'virtual rocksdb::Status rocksdb::TransactionCallback::Callback(rocksdb::DB*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_impl.h:171:23: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   171 |   Status Callback(DB* db) override {
[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/utilities/transactions/transaction_impl.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/filter_policy.h:105:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   105 |   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                 ~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/dbformat.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  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/utilities/transactions/transaction_impl.cc:15:
[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/utilities/transactions/transaction_impl.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/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/utilities/transactions/transaction_impl.cc:15:
[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/utilities/transactions/transaction_impl.cc:15:
[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/utilities/transactions/transaction_impl.cc:15:
[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/utilities/transactions/transaction_impl.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/table_cache.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/table_cache.h:24,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.cc:15:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/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/utilities/transactions/transaction_impl.cc:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/compaction.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/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/utilities/transactions/transaction_impl.cc:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/version_set.h:748:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   748 |     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                             ~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/merge_helper.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/compaction_iterator.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/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/utilities/transactions/transaction_impl.cc:16:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:103:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   103 |                                   const Slice& operand) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_impl.cc: In member function 'virtual rocksdb::Status rocksdb::TransactionImpl::LockBatch(rocksdb::WriteBatch*, rocksdb::TransactionKeyMap*)::Handler::PutCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_impl.cc:368:39: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   368 |                          const Slice& value) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                          ~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_impl.cc: In member function 'virtual rocksdb::Status rocksdb::TransactionImpl::LockBatch(rocksdb::WriteBatch*, rocksdb::TransactionKeyMap*)::Handler::MergeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_impl.cc:373:41: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   373 |                            const Slice& value) 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/utilities/transactions/transaction_impl.cc:15:
[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/utilities/transactions/transaction_impl.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: /usr/include/c++/11/bits/stl_pair.h:353:42: note: synthesized method 'rocksdb::FileMetaData::FileMetaData(rocksdb::FileMetaData&&)' first required here
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   353 |         : first(std::forward<_U1>(__x)), second(std::forward<_U2>(__y)) { }
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:20,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.cc:15:
[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/utilities/transactions/transaction_impl.h:11,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_impl.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/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/utilities/transactions/transaction_util.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/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/utilities/transactions/transaction_util.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/include/rocksdb/db.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_util.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_util.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/utilities/transactions/transaction_util.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_util.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/utilities/transactions/transaction_util.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_util.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/utilities/transactions/transaction_util.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_util.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/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/utilities/transactions/transaction_util.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/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/utilities/transactions/transaction_util.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                       ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/cache.h:28,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/include/rocksdb/table.h:23,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/dbformat.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  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/utilities/transactions/transaction_util.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/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/utilities/transactions/transaction_util.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/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/utilities/transactions/transaction_util.cc:18:
[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/utilities/transactions/transaction_util.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: 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/utilities/transactions/transaction_util.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    77 |   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::string, std::string*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                     ~~~~~~~~~~~~~^~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/table/table_builder.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/range_del_aggregator.h:19,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/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/utilities/transactions/transaction_util.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    76 |       uint32_t column_family_id) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/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/utilities/transactions/transaction_util.cc:18:
[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/utilities/transactions/transaction_util.cc:18:
[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/utilities/transactions/transaction_util.cc:18:
[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/utilities/transactions/transaction_util.cc:18:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:103:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   103 |                                   const Slice& operand) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.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/utilities/transactions/transaction_util.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/utilities/transactions/transaction_util.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_util.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/utilities/transactions/transaction_util.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/utilities/transactions/transaction_util.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/transactions/transaction_util.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: rocksdb/utilities/transactions/transaction_util.cc: In static member function 'static rocksdb::Status rocksdb::TransactionUtil::CheckKey(rocksdb::DBImpl*, rocksdb::SuperVersion*, rocksdb::SequenceNumber, rocksdb::SequenceNumber, const string&, bool)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_util.cc:86:16: warning: '.  Increasing the value of t...' directive output truncated writing 115 bytes into a region of size between 76 and 114 [-Wformat-truncation=]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |                "Transaction could not check for conflicts for operation at "
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    87 |                "SequenceNumber %" PRIu64
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |                " as the MemTable only contains changes newer than "
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    89 |                "SequenceNumber %" PRIu64
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    90 |                ".  Increasing the value of the "
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    91 |                "max_write_buffer_number_to_maintain option could reduce the "
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    92 |                "frequency "
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    93 |                "of this error.",
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/transactions/transaction_util.cc:85:15: note: 'snprintf' output between 257 and 295 bytes into a destination of size 255
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    85 |       snprintf(msg, sizeof(msg),
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    86 |                "Transaction could not check for conflicts for operation at "
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    87 |                "SequenceNumber %" PRIu64
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    88 |                " as the MemTable only contains changes newer than "
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    89 |                "SequenceNumber %" PRIu64
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    90 |                ".  Increasing the value of the "
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    91 |                "max_write_buffer_number_to_maintain option could reduce the "
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    92 |                "frequency "
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    93 |                "of this error.",
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    94 |                key_seq, earliest_seq);
[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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:14,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.cc:6:
[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/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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/utilities/ttl/db_ttl_impl.h:8,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/ttl/db_ttl_impl.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/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/utilities/date_tiered/date_tiered_db_impl.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/utilities/date_tiered/date_tiered_db_impl.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/utilities/date_tiered/date_tiered_db_impl.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/utilities/date_tiered/date_tiered_db_impl.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/utilities/date_tiered/date_tiered_db_impl.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/utilities/date_tiered/date_tiered_db_impl.h:13,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/cf_options.h:12,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.h:15,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/util/instrumented_mutex.h:10,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/utilities/date_tiered/date_tiered_db_impl.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.cc:6:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h: At global scope:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:66:16: error: 'function' in namespace 'std' does not name a template type
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    66 |   typedef std::function<void(void*, void*)> FoldFunc;
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:18:1: note: 'std::function' is defined in header '<functional>'; did you forget to '#include <functional>'?
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    17 | #include "util/autovector.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   +++ |+#include <functional>
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    18 | #include "port/port.h"
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:71:13: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    71 |   void Fold(FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |             ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:142:28: error: 'FoldFunc' has not been declared
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   142 |     void Fold(uint32_t id, FoldFunc func, void* res);
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/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/utilities/date_tiered/date_tiered_db_impl.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/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/utilities/date_tiered/date_tiered_db_impl.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/db_impl.h:22,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    46 |       const ReadOptions& read_options) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    65 |   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                        ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 |   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/version_set.h:33,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/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/utilities/date_tiered/date_tiered_db_impl.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::PickCompaction(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, rocksdb::LogBuffer*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:346:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   346 |   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:347:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   347 |                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:348:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   348 |                              VersionStorageInfo* vstorage,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:349:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   349 |                              LogBuffer* log_buffer) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                              ~~~~~~~~~~~^~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual rocksdb::Compaction* rocksdb::NullCompactionPicker::CompactRange(const string&, const rocksdb::MutableCFOptions&, rocksdb::VersionStorageInfo*, int, int, uint32_t, const rocksdb::InternalKey*, const rocksdb::InternalKey*, rocksdb::InternalKey**, bool*)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:354:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   354 |   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:355:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   355 |                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:356:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   356 |                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~^~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~^~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:357:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   357 |                            int output_level, uint32_t output_path_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~~~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:358:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   358 |                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                      ~~~~~~~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:359:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   359 |                            InternalKey** compaction_end,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:360:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   360 |                            bool* manual_conflict) override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~^~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/db/compaction_picker.h:366:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   366 |       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/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/utilities/date_tiered/date_tiered_db_impl.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/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/utilities/date_tiered/date_tiered_db_impl.cc:10:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~^~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:102:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   102 |   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                              ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/compaction_filter.h:103:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   103 |                                   const Slice& operand) const {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/date_tiered/date_tiered_db_impl.cc: In member function 'virtual rocksdb::Iterator* rocksdb::DateTieredDBImpl::NewIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/utilities/date_tiered/date_tiered_db_impl.cc:373:60: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   373 | Iterator* DateTieredDBImpl::NewIterator(const ReadOptions& opts) {
[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/utilities/date_tiered/date_tiered_db_impl.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/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/utilities/date_tiered/date_tiered_db_impl.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/utilities/date_tiered/date_tiered_db_impl.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/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/utilities/date_tiered/date_tiered_db_impl.h:9,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/date_tiered/date_tiered_db_impl.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/utilities/write_batch_with_index/write_batch_with_index.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   205 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/thread_local.h:205:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/db/memtable.h:25,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/memtable_list.h:16,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/db/column_family.h:17,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/write_batch_with_index/write_batch_with_index.cc:13:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    97 | #if ROCKSDB_SUPPORT_THREAD_LOCAL
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/util/concurrent_arena.h:97:5: warning: this use of "defined" may not be portable [-Wexpansion-to-defined]
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/utilities/write_batch_with_index.h:18,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/write_batch_with_index/write_batch_with_index.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/iterator.h:75:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:    75 |   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                            ~~~~~~~~~~~~~^~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/utilities/write_batch_with_index.h:21,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:                  from rocksdb/utilities/write_batch_with_index/write_batch_with_index.cc:8:
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::DeleteRangeCF(uint32_t, const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:212:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   212 |     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~^~~~~~~~~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                  ~~~~~~~~~~~~~^~~~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:213:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   213 |                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                                          ~~~~~~~~~~~~~^~~~~~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:235:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   235 |     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                   ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:239:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   239 |     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                                 ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] warning: librocksdb-sys@0.4.1: rocksdb/include/rocksdb/write_batch.h:244:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] warning: librocksdb-sys@0.4.1:   244 |     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] warning: librocksdb-sys@0.4.1:       |                               ~~~~~~~~~~~~~^~~
[INFO] [stderr] warning: librocksdb-sys@0.4.1: In file included from rocksdb/include/rocksdb/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/utilities/write_batch_with_index/write_batch_with_index.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/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/utilities/write_batch_with_index/write_batch_with_index.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:       |                                        ~~~~~~~^~~~~~~~
[WARN] too many lines in the log, truncating it
