[INFO] cloning repository chebykin/miner-test
[INFO] running `"git" "clone" "--bare" "git://github.com/chebykin/miner-test.git" "work/cache/sources/gh/chebykin/miner-test"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/chebykin/miner-test'...
[INFO] running `"git" "clone" "work/cache/sources/gh/chebykin/miner-test" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/chebykin/miner-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/chebykin/miner-test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/chebykin/miner-test" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/chebykin/miner-test"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/chebykin/miner-test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 571321d9a23b3baef33d15c0721e3c4225a8c8af
[INFO] sha for GitHub repo chebykin/miner-test: 571321d9a23b3baef33d15c0721e3c4225a8c8af
[INFO] validating manifest of chebykin/miner-test on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of chebykin/miner-test on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing chebykin/miner-test
[INFO] finished frobbing chebykin/miner-test
[INFO] frobbed toml for chebykin/miner-test written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/chebykin/miner-test/Cargo.toml
[INFO] started frobbing chebykin/miner-test
[INFO] finished frobbing chebykin/miner-test
[INFO] frobbed toml for chebykin/miner-test written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/chebykin/miner-test/Cargo.toml
[INFO] crate chebykin/miner-test already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/trezor-sys`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uint v0.1.2
[INFO] [stderr]   Downloaded ethereum-types v0.2.3
[INFO] [stderr]   Downloaded parity-wasm v0.27.5
[INFO] [stderr]   Downloaded transient-hashmap v0.4.1
[INFO] [stderr]   Downloaded fixed-hash v0.1.3
[INFO] [stderr]   Downloaded wasmi v0.1.3
[INFO] [stderr]   Downloaded ethbloom v0.4.2
[INFO] [stderr]   Downloaded pwasm-utils v0.1.4
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking chebykin/miner-test against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-3/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/chebykin/miner-test:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d289bb10b7989da8a942f12b9bb5b7bb0fe72a5696813e07e92a4aee975a9ea2
[INFO] running `"docker" "start" "-a" "d289bb10b7989da8a942f12b9bb5b7bb0fe72a5696813e07e92a4aee975a9ea2"`
[INFO] [stderr]    Compiling bigint v4.3.0
[INFO] [stderr]    Compiling serde v1.0.38
[INFO] [stderr]     Checking ethcore-bytes v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]    Compiling rustc-hex v1.0.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking edit-distance v2.0.1
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking protobuf v1.5.1
[INFO] [stderr]     Checking subtle v0.5.1
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]     Checking siphasher v0.1.3
[INFO] [stderr]     Checking macros v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking table v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking unexpected v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking semantic_version v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking using_queue v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking transient-hashmap v0.4.1
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling pulldown-cmark v0.0.3
[INFO] [stderr]    Compiling heck v0.2.1
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.14
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]     Checking app_dirs v1.2.1 (https://github.com/paritytech/app-dirs-rs#0b37f948)
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking ethcore-bloom-journal v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking ethcore-devtools v1.9.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking primal-sieve v0.2.8
[INFO] [stderr]     Checking rotor v0.6.3 (https://github.com/tailhook/rotor#80ce2e4c)
[INFO] [stderr]     Checking stats v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking crossbeam-deque v0.3.0
[INFO] [stderr]     Checking plain_hasher v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking tiny-keccak v1.4.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking elastic-array v0.9.0
[INFO] [stderr]     Checking memory-cache v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking fixed-hash v0.1.3
[INFO] [stderr]     Checking regex v0.2.10
[INFO] [stderr]    Compiling rlp_derive v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling uint v0.1.2
[INFO] [stderr]    Compiling ethereum-types v0.2.3
[INFO] [stderr]     Checking bn v0.4.4 (https://github.com/paritytech/bn#786c0d56)
[INFO] [stderr]     Checking ethcore-io v1.9.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking parity-wasm v0.27.5
[INFO] [stderr]     Checking parity-wordlist v1.2.0
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.2
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]    Compiling skeptic v0.4.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.1
[INFO] [stderr]     Checking cookie v0.3.1
[INFO] [stderr]     Checking kvdb v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking vecio v0.1.0
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking ethcore-bigint v0.2.1 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking globset v0.2.1
[INFO] [stderr]     Checking trezor-sys v1.0.0 (https://github.com/paritytech/trezor-sys#8a401705)
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]    Compiling local-encoding v0.2.0
[INFO] [stderr]     Checking hyper v0.10.0-a.0 (https://github.com/paritytech/hyper#da10f69a)
[INFO] [stderr]     Checking tokio v0.1.5
[INFO] [stderr]     Checking wasmi v0.1.3
[INFO] [stderr]     Checking ethcore-logger v1.9.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking pwasm-utils v0.1.4
[INFO] [stderr]     Checking rlp v0.2.1 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking hashdb v0.1.1 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking bloomable v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking bloomchain v0.2.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]    Compiling serde_derive v1.0.38
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking ethbloom v0.2.5
[INFO] [stderr]     Checking ethbloom v0.4.2
[INFO] [stderr]     Checking util-error v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking kvdb-memorydb v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hyper v0.11.25
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]    Compiling openssl-sys v0.9.28
[INFO] [stderr]    Compiling keccak-hash v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]    Compiling snappy-sys v0.1.0 (https://github.com/paritytech/rust-snappy#40ac9a0d)
[INFO] [stderr]    Compiling eth-secp256k1 v0.5.7 (https://github.com/paritytech/rust-secp256k1#db81cfea)
[INFO] [stderr]    Compiling rocksdb-sys v0.3.0 (https://github.com/paritytech/rust-rocksdb#ecf06adf)
[INFO] [stderr]    Compiling libusb-sys v0.2.4 (https://github.com/paritytech/libusb-sys#14bdb698)
[INFO] [stderr]    Compiling hidapi v0.3.1 (https://github.com/paritytech/hidapi-rs#70ec4bd1)
[INFO] [stderr]    Compiling ethabi v4.2.0
[INFO] [stderr]     Checking jsonrpc-core v8.0.0 (https://github.com/paritytech/jsonrpc.git?branch=parity-1.9#e23a96cb)
[INFO] [stderr]     Checking ethjson v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking jsonrpc-pubsub v8.0.0 (https://github.com/paritytech/jsonrpc.git?branch=parity-1.9#e23a96cb)
[INFO] [stderr]     Checking jsonrpc-server-utils v8.0.0 (https://github.com/paritytech/jsonrpc.git?branch=parity-1.9#e23a96cb)
[INFO] [stderr]     Checking memorydb v0.1.1 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking triehash v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking ethash v1.9.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking libusb v0.3.0 (https://github.com/paritytech/libusb-rs#44270895)
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking snappy v0.1.0 (https://github.com/paritytech/rust-snappy#40ac9a0d)
[INFO] [stderr]     Checking ethcore-util v1.9.7 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking journaldb v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking patricia-trie v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking jsonrpc-macros v8.0.0 (https://github.com/paritytech/jsonrpc.git?branch=parity-1.9#e23a96cb)
[INFO] [stderr]     Checking parity-machine v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking ethkey v0.3.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking jsonrpc-tcp-server v8.0.0 (https://github.com/paritytech/jsonrpc.git?branch=parity-1.9#e23a96cb)
[INFO] [stderr]    Compiling native-contract-generator v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking ethcrypto v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking hardware-wallet v1.9.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking dir v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking ethcore-stratum v1.9.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking ethstore v0.2.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]    Compiling native-contracts v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking native-tls v0.1.5
[INFO] [stderr]     Checking common-types v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr]     Checking tokio-tls v0.1.4
[INFO] [stderr] error[E0034]: multiple applicable items in scope
[INFO] [stderr]   --> /opt/crater/cargo-home/git/checkouts/parity-dc9825eb65b3adf1/7919629/ethstore/src/accounts_dir/memory.rs:33:45
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Ok(self.accounts.read().values().cloned().flatten().collect())
[INFO] [stderr]    |                                                   ^^^^^^^ multiple `flatten` found
[INFO] [stderr]    |
[INFO] [stderr]    = note: candidate #1 is defined in an impl of the trait `std::iter::Iterator` for the type `std::iter::Cloned<_>`
[INFO] [stderr]    = note: candidate #2 is defined in an impl of the trait `itertools::Itertools` for the type `_`
[INFO] [stderr] 
[INFO] [stderr]     Checking hyper-tls v0.1.3
[INFO] [stderr]     Checking vm v0.1.0 (https://github.com/paritytech/parity?tag=v1.9.7#7919629f)
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0034`.
[INFO] [stderr] error: Could not compile `ethstore`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to run custom build command for `rocksdb-sys v0.3.0 (https://github.com/paritytech/rust-rocksdb#ecf06adf)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/rocksdb-sys-71685130181394c9/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/db/db_iter.o" "-c" "rocksdb/db/db_iter.cc"
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/monitoring/statistics.o" "-c" "rocksdb/monitoring/statistics.cc"
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/table/full_filter_block.o" "-c" "rocksdb/table/full_filter_block.cc"
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/utilities/merge_operators/uint64add.o" "-c" "rocksdb/utilities/merge_operators/uint64add.cc"
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/db/version_edit.o" "-c" "rocksdb/db/version_edit.cc"
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/env/env_posix.o" "-c" "rocksdb/env/env_posix.cc"
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/utilities/blob_db/blob_log_format.o" "-c" "rocksdb/utilities/blob_db/blob_log_format.cc"
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/db/compaction_job.o" "-c" "rocksdb/db/compaction_job.cc"
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/status.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/env.h:27,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/status.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/env.h:27,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/merge_operators/uint64add.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/utilities/merge_operators/uint64add.cc:8:0:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:22:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/utilities/merge_operators/uint64add.cc:9:0:
[INFO] [stderr] cargo:warning=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::__cxx11::string*, rocksdb::Logger*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:69:39: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool FullMerge(const Slice& key,
[INFO] [stderr] cargo:warning=                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:70:39: warning: unused parameter 'existing_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const Slice* existing_value,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:71:57: warning: unused parameter 'operand_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const std::deque<std::string>& operand_list,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:72:39: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          std::string* new_value,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:73:34: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          Logger* logger) const {
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h: In member function 'virtual bool rocksdb::MergeOperator::PartialMerge(const rocksdb::Slice&, const rocksdb::Slice&, const rocksdb::Slice&, std::__cxx11::string*, rocksdb::Logger*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:148:42: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] cargo:warning=                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:148:60: warning: unused parameter 'left_operand' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:149:42: warning: unused parameter 'right_operand' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:149:70: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:150:37: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             Logger* logger) const {
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/status.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/statistics.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/statistics.h:7,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/statistics.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/status.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/env.h:27,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/status.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/env.h:27,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/io_posix.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/env_posix.cc:43:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/coding.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/merge_operators/uint64add.cc:11:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:28:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/env/io_posix.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/env_posix.cc:43:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:23:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:22:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/env/env_posix.cc:43:0:
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.h: In member function 'virtual rocksdb::Status rocksdb::PosixMmapFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.h:204:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) override { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/iterator.h:24:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h:54:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/utilities/merge_operators/uint64add.cc: In member function 'virtual bool {anonymous}::UInt64AddOperator::Merge(const rocksdb::Slice&, const rocksdb::Slice*, const rocksdb::Slice&, std::__cxx11::string*, rocksdb::Logger*) const':
[INFO] [stderr] cargo:warning=rocksdb/utilities/merge_operators/uint64add.cc:23:35: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool Merge(const Slice& key,
[INFO] [stderr] cargo:warning=                                   ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:20:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:22:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:29:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/write_buffer_manager.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/write_buffer_manager.h:17:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:23:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/monitoring/statistics.h:7:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/util/stop_watch.h:7,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/perf_step_timer.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/iostats_context_imp.h:7,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/posix_logger.h:27,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/env_posix.cc:44:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/iterator.h:24:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h:54:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/env_posix.cc:48:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/monitoring/statistics.h:7:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/statistics.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:23:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/env_posix.cc:48:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/write_buffer_manager.h:17:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/env_posix.cc:48:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/transaction_log.h:11:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/coding.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/env_posix.cc:50:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:29:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/version_edit.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:15:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::FlushWAL(bool)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:865:32: warning: unused parameter 'sync' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status FlushWAL(bool sync) {
[INFO] [stderr] cargo:warning=                                ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:20:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h:54:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::SuggestCompactRange(rocksdb::ColumnFamilyHandle*, const rocksdb::Slice*, const rocksdb::Slice*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1110:58: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status SuggestCompactRange(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:51: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                   ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:71: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::PromoteL0(rocksdb::ColumnFamilyHandle*, int)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1115:48: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PromoteL0(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1116:32: warning: unused parameter 'target_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int target_level) {
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual int rocksdb::FilterBitsBuilder::CalculateNumEntry(uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:49:48: warning: unused parameter 'space' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int CalculateNumEntry(const uint32_t space) {
[INFO] [stderr] cargo:warning=                                                ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:118:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:18:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::InRange(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:61:37: warning: unused parameter 'dst' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool InRange(const Slice& dst) const { return false; }
[INFO] [stderr] cargo:warning=                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:20:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:22:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/env/env_posix.cc: In member function 'bool rocksdb::{anonymous}::PosixEnv::SupportsFastAllocate(const string&)':
[INFO] [stderr] cargo:warning=rocksdb/env/env_posix.cc:841:48: warning: unused parameter 'path' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   bool SupportsFastAllocate(const std::string& path) {
[INFO] [stderr] cargo:warning=                                                ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:29:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/write_buffer_manager.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/write_buffer_manager.h:17:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h: In member function 'virtual rocksdb::Status rocksdb::TableFactory::GetOptionString(std::__cxx11::string*, const string&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:470:47: warning: unused parameter 'opt_string' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetOptionString(std::string* opt_string,
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:471:53: warning: unused parameter 'delimiter' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const std::string& delimiter) const {
[INFO] [stderr] cargo:warning=                                                     ^~~~~~~~~
[INFO] [stderr] exit code: 0
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/utilities/option_change_migration/option_change_migration.o" "-c" "rocksdb/utilities/option_change_migration/option_change_migration.cc"
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:22:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/pinned_iterators_manager.h:12:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::__cxx11::string, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] cargo:warning=                                                                  ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/transaction_log.h:11:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:15:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::FlushWAL(bool)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:865:32: warning: unused parameter 'sync' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status FlushWAL(bool sync) {
[INFO] [stderr] cargo:warning=                                ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::SuggestCompactRange(rocksdb::ColumnFamilyHandle*, const rocksdb::Slice*, const rocksdb::Slice*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1110:58: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status SuggestCompactRange(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:51: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                   ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:71: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::PromoteL0(rocksdb::ColumnFamilyHandle*, int)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1115:48: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PromoteL0(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1116:32: warning: unused parameter 'target_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int target_level) {
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual int rocksdb::FilterBitsBuilder::CalculateNumEntry(uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:49:48: warning: unused parameter 'space' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int CalculateNumEntry(const uint32_t space) {
[INFO] [stderr] cargo:warning=                                                ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:118:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:18:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::InRange(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:61:37: warning: unused parameter 'dst' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool InRange(const Slice& dst) const { return false; }
[INFO] [stderr] cargo:warning=                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h: In member function 'virtual rocksdb::Status rocksdb::TableFactory::GetOptionString(std::__cxx11::string*, const string&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:470:47: warning: unused parameter 'opt_string' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetOptionString(std::string* opt_string,
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:471:53: warning: unused parameter 'delimiter' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const std::string& delimiter) const {
[INFO] [stderr] cargo:warning=                                                     ^~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:29:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/write_buffer_manager.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/write_buffer_manager.h:17:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/coding.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.cc:10:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:29:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/write_buffer_manager.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/write_buffer_manager.h:17:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/table/full_filter_block.h:15:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::InRange(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:61:37: warning: unused parameter 'dst' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool InRange(const Slice& dst) const { return false; }
[INFO] [stderr] cargo:warning=                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h:54:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/transaction_log.h:11:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:15:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::FlushWAL(bool)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:865:32: warning: unused parameter 'sync' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status FlushWAL(bool sync) {
[INFO] [stderr] cargo:warning=                                ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::SuggestCompactRange(rocksdb::ColumnFamilyHandle*, const rocksdb::Slice*, const rocksdb::Slice*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1110:58: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status SuggestCompactRange(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:51: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                   ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:71: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::PromoteL0(rocksdb::ColumnFamilyHandle*, int)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1115:48: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PromoteL0(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1116:32: warning: unused parameter 'target_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int target_level) {
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual int rocksdb::FilterBitsBuilder::CalculateNumEntry(uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:49:48: warning: unused parameter 'space' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int CalculateNumEntry(const uint32_t space) {
[INFO] [stderr] cargo:warning=                                                ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:118:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:18:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::InRange(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:61:37: warning: unused parameter 'dst' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool InRange(const Slice& dst) const { return false; }
[INFO] [stderr] cargo:warning=                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h: In member function 'virtual rocksdb::Status rocksdb::TableFactory::GetOptionString(std::__cxx11::string*, const string&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:470:47: warning: unused parameter 'opt_string' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetOptionString(std::string* opt_string,
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:471:53: warning: unused parameter 'delimiter' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const std::string& delimiter) const {
[INFO] [stderr] cargo:warning=                                                     ^~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/table/table_builder.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=       uint32_t column_family_id) override {
[INFO] [stderr] cargo:warning=                ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/transaction_log.h:11:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/pinned_iterators_manager.h:12:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::__cxx11::string, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] cargo:warning=                                                                  ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/options/cf_options.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/table_builder.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                       ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:15:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::FlushWAL(bool)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:865:32: warning: unused parameter 'sync' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status FlushWAL(bool sync) {
[INFO] [stderr] cargo:warning=                                ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::SuggestCompactRange(rocksdb::ColumnFamilyHandle*, const rocksdb::Slice*, const rocksdb::Slice*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1110:58: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status SuggestCompactRange(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:51: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                   ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:71: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::PromoteL0(rocksdb::ColumnFamilyHandle*, int)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1115:48: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PromoteL0(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1116:32: warning: unused parameter 'target_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int target_level) {
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual int rocksdb::FilterBitsBuilder::CalculateNumEntry(uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:49:48: warning: unused parameter 'space' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int CalculateNumEntry(const uint32_t space) {
[INFO] [stderr] cargo:warning=                                                ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:118:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:215:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&, int)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:289:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice(),
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:290:48: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int windowBits = -14) {
[INFO] [stderr] cargo:warning=                                                ^~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            ::std::string* output) {
[INFO] [stderr] cargo:warning=                                           ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               int* decompress_size,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               uint32_t compress_format_version) {
[INFO] [stderr] cargo:warning=                                        ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, rocksdb::Slice)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                 ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:526:63: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const Slice compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                               ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                         ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:587:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             int* decompress_size,
[INFO] [stderr] cargo:warning=                                  ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:588:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                      ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:589:67: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:642:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                          ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:645:66: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                  ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                            ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:716:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   int* decompress_size) {
[INFO] [stderr] cargo:warning=        ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                                       ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:728:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:763:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:764:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h: In member function 'virtual rocksdb::Status rocksdb::TableFactory::GetOptionString(std::__cxx11::string*, const string&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:470:47: warning: unused parameter 'opt_string' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetOptionString(std::string* opt_string,
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:471:53: warning: unused parameter 'delimiter' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const std::string& delimiter) const {
[INFO] [stderr] cargo:warning=                                                     ^~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/file_reader_writer.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/table_builder.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h: In member function 'virtual void rocksdb::RateLimiter::Request(int64_t, rocksdb::Env::IOPriority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:38: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                      ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:67: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                                                   ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/pinned_iterators_manager.h:12:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_set.h:31,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:12:
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::__cxx11::string, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] cargo:warning=                                                                  ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/table/table_builder.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_set.h:31,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:12:
[INFO] [stderr] cargo:warning=rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=       uint32_t column_family_id) override {
[INFO] [stderr] cargo:warning=                ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/options/cf_options.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/format.h:18,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/filter_block.h:31,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:18,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                       ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:215:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&, int)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:289:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice(),
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:290:48: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int windowBits = -14) {
[INFO] [stderr] cargo:warning=                                                ^~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            ::std::string* output) {
[INFO] [stderr] cargo:warning=                                           ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               int* decompress_size,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               uint32_t compress_format_version) {
[INFO] [stderr] cargo:warning=                                        ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, rocksdb::Slice)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                 ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:526:63: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const Slice compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                               ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                         ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:587:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             int* decompress_size,
[INFO] [stderr] cargo:warning=                                  ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:588:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                      ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:589:67: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:642:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                          ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:645:66: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                  ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                            ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:716:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   int* decompress_size) {
[INFO] [stderr] cargo:warning=        ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                                       ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:728:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:763:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:764:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/options/cf_options.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/table_builder.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_set.h:31,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:12:
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                       ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:215:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&, int)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:289:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice(),
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:290:48: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int windowBits = -14) {
[INFO] [stderr] cargo:warning=                                                ^~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            ::std::string* output) {
[INFO] [stderr] cargo:warning=                                           ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               int* decompress_size,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               uint32_t compress_format_version) {
[INFO] [stderr] cargo:warning=                                        ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, rocksdb::Slice)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                 ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:526:63: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const Slice compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                               ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                         ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:587:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             int* decompress_size,
[INFO] [stderr] cargo:warning=                                  ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:588:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                      ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:589:67: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:642:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                          ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:645:66: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                  ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                            ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:716:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   int* decompress_size) {
[INFO] [stderr] cargo:warning=        ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                                       ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:728:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:763:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:764:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] exit code: 0
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/utilities/blob_db/blob_log_reader.o" "-c" "rocksdb/utilities/blob_db/blob_log_reader.cc"
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/file_reader_writer.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/table_builder.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_set.h:31,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:12:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h: In member function 'virtual void rocksdb::RateLimiter::Request(int64_t, rocksdb::Env::IOPriority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:38: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                      ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:67: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                                                   ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/option_change_migration.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/option_change_migration/option_change_migration.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/status.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/env.h:27,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/option_change_migration.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/option_change_migration/option_change_migration.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/file_reader_writer.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/format.h:21,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/filter_block.h:31,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:18,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h: In member function 'virtual void rocksdb::RateLimiter::Request(int64_t, rocksdb::Env::IOPriority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:38: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                      ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:67: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                                                   ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:22:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/option_change_migration.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/option_change_migration/option_change_migration.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/table/table_builder.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=       uint32_t column_family_id) override {
[INFO] [stderr] cargo:warning=                ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/table/filter_block.h:31:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.h:18,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(rocksdb::CompressionType, uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/table/format.h:75:61: warning: unused parameter 'compression_type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline uint32_t GetCompressFormatForVersion(CompressionType compression_type,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/table/full_filter_block.h:18:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/full_filter_block.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/table/filter_block.h: In member function 'virtual void rocksdb::FilterBlockReader::CacheDependencies(bool)':
[INFO] [stderr] cargo:warning=rocksdb/table/filter_block.h:117:39: warning: unused parameter 'pin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void CacheDependencies(bool pin) {}
[INFO] [stderr] cargo:warning=                                       ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/table/full_filter_block.cc:6:0:
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.h: In member function 'virtual void rocksdb::FullFilterBlockBuilder::StartBlock(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.h:46:36: warning: unused parameter 'block_offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void StartBlock(uint64_t block_offset) override {}
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/options/cf_options.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/table_builder.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                       ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:215:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&, int)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:289:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice(),
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:290:48: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int windowBits = -14) {
[INFO] [stderr] cargo:warning=                                                ^~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            ::std::string* output) {
[INFO] [stderr] cargo:warning=                                           ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               int* decompress_size,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               uint32_t compress_format_version) {
[INFO] [stderr] cargo:warning=                                        ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, rocksdb::Slice)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                 ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:526:63: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const Slice compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                               ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                         ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:587:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             int* decompress_size,
[INFO] [stderr] cargo:warning=                                  ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:588:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                      ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:589:67: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:642:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                          ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:645:66: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                  ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                            ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:716:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   int* decompress_size) {
[INFO] [stderr] cargo:warning=        ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                                       ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:728:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.cc: In member function 'virtual rocksdb::Slice rocksdb::FullFilterBlockBuilder::Finish(const rocksdb::BlockHandle&, rocksdb::Status*)':
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.cc:46:57: warning: unused parameter 'tmp' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= Slice FullFilterBlockBuilder::Finish(const BlockHandle& tmp, Status* status) {
[INFO] [stderr] cargo:warning=                                                         ^~~
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.cc: In member function 'virtual bool rocksdb::FullFilterBlockReader::KeyMayMatch(const rocksdb::Slice&, uint64_t, bool, const rocksdb::Slice*)':
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.cc:76:68: warning: unused parameter 'block_offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= bool FullFilterBlockReader::KeyMayMatch(const Slice& key, uint64_t block_offset,
[INFO] [stderr] cargo:warning=                                                                    ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.cc:77:52: warning: unused parameter 'no_io' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                         const bool no_io,
[INFO] [stderr] cargo:warning=                                                    ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.cc:78:60: warning: unused parameter 'const_ikey_ptr' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                         const Slice* const const_ikey_ptr) {
[INFO] [stderr] cargo:warning=                                                            ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.cc: In member function 'virtual bool rocksdb::FullFilterBlockReader::PrefixMayMatch(const rocksdb::Slice&, uint64_t, bool, const rocksdb::Slice*)':
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.cc:87:53: warning: unused parameter 'block_offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                            uint64_t block_offset,
[INFO] [stderr] cargo:warning=                                                     ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.cc:88:55: warning: unused parameter 'no_io' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                            const bool no_io,
[INFO] [stderr] cargo:warning=                                                       ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/full_filter_block.cc:89:63: warning: unused parameter 'const_ikey_ptr' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                            const Slice* const const_ikey_ptr) {
[INFO] [stderr] cargo:warning=                                                               ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:763:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:764:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/table_cache.h:25:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:18,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:23,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=       const ReadOptions& read_options) {
[INFO] [stderr] cargo:warning=                          ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/file_reader_writer.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/table_builder.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/memtable_list.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h: In member function 'virtual void rocksdb::RateLimiter::Request(int64_t, rocksdb::Env::IOPriority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:38: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                      ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:67: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                                                   ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/utilities/blob_db/blob_log_reader.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:23:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/option_change_migration.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/option_change_migration/option_change_migration.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:22:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:23:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/version_set.h:33:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_iterator.h:12,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:24,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/db/compaction_picker.h:266:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] cargo:warning=                                                 ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:267:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] cargo:warning=                                                      ^~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:268:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              VersionStorageInfo* vstorage,
[INFO] [stderr] cargo:warning=                                                  ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:269:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              LogBuffer* log_buffer) override {
[INFO] [stderr] cargo:warning=                                         ^~~~~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/db/compaction_picker.h:274:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] cargo:warning=                                               ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:275:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:276:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] cargo:warning=                                                ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:276:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:277:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int output_level, uint32_t output_path_id,
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:277:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int output_level, uint32_t output_path_id,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:278:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] cargo:warning=                                               ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:278:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] cargo:warning=                                                                         ^~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:279:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            InternalKey** compaction_end,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:280:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            bool* manual_conflict) override {
[INFO] [stderr] cargo:warning=                                  ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:286:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] cargo:warning=                                 ^~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/table_cache.h:25:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:18,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_set.h:31,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:12:
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=       const ReadOptions& read_options) {
[INFO] [stderr] cargo:warning=                          ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:29:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/write_buffer_manager.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/option_change_migration.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/option_change_migration/option_change_migration.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/write_buffer_manager.h:17:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/option_change_migration.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/option_change_migration/option_change_migration.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] exit code: 0
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/monitoring/thread_status_impl.o" "-c" "rocksdb/monitoring/thread_status_impl.cc"
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/compaction.h:11:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_iterator.h:12,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:24,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] cargo:warning=rocksdb/db/version_set.h:797:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] cargo:warning=                                    ^~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/option_change_migration/option_change_migration.cc:9:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h:54:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:29:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/write_buffer_manager.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/write_buffer_manager.h:17:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/transaction_log.h:11:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/option_change_migration/option_change_migration.cc:9:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/merge_helper.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_iterator.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:24,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::Filter(int, const rocksdb::Slice&, const rocksdb::Slice&, std::__cxx11::string*, bool*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:101:27: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool Filter(int level, const Slice& key, const Slice& existing_value,
[INFO] [stderr] cargo:warning=                           ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:101:47: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool Filter(int level, const Slice& key, const Slice& existing_value,
[INFO] [stderr] cargo:warning=                                               ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:101:65: warning: unused parameter 'existing_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool Filter(int level, const Slice& key, const Slice& existing_value,
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:102:36: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                       std::string* new_value, bool* value_changed) const {
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:102:53: warning: unused parameter 'value_changed' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                       std::string* new_value, bool* value_changed) const {
[INFO] [stderr] cargo:warning=                                                     ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:115:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] cargo:warning=                                       ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:115:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] cargo:warning=                                                           ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:116:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                   const Slice& operand) const {
[INFO] [stderr] cargo:warning=                                                ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual rocksdb::CompactionFilter::Decision rocksdb::CompactionFilter::FilterV2(int, const rocksdb::Slice&, rocksdb::CompactionFilter::ValueType, const rocksdb::Slice&, std::__cxx11::string*, std::__cxx11::string*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:161:42: warning: unused parameter 'skip_until' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             std::string* skip_until) const {
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/compaction_job.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_impl.h:24,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/db_iter.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_iterator.h: In member function 'virtual int rocksdb::CompactionIterator::CompactionProxy::level(size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_iterator.h:34:55: warning: unused parameter 'compaction_input_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual int level(size_t compaction_input_level = 0) const {
[INFO] [stderr] cargo:warning=                                                       ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/utilities/option_change_migration/option_change_migration.cc:9:0:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::FlushWAL(bool)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:865:32: warning: unused parameter 'sync' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status FlushWAL(bool sync) {
[INFO] [stderr] cargo:warning=                                ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::SuggestCompactRange(rocksdb::ColumnFamilyHandle*, const rocksdb::Slice*, const rocksdb::Slice*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1110:58: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status SuggestCompactRange(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:51: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                   ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:71: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::PromoteL0(rocksdb::ColumnFamilyHandle*, int)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1115:48: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PromoteL0(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1116:32: warning: unused parameter 'target_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int target_level) {
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/file_reader_writer.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_reader.cc:12:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h: In member function 'virtual void rocksdb::RateLimiter::Request(int64_t, rocksdb::Env::IOPriority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:38: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                      ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:67: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                                                   ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/table_cache.h:25:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/column_family.h:18,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h: In member function 'virtual rocksdb::InternalIterator* rocksdb::TableReader::NewRangeTombstoneIterator(const rocksdb::ReadOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h:46:26: warning: unused parameter 'read_options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=       const ReadOptions& read_options) {
[INFO] [stderr] cargo:warning=                          ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h: In member function 'virtual void rocksdb::TableReader::Prepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h:65:37: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Prepare(const Slice& target) {}
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h: In member function 'virtual rocksdb::Status rocksdb::TableReader::DumpTable(rocksdb::WritableFile*)':
[INFO] [stderr] cargo:warning=rocksdb/table/table_reader.h:97:42: warning: unused parameter 'out_file' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status DumpTable(WritableFile* out_file) {
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/version_set.h:33:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/version_edit.cc:12:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/db/compaction_picker.h:266:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] cargo:warning=                                                 ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:267:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] cargo:warning=                                                      ^~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:268:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              VersionStorageInfo* vstorage,
[INFO] [stderr] cargo:warning=                                                  ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:269:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              LogBuffer* log_buffer) override {
[INFO] [stderr] cargo:warning=                                         ^~~~~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/db/compaction_picker.h:274:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] cargo:warning=                                               ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:275:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:276:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] cargo:warning=                                                ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:276:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:277:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int output_level, uint32_t output_path_id,
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:277:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int output_level, uint32_t output_path_id,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:278:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] cargo:warning=                                               ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:278:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] cargo:warning=                                                                         ^~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:279:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            InternalKey** compaction_end,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:280:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            bool* manual_conflict) override {
[INFO] [stderr] cargo:warning=                                  ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:286:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] cargo:warning=                                 ^~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/db_iter.cc:21:0:
[INFO] [stderr] cargo:warning=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::__cxx11::string*, rocksdb::Logger*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:69:39: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool FullMerge(const Slice& key,
[INFO] [stderr] cargo:warning=                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:70:39: warning: unused parameter 'existing_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const Slice* existing_value,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:71:57: warning: unused parameter 'operand_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const std::deque<std::string>& operand_list,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:72:39: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          std::string* new_value,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:73:34: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          Logger* logger) const {
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h: In member function 'virtual bool rocksdb::MergeOperator::PartialMerge(const rocksdb::Slice&, const rocksdb::Slice&, const rocksdb::Slice&, std::__cxx11::string*, rocksdb::Logger*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:148:42: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] cargo:warning=                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:148:60: warning: unused parameter 'left_operand' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:149:42: warning: unused parameter 'right_operand' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:149:70: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:150:37: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             Logger* logger) const {
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] exit code: 0
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/env/io_posix.o" "-c" "rocksdb/env/io_posix.cc"
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/version_edit.cc:12:0:
[INFO] [stderr] cargo:warning=rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] cargo:warning=rocksdb/db/version_set.h:797:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] cargo:warning=                                    ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/version_edit.cc: In member function 'bool rocksdb::VersionEdit::GetLevel(rocksdb::Slice*, int*, const char**)':
[INFO] [stderr] cargo:warning=rocksdb/db/version_edit.cc:201:67: warning: unused parameter 'msg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= bool VersionEdit::GetLevel(Slice* input, int* level, const char** msg) {
[INFO] [stderr] cargo:warning=                                                                   ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/version_set.h:33:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_iterator.h:12,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/db/compaction_picker.h:266:49: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   Compaction* PickCompaction(const std::string& cf_name,
[INFO] [stderr] cargo:warning=                                                 ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:267:54: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] cargo:warning=                                                      ^~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:268:50: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              VersionStorageInfo* vstorage,
[INFO] [stderr] cargo:warning=                                                  ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:269:41: warning: unused parameter 'log_buffer' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              LogBuffer* log_buffer) override {
[INFO] [stderr] cargo:warning=                                         ^~~~~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/db/compaction_picker.h:274:47: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   Compaction* CompactRange(const std::string& cf_name,
[INFO] [stderr] cargo:warning=                                               ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:275:52: warning: unused parameter 'mutable_cf_options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const MutableCFOptions& mutable_cf_options,
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:276:48: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] cargo:warning=                                                ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:276:62: warning: unused parameter 'input_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            VersionStorageInfo* vstorage, int input_level,
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:277:32: warning: unused parameter 'output_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int output_level, uint32_t output_path_id,
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:277:55: warning: unused parameter 'output_path_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int output_level, uint32_t output_path_id,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:278:47: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] cargo:warning=                                               ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:278:73: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const InternalKey* begin, const InternalKey* end,
[INFO] [stderr] cargo:warning=                                                                         ^~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:279:42: warning: unused parameter 'compaction_end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            InternalKey** compaction_end,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:280:34: warning: unused parameter 'manual_conflict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            bool* manual_conflict) override {
[INFO] [stderr] cargo:warning=                                  ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h: In member function 'virtual bool rocksdb::NullCompactionPicker::NeedsCompaction(const rocksdb::VersionStorageInfo*) const':
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_picker.h:286:33: warning: unused parameter 'vstorage' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=       const VersionStorageInfo* vstorage) const override {
[INFO] [stderr] cargo:warning=                                 ^~~~~~~~
[INFO] [stderr] exit code: 0
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/table/get_context.o" "-c" "rocksdb/table/get_context.cc"
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/compaction.h:11:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_iterator.h:12,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/db/version_set.h: In member function 'virtual void rocksdb::VersionSet::LogReporter::Corruption(size_t, const rocksdb::Status&)':
[INFO] [stderr] cargo:warning=rocksdb/db/version_set.h:797:36: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual void Corruption(size_t bytes, const Status& s) override {
[INFO] [stderr] cargo:warning=                                    ^~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/merge_helper.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_iterator.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.h:21,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::Filter(int, const rocksdb::Slice&, const rocksdb::Slice&, std::__cxx11::string*, bool*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:101:27: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool Filter(int level, const Slice& key, const Slice& existing_value,
[INFO] [stderr] cargo:warning=                           ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:101:47: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool Filter(int level, const Slice& key, const Slice& existing_value,
[INFO] [stderr] cargo:warning=                                               ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:101:65: warning: unused parameter 'existing_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool Filter(int level, const Slice& key, const Slice& existing_value,
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:102:36: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                       std::string* new_value, bool* value_changed) const {
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:102:53: warning: unused parameter 'value_changed' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                       std::string* new_value, bool* value_changed) const {
[INFO] [stderr] cargo:warning=                                                     ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:115:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] cargo:warning=                                       ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:115:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] cargo:warning=                                                           ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:116:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                   const Slice& operand) const {
[INFO] [stderr] cargo:warning=                                                ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual rocksdb::CompactionFilter::Decision rocksdb::CompactionFilter::FilterV2(int, const rocksdb::Slice&, rocksdb::CompactionFilter::ValueType, const rocksdb::Slice&, std::__cxx11::string*, std::__cxx11::string*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:161:42: warning: unused parameter 'skip_until' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             std::string* skip_until) const {
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/compaction_job.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_iterator.h: In member function 'virtual int rocksdb::CompactionIterator::CompactionProxy::level(size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/db/compaction_iterator.h:34:55: warning: unused parameter 'compaction_input_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual int level(size_t compaction_input_level = 0) const {
[INFO] [stderr] cargo:warning=                                                       ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/status.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/env.h:27,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_impl.cc:9:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/monitoring/thread_status_impl.cc:9:0:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/table/block.h:32:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/compaction_job.cc:48:
[INFO] [stderr] cargo:warning=rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(rocksdb::CompressionType, uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/table/format.h:75:61: warning: unused parameter 'compression_type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline uint32_t GetCompressFormatForVersion(CompressionType compression_type,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc: In static member function 'static const string& rocksdb::ThreadStatus::GetThreadTypeName(rocksdb::ThreadStatus::ThreadType)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc:124:30: warning: unused parameter 'thread_type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     ThreadStatus::ThreadType thread_type) {
[INFO] [stderr] cargo:warning=                              ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc: In static member function 'static const string& rocksdb::ThreadStatus::GetOperationName(rocksdb::ThreadStatus::OperationType)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc:130:33: warning: unused parameter 'op_type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     ThreadStatus::OperationType op_type) {
[INFO] [stderr] cargo:warning=                                 ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc: In static member function 'static const string& rocksdb::ThreadStatus::GetOperationStageName(rocksdb::ThreadStatus::OperationStage)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc:136:34: warning: unused parameter 'stage' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     ThreadStatus::OperationStage stage) {
[INFO] [stderr] cargo:warning=                                  ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc: In static member function 'static const string& rocksdb::ThreadStatus::GetStateName(rocksdb::ThreadStatus::StateType)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc:142:29: warning: unused parameter 'state_type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     ThreadStatus::StateType state_type) {
[INFO] [stderr] cargo:warning=                             ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc: In static member function 'static const string rocksdb::ThreadStatus::MicrosToString(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc:148:14: warning: unused parameter 'op_elapsed_time' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     uint64_t op_elapsed_time) {
[INFO] [stderr] cargo:warning=              ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc: In static member function 'static const string& rocksdb::ThreadStatus::GetOperationPropertyName(rocksdb::ThreadStatus::OperationType, int)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc:154:33: warning: unused parameter 'op_type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     ThreadStatus::OperationType op_type, int i) {
[INFO] [stderr] cargo:warning=                                 ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc:154:46: warning: unused parameter 'i' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     ThreadStatus::OperationType op_type, int i) {
[INFO] [stderr] cargo:warning=                                              ^
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc: In static member function 'static std::map<std::__cxx11::basic_string<char>, long unsigned int> rocksdb::ThreadStatus::InterpretOperationProperties(rocksdb::ThreadStatus::OperationType, const uint64_t*)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc:161:33: warning: unused parameter 'op_type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     ThreadStatus::OperationType op_type,
[INFO] [stderr] cargo:warning=                                 ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_impl.cc:162:21: warning: unused parameter 'op_properties' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     const uint64_t* op_properties) {
[INFO] [stderr] cargo:warning=                     ^~~~~~~~~~~~~
[INFO] [stderr] exit code: 0
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/monitoring/thread_status_updater.o" "-c" "rocksdb/monitoring/thread_status_updater.cc"
[INFO] [stderr] exit code: 0
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/utilities/blob_db/blob_log_writer.o" "-c" "rocksdb/utilities/blob_db/blob_log_writer.cc"
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/status.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/env.h:27,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/io_posix.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/io_posix.cc:11:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] exit code: 0
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/utilities/options/options_util.o" "-c" "rocksdb/utilities/options/options_util.cc"
[INFO] [stderr] cargo:warning=In file included from rocksdb/env/io_posix.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/io_posix.cc:11:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/env/io_posix.cc:11:0:
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.h: In member function 'virtual rocksdb::Status rocksdb::PosixMmapFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.h:204:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) override { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/iterator.h:24:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h:54:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:20:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:22:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/status.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_updater.h:39,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_updater.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/monitoring/thread_status_updater.cc:9:0:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc: In member function 'void rocksdb::ThreadStatusUpdater::RegisterThread(rocksdb::ThreadStatus::ThreadType, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:296:30: warning: unused parameter 'ttype' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     ThreadStatus::ThreadType ttype, uint64_t thread_id) {
[INFO] [stderr] cargo:warning=                              ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:296:46: warning: unused parameter 'thread_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     ThreadStatus::ThreadType ttype, uint64_t thread_id) {
[INFO] [stderr] cargo:warning=                                              ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc: In member function 'void rocksdb::ThreadStatusUpdater::SetColumnFamilyInfoKey(const void*)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:306:17: warning: unused parameter 'cf_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     const void* cf_key) {
[INFO] [stderr] cargo:warning=                 ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc: In member function 'void rocksdb::ThreadStatusUpdater::SetThreadOperation(rocksdb::ThreadStatus::OperationType)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:310:39: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     const ThreadStatus::OperationType type) {
[INFO] [stderr] cargo:warning=                                       ^~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc: In member function 'void rocksdb::ThreadStatusUpdater::SetThreadState(rocksdb::ThreadStatus::StateType)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:317:35: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     const ThreadStatus::StateType type) {
[INFO] [stderr] cargo:warning=                                   ^~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc: In member function 'rocksdb::Status rocksdb::ThreadStatusUpdater::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:324:32: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc: In member function 'void rocksdb::ThreadStatusUpdater::NewColumnFamilyInfo(const void*, const string&, const void*, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:330:17: warning: unused parameter 'db_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     const void* db_key, const std::string& db_name,
[INFO] [stderr] cargo:warning=                 ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:330:44: warning: unused parameter 'db_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     const void* db_key, const std::string& db_name,
[INFO] [stderr] cargo:warning=                                            ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:331:17: warning: unused parameter 'cf_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     const void* cf_key, const std::string& cf_name) {
[INFO] [stderr] cargo:warning=                 ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:331:44: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     const void* cf_key, const std::string& cf_name) {
[INFO] [stderr] cargo:warning=                                            ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc: In member function 'void rocksdb::ThreadStatusUpdater::EraseColumnFamilyInfo(const void*)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:334:61: warning: unused parameter 'cf_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= void ThreadStatusUpdater::EraseColumnFamilyInfo(const void* cf_key) {
[INFO] [stderr] cargo:warning=                                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc: In member function 'void rocksdb::ThreadStatusUpdater::EraseDatabaseInfo(const void*)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:337:57: warning: unused parameter 'db_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= void ThreadStatusUpdater::EraseDatabaseInfo(const void* db_key) {
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc: In member function 'void rocksdb::ThreadStatusUpdater::SetThreadOperationProperty(int, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:341:9: warning: unused parameter 'i' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     int i, uint64_t value) {
[INFO] [stderr] cargo:warning=         ^
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:341:21: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     int i, uint64_t value) {
[INFO] [stderr] cargo:warning=                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc: In member function 'void rocksdb::ThreadStatusUpdater::IncreaseThreadOperationProperty(int, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:345:9: warning: unused parameter 'i' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     int i, uint64_t delta) {
[INFO] [stderr] cargo:warning=         ^
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_updater.cc:345:21: warning: unused parameter 'delta' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     int i, uint64_t delta) {
[INFO] [stderr] cargo:warning=                     ^~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:29:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/write_buffer_manager.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/write_buffer_manager.h:17:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/transaction_log.h:11:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/dbformat.h:15,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/monitoring/statistics.h:7:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/util/stop_watch.h:7,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/perf_step_timer.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/iostats_context_imp.h:7,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/posix_logger.h:27,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/io_posix.cc:30:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/iterator.h:24:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:19,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h:54:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] exit code: 0
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/monitoring/thread_status_util.o" "-c" "rocksdb/monitoring/thread_status_util.cc"
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:15:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::FlushWAL(bool)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:865:32: warning: unused parameter 'sync' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status FlushWAL(bool sync) {
[INFO] [stderr] cargo:warning=                                ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/utilities/blob_db/blob_log_writer.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.cc:7:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:20:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::SuggestCompactRange(rocksdb::ColumnFamilyHandle*, const rocksdb::Slice*, const rocksdb::Slice*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1110:58: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status SuggestCompactRange(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:51: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                   ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:71: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::PromoteL0(rocksdb::ColumnFamilyHandle*, int)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1115:48: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PromoteL0(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1116:32: warning: unused parameter 'target_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int target_level) {
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual int rocksdb::FilterBitsBuilder::CalculateNumEntry(uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:49:48: warning: unused parameter 'space' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int CalculateNumEntry(const uint32_t space) {
[INFO] [stderr] cargo:warning=                                                ^~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:22:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:118:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:18:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::InRange(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:61:37: warning: unused parameter 'dst' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool InRange(const Slice& dst) const { return false; }
[INFO] [stderr] cargo:warning=                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/merge_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:8,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h: In member function 'virtual rocksdb::Status rocksdb::TableFactory::GetOptionString(std::__cxx11::string*, const string&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:470:47: warning: unused parameter 'opt_string' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetOptionString(std::string* opt_string,
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:471:53: warning: unused parameter 'delimiter' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const std::string& delimiter) const {
[INFO] [stderr] cargo:warning=                                                     ^~~~~~~~~
[INFO] [stderr] cargo:warning=c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] cargo:warning=Please submit a full bug report,
[INFO] [stderr] cargo:warning=with preprocessed source if appropriate.
[INFO] [stderr] cargo:warning=See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
[INFO] [stderr] exit code: 4
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.cc:7:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:29:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/write_buffer_manager.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/write_buffer_manager.h:17:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:22:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.cc:7:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/coding.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/env/io_posix.cc:34:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/pinned_iterators_manager.h:12:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h: In member function 'virtual void rocksdb::InternalIterator::SetPinnedItersMgr(rocksdb::PinnedIteratorsManager*)':
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:77:58: warning: unused parameter 'pinned_iters_mgr' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SetPinnedItersMgr(PinnedIteratorsManager* pinned_iters_mgr) {}
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h: In member function 'virtual rocksdb::Status rocksdb::InternalIterator::GetProperty(std::__cxx11::string, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:94:42: warning: unused parameter 'prop_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/internal_iterator.h:94:66: warning: unused parameter 'prop' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetProperty(std::string prop_name, std::string* prop) {
[INFO] [stderr] cargo:warning=                                                                  ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:23:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.cc:7:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/transaction_log.h:11:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/utilities/options_util.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/utilities/options_util.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:8:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::FlushWAL(bool)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:865:32: warning: unused parameter 'sync' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status FlushWAL(bool sync) {
[INFO] [stderr] cargo:warning=                                ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::SuggestCompactRange(rocksdb::ColumnFamilyHandle*, const rocksdb::Slice*, const rocksdb::Slice*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1110:58: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status SuggestCompactRange(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:51: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                   ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:71: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::PromoteL0(rocksdb::ColumnFamilyHandle*, int)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1115:48: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PromoteL0(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1116:32: warning: unused parameter 'target_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int target_level) {
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/options/cf_options.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/options/options_helper.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/options/options_parser.h:12,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual int rocksdb::FilterBitsBuilder::CalculateNumEntry(uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:49:48: warning: unused parameter 'space' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int CalculateNumEntry(const uint32_t space) {
[INFO] [stderr] cargo:warning=                                                ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h: In member function 'virtual rocksdb::FilterBitsReader* rocksdb::FilterPolicy::GetFilterBitsReader(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/filter_policy.h:118:62: warning: unused parameter 'contents' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual FilterBitsReader* GetFilterBitsReader(const Slice& contents) const {
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:18:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/options/cf_options.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/options/options_helper.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/options/options_parser.h:12,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::InRange(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:61:37: warning: unused parameter 'dst' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool InRange(const Slice& dst) const { return false; }
[INFO] [stderr] cargo:warning=                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h: In member function 'virtual bool rocksdb::SliceTransform::SameResultWhenAppended(const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice_transform.h:86:52: warning: unused parameter 'prefix' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool SameResultWhenAppended(const Slice& prefix) const {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/dbformat.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/options/cf_options.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/options/options_helper.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/options/options_parser.h:12,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h: In member function 'virtual rocksdb::Status rocksdb::TableFactory::GetOptionString(std::__cxx11::string*, const string&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:470:47: warning: unused parameter 'opt_string' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetOptionString(std::string* opt_string,
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/table.h:471:53: warning: unused parameter 'delimiter' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const std::string& delimiter) const {
[INFO] [stderr] cargo:warning=                                                     ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.cc: In constructor 'rocksdb::PosixMmapReadableFile::PosixMmapReadableFile(int, const string&, void*, size_t, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.cc:430:64: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                              const EnvOptions& options)
[INFO] [stderr] cargo:warning=                                                                ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.cc: In member function 'virtual rocksdb::Status rocksdb::PosixMmapReadableFile::Read(uint64_t, size_t, rocksdb::Slice*, char*) const':
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.cc:446:42: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                    char* scratch) const {
[INFO] [stderr] cargo:warning=                                          ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.cc: In constructor 'rocksdb::PosixMmapFile::PosixMmapFile(const string&, int, size_t, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.cc:557:48: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const EnvOptions& options)
[INFO] [stderr] cargo:warning=                                                ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.cc: In constructor 'rocksdb::PosixRandomRWFile::PosixRandomRWFile(const string&, int, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/env/io_posix.cc:925:56: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const EnvOptions& options)
[INFO] [stderr] cargo:warning=                                                        ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/table/table_builder.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/db/table_properties_collector.h: In member function 'virtual rocksdb::IntTblPropCollector* rocksdb::InternalKeyPropertiesCollectorFactory::CreateIntTblPropCollector(uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/db/table_properties_collector.h:76:16: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=       uint32_t column_family_id) override {
[INFO] [stderr] cargo:warning=                ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/options/cf_options.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/table_builder.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                       ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:215:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&, int)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:289:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice(),
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:290:48: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int windowBits = -14) {
[INFO] [stderr] cargo:warning=                                                ^~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            ::std::string* output) {
[INFO] [stderr] cargo:warning=                                           ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               int* decompress_size,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               uint32_t compress_format_version) {
[INFO] [stderr] cargo:warning=                                        ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, rocksdb::Slice)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                 ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:526:63: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const Slice compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                               ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                         ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:587:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             int* decompress_size,
[INFO] [stderr] cargo:warning=                                  ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:588:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                      ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:589:67: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:642:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                          ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:645:66: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                  ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                            ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:716:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   int* decompress_size) {
[INFO] [stderr] cargo:warning=        ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                                       ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:728:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:763:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:764:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/file_reader_writer.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/table_builder.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/db/range_del_aggregator.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:9,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h: In member function 'virtual void rocksdb::RateLimiter::Request(int64_t, rocksdb::Env::IOPriority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:38: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                      ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:67: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                                                   ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:29:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/write_buffer_manager.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.cc:7:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/write_buffer_manager.h:17:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_format.h:14,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.h:16,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.cc:7:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/options/cf_options.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/options/options_helper.h:13,
[INFO] [stderr] cargo:warning=                 from rocksdb/options/options_parser.h:12,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/options/options_util.cc:10:
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Snappy_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:154:55: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Snappy_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                       ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::Zlib_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:212:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool Zlib_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:36: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:213:73: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:214:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:215:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::Zlib_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&, int)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:286:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* Zlib_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:287:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:288:39: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:289:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice(),
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:290:48: warning: unused parameter 'windowBits' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int windowBits = -14) {
[INFO] [stderr] cargo:warning=                                                ^~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::BZip2_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:384:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool BZip2_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:385:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:40: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:386:54: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const char* input, size_t length,
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:387:43: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            ::std::string* output) {
[INFO] [stderr] cargo:warning=                                           ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::BZip2_Uncompress(const char*, size_t, int*, uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:43: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:442:62: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* BZip2_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                              ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:443:36: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               int* decompress_size,
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:444:40: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                               uint32_t compress_format_version) {
[INFO] [stderr] cargo:warning=                                        ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, rocksdb::Slice)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:523:52: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:35: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:524:72: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:33: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                 ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:525:56: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:526:63: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const Slice compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                               ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::LZ4_Uncompress(const char*, size_t, int*, uint32_t, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:41: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                         ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:586:60: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* LZ4_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:587:34: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             int* decompress_size,
[INFO] [stderr] cargo:warning=                                  ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:588:38: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             uint32_t compress_format_version,
[INFO] [stderr] cargo:warning=                                      ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:589:67: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::LZ4HC_Compress(const rocksdb::CompressionOptions&, uint32_t, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:642:54: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool LZ4HC_Compress(const CompressionOptions& opts,
[INFO] [stderr] cargo:warning=                                                      ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:37: warning: unused parameter 'compress_format_version' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                     ^~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:643:74: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            uint32_t compress_format_version, const char* input,
[INFO] [stderr] cargo:warning=                                                                          ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:35: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:644:58: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:645:66: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                  ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::XPRESS_Compress(const char*, size_t, std::__cxx11::string*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:41: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                         ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:55: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:708:76: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool XPRESS_Compress(const char* input, size_t length, std::string* output) {
[INFO] [stderr] cargo:warning=                                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::XPRESS_Uncompress(const char*, size_t, int*)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:44: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                            ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:715:63: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* XPRESS_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:716:8: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   int* decompress_size) {
[INFO] [stderr] cargo:warning=        ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'bool rocksdb::ZSTD_Compress(const rocksdb::CompressionOptions&, const char*, size_t, std::__cxx11::string*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:53: warning: unused parameter 'opts' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                     ^~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:726:71: warning: unused parameter 'input' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline bool ZSTD_Compress(const CompressionOptions& opts, const char* input,
[INFO] [stderr] cargo:warning=                                                                       ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:34: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:727:57: warning: unused parameter 'output' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           size_t length, ::std::string* output,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:728:65: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                           const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                 ^
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h: In function 'char* rocksdb::ZSTD_Uncompress(const char*, size_t, int*, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:42: warning: unused parameter 'input_data' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:762:61: warning: unused parameter 'input_length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline char* ZSTD_Uncompress(const char* input_data, size_t input_length,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:763:35: warning: unused parameter 'decompress_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              int* decompress_size,
[INFO] [stderr] cargo:warning=                                   ^~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/util/compression.h:764:68: warning: unused parameter 'compression_dict' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                              const Slice& compression_dict = Slice()) {
[INFO] [stderr] cargo:warning=                                                                    ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/coding.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.cc:12:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/util/file_reader_writer.h:14:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/utilities/blob_db/blob_log_writer.cc:13:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h: In member function 'virtual void rocksdb::RateLimiter::Request(int64_t, rocksdb::Env::IOPriority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:38: warning: unused parameter 'bytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                      ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/rate_limiter.h:48:67: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Request(const int64_t bytes, const Env::IOPriority pri) {
[INFO] [stderr] cargo:warning=                                                                   ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/status.h:21:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_updater.h:39,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.h:10,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h: In member function 'void rocksdb::PinnableSlice::remove_prefix(size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/slice.h:180:29: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   void remove_prefix(size_t n) {
[INFO] [stderr] cargo:warning=                             ^
[INFO] [stderr] cargo:warning=In file included from rocksdb/table/block.h:32:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.h:12,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/table/format.h: In function 'uint32_t rocksdb::GetCompressFormatForVersion(rocksdb::CompressionType, uint32_t)':
[INFO] [stderr] cargo:warning=rocksdb/table/format.h:75:61: warning: unused parameter 'compression_type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= inline uint32_t GetCompressFormatForVersion(CompressionType compression_type,
[INFO] [stderr] cargo:warning=                                                             ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:19:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h: In member function 'virtual void rocksdb::Iterator::SeekForPrev(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/iterator.h:54:41: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void SeekForPrev(const Slice& target) {}
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/db/merge_helper.h:16:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/table/get_context.cc:7:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::Filter(int, const rocksdb::Slice&, const rocksdb::Slice&, std::__cxx11::string*, bool*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:101:27: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool Filter(int level, const Slice& key, const Slice& existing_value,
[INFO] [stderr] cargo:warning=                           ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:101:47: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool Filter(int level, const Slice& key, const Slice& existing_value,
[INFO] [stderr] cargo:warning=                                               ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:101:65: warning: unused parameter 'existing_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool Filter(int level, const Slice& key, const Slice& existing_value,
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:102:36: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                       std::string* new_value, bool* value_changed) const {
[INFO] [stderr] cargo:warning=                                    ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:102:53: warning: unused parameter 'value_changed' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                       std::string* new_value, bool* value_changed) const {
[INFO] [stderr] cargo:warning=                                                     ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual bool rocksdb::CompactionFilter::FilterMergeOperand(int, const rocksdb::Slice&, const rocksdb::Slice&) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:115:39: warning: unused parameter 'level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] cargo:warning=                                       ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:115:59: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool FilterMergeOperand(int level, const Slice& key,
[INFO] [stderr] cargo:warning=                                                           ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:116:48: warning: unused parameter 'operand' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                   const Slice& operand) const {
[INFO] [stderr] cargo:warning=                                                ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h: In member function 'virtual rocksdb::CompactionFilter::Decision rocksdb::CompactionFilter::FilterV2(int, const rocksdb::Slice&, rocksdb::CompactionFilter::ValueType, const rocksdb::Slice&, std::__cxx11::string*, std::__cxx11::string*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/compaction_filter.h:161:42: warning: unused parameter 'skip_until' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             std::string* skip_until) const {
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/table/get_context.cc:13:0:
[INFO] [stderr] cargo:warning=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::__cxx11::string*, rocksdb::Logger*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:69:39: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool FullMerge(const Slice& key,
[INFO] [stderr] cargo:warning=                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:70:39: warning: unused parameter 'existing_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const Slice* existing_value,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:71:57: warning: unused parameter 'operand_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          const std::deque<std::string>& operand_list,
[INFO] [stderr] cargo:warning=                                                         ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:72:39: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          std::string* new_value,
[INFO] [stderr] cargo:warning=                                       ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:73:34: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                          Logger* logger) const {
[INFO] [stderr] cargo:warning=                                  ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h: In member function 'virtual bool rocksdb::MergeOperator::PartialMerge(const rocksdb::Slice&, const rocksdb::Slice&, const rocksdb::Slice&, std::__cxx11::string*, rocksdb::Logger*) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:148:42: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] cargo:warning=                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:148:60: warning: unused parameter 'left_operand' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual bool PartialMerge(const Slice& key, const Slice& left_operand,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:149:42: warning: unused parameter 'right_operand' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] cargo:warning=                                          ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:149:70: warning: unused parameter 'new_value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             const Slice& right_operand, std::string* new_value,
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/merge_operator.h:150:37: warning: unused parameter 'logger' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                             Logger* logger) const {
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/table/get_context.cc: In member function 'void rocksdb::GetContext::SaveValue(const rocksdb::Slice&, rocksdb::SequenceNumber)':
[INFO] [stderr] cargo:warning=rocksdb/table/get_context.cc:75:63: warning: unused parameter 'seq' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= void GetContext::SaveValue(const Slice& value, SequenceNumber seq) {
[INFO] [stderr] cargo:warning=                                                               ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/db.h:20:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h: In member function 'virtual void rocksdb::EventListener::OnColumnFamilyHandleDeletionStarted(rocksdb::ColumnFamilyHandle*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/listener.h:349:72: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void OnColumnFamilyHandleDeletionStarted(ColumnFamilyHandle* handle) {
[INFO] [stderr] cargo:warning=                                                                        ^~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/advanced_options.h:13:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:20,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertWithHint(rocksdb::KeyHandle, void**)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:92:56: warning: unused parameter 'hint' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertWithHint(KeyHandle handle, void** hint) {
[INFO] [stderr] cargo:warning=                                                        ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual void rocksdb::MemTableRep::InsertConcurrently(rocksdb::KeyHandle)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:99:45: warning: unused parameter 'handle' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void InsertConcurrently(KeyHandle handle) {
[INFO] [stderr] cargo:warning=                                             ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h: In member function 'virtual uint64_t rocksdb::MemTableRep::ApproximateNumEntries(const rocksdb::Slice&, const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:131:55: warning: unused parameter 'start_ikey' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual uint64_t ApproximateNumEntries(const Slice& start_ikey,
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/memtablerep.h:132:55: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                          const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/options.h:22:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::ReopenWritableFile(const string&, std::unique_ptr<rocksdb::WritableFile>*, const rocksdb::EnvOptions&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:173:56: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status ReopenWritableFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:174:63: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     unique_ptr<WritableFile>* result,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:175:55: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                     const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/env.h:190:53: warning: unused parameter 'fname' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status NewRandomRWFile(const std::string& fname,
[INFO] [stderr] cargo:warning=                                                     ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:191:60: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  unique_ptr<RandomRWFile>* result,
[INFO] [stderr] cargo:warning=                                                            ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:192:52: warning: unused parameter 'options' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const EnvOptions& options) {
[INFO] [stderr] cargo:warning=                                                    ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::LinkFile(const string&, const string&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:46: warning: unused parameter 'src' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:260:70: warning: unused parameter 'target' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status LinkFile(const std::string& src, const std::string& target) {
[INFO] [stderr] cargo:warning=                                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual int rocksdb::Env::UnSchedule(void*, rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:32: warning: unused parameter 'arg' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:311:46: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual int UnSchedule(void* arg, Priority pri) { return 0; }
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual unsigned int rocksdb::Env::GetThreadPoolQueueLen(rocksdb::Env::Priority) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:321:61: warning: unused parameter 'pri' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual unsigned int GetThreadPoolQueueLen(Priority pri = LOW) const {
[INFO] [stderr] cargo:warning=                                                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::Env::LowerThreadPoolIOPriority(rocksdb::Env::Priority)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:375:58: warning: unused parameter 'pool' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void LowerThreadPoolIOPriority(Priority pool = LOW) {}
[INFO] [stderr] cargo:warning=                                                          ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::Env::GetThreadList(std::vector<rocksdb::ThreadStatus>*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:419:59: warning: unused parameter 'thread_list' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status GetThreadList(std::vector<ThreadStatus>* thread_list) {
[INFO] [stderr] cargo:warning=                                                           ^~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:485:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::SequentialFile::PositionedRead(uint64_t, size_t, rocksdb::Slice*, char*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:42: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                          ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:57: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                         ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:491:67: warning: unused parameter 'result' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PositionedRead(uint64_t offset, size_t n, Slice* result,
[INFO] [stderr] cargo:warning=                                                                   ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:492:39: warning: unused parameter 'scratch' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                 char* scratch) {
[INFO] [stderr] cargo:warning=                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::Prefetch(uint64_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:518:51: warning: unused parameter 'n' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Prefetch(uint64_t offset, size_t n) {
[INFO] [stderr] cargo:warning=                                                   ^
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::RandomAccessFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:537:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual void rocksdb::RandomAccessFile::Hint(rocksdb::RandomAccessFile::AccessPattern)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:544:35: warning: unused parameter 'pattern' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void Hint(AccessPattern pattern) {}
[INFO] [stderr] cargo:warning=                                   ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::RandomAccessFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:557:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Truncate(uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:607:36: warning: unused parameter 'size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Truncate(uint64_t size) {
[INFO] [stderr] cargo:warning=                                    ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual size_t rocksdb::WritableFile::GetUniqueId(char*, size_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:36: warning: unused parameter 'id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:671:47: warning: unused parameter 'max_size' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual size_t GetUniqueId(char* id, size_t max_size) const {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::InvalidateCache(size_t, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:41: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                         ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:679:56: warning: unused parameter 'length' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status InvalidateCache(size_t offset, size_t length) {
[INFO] [stderr] cargo:warning=                                                        ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::RangeSync(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:37: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                     ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:689:54: warning: unused parameter 'nbytes' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status RangeSync(uint64_t offset, uint64_t nbytes) { return Status::OK(); }
[INFO] [stderr] cargo:warning=                                                      ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h: In member function 'virtual rocksdb::Status rocksdb::WritableFile::Allocate(uint64_t, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:36: warning: unused parameter 'offset' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                    ^~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/env.h:716:53: warning: unused parameter 'len' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status Allocate(uint64_t offset, uint64_t len) {
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] exit code: 0
[INFO] [stderr] exit code: 0
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/cache.h:29:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/write_buffer_manager.h:17,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h: In member function 'virtual std::__cxx11::string rocksdb::Statistics::getHistogramString(uint32_t) const':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/statistics.h:451:51: warning: unused parameter 'type' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual std::string getHistogramString(uint32_t type) const { return ""; }
[INFO] [stderr] cargo:warning=                                                   ^~~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/write_buffer_manager.h:17:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/options.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:22,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h: In member function 'virtual void rocksdb::Cache::TEST_mark_as_data_block(const rocksdb::Slice&, size_t)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:53: warning: unused parameter 'key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                     ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/cache.h:192:65: warning: unused parameter 'charge' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual void TEST_mark_as_data_block(const Slice& key, size_t charge) {}
[INFO] [stderr] cargo:warning=                                                                 ^~~~~~
[INFO] [stderr] exit code: 0
[INFO] [stderr] cargo:warning=In file included from rocksdb/include/rocksdb/transaction_log.h:11:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/include/rocksdb/db.h:26,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.h:11,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.cc:6:
[INFO] [stderr] cargo:warning=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] cargo:warning=rocksdb/include/rocksdb/write_batch.h:220:43: warning: unused parameter 'column_family_id' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status DeleteRangeCF(uint32_t column_family_id,
[INFO] [stderr] cargo:warning=                                           ^~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:47: warning: unused parameter 'begin_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                               ^~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:221:71: warning: unused parameter 'end_key' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                  const Slice& begin_key, const Slice& end_key) {
[INFO] [stderr] cargo:warning=                                                                       ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkEndPrepare(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:249:48: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkEndPrepare(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkRollback(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:253:46: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkRollback(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                              ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h: In member function 'virtual rocksdb::Status rocksdb::WriteBatch::Handler::MarkCommit(const rocksdb::Slice&)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/write_batch.h:258:44: warning: unused parameter 'xid' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     virtual Status MarkCommit(const Slice& xid) {
[INFO] [stderr] cargo:warning=                                            ^~~
[INFO] [stderr] cargo:warning=In file included from rocksdb/monitoring/thread_status_util.h:11:0,
[INFO] [stderr] cargo:warning=                 from rocksdb/monitoring/thread_status_util.cc:6:
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::FlushWAL(bool)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:865:32: warning: unused parameter 'sync' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status FlushWAL(bool sync) {
[INFO] [stderr] cargo:warning=                                ^~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::SuggestCompactRange(rocksdb::ColumnFamilyHandle*, const rocksdb::Slice*, const rocksdb::Slice*)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1110:58: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status SuggestCompactRange(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                          ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:51: warning: unused parameter 'begin' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                   ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1111:71: warning: unused parameter 'end' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                      const Slice* begin, const Slice* end) {
[INFO] [stderr] cargo:warning=                                                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h: In member function 'virtual rocksdb::Status rocksdb::DB::PromoteL0(rocksdb::ColumnFamilyHandle*, int)':
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1115:48: warning: unused parameter 'column_family' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=   virtual Status PromoteL0(ColumnFamilyHandle* column_family,
[INFO] [stderr] cargo:warning=                                                ^~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/include/rocksdb/db.h:1116:32: warning: unused parameter 'target_level' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                            int target_level) {
[INFO] [stderr] cargo:warning=                                ^~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc: In static member function 'static bool rocksdb::ThreadStatusUtil::MaybeInitThreadLocalUpdater(const rocksdb::Env*)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:176:63: warning: unused parameter 'env' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= bool ThreadStatusUtil::MaybeInitThreadLocalUpdater(const Env* env) {
[INFO] [stderr] cargo:warning=                                                               ^~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc: In static member function 'static void rocksdb::ThreadStatusUtil::SetColumnFamily(const rocksdb::ColumnFamilyData*, const rocksdb::Env*, bool)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:180:64: warning: unused parameter 'cfd' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= void ThreadStatusUtil::SetColumnFamily(const ColumnFamilyData* cfd,
[INFO] [stderr] cargo:warning=                                                                ^~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:181:51: warning: unused parameter 'env' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                        const Env* env,
[INFO] [stderr] cargo:warning=                                                   ^~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:182:45: warning: unused parameter 'enable_thread_tracking' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                        bool enable_thread_tracking) {}
[INFO] [stderr] cargo:warning=                                             ^~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc: In static member function 'static void rocksdb::ThreadStatusUtil::SetThreadOperation(rocksdb::ThreadStatus::OperationType)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:184:71: warning: unused parameter 'op' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= void ThreadStatusUtil::SetThreadOperation(ThreadStatus::OperationType op) {
[INFO] [stderr] cargo:warning=                                                                       ^~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc: In static member function 'static void rocksdb::ThreadStatusUtil::SetThreadOperationProperty(int, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:188:9: warning: unused parameter 'code' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     int code, uint64_t value) {
[INFO] [stderr] cargo:warning=         ^~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:188:24: warning: unused parameter 'value' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     int code, uint64_t value) {
[INFO] [stderr] cargo:warning=                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc: In static member function 'static void rocksdb::ThreadStatusUtil::IncreaseThreadOperationProperty(int, uint64_t)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:192:9: warning: unused parameter 'code' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     int code, uint64_t delta) {
[INFO] [stderr] cargo:warning=         ^~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:192:24: warning: unused parameter 'delta' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     int code, uint64_t delta) {
[INFO] [stderr] cargo:warning=                        ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc: In static member function 'static void rocksdb::ThreadStatusUtil::SetThreadState(rocksdb::ThreadStatus::StateType)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:195:63: warning: unused parameter 'state' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= void ThreadStatusUtil::SetThreadState(ThreadStatus::StateType state) {
[INFO] [stderr] cargo:warning=                                                               ^~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc: In static member function 'static void rocksdb::ThreadStatusUtil::NewColumnFamilyInfo(const rocksdb::DB*, const rocksdb::ColumnFamilyData*, const string&, const rocksdb::Env*)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:198:54: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= void ThreadStatusUtil::NewColumnFamilyInfo(const DB* db,
[INFO] [stderr] cargo:warning=                                                      ^~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:199:68: warning: unused parameter 'cfd' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                            const ColumnFamilyData* cfd,
[INFO] [stderr] cargo:warning=                                                                    ^~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:200:63: warning: unused parameter 'cf_name' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                            const std::string& cf_name,
[INFO] [stderr] cargo:warning=                                                               ^~~~~~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:201:55: warning: unused parameter 'env' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=                                            const Env* env) {}
[INFO] [stderr] cargo:warning=                                                       ^~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc: In static member function 'static void rocksdb::ThreadStatusUtil::EraseColumnFamilyInfo(const rocksdb::ColumnFamilyData*)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:204:29: warning: unused parameter 'cfd' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     const ColumnFamilyData* cfd) {
[INFO] [stderr] cargo:warning=                             ^~~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc: In static member function 'static void rocksdb::ThreadStatusUtil::EraseDatabaseInfo(const rocksdb::DB*)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:207:52: warning: unused parameter 'db' [-Wunused-parameter]
[INFO] [stderr] cargo:warning= void ThreadStatusUtil::EraseDatabaseInfo(const DB* db) {
[INFO] [stderr] cargo:warning=                                                    ^~
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc: In constructor 'rocksdb::AutoThreadOperationStageUpdater::AutoThreadOperationStageUpdater(rocksdb::ThreadStatus::OperationStage)':
[INFO] [stderr] cargo:warning=rocksdb/monitoring/thread_status_util.cc:214:34: warning: unused parameter 'stage' [-Wunused-parameter]
[INFO] [stderr] cargo:warning=     ThreadStatus::OperationStage stage) {
[INFO] [stderr] cargo:warning=                                  ^~~~~
[INFO] [stderr] exit code: 0
[INFO] [stderr] exit code: 0
[INFO] [stderr] exit code: 0
[INFO] [stderr] exit code: 0
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr] Internal error occurred: Command "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/rocksdb-sys-bd2fa5154f029398/out/rocksdb/db/compaction_job.o" "-c" "rocksdb/db/compaction_job.cc" with args "c++" did not execute successfully (status code exit code: 4).
[INFO] [stderr] 
[INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.10/src/lib.rs:2083:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55a1d3b895fb - backtrace::backtrace::libunwind::trace::hc6a4966d389b62be
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55a1d3b895fb - backtrace::backtrace::trace_unsynchronized::h234cd6c2c95fa587
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55a1d3b895fb - std::sys_common::backtrace::_print::h2896bece16680b31
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55a1d3b895fb - std::sys_common::backtrace::print::h5f4d4b954705d426
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55a1d3b895fb - std::panicking::default_hook::{{closure}}::h3d52949e2d73c1aa
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55a1d3b892fc - std::panicking::default_hook::h4b88c02cc00064f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55a1d3b89d70 - std::panicking::rust_panic_with_hook::he5596ad1952b7279
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55a1d3b898f2 - std::panicking::continue_panic_fmt::h13f3a9aeaf0459c4
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55a1d3b8983f - std::panicking::begin_panic_fmt::h784be15fd2973b27
[INFO] [stderr]                                at src/libstd/panicking.rs:337
[INFO] [stderr]    9:     0x55a1d3ad5d86 - cc::fail::hedd3bb2dc4e9e1f3
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.10/src/lib.rs:2083
[INFO] [stderr]   10:     0x55a1d3ac2b7f - cc::Build::compile::hdefa4a9d2fd6fe09
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.10/src/lib.rs:883
[INFO] [stderr]   11:     0x55a1d3ab9893 - build_script_build::main::hab0387221b68800f
[INFO] [stderr]                                at /opt/crater/cargo-home/git/checkouts/rust-rocksdb-9e499ea8a4c2fa74/ecf06ad/rocksdb-sys/build.rs:270
[INFO] [stderr]   12:     0x55a1d3aba6e0 - std::rt::lang_start::{{closure}}::hfb24da170cf906ab
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55a1d3b89773 - std::rt::lang_start_internal::{{closure}}::h97d240c87982728f
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   14:     0x55a1d3b89773 - std::panicking::try::do_call::h657ecdd23710c935
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   15:     0x55a1d3b922fa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   16:     0x55a1d3b8a33d - std::panicking::try::h52772d620cb80373
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   17:     0x55a1d3b8a33d - std::panic::catch_unwind::hac02eb84ea8f3a3e
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   18:     0x55a1d3b8a33d - std::rt::lang_start_internal::h9fab34d7c96dfdc9
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   19:     0x55a1d3aba6b9 - std::rt::lang_start::h4736b365cea193e9
[INFO] [stderr]                                at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x55a1d3ab992a - main
[INFO] [stderr]   21:     0x7f17295b52e1 - __libc_start_main
[INFO] [stderr]   22:     0x55a1d3ab730a - _start
[INFO] [stderr]   23:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d289bb10b7989da8a942f12b9bb5b7bb0fe72a5696813e07e92a4aee975a9ea2"`
[INFO] running `"docker" "rm" "-f" "d289bb10b7989da8a942f12b9bb5b7bb0fe72a5696813e07e92a4aee975a9ea2"`
[INFO] [stdout] d289bb10b7989da8a942f12b9bb5b7bb0fe72a5696813e07e92a4aee975a9ea2