[INFO] fetching crate bitcoinleveldb-lru 0.1.16-alpha.0...
[INFO] checking bitcoinleveldb-lru-0.1.16-alpha.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bitcoinleveldb-lru 0.1.16-alpha.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate bitcoinleveldb-lru 0.1.16-alpha.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitcoinleveldb-lru 0.1.16-alpha.0
[INFO] finished tweaking crates.io crate bitcoinleveldb-lru 0.1.16-alpha.0
[INFO] tweaked toml for crates.io crate bitcoinleveldb-lru 0.1.16-alpha.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b70b142d6f9701210855ad9bdcdbe95fae1127e6a3aa5f9fcbbce0a8ea2747a6
[INFO] running `Command { std: "docker" "start" "-a" "b70b142d6f9701210855ad9bdcdbe95fae1127e6a3aa5f9fcbbce0a8ea2747a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b70b142d6f9701210855ad9bdcdbe95fae1127e6a3aa5f9fcbbce0a8ea2747a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b70b142d6f9701210855ad9bdcdbe95fae1127e6a3aa5f9fcbbce0a8ea2747a6", kill_on_drop: false }`
[INFO] [stdout] b70b142d6f9701210855ad9bdcdbe95fae1127e6a3aa5f9fcbbce0a8ea2747a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62b0cf4740f4c5dde5c34715dd7efdf019d2c2bfd23bc8c22d930e2db67fbdc1
[INFO] running `Command { std: "docker" "start" "-a" "62b0cf4740f4c5dde5c34715dd7efdf019d2c2bfd23bc8c22d930e2db67fbdc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling term-painter v0.2.4
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling cpp_common v0.5.9
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling pathdiff v0.1.0
[INFO] [stderr]    Compiling dunce v1.0.4
[INFO] [stderr]    Compiling shell-words v0.1.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling sqlite3-src v0.2.12
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling bitflags v2.4.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling cpp_build v0.5.9
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling textwrap v0.16.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling bindgen v0.60.1
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling cpp_macros v0.5.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling qttypes v0.2.11
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling qt_macros v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling qmetaobject v0.2.10
[INFO] [stderr]    Compiling libc-stdhandle v0.1.0
[INFO] [stderr]    Compiling priority-queue v1.4.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling modular-bitfield-impl v0.11.2
[INFO] [stderr]    Compiling qmetaobject_impl v0.2.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]    Compiling sqlite3-sys v0.12.0
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling cpp v0.5.9
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling cpp_core v0.6.0
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling smallvec v1.13.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling delegate v0.7.0
[INFO] [stderr]    Compiling try-catch v0.2.2
[INFO] [stderr]    Compiling ritual_common v0.4.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling raw-cpuid v10.7.0
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling ritual_build v0.4.0
[INFO] [stderr]    Compiling qt_ritual_common v0.4.0
[INFO] [stderr]    Compiling qt_ritual_build v0.5.0
[INFO] [stderr]    Compiling poison v0.1.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling modular-bitfield v0.11.2
[INFO] [stderr]    Compiling time v0.3.34
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling qt_core v0.5.0
[INFO] [stderr]    Compiling libevent-sys v0.2.6
[INFO] [stderr]    Compiling qt_gui v0.5.0
[INFO] [stderr]    Compiling quanta v0.9.3
[INFO] [stderr]    Compiling shared-mutex v0.3.1
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling serde-big-array v0.4.1
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling sqlite v0.25.3
[INFO] [stderr]    Compiling sqlite3 v0.24.0
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling pnet_sys v0.31.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling bitset v0.1.2
[INFO] [stderr]    Compiling time-point v0.1.1
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling atomic v0.5.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling multiset v0.0.5
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling const-default v1.0.0
[INFO] [stderr]    Compiling comparator v0.3.0
[INFO] [stderr]    Compiling atomic-take v1.1.0
[INFO] [stderr]    Compiling atomic_float v0.1.0
[INFO] [stderr]    Compiling libevent v0.1.0
[INFO] [stderr]     Checking bitcoin-imports v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-cfg v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoin-derive v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-slice v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-cache v0.1.16-alpha.0
[INFO] [stderr]    Compiling bitcoinleveldb-lru v0.1.16-alpha.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         key_:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         hash_: u32) -> *mut LRUHandle {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/lru_cache.rs:159:30
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn insert(&mut self, h: *mut LRUHandle) -> *mut LRUHandle {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         key_:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         hash_: u32) -> *mut LRUHandle {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         key_:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         hash_: u32) -> *mut *mut LRUHandle {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]    --> src/lru_cache.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 313 |     pub fn set_capacity(&mut self, capacity: usize)  {
[INFO] [stdout]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lru_cache.rs:345:28
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn ref_(&mut self, e: *mut LRUHandle)  {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lru_cache.rs:357:29
[INFO] [stdout]     |
[INFO] [stdout] 357 |     pub fn unref(&mut self, e: *mut LRUHandle)  {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lru_cache.rs:375:34
[INFO] [stdout]     |
[INFO] [stdout] 375 |     pub fn lru_remove(&mut self, e: *mut LRUHandle)  {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]    --> src/lru_cache.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         list: *mut LRUHandle,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lru_cache.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |         e:    *mut LRUHandle)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 399 |         key_:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:400:9
[INFO] [stdout]     |
[INFO] [stdout] 400 |         hash_: u32) -> *mut CacheHandle {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lru_cache.rs:413:31
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn release(&mut self, handle: *mut CacheHandle)  {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         key_:     &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:429:9
[INFO] [stdout]     |
[INFO] [stdout] 429 |         hash_:    u32,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lru_cache.rs:430:9
[INFO] [stdout]     |
[INFO] [stdout] 430 |         value:   *mut c_void,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `charge`
[INFO] [stdout]    --> src/lru_cache.rs:431:9
[INFO] [stdout]     |
[INFO] [stdout] 431 |         charge:  usize,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_charge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleter`
[INFO] [stdout]    --> src/lru_cache.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |         deleter: fn(key_: &Slice, value: *mut c_void) -> c_void) -> *mut CacheHandle {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lru_cache.rs:479:36
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn finish_erase(&mut self, e: *mut LRUHandle) -> bool {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         key_:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |         hash_: u32)  {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lru_cache.rs:531:33
[INFO] [stdout]     |
[INFO] [stdout] 531 |     #[inline] pub fn hash_slice(s: &Slice) -> u32 {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:539:18
[INFO] [stdout]     |
[INFO] [stdout] 539 |     pub fn shard(hash_: u32) -> u32 {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]    --> src/lru_cache.rs:547:16
[INFO] [stdout]     |
[INFO] [stdout] 547 |     pub fn new(capacity: usize) -> Self {
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:561:9
[INFO] [stdout]     |
[INFO] [stdout] 561 |         key_:     &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lru_cache.rs:562:9
[INFO] [stdout]     |
[INFO] [stdout] 562 |         value:   *mut c_void,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `charge`
[INFO] [stdout]    --> src/lru_cache.rs:563:9
[INFO] [stdout]     |
[INFO] [stdout] 563 |         charge:  usize,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_charge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleter`
[INFO] [stdout]    --> src/lru_cache.rs:564:9
[INFO] [stdout]     |
[INFO] [stdout] 564 |         deleter: fn(key_: &Slice, value: *mut c_void) -> c_void) -> *mut CacheHandle {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:573:30
[INFO] [stdout]     |
[INFO] [stdout] 573 |     pub fn lookup(&mut self, key_: &Slice) -> *mut CacheHandle {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lru_cache.rs:582:31
[INFO] [stdout]     |
[INFO] [stdout] 582 |     pub fn release(&mut self, handle: *mut CacheHandle)  {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:591:29
[INFO] [stdout]     |
[INFO] [stdout] 591 |     pub fn erase(&mut self, key_: &Slice)  {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lru_cache.rs:600:29
[INFO] [stdout]     |
[INFO] [stdout] 600 |     pub fn value(&mut self, handle: *mut CacheHandle)  {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]    --> src/lru_cache.rs:640:22
[INFO] [stdout]     |
[INFO] [stdout] 640 | pub fn new_lru_cache(capacity: usize) -> *mut Cache {
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lru_cache.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct LRUHandle {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 48 |
[INFO] [stdout] 49 |     value:      *mut c_void,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 50 |
[INFO] [stdout] 51 |     deleter:    fn(_0: &Slice, value: *mut c_void) -> c_void,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 52 |
[INFO] [stdout] 53 |     next_hash:  *mut LRUHandle,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 54 |     next:       *mut LRUHandle,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 55 |     prev:       *mut LRUHandle,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     charge:     usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 61 |
[INFO] [stdout] 62 |     key_length: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     in_cache:   bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     refs:       u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     hash:       u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     key_data:   [u8; 1],
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length`, `elems`, and `list` are never read
[INFO] [stdout]    --> src/lru_cache.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct HandleTable {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 119 |     length: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 120 |     elems:  u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 121 |     list:   *mut *mut LRUHandle,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `capacity` and `mutex` are never read
[INFO] [stdout]    --> src/lru_cache.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub struct LRUCache {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 255 |     capacity: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 261 |     mutex:    RefCell<Mutex<LRUCacheInner>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `usage`, `lru`, `in_use`, and `table` are never read
[INFO] [stdout]    --> src/lru_cache.rs:265:5
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub struct LRUCacheInner {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 265 |     usage:    usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |     lru:      LRUHandle,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 284 |     in_use:   LRUHandle,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 285 |
[INFO] [stdout] 286 |     table:    HandleTable,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `base`, `shard`, `id_mutex`, and `last_id` are never read
[INFO] [stdout]    --> src/lru_cache.rs:523:5
[INFO] [stdout]     |
[INFO] [stdout] 522 | pub struct ShardedLRUCache {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 523 |     base:     Cache,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 524 |     shard:    [LRUCache; NUM_SHARDS],
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 525 |     id_mutex: parking_lot::RawMutex,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 526 |     last_id:  u64,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_lru_cache` is never used
[INFO] [stdout]    --> src/lru_cache.rs:640:8
[INFO] [stdout]     |
[INFO] [stdout] 640 | pub fn new_lru_cache(capacity: usize) -> *mut Cache {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 42 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         key_:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         hash_: u32) -> *mut LRUHandle {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `h`
[INFO] [stdout]    --> src/lru_cache.rs:159:30
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn insert(&mut self, h: *mut LRUHandle) -> *mut LRUHandle {
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |         key_:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:181:9
[INFO] [stdout]     |
[INFO] [stdout] 181 |         hash_: u32) -> *mut LRUHandle {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:203:9
[INFO] [stdout]     |
[INFO] [stdout] 203 |         key_:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |         hash_: u32) -> *mut *mut LRUHandle {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]    --> src/lru_cache.rs:313:36
[INFO] [stdout]     |
[INFO] [stdout] 313 |     pub fn set_capacity(&mut self, capacity: usize)  {
[INFO] [stdout]     |                                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lru_cache.rs:345:28
[INFO] [stdout]     |
[INFO] [stdout] 345 |     pub fn ref_(&mut self, e: *mut LRUHandle)  {
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lru_cache.rs:357:29
[INFO] [stdout]     |
[INFO] [stdout] 357 |     pub fn unref(&mut self, e: *mut LRUHandle)  {
[INFO] [stdout]     |                             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lru_cache.rs:375:34
[INFO] [stdout]     |
[INFO] [stdout] 375 |     pub fn lru_remove(&mut self, e: *mut LRUHandle)  {
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `list`
[INFO] [stdout]    --> src/lru_cache.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         list: *mut LRUHandle,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_list`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lru_cache.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |         e:    *mut LRUHandle)  {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:399:9
[INFO] [stdout]     |
[INFO] [stdout] 399 |         key_:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:400:9
[INFO] [stdout]     |
[INFO] [stdout] 400 |         hash_: u32) -> *mut CacheHandle {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lru_cache.rs:413:31
[INFO] [stdout]     |
[INFO] [stdout] 413 |     pub fn release(&mut self, handle: *mut CacheHandle)  {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         key_:     &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:429:9
[INFO] [stdout]     |
[INFO] [stdout] 429 |         hash_:    u32,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lru_cache.rs:430:9
[INFO] [stdout]     |
[INFO] [stdout] 430 |         value:   *mut c_void,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `charge`
[INFO] [stdout]    --> src/lru_cache.rs:431:9
[INFO] [stdout]     |
[INFO] [stdout] 431 |         charge:  usize,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_charge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleter`
[INFO] [stdout]    --> src/lru_cache.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |         deleter: fn(key_: &Slice, value: *mut c_void) -> c_void) -> *mut CacheHandle {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lru_cache.rs:479:36
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn finish_erase(&mut self, e: *mut LRUHandle) -> bool {
[INFO] [stdout]     |                                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:495:9
[INFO] [stdout]     |
[INFO] [stdout] 495 |         key_:  &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |         hash_: u32)  {
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lru_cache.rs:531:33
[INFO] [stdout]     |
[INFO] [stdout] 531 |     #[inline] pub fn hash_slice(s: &Slice) -> u32 {
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash_`
[INFO] [stdout]    --> src/lru_cache.rs:539:18
[INFO] [stdout]     |
[INFO] [stdout] 539 |     pub fn shard(hash_: u32) -> u32 {
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_hash_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]    --> src/lru_cache.rs:547:16
[INFO] [stdout]     |
[INFO] [stdout] 547 |     pub fn new(capacity: usize) -> Self {
[INFO] [stdout]     |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:561:9
[INFO] [stdout]     |
[INFO] [stdout] 561 |         key_:     &Slice,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/lru_cache.rs:562:9
[INFO] [stdout]     |
[INFO] [stdout] 562 |         value:   *mut c_void,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `charge`
[INFO] [stdout]    --> src/lru_cache.rs:563:9
[INFO] [stdout]     |
[INFO] [stdout] 563 |         charge:  usize,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_charge`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `deleter`
[INFO] [stdout]    --> src/lru_cache.rs:564:9
[INFO] [stdout]     |
[INFO] [stdout] 564 |         deleter: fn(key_: &Slice, value: *mut c_void) -> c_void) -> *mut CacheHandle {
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deleter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:573:30
[INFO] [stdout]     |
[INFO] [stdout] 573 |     pub fn lookup(&mut self, key_: &Slice) -> *mut CacheHandle {
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lru_cache.rs:582:31
[INFO] [stdout]     |
[INFO] [stdout] 582 |     pub fn release(&mut self, handle: *mut CacheHandle)  {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_`
[INFO] [stdout]    --> src/lru_cache.rs:591:29
[INFO] [stdout]     |
[INFO] [stdout] 591 |     pub fn erase(&mut self, key_: &Slice)  {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_key_`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `handle`
[INFO] [stdout]    --> src/lru_cache.rs:600:29
[INFO] [stdout]     |
[INFO] [stdout] 600 |     pub fn value(&mut self, handle: *mut CacheHandle)  {
[INFO] [stdout]     |                             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `capacity`
[INFO] [stdout]    --> src/lru_cache.rs:640:22
[INFO] [stdout]     |
[INFO] [stdout] 640 | pub fn new_lru_cache(capacity: usize) -> *mut Cache {
[INFO] [stdout]     |                      ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_capacity`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/lru_cache.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct LRUHandle {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 48 |
[INFO] [stdout] 49 |     value:      *mut c_void,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 50 |
[INFO] [stdout] 51 |     deleter:    fn(_0: &Slice, value: *mut c_void) -> c_void,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 52 |
[INFO] [stdout] 53 |     next_hash:  *mut LRUHandle,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 54 |     next:       *mut LRUHandle,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 55 |     prev:       *mut LRUHandle,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |     charge:     usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 61 |
[INFO] [stdout] 62 |     key_length: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     in_cache:   bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     refs:       u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |     hash:       u32,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |     key_data:   [u8; 1],
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length`, `elems`, and `list` are never read
[INFO] [stdout]    --> src/lru_cache.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct HandleTable {
[INFO] [stdout]     |            ----------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 119 |     length: u32,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 120 |     elems:  u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 121 |     list:   *mut *mut LRUHandle,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `capacity` and `mutex` are never read
[INFO] [stdout]    --> src/lru_cache.rs:255:5
[INFO] [stdout]     |
[INFO] [stdout] 250 | pub struct LRUCache {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 255 |     capacity: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 261 |     mutex:    RefCell<Mutex<LRUCacheInner>>,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `usage`, `lru`, `in_use`, and `table` are never read
[INFO] [stdout]    --> src/lru_cache.rs:265:5
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub struct LRUCacheInner {
[INFO] [stdout]     |            ------------- fields in this struct
[INFO] [stdout] 265 |     usage:    usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 275 |     lru:      LRUHandle,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 284 |     in_use:   LRUHandle,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 285 |
[INFO] [stdout] 286 |     table:    HandleTable,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `base`, `shard`, `id_mutex`, and `last_id` are never read
[INFO] [stdout]    --> src/lru_cache.rs:523:5
[INFO] [stdout]     |
[INFO] [stdout] 522 | pub struct ShardedLRUCache {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 523 |     base:     Cache,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 524 |     shard:    [LRUCache; NUM_SHARDS],
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 525 |     id_mutex: parking_lot::RawMutex,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 526 |     last_id:  u64,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_lru_cache` is never used
[INFO] [stdout]    --> src/lru_cache.rs:640:8
[INFO] [stdout]     |
[INFO] [stdout] 640 | pub fn new_lru_cache(capacity: usize) -> *mut Cache {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 42 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 52s
[INFO] running `Command { std: "docker" "inspect" "62b0cf4740f4c5dde5c34715dd7efdf019d2c2bfd23bc8c22d930e2db67fbdc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62b0cf4740f4c5dde5c34715dd7efdf019d2c2bfd23bc8c22d930e2db67fbdc1", kill_on_drop: false }`
[INFO] [stdout] 62b0cf4740f4c5dde5c34715dd7efdf019d2c2bfd23bc8c22d930e2db67fbdc1
