[INFO] cloning repository dhatch/cache-rust [INFO] running `"git" "clone" "--bare" "git://github.com/dhatch/cache-rust.git" "work/cache/sources/gh/dhatch/cache-rust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/dhatch/cache-rust'... [INFO] running `"git" "clone" "work/cache/sources/gh/dhatch/cache-rust" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dhatch/cache-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dhatch/cache-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/dhatch/cache-rust" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/dhatch/cache-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/dhatch/cache-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 244b5258f6389f1b17755dbbb99de8c07c5c24b5 [INFO] sha for GitHub repo dhatch/cache-rust: 244b5258f6389f1b17755dbbb99de8c07c5c24b5 [INFO] validating manifest of dhatch/cache-rust on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of dhatch/cache-rust on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing dhatch/cache-rust [INFO] removed workspace from dhatch/cache-rust [INFO] finished frobbing dhatch/cache-rust [INFO] frobbed toml for dhatch/cache-rust written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dhatch/cache-rust/Cargo.toml [INFO] started frobbing dhatch/cache-rust [INFO] removed workspace from dhatch/cache-rust [INFO] finished frobbing dhatch/cache-rust [INFO] frobbed toml for dhatch/cache-rust written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/dhatch/cache-rust/Cargo.toml [INFO] crate dhatch/cache-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking dhatch/cache-rust against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/dhatch/cache-rust:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1abdbcc048985c4e5da0ce692107d73869f2f78ffd80b11193df199a0d014232 [INFO] running `"docker" "start" "-a" "1abdbcc048985c4e5da0ce692107d73869f2f78ffd80b11193df199a0d014232"` [INFO] [stderr] Checking intrusive-collections v0.7.8 [INFO] [stderr] Checking cache v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/cache.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/cache.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `k2` [INFO] [stderr] --> src/cache.rs:246:13 [INFO] [stderr] | [INFO] [stderr] 246 | let k2 = "key2"; [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_k2` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/cache.rs:220:13 [INFO] [stderr] | [INFO] [stderr] 220 | let mut cache: LRUCache<&str, u64> = LRUCache::new(10); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `cacheA` should have a snake case name [INFO] [stderr] --> benches/bench_main.rs:46:13 [INFO] [stderr] | [INFO] [stderr] 46 | let cacheA = Arc::clone(&cache); [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `cache_a` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(non_snake_case)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable `cacheB` should have a snake case name [INFO] [stderr] --> benches/bench_main.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let cacheB = Arc::clone(&cache); [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `cache_b` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.02s [INFO] running `"docker" "inspect" "1abdbcc048985c4e5da0ce692107d73869f2f78ffd80b11193df199a0d014232"` [INFO] running `"docker" "rm" "-f" "1abdbcc048985c4e5da0ce692107d73869f2f78ffd80b11193df199a0d014232"` [INFO] [stdout] 1abdbcc048985c4e5da0ce692107d73869f2f78ffd80b11193df199a0d014232