[INFO] updating cached repository https://github.com/dhatch/cache-rust [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 244b5258f6389f1b17755dbbb99de8c07c5c24b5 [INFO] checking dhatch/cache-rust against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdhatch%2Fcache-rust" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dhatch/cache-rust on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/dhatch/cache-rust [INFO] removed workspace from git repo https://github.com/dhatch/cache-rust [INFO] finished tweaking git repo https://github.com/dhatch/cache-rust [INFO] tweaked toml for git repo https://github.com/dhatch/cache-rust written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/dhatch/cache-rust already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a60f1feffaa0e37f5701ee618042fa34c2aaf4bd91c9b54654422111d2619ec9 [INFO] running `"docker" "start" "-a" "a60f1feffaa0e37f5701ee618042fa34c2aaf4bd91c9b54654422111d2619ec9"` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Checking intrusive-collections v0.7.8 [INFO] [stderr] Checking cache v0.1.0 (/opt/rustwide/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: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/cache.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | intrusive_adapter!(CacheValueAdapter = Arc>: CacheValue { link: LinkedListLink }); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Checking rand_os v0.1.3 [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: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/cache.rs:33:1 [INFO] [stderr] | [INFO] [stderr] 33 | intrusive_adapter!(CacheValueAdapter = Arc>: CacheValue { link: LinkedListLink }); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [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: if this is intentional, prefix it 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] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.08s [INFO] running `"docker" "inspect" "a60f1feffaa0e37f5701ee618042fa34c2aaf4bd91c9b54654422111d2619ec9"` [INFO] running `"docker" "rm" "-f" "a60f1feffaa0e37f5701ee618042fa34c2aaf4bd91c9b54654422111d2619ec9"` [INFO] [stdout] a60f1feffaa0e37f5701ee618042fa34c2aaf4bd91c9b54654422111d2619ec9