[INFO] fetching crate logmap 0.2.0... [INFO] checking logmap-0.2.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] extracting crate logmap 0.2.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate logmap 0.2.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate logmap 0.2.0 [INFO] finished tweaking crates.io crate logmap 0.2.0 [INFO] tweaked toml for crates.io crate logmap 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5ca9c4f86d8320b7b42d6e612565e54be02158ab8279721f47eb690b71f48dd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b5ca9c4f86d8320b7b42d6e612565e54be02158ab8279721f47eb690b71f48dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5ca9c4f86d8320b7b42d6e612565e54be02158ab8279721f47eb690b71f48dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5ca9c4f86d8320b7b42d6e612565e54be02158ab8279721f47eb690b71f48dd", kill_on_drop: false }` [INFO] [stdout] b5ca9c4f86d8320b7b42d6e612565e54be02158ab8279721f47eb690b71f48dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90c2c7d3ec349d7310e4319844fd4f817e8bc37aba341c0a9152fdf02d933a83 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "90c2c7d3ec349d7310e4319844fd4f817e8bc37aba341c0a9152fdf02d933a83", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking abox v0.4.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking logmap v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `update` [INFO] [stdout] --> src/logmap.rs:228:8 [INFO] [stdout] | [INFO] [stdout] 228 | fn update(&self, key: K, value: V) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `key` [INFO] [stdout] --> src/logmap.rs:332:8 [INFO] [stdout] | [INFO] [stdout] 332 | fn key(&self) -> Option<&K> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `key_matches` [INFO] [stdout] --> src/logmap.rs:356:8 [INFO] [stdout] | [INFO] [stdout] 356 | fn key_matches(&self, key: &K) -> bool [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get` [INFO] [stdout] --> src/optimap.rs:147:8 [INFO] [stdout] | [INFO] [stdout] 147 | fn get(&self, key: &K) -> Option>> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/optimap.rs:252:8 [INFO] [stdout] | [INFO] [stdout] 252 | fn value(self) -> V { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking core_affinity v0.5.10 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimap.rs:574:13 [INFO] [stdout] | [INFO] [stdout] 574 | for mut workload in &mut workloads { [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/optimap.rs:575:17 [INFO] [stdout] | [INFO] [stdout] 575 | let mut slice = Arc::get_mut(workload).unwrap().as_mut_slice(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `key` [INFO] [stdout] --> src/logmap.rs:332:8 [INFO] [stdout] | [INFO] [stdout] 332 | fn key(&self) -> Option<&K> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `key_matches` [INFO] [stdout] --> src/logmap.rs:356:8 [INFO] [stdout] | [INFO] [stdout] 356 | fn key_matches(&self, key: &K) -> bool [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `value` [INFO] [stdout] --> src/optimap.rs:252:8 [INFO] [stdout] | [INFO] [stdout] 252 | fn value(self) -> V { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.54s [INFO] running `Command { std: "docker" "inspect" "90c2c7d3ec349d7310e4319844fd4f817e8bc37aba341c0a9152fdf02d933a83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90c2c7d3ec349d7310e4319844fd4f817e8bc37aba341c0a9152fdf02d933a83", kill_on_drop: false }` [INFO] [stdout] 90c2c7d3ec349d7310e4319844fd4f817e8bc37aba341c0a9152fdf02d933a83