[INFO] fetching crate cachr 1.0.0... [INFO] checking cachr-1.0.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] extracting crate cachr 1.0.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate cachr 1.0.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cachr 1.0.0 [INFO] finished tweaking crates.io crate cachr 1.0.0 [INFO] tweaked toml for crates.io crate cachr 1.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded elsa v1.10.0 [INFO] [stderr] Downloaded dactyl v0.7.2 [INFO] [stderr] Downloaded brunch v0.5.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c55b5f0771111c6d27e0cfe52696ceae84c94d22667128796d836bd3f0c12beb [INFO] running `Command { std: "docker" "start" "-a" "c55b5f0771111c6d27e0cfe52696ceae84c94d22667128796d836bd3f0c12beb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c55b5f0771111c6d27e0cfe52696ceae84c94d22667128796d836bd3f0c12beb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c55b5f0771111c6d27e0cfe52696ceae84c94d22667128796d836bd3f0c12beb", kill_on_drop: false }` [INFO] [stdout] c55b5f0771111c6d27e0cfe52696ceae84c94d22667128796d836bd3f0c12beb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0935a26542265e0f7aa90a5afea75d89fcd68969b11c1f779d557ac052477696 [INFO] running `Command { std: "docker" "start" "-a" "0935a26542265e0f7aa90a5afea75d89fcd68969b11c1f779d557ac052477696", kill_on_drop: false }` [INFO] [stderr] Compiling dactyl v0.7.2 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking cachr v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking elsa v1.10.0 [INFO] [stderr] Checking brunch v0.5.3 [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> benches/bench.rs:30:17 [INFO] [stdout] | [INFO] [stdout] 30 | let mut n: elsa::FrozenMap> = elsa::FrozenMap::new(); [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] --> benches/bench.rs:66:17 [INFO] [stdout] | [INFO] [stdout] 66 | let mut n: elsa::FrozenMap> = elsa::FrozenMap::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.12s [INFO] running `Command { std: "docker" "inspect" "0935a26542265e0f7aa90a5afea75d89fcd68969b11c1f779d557ac052477696", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0935a26542265e0f7aa90a5afea75d89fcd68969b11c1f779d557ac052477696", kill_on_drop: false }` [INFO] [stdout] 0935a26542265e0f7aa90a5afea75d89fcd68969b11c1f779d557ac052477696