[INFO] fetching crate train-station 0.3.0...
[INFO] checking train-station-0.3.0 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721-1
[INFO] extracting crate train-station 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate train-station 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate train-station 0.3.0
[INFO] tweaked toml for crates.io crate train-station 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate train-station 0.3.0 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate train-station 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5ebc71c15de4b3a7c938b1e0475b87e014a92250dcf1f32e4d1d42f544c9f55a
[INFO] running `Command { std: "docker" "start" "5ebc71c15de4b3a7c938b1e0475b87e014a92250dcf1f32e4d1d42f544c9f55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5ebc71c15de4b3a7c938b1e0475b87e014a92250dcf1f32e4d1d42f544c9f55a" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ebc71c15de4b3a7c938b1e0475b87e014a92250dcf1f32e4d1d42f544c9f55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5ebc71c15de4b3a7c938b1e0475b87e014a92250dcf1f32e4d1d42f544c9f55a" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling train-station v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/tensor/ops/matmul/pack_n_cache.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let r = unsafe { __cpuid_count(4, i) };
[INFO] [stdout]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/tensor/ops/matmul/pack_n_cache.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let r = unsafe { __cpuid_count(4, i) };
[INFO] [stdout]     |                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.73s
[INFO] running `Command { std: "docker" "inspect" "5ebc71c15de4b3a7c938b1e0475b87e014a92250dcf1f32e4d1d42f544c9f55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ebc71c15de4b3a7c938b1e0475b87e014a92250dcf1f32e4d1d42f544c9f55a", kill_on_drop: false }`
[INFO] [stdout] 5ebc71c15de4b3a7c938b1e0475b87e014a92250dcf1f32e4d1d42f544c9f55a