[INFO] crate brain-rs 0.1.0 is already in cache
[INFO] checking brain-rs-0.1.0 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] extracting crate brain-rs 0.1.0 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate brain-rs 0.1.0 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate brain-rs 0.1.0
[INFO] finished tweaking crates.io crate brain-rs 0.1.0
[INFO] tweaked toml for crates.io crate brain-rs 0.1.0 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 902a29e61c0a1cc7546e1e93f29b0b5ce1ca83e4e9648877abe5dff739ea90a6
[INFO] running `"docker" "start" "-a" "902a29e61c0a1cc7546e1e93f29b0b5ce1ca83e4e9648877abe5dff739ea90a6"`
[INFO] [stderr]     Checking brain-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> benches/bench_brain.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |         execute(code, read_buffer.as_bytes(), &mut write_buffer);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.18s
[INFO] running `"docker" "inspect" "902a29e61c0a1cc7546e1e93f29b0b5ce1ca83e4e9648877abe5dff739ea90a6"`
[INFO] running `"docker" "rm" "-f" "902a29e61c0a1cc7546e1e93f29b0b5ce1ca83e4e9648877abe5dff739ea90a6"`
[INFO] [stdout] 902a29e61c0a1cc7546e1e93f29b0b5ce1ca83e4e9648877abe5dff739ea90a6