Dec 18 18:03:28.053 INFO checking brain-rs-0.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 18:03:28.053 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/brain-rs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 18:03:28.496 INFO [stdout] 23fc03d17502487446f6969a0faf537e6ceb9d8825ba9ad3c750e8f6d1c949e8
Dec 18 18:03:28.499 INFO running `"docker" "start" "-a" "23fc03d17502487446f6969a0faf537e6ceb9d8825ba9ad3c750e8f6d1c949e8"`
Dec 18 18:03:29.148 INFO [stderr]     Checking brain-rs v0.1.0 (/opt/crater/workdir)
Dec 18 18:03:30.076 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 18:03:30.076 INFO [stderr]   --> benches/bench_brain.rs:14:9
Dec 18 18:03:30.076 INFO [stderr]    |
Dec 18 18:03:30.077 INFO [stderr] 14 |         execute(code, read_buffer.as_bytes(), &mut write_buffer);
Dec 18 18:03:30.077 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 18:03:30.077 INFO [stderr]    |
Dec 18 18:03:30.077 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 18:03:30.077 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 18:03:30.077 INFO [stderr] 
Dec 18 18:03:30.388 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Dec 18 18:03:31.082 INFO running `"docker" "inspect" "23fc03d17502487446f6969a0faf537e6ceb9d8825ba9ad3c750e8f6d1c949e8"`
Dec 18 18:03:31.222 INFO running `"docker" "rm" "-f" "23fc03d17502487446f6969a0faf537e6ceb9d8825ba9ad3c750e8f6d1c949e8"`
Dec 18 18:03:31.326 INFO [stdout] 23fc03d17502487446f6969a0faf537e6ceb9d8825ba9ad3c750e8f6d1c949e8