Dec 12 17:25:32.804 INFO checking brain-rs-0.1.0 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:25:32.805 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 17:25:33.197 INFO [stdout] 522ea211f416c1d4e8ce34fb5fcae0d7aab9cdc07ac5356c6acfd096a8d81bc1
Dec 12 17:25:33.204 INFO running `"docker" "start" "-a" "522ea211f416c1d4e8ce34fb5fcae0d7aab9cdc07ac5356c6acfd096a8d81bc1"`
Dec 12 17:25:34.835 INFO [stderr] usermod: no changes
Dec 12 17:25:34.988 INFO [stderr]     Checking brain-rs v0.1.0 (/source)
Dec 12 17:25:37.328 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 17:25:37.328 INFO [stderr]   --> benches/bench_brain.rs:14:9
Dec 12 17:25:37.328 INFO [stderr]    |
Dec 12 17:25:37.328 INFO [stderr] 14 |         execute(code, read_buffer.as_bytes(), &mut write_buffer);
Dec 12 17:25:37.328 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 17:25:37.328 INFO [stderr]    |
Dec 12 17:25:37.328 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 12 17:25:37.328 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 17:25:37.328 INFO [stderr] 
Dec 12 17:25:38.011 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
Dec 12 17:25:38.012 INFO [stderr] su: No module specific data is present
Dec 12 17:25:38.382 INFO running `"docker" "inspect" "522ea211f416c1d4e8ce34fb5fcae0d7aab9cdc07ac5356c6acfd096a8d81bc1"`
Dec 12 17:25:38.626 INFO running `"docker" "rm" "-f" "522ea211f416c1d4e8ce34fb5fcae0d7aab9cdc07ac5356c6acfd096a8d81bc1"`
Dec 12 17:25:38.960 INFO [stdout] 522ea211f416c1d4e8ce34fb5fcae0d7aab9cdc07ac5356c6acfd096a8d81bc1