Dec 18 03:02:48.596 INFO checking brain-lang/brainfuck against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 03:02:48.596 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/brain-lang/brainfuck:/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 03:02:48.852 INFO [stdout] 8c4ed7fe55ab7ed5402b8e053ec0693d613565c31b9f9b5a8cb988f1aa335ebf
Dec 18 03:02:48.854 INFO running `"docker" "start" "-a" "8c4ed7fe55ab7ed5402b8e053ec0693d613565c31b9f9b5a8cb988f1aa335ebf"`
Dec 18 03:02:49.568 INFO [stderr]     Checking clap v2.24.2
Dec 18 03:02:55.187 INFO [stderr]     Checking brain-brainfuck v1.3.0 (/opt/crater/workdir)
Dec 18 03:02:55.813 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:02:55.813 INFO [stderr]    --> src/interpreter.rs:100:18
Dec 18 03:02:55.813 INFO [stderr]     |
Dec 18 03:02:55.814 INFO [stderr] 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
Dec 18 03:02:55.814 INFO [stderr]     |                  ----^^^^^^^
Dec 18 03:02:55.814 INFO [stderr]     |                  |
Dec 18 03:02:55.814 INFO [stderr]     |                  help: remove this `mut`
Dec 18 03:02:55.815 INFO [stderr]     |
Dec 18 03:02:55.815 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:02:55.815 INFO [stderr] 
Dec 18 03:02:56.304 INFO [stderr] warning: variable does not need to be mutable
Dec 18 03:02:56.304 INFO [stderr]    --> src/interpreter.rs:100:18
Dec 18 03:02:56.304 INFO [stderr]     |
Dec 18 03:02:56.304 INFO [stderr] 100 | fn fill_matching(mut program: &mut Vec<Instruction>, start: usize) -> usize {
Dec 18 03:02:56.304 INFO [stderr]     |                  ----^^^^^^^
Dec 18 03:02:56.304 INFO [stderr]     |                  |
Dec 18 03:02:56.304 INFO [stderr]     |                  help: remove this `mut`
Dec 18 03:02:56.304 INFO [stderr]     |
Dec 18 03:02:56.304 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 18 03:02:56.304 INFO [stderr] 
Dec 18 03:02:56.791 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.27s
Dec 18 03:02:57.681 INFO running `"docker" "inspect" "8c4ed7fe55ab7ed5402b8e053ec0693d613565c31b9f9b5a8cb988f1aa335ebf"`
Dec 18 03:02:57.886 INFO running `"docker" "rm" "-f" "8c4ed7fe55ab7ed5402b8e053ec0693d613565c31b9f9b5a8cb988f1aa335ebf"`
Dec 18 03:02:58.152 INFO [stdout] 8c4ed7fe55ab7ed5402b8e053ec0693d613565c31b9f9b5a8cb988f1aa335ebf