Dec 18 04:41:47.013 INFO checking aHeraud/brainfuck against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 04:41:47.013 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/aHeraud/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:41:47.435 INFO [stdout] 487ccca08ae9ecf9041b7f52c68af573134b1bcd14aeae555005be4c8d48a5a7
Dec 18 04:41:47.439 INFO running `"docker" "start" "-a" "487ccca08ae9ecf9041b7f52c68af573134b1bcd14aeae555005be4c8d48a5a7"`
Dec 18 04:41:48.844 INFO [stderr]     Checking bf v0.1.0 (/opt/crater/workdir)
Dec 18 04:41:49.647 INFO [stderr] warning: unused variable: `flags`
Dec 18 04:41:49.647 INFO [stderr]   --> src/jit/buffer.rs:21:7
Dec 18 04:41:49.647 INFO [stderr]    |
Dec 18 04:41:49.647 INFO [stderr] 21 |         let flags = if exec {
Dec 18 04:41:49.647 INFO [stderr]    |             ^^^^^ help: consider using `_flags` instead
Dec 18 04:41:49.647 INFO [stderr]    |
Dec 18 04:41:49.647 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:41:49.647 INFO [stderr] 
Dec 18 04:41:49.730 INFO [stderr] warning: unused variable: `flags`
Dec 18 04:41:49.730 INFO [stderr]   --> src/jit/buffer.rs:21:7
Dec 18 04:41:49.730 INFO [stderr]    |
Dec 18 04:41:49.731 INFO [stderr] 21 |         let flags = if exec {
Dec 18 04:41:49.731 INFO [stderr]    |             ^^^^^ help: consider using `_flags` instead
Dec 18 04:41:49.731 INFO [stderr]    |
Dec 18 04:41:49.731 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 04:41:49.732 INFO [stderr] 
Dec 18 04:41:49.754 INFO [stderr] warning: method is never used: `len`
Dec 18 04:41:49.754 INFO [stderr]   --> src/jit/buffer.rs:69:2
Dec 18 04:41:49.754 INFO [stderr]    |
Dec 18 04:41:49.755 INFO [stderr] 69 |     pub fn len(&self) -> usize {
Dec 18 04:41:49.755 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:41:49.755 INFO [stderr]    |
Dec 18 04:41:49.755 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:41:49.755 INFO [stderr] 
Dec 18 04:41:49.823 INFO [stderr] warning: method is never used: `len`
Dec 18 04:41:49.823 INFO [stderr]   --> src/jit/buffer.rs:69:2
Dec 18 04:41:49.823 INFO [stderr]    |
Dec 18 04:41:49.823 INFO [stderr] 69 |     pub fn len(&self) -> usize {
Dec 18 04:41:49.823 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 04:41:49.828 INFO [stderr]    |
Dec 18 04:41:49.829 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 04:41:49.829 INFO [stderr] 
Dec 18 04:41:49.877 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Dec 18 04:41:50.806 INFO running `"docker" "inspect" "487ccca08ae9ecf9041b7f52c68af573134b1bcd14aeae555005be4c8d48a5a7"`
Dec 18 04:41:51.102 INFO running `"docker" "rm" "-f" "487ccca08ae9ecf9041b7f52c68af573134b1bcd14aeae555005be4c8d48a5a7"`
Dec 18 04:41:51.392 INFO [stdout] 487ccca08ae9ecf9041b7f52c68af573134b1bcd14aeae555005be4c8d48a5a7