Dec 19 21:10:06.813 INFO checking aHeraud/brainfuck against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 21:10:06.813 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 21:10:07.184 INFO [stdout] 049ba73963a4b2a8fec9d27accd6008337f9221ee8936d141ca92569f84e8d8d
Dec 19 21:10:07.190 INFO running `"docker" "start" "-a" "049ba73963a4b2a8fec9d27accd6008337f9221ee8936d141ca92569f84e8d8d"`
Dec 19 21:10:08.582 INFO [stderr]     Checking bf v0.1.0 (/opt/crater/workdir)
Dec 19 21:10:09.429 INFO [stderr] warning: unused variable: `flags`
Dec 19 21:10:09.429 INFO [stderr]   --> src/jit/buffer.rs:21:7
Dec 19 21:10:09.434 INFO [stderr]    |
Dec 19 21:10:09.435 INFO [stderr] 21 |         let flags = if exec {
Dec 19 21:10:09.435 INFO [stderr]    |             ^^^^^ help: consider using `_flags` instead
Dec 19 21:10:09.435 INFO [stderr]    |
Dec 19 21:10:09.440 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:10:09.440 INFO [stderr] 
Dec 19 21:10:09.488 INFO [stderr] warning: method is never used: `len`
Dec 19 21:10:09.489 INFO [stderr]   --> src/jit/buffer.rs:69:2
Dec 19 21:10:09.489 INFO [stderr]    |
Dec 19 21:10:09.489 INFO [stderr] 69 |     pub fn len(&self) -> usize {
Dec 19 21:10:09.490 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:10:09.496 INFO [stderr]    |
Dec 19 21:10:09.496 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:10:09.496 INFO [stderr] 
Dec 19 21:10:09.636 INFO [stderr] warning: unused variable: `flags`
Dec 19 21:10:09.636 INFO [stderr]   --> src/jit/buffer.rs:21:7
Dec 19 21:10:09.636 INFO [stderr]    |
Dec 19 21:10:09.636 INFO [stderr] 21 |         let flags = if exec {
Dec 19 21:10:09.636 INFO [stderr]    |             ^^^^^ help: consider using `_flags` instead
Dec 19 21:10:09.636 INFO [stderr]    |
Dec 19 21:10:09.636 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 21:10:09.636 INFO [stderr] 
Dec 19 21:10:09.720 INFO [stderr] warning: method is never used: `len`
Dec 19 21:10:09.720 INFO [stderr]   --> src/jit/buffer.rs:69:2
Dec 19 21:10:09.720 INFO [stderr]    |
Dec 19 21:10:09.720 INFO [stderr] 69 |     pub fn len(&self) -> usize {
Dec 19 21:10:09.720 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 21:10:09.720 INFO [stderr]    |
Dec 19 21:10:09.720 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 21:10:09.720 INFO [stderr] 
Dec 19 21:10:09.760 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Dec 19 21:10:10.260 INFO running `"docker" "inspect" "049ba73963a4b2a8fec9d27accd6008337f9221ee8936d141ca92569f84e8d8d"`
Dec 19 21:10:10.498 INFO running `"docker" "rm" "-f" "049ba73963a4b2a8fec9d27accd6008337f9221ee8936d141ca92569f84e8d8d"`
Dec 19 21:10:10.764 INFO [stdout] 049ba73963a4b2a8fec9d27accd6008337f9221ee8936d141ca92569f84e8d8d