Dec 19 13:17:45.813 INFO checking m-g-dev/fbsep against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 13:17:45.813 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/m-g-dev/fbsep:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 13:17:46.316 INFO [stdout] c01a2e02ac11d06cbe733abf86e56699e1b4b2b77a0a890653cbcf84f1d7ba0f
Dec 19 13:17:46.318 INFO running `"docker" "start" "-a" "c01a2e02ac11d06cbe733abf86e56699e1b4b2b77a0a890653cbcf84f1d7ba0f"`
Dec 19 13:17:46.929 INFO [stderr]     Checking fbsep v0.1.0 (/opt/crater/workdir)
Dec 19 13:17:47.060 INFO [stderr] warning: unused variable: `greyscale`
Dec 19 13:17:47.060 INFO [stderr]  --> src/lib.rs:1:21
Dec 19 13:17:47.060 INFO [stderr]   |
Dec 19 13:17:47.060 INFO [stderr] 1 | pub fn binarization(greyscale: &[u8]) -> i32 {
Dec 19 13:17:47.060 INFO [stderr]   |                     ^^^^^^^^^ help: consider using `_greyscale` instead
Dec 19 13:17:47.060 INFO [stderr]   |
Dec 19 13:17:47.060 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 13:17:47.060 INFO [stderr] 
Dec 19 13:17:47.088 INFO [stderr] warning: unused variable: `greyscale`
Dec 19 13:17:47.088 INFO [stderr]  --> src/lib.rs:1:21
Dec 19 13:17:47.088 INFO [stderr]   |
Dec 19 13:17:47.088 INFO [stderr] 1 | pub fn binarization(greyscale: &[u8]) -> i32 {
Dec 19 13:17:47.088 INFO [stderr]   |                     ^^^^^^^^^ help: consider using `_greyscale` instead
Dec 19 13:17:47.088 INFO [stderr]   |
Dec 19 13:17:47.088 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 13:17:47.088 INFO [stderr] 
Dec 19 13:17:47.088 INFO [stderr] warning: function is never used: `a`
Dec 19 13:17:47.088 INFO [stderr]  --> src/lib.rs:9:5
Dec 19 13:17:47.088 INFO [stderr]   |
Dec 19 13:17:47.088 INFO [stderr] 9 |     fn a() {
Dec 19 13:17:47.088 INFO [stderr]   |     ^^^^^^
Dec 19 13:17:47.088 INFO [stderr]   |
Dec 19 13:17:47.088 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 19 13:17:47.088 INFO [stderr] 
Dec 19 13:17:47.136 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
Dec 19 13:17:47.639 INFO running `"docker" "inspect" "c01a2e02ac11d06cbe733abf86e56699e1b4b2b77a0a890653cbcf84f1d7ba0f"`
Dec 19 13:17:47.899 INFO running `"docker" "rm" "-f" "c01a2e02ac11d06cbe733abf86e56699e1b4b2b77a0a890653cbcf84f1d7ba0f"`
Dec 19 13:17:48.049 INFO [stdout] c01a2e02ac11d06cbe733abf86e56699e1b4b2b77a0a890653cbcf84f1d7ba0f