Dec 17 20:19:15.209 INFO checking m-g-dev/fbsep against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:19:15.209 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 20:19:15.940 INFO [stdout] 7a2c7c1178c63df9b332b31e658c12901a3ecfab9d2cff48e705b3127c38008e
Dec 17 20:19:15.942 INFO running `"docker" "start" "-a" "7a2c7c1178c63df9b332b31e658c12901a3ecfab9d2cff48e705b3127c38008e"`
Dec 17 20:19:16.985 INFO [stderr]     Checking fbsep v0.1.0 (/opt/crater/workdir)
Dec 17 20:19:17.104 INFO [stderr] warning: unused variable: `greyscale`
Dec 17 20:19:17.104 INFO [stderr]  --> src/lib.rs:1:21
Dec 17 20:19:17.104 INFO [stderr]   |
Dec 17 20:19:17.104 INFO [stderr] 1 | pub fn binarization(greyscale: &[u8]) -> i32 {
Dec 17 20:19:17.104 INFO [stderr]   |                     ^^^^^^^^^ help: consider using `_greyscale` instead
Dec 17 20:19:17.104 INFO [stderr]   |
Dec 17 20:19:17.104 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 17 20:19:17.104 INFO [stderr] 
Dec 17 20:19:17.152 INFO [stderr] warning: unused variable: `greyscale`
Dec 17 20:19:17.152 INFO [stderr]  --> src/lib.rs:1:21
Dec 17 20:19:17.152 INFO [stderr]   |
Dec 17 20:19:17.152 INFO [stderr] 1 | pub fn binarization(greyscale: &[u8]) -> i32 {
Dec 17 20:19:17.152 INFO [stderr]   |                     ^^^^^^^^^ help: consider using `_greyscale` instead
Dec 17 20:19:17.152 INFO [stderr]   |
Dec 17 20:19:17.152 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 17 20:19:17.152 INFO [stderr] 
Dec 17 20:19:17.155 INFO [stderr] warning: function is never used: `a`
Dec 17 20:19:17.155 INFO [stderr]  --> src/lib.rs:9:5
Dec 17 20:19:17.155 INFO [stderr]   |
Dec 17 20:19:17.155 INFO [stderr] 9 |     fn a() {
Dec 17 20:19:17.155 INFO [stderr]   |     ^^^^^^
Dec 17 20:19:17.155 INFO [stderr]   |
Dec 17 20:19:17.155 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 20:19:17.155 INFO [stderr] 
Dec 17 20:19:17.166 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
Dec 17 20:19:17.517 INFO running `"docker" "inspect" "7a2c7c1178c63df9b332b31e658c12901a3ecfab9d2cff48e705b3127c38008e"`
Dec 17 20:19:17.615 INFO running `"docker" "rm" "-f" "7a2c7c1178c63df9b332b31e658c12901a3ecfab9d2cff48e705b3127c38008e"`
Dec 17 20:19:17.741 INFO [stdout] 7a2c7c1178c63df9b332b31e658c12901a3ecfab9d2cff48e705b3127c38008e