Dec 11 14:21:32.804 INFO checking m-g-dev/fbsep against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 14:21:32.804 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 14:21:33.040 INFO [stdout] b445de43534efe9f310f7aa3cbb4c08e0fecbbee0fa9e0cc9086918b388c03e7
Dec 11 14:21:33.045 INFO running `"docker" "start" "-a" "b445de43534efe9f310f7aa3cbb4c08e0fecbbee0fa9e0cc9086918b388c03e7"`
Dec 11 14:21:33.395 INFO [stderr] usermod: no changes
Dec 11 14:21:33.409 INFO [stderr]     Checking fbsep v0.1.0 (/source)
Dec 11 14:21:33.604 INFO [stderr] warning: unused variable: `greyscale`
Dec 11 14:21:33.604 INFO [stderr]  --> src/lib.rs:1:21
Dec 11 14:21:33.604 INFO [stderr]   |
Dec 11 14:21:33.604 INFO [stderr] 1 | pub fn binarization(greyscale: &[u8]) -> i32 {
Dec 11 14:21:33.604 INFO [stderr]   |                     ^^^^^^^^^ help: consider using `_greyscale` instead
Dec 11 14:21:33.604 INFO [stderr]   |
Dec 11 14:21:33.604 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 14:21:33.604 INFO [stderr] 
Dec 11 14:21:33.664 INFO [stderr] warning: unused variable: `greyscale`
Dec 11 14:21:33.664 INFO [stderr]  --> src/lib.rs:1:21
Dec 11 14:21:33.664 INFO [stderr]   |
Dec 11 14:21:33.664 INFO [stderr] 1 | pub fn binarization(greyscale: &[u8]) -> i32 {
Dec 11 14:21:33.664 INFO [stderr]   |                     ^^^^^^^^^ help: consider using `_greyscale` instead
Dec 11 14:21:33.664 INFO [stderr]   |
Dec 11 14:21:33.664 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 14:21:33.664 INFO [stderr] 
Dec 11 14:21:33.666 INFO [stderr] warning: function is never used: `a`
Dec 11 14:21:33.666 INFO [stderr]  --> src/lib.rs:9:5
Dec 11 14:21:33.666 INFO [stderr]   |
Dec 11 14:21:33.666 INFO [stderr] 9 |     fn a() {
Dec 11 14:21:33.666 INFO [stderr]   |     ^^^^^^
Dec 11 14:21:33.666 INFO [stderr]   |
Dec 11 14:21:33.666 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 14:21:33.666 INFO [stderr] 
Dec 11 14:21:33.675 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
Dec 11 14:21:33.676 INFO [stderr] su: No module specific data is present
Dec 11 14:21:33.921 INFO running `"docker" "inspect" "b445de43534efe9f310f7aa3cbb4c08e0fecbbee0fa9e0cc9086918b388c03e7"`
Dec 11 14:21:33.997 INFO running `"docker" "rm" "-f" "b445de43534efe9f310f7aa3cbb4c08e0fecbbee0fa9e0cc9086918b388c03e7"`
Dec 11 14:21:34.083 INFO [stdout] b445de43534efe9f310f7aa3cbb4c08e0fecbbee0fa9e0cc9086918b388c03e7