Dec 12 01:30:08.675 INFO checking MattsPoche/Matrix-transformation against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:30:08.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 12 01:30:08.948 INFO [stdout] f49640071398b6b83377d82fa65ecad2193b9770fcf08f2ccf7bf9271c41f969
Dec 12 01:30:08.954 INFO running `"docker" "start" "-a" "f49640071398b6b83377d82fa65ecad2193b9770fcf08f2ccf7bf9271c41f969"`
Dec 12 01:30:10.057 INFO [stderr] usermod: no changes
Dec 12 01:30:10.101 INFO [stderr]     Checking matrix_transformation v0.1.0 (/source)
Dec 12 01:30:10.544 INFO [stderr] warning: unused variable: `y_ubound`
Dec 12 01:30:10.544 INFO [stderr]  --> src/main.rs:3:20
Dec 12 01:30:10.544 INFO [stderr]   |
Dec 12 01:30:10.544 INFO [stderr] 3 |     let (x_ubound, y_ubound) = get_bounds(v);
Dec 12 01:30:10.544 INFO [stderr]   |                    ^^^^^^^^ help: consider using `_y_ubound` instead
Dec 12 01:30:10.544 INFO [stderr]   |
Dec 12 01:30:10.544 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 01:30:10.544 INFO [stderr] 
Dec 12 01:30:10.568 INFO [stderr] warning: function is never used: `matricize`
Dec 12 01:30:10.568 INFO [stderr]   --> src/main.rs:44:1
Dec 12 01:30:10.568 INFO [stderr]    |
Dec 12 01:30:10.568 INFO [stderr] 44 | fn matricize(v: &Vec<(usize, usize)>) -> Vec<Vec<u16>> {
Dec 12 01:30:10.568 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:30:10.568 INFO [stderr]    |
Dec 12 01:30:10.568 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 01:30:10.568 INFO [stderr] 
Dec 12 01:30:10.568 INFO [stderr] warning: function is never used: `print_matrix`
Dec 12 01:30:10.568 INFO [stderr]   --> src/main.rs:69:1
Dec 12 01:30:10.568 INFO [stderr]    |
Dec 12 01:30:10.568 INFO [stderr] 69 | fn print_matrix(m: &Vec<Vec<u16>>) {
Dec 12 01:30:10.568 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 01:30:10.568 INFO [stderr] 
Dec 12 01:30:10.864 INFO [stderr] warning: unused variable: `y_ubound`
Dec 12 01:30:10.864 INFO [stderr]  --> src/main.rs:3:20
Dec 12 01:30:10.864 INFO [stderr]   |
Dec 12 01:30:10.864 INFO [stderr] 3 |     let (x_ubound, y_ubound) = get_bounds(v);
Dec 12 01:30:10.864 INFO [stderr]   |                    ^^^^^^^^ help: consider using `_y_ubound` instead
Dec 12 01:30:10.864 INFO [stderr]   |
Dec 12 01:30:10.864 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 01:30:10.864 INFO [stderr] 
Dec 12 01:30:10.893 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Dec 12 01:30:10.895 INFO [stderr] su: No module specific data is present
Dec 12 01:30:11.476 INFO running `"docker" "inspect" "f49640071398b6b83377d82fa65ecad2193b9770fcf08f2ccf7bf9271c41f969"`
Dec 12 01:30:11.808 INFO running `"docker" "rm" "-f" "f49640071398b6b83377d82fa65ecad2193b9770fcf08f2ccf7bf9271c41f969"`
Dec 12 01:30:12.108 INFO [stdout] f49640071398b6b83377d82fa65ecad2193b9770fcf08f2ccf7bf9271c41f969