Dec 18 06:29:34.847 INFO checking MattsPoche/Matrix-transformation against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 06:29:34.847 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/MattsPoche/Matrix-transformation:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:29:35.326 INFO [stdout] 6918189a4e29128bbdb7bdaa8237e2d96aa9161d8da8fc4fa2e4379e6265f7fe
Dec 18 06:29:35.329 INFO running `"docker" "start" "-a" "6918189a4e29128bbdb7bdaa8237e2d96aa9161d8da8fc4fa2e4379e6265f7fe"`
Dec 18 06:29:37.317 INFO [stderr]     Checking matrix_transformation v0.1.0 (/opt/crater/workdir)
Dec 18 06:29:37.796 INFO [stderr] warning: unused variable: `y_ubound`
Dec 18 06:29:37.796 INFO [stderr]  --> src/main.rs:3:20
Dec 18 06:29:37.796 INFO [stderr]   |
Dec 18 06:29:37.796 INFO [stderr] 3 |     let (x_ubound, y_ubound) = get_bounds(v);
Dec 18 06:29:37.796 INFO [stderr]   |                    ^^^^^^^^ help: consider using `_y_ubound` instead
Dec 18 06:29:37.796 INFO [stderr]   |
Dec 18 06:29:37.796 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 06:29:37.796 INFO [stderr] 
Dec 18 06:29:37.799 INFO [stderr] warning: function is never used: `matricize`
Dec 18 06:29:37.799 INFO [stderr]   --> src/main.rs:44:1
Dec 18 06:29:37.800 INFO [stderr]    |
Dec 18 06:29:37.804 INFO [stderr] 44 | fn matricize(v: &Vec<(usize, usize)>) -> Vec<Vec<u16>> {
Dec 18 06:29:37.804 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:29:37.804 INFO [stderr]    |
Dec 18 06:29:37.804 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:29:37.804 INFO [stderr] 
Dec 18 06:29:37.804 INFO [stderr] warning: function is never used: `print_matrix`
Dec 18 06:29:37.804 INFO [stderr]   --> src/main.rs:69:1
Dec 18 06:29:37.804 INFO [stderr]    |
Dec 18 06:29:37.804 INFO [stderr] 69 | fn print_matrix(m: &Vec<Vec<u16>>) {
Dec 18 06:29:37.804 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:29:37.832 INFO [stderr] 
Dec 18 06:29:38.028 INFO [stderr] warning: unused variable: `y_ubound`
Dec 18 06:29:38.028 INFO [stderr]  --> src/main.rs:3:20
Dec 18 06:29:38.028 INFO [stderr]   |
Dec 18 06:29:38.028 INFO [stderr] 3 |     let (x_ubound, y_ubound) = get_bounds(v);
Dec 18 06:29:38.028 INFO [stderr]   |                    ^^^^^^^^ help: consider using `_y_ubound` instead
Dec 18 06:29:38.028 INFO [stderr]   |
Dec 18 06:29:38.028 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 06:29:38.028 INFO [stderr] 
Dec 18 06:29:38.076 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
Dec 18 06:29:38.902 INFO running `"docker" "inspect" "6918189a4e29128bbdb7bdaa8237e2d96aa9161d8da8fc4fa2e4379e6265f7fe"`
Dec 18 06:29:39.130 INFO running `"docker" "rm" "-f" "6918189a4e29128bbdb7bdaa8237e2d96aa9161d8da8fc4fa2e4379e6265f7fe"`
Dec 18 06:29:39.542 INFO [stdout] 6918189a4e29128bbdb7bdaa8237e2d96aa9161d8da8fc4fa2e4379e6265f7fe