Dec 18 06:29:33.671 INFO checking MattsPoche/Matrix-transformation against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:29:33.671 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 06:29:34.135 INFO [stdout] 27ba7b0757262457a4db1aa65c10e2b5cd7ab169cd10d730639c9a46851052c6
Dec 18 06:29:34.142 INFO running `"docker" "start" "-a" "27ba7b0757262457a4db1aa65c10e2b5cd7ab169cd10d730639c9a46851052c6"`
Dec 18 06:29:35.916 INFO [stderr]     Checking matrix_transformation v0.1.0 (/opt/crater/workdir)
Dec 18 06:29:36.378 INFO [stderr] warning: unused variable: `y_ubound`
Dec 18 06:29:36.378 INFO [stderr]  --> src/main.rs:3:20
Dec 18 06:29:36.378 INFO [stderr]   |
Dec 18 06:29:36.378 INFO [stderr] 3 |     let (x_ubound, y_ubound) = get_bounds(v);
Dec 18 06:29:36.378 INFO [stderr]   |                    ^^^^^^^^ help: consider using `_y_ubound` instead
Dec 18 06:29:36.378 INFO [stderr]   |
Dec 18 06:29:36.378 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 06:29:36.378 INFO [stderr] 
Dec 18 06:29:36.392 INFO [stderr] warning: function is never used: `matricize`
Dec 18 06:29:36.392 INFO [stderr]   --> src/main.rs:44:1
Dec 18 06:29:36.392 INFO [stderr]    |
Dec 18 06:29:36.392 INFO [stderr] 44 | fn matricize(v: &Vec<(usize, usize)>) -> Vec<Vec<u16>> {
Dec 18 06:29:36.392 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:29:36.392 INFO [stderr]    |
Dec 18 06:29:36.392 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 06:29:36.392 INFO [stderr] 
Dec 18 06:29:36.400 INFO [stderr] warning: function is never used: `print_matrix`
Dec 18 06:29:36.400 INFO [stderr]   --> src/main.rs:69:1
Dec 18 06:29:36.400 INFO [stderr]    |
Dec 18 06:29:36.400 INFO [stderr] 69 | fn print_matrix(m: &Vec<Vec<u16>>) {
Dec 18 06:29:36.400 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 06:29:36.400 INFO [stderr] 
Dec 18 06:29:36.515 INFO [stderr] warning: unused variable: `y_ubound`
Dec 18 06:29:36.515 INFO [stderr]  --> src/main.rs:3:20
Dec 18 06:29:36.515 INFO [stderr]   |
Dec 18 06:29:36.515 INFO [stderr] 3 |     let (x_ubound, y_ubound) = get_bounds(v);
Dec 18 06:29:36.515 INFO [stderr]   |                    ^^^^^^^^ help: consider using `_y_ubound` instead
Dec 18 06:29:36.515 INFO [stderr]   |
Dec 18 06:29:36.515 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 06:29:36.515 INFO [stderr] 
Dec 18 06:29:36.560 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Dec 18 06:29:37.262 INFO running `"docker" "inspect" "27ba7b0757262457a4db1aa65c10e2b5cd7ab169cd10d730639c9a46851052c6"`
Dec 18 06:29:37.550 INFO running `"docker" "rm" "-f" "27ba7b0757262457a4db1aa65c10e2b5cd7ab169cd10d730639c9a46851052c6"`
Dec 18 06:29:37.880 INFO [stdout] 27ba7b0757262457a4db1aa65c10e2b5cd7ab169cd10d730639c9a46851052c6