Dec 14 00:40:49.376 INFO testing bruce/rust-mazes against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 00:40:49.376 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-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 14 00:40:49.859 INFO [stdout] 2c6c0054bb23847757e3168e6459ea92e809276c58a956d51982bb16fdb3b9cb
Dec 14 00:40:49.861 INFO running `"docker" "start" "-a" "2c6c0054bb23847757e3168e6459ea92e809276c58a956d51982bb16fdb3b9cb"`
Dec 14 00:40:51.511 INFO [stderr] usermod: no changes
Dec 14 00:40:51.576 INFO [stderr]    Compiling mazes v0.1.0 (/source)
Dec 14 00:40:52.023 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 14 00:40:52.023 INFO [stderr]   --> src/grid.rs:22:20
Dec 14 00:40:52.023 INFO [stderr]    |
Dec 14 00:40:52.023 INFO [stderr] 22 |         for col in (1..cols) {
Dec 14 00:40:52.023 INFO [stderr]    |                    ^^^^^^^^^ help: remove these parentheses
Dec 14 00:40:52.023 INFO [stderr]    |
Dec 14 00:40:52.023 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 14 00:40:52.023 INFO [stderr] 
Dec 14 00:40:52.023 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 14 00:40:52.023 INFO [stderr]   --> src/grid.rs:24:24
Dec 14 00:40:52.023 INFO [stderr]    |
Dec 14 00:40:52.023 INFO [stderr] 24 |             for row in (1..rows) {
Dec 14 00:40:52.023 INFO [stderr]    |                        ^^^^^^^^^ help: remove these parentheses
Dec 14 00:40:52.023 INFO [stderr] 
Dec 14 00:40:53.218 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
Dec 14 00:40:53.223 INFO [stderr] su: No module specific data is present
Dec 14 00:40:54.419 INFO running `"docker" "inspect" "2c6c0054bb23847757e3168e6459ea92e809276c58a956d51982bb16fdb3b9cb"`
Dec 14 00:40:54.727 INFO running `"docker" "rm" "-f" "2c6c0054bb23847757e3168e6459ea92e809276c58a956d51982bb16fdb3b9cb"`
Dec 14 00:40:54.955 INFO [stdout] 2c6c0054bb23847757e3168e6459ea92e809276c58a956d51982bb16fdb3b9cb
Dec 14 00:40:54.962 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-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 14 00:40:55.584 INFO [stdout] f07f30017f0c54378becf48e6519bcd4a0a42920bae1fa9fd499d8b0d3e8c833
Dec 14 00:40:55.586 INFO running `"docker" "start" "-a" "f07f30017f0c54378becf48e6519bcd4a0a42920bae1fa9fd499d8b0d3e8c833"`
Dec 14 00:40:56.967 INFO [stderr] usermod: no changes
Dec 14 00:40:57.063 INFO [stderr]    Compiling mazes v0.1.0 (/source)
Dec 14 00:40:58.143 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 14 00:40:58.143 INFO [stderr]   --> src/grid.rs:22:20
Dec 14 00:40:58.143 INFO [stderr]    |
Dec 14 00:40:58.143 INFO [stderr] 22 |         for col in (1..cols) {
Dec 14 00:40:58.143 INFO [stderr]    |                    ^^^^^^^^^ help: remove these parentheses
Dec 14 00:40:58.143 INFO [stderr]    |
Dec 14 00:40:58.143 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 14 00:40:58.143 INFO [stderr] 
Dec 14 00:40:58.143 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 14 00:40:58.143 INFO [stderr]   --> src/grid.rs:24:24
Dec 14 00:40:58.143 INFO [stderr]    |
Dec 14 00:40:58.143 INFO [stderr] 24 |             for row in (1..rows) {
Dec 14 00:40:58.143 INFO [stderr]    |                        ^^^^^^^^^ help: remove these parentheses
Dec 14 00:40:58.143 INFO [stderr] 
Dec 14 00:40:58.959 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.95s
Dec 14 00:40:58.962 INFO [stderr] su: No module specific data is present
Dec 14 00:40:59.579 INFO running `"docker" "inspect" "f07f30017f0c54378becf48e6519bcd4a0a42920bae1fa9fd499d8b0d3e8c833"`
Dec 14 00:40:59.856 INFO running `"docker" "rm" "-f" "f07f30017f0c54378becf48e6519bcd4a0a42920bae1fa9fd499d8b0d3e8c833"`
Dec 14 00:41:00.142 INFO [stdout] f07f30017f0c54378becf48e6519bcd4a0a42920bae1fa9fd499d8b0d3e8c833
Dec 14 00:41:00.144 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-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 14 00:41:00.610 INFO [stdout] 730be6112c4bb5038c44e0f461b4c2833243e7a3179311ad0bbb412a49e236d5
Dec 14 00:41:00.617 INFO running `"docker" "start" "-a" "730be6112c4bb5038c44e0f461b4c2833243e7a3179311ad0bbb412a49e236d5"`
Dec 14 00:41:01.970 INFO [stderr] usermod: no changes
Dec 14 00:41:02.059 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 00:41:02.066 INFO [stderr]      Running /target/debug/deps/mazes-30e5760ef7da2115
Dec 14 00:41:02.071 INFO [stdout] 
Dec 14 00:41:02.076 INFO [stdout] running 2 tests
Dec 14 00:41:02.076 INFO [stdout] test test::grid_cell ... ok
Dec 14 00:41:02.080 INFO [stdout] test test::grid_new ... ok
Dec 14 00:41:02.080 INFO [stderr]      Running /target/debug/deps/mazes-ccedd53607b8ae8c
Dec 14 00:41:02.080 INFO [stdout] 
Dec 14 00:41:02.080 INFO [stderr]    Doc-tests mazes
Dec 14 00:41:02.080 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 00:41:02.080 INFO [stdout] 
Dec 14 00:41:02.080 INFO [stdout] 
Dec 14 00:41:02.080 INFO [stdout] running 0 tests
Dec 14 00:41:02.080 INFO [stdout] 
Dec 14 00:41:02.080 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 00:41:02.080 INFO [stdout] 
Dec 14 00:41:02.706 INFO [stdout] 
Dec 14 00:41:02.706 INFO [stdout] running 0 tests
Dec 14 00:41:02.706 INFO [stdout] 
Dec 14 00:41:02.706 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 00:41:02.706 INFO [stdout] 
Dec 14 00:41:02.713 INFO [stderr] su: No module specific data is present
Dec 14 00:41:03.589 INFO running `"docker" "inspect" "730be6112c4bb5038c44e0f461b4c2833243e7a3179311ad0bbb412a49e236d5"`
Dec 14 00:41:03.889 INFO running `"docker" "rm" "-f" "730be6112c4bb5038c44e0f461b4c2833243e7a3179311ad0bbb412a49e236d5"`
Dec 14 00:41:04.251 INFO [stdout] 730be6112c4bb5038c44e0f461b4c2833243e7a3179311ad0bbb412a49e236d5