Dec 06 04:48:55.757 INFO testing bruce/rust-mazes against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 04:48:55.757 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 04:48:55.951 INFO [stdout] f4ca13d8e81e4fadb2f9e61e8ed0c73d59cd0f681ab6195c172eb55a410bbacf
Dec 06 04:48:55.953 INFO running `"docker" "start" "-a" "f4ca13d8e81e4fadb2f9e61e8ed0c73d59cd0f681ab6195c172eb55a410bbacf"`
Dec 06 04:48:56.896 INFO [stderr] usermod: no changes
Dec 06 04:48:57.013 INFO [stderr]    Compiling mazes v0.1.0 (/source)
Dec 06 04:48:57.364 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 04:48:57.364 INFO [stderr]   --> src/grid.rs:22:20
Dec 06 04:48:57.364 INFO [stderr]    |
Dec 06 04:48:57.364 INFO [stderr] 22 |         for col in (1..cols) {
Dec 06 04:48:57.364 INFO [stderr]    |                    ^^^^^^^^^ help: remove these parentheses
Dec 06 04:48:57.364 INFO [stderr]    |
Dec 06 04:48:57.364 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 06 04:48:57.364 INFO [stderr] 
Dec 06 04:48:57.364 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 04:48:57.364 INFO [stderr]   --> src/grid.rs:24:24
Dec 06 04:48:57.364 INFO [stderr]    |
Dec 06 04:48:57.364 INFO [stderr] 24 |             for row in (1..rows) {
Dec 06 04:48:57.364 INFO [stderr]    |                        ^^^^^^^^^ help: remove these parentheses
Dec 06 04:48:57.364 INFO [stderr] 
Dec 06 04:48:58.409 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
Dec 06 04:48:58.412 INFO [stderr] su: No module specific data is present
Dec 06 04:48:59.024 INFO running `"docker" "inspect" "f4ca13d8e81e4fadb2f9e61e8ed0c73d59cd0f681ab6195c172eb55a410bbacf"`
Dec 06 04:48:59.242 INFO running `"docker" "rm" "-f" "f4ca13d8e81e4fadb2f9e61e8ed0c73d59cd0f681ab6195c172eb55a410bbacf"`
Dec 06 04:48:59.448 INFO [stdout] f4ca13d8e81e4fadb2f9e61e8ed0c73d59cd0f681ab6195c172eb55a410bbacf
Dec 06 04:48:59.451 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 04:48:59.824 INFO [stdout] 65dc3dfa959841bb8205b9ad54868c6a56fa7a90dcb4e766b3f719cb7c0405b0
Dec 06 04:48:59.830 INFO running `"docker" "start" "-a" "65dc3dfa959841bb8205b9ad54868c6a56fa7a90dcb4e766b3f719cb7c0405b0"`
Dec 06 04:49:00.412 INFO [stderr] usermod: no changes
Dec 06 04:49:00.442 INFO [stderr]    Compiling mazes v0.1.0 (/source)
Dec 06 04:49:00.718 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 04:49:00.718 INFO [stderr]   --> src/grid.rs:22:20
Dec 06 04:49:00.718 INFO [stderr]    |
Dec 06 04:49:00.718 INFO [stderr] 22 |         for col in (1..cols) {
Dec 06 04:49:00.718 INFO [stderr]    |                    ^^^^^^^^^ help: remove these parentheses
Dec 06 04:49:00.718 INFO [stderr]    |
Dec 06 04:49:00.718 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 06 04:49:00.718 INFO [stderr] 
Dec 06 04:49:00.718 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Dec 06 04:49:00.718 INFO [stderr]   --> src/grid.rs:24:24
Dec 06 04:49:00.718 INFO [stderr]    |
Dec 06 04:49:00.718 INFO [stderr] 24 |             for row in (1..rows) {
Dec 06 04:49:00.718 INFO [stderr]    |                        ^^^^^^^^^ help: remove these parentheses
Dec 06 04:49:00.718 INFO [stderr] 
Dec 06 04:49:01.076 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Dec 06 04:49:01.079 INFO [stderr] su: No module specific data is present
Dec 06 04:49:01.330 INFO running `"docker" "inspect" "65dc3dfa959841bb8205b9ad54868c6a56fa7a90dcb4e766b3f719cb7c0405b0"`
Dec 06 04:49:01.387 INFO running `"docker" "rm" "-f" "65dc3dfa959841bb8205b9ad54868c6a56fa7a90dcb4e766b3f719cb7c0405b0"`
Dec 06 04:49:01.455 INFO [stdout] 65dc3dfa959841bb8205b9ad54868c6a56fa7a90dcb4e766b3f719cb7c0405b0
Dec 06 04:49:01.458 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 04:49:01.752 INFO [stdout] c2a0e67ce08b465c0b99f081db28756589d935fa79898d299067351286be5a4d
Dec 06 04:49:01.754 INFO running `"docker" "start" "-a" "c2a0e67ce08b465c0b99f081db28756589d935fa79898d299067351286be5a4d"`
Dec 06 04:49:02.834 INFO [stderr] usermod: no changes
Dec 06 04:49:02.893 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 04:49:02.900 INFO [stderr]      Running /target/debug/deps/mazes-03014a9caaaabd91
Dec 06 04:49:02.908 INFO [stdout] 
Dec 06 04:49:02.908 INFO [stdout] running 2 tests
Dec 06 04:49:02.912 INFO [stdout] test test::grid_cell ... ok
Dec 06 04:49:02.912 INFO [stderr]      Running /target/debug/deps/mazes-b9091750b2946396
Dec 06 04:49:02.912 INFO [stdout] test test::grid_new ... ok
Dec 06 04:49:02.912 INFO [stdout] 
Dec 06 04:49:02.912 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 04:49:02.912 INFO [stdout] 
Dec 06 04:49:02.913 INFO [stdout] 
Dec 06 04:49:02.913 INFO [stdout] running 0 tests
Dec 06 04:49:02.913 INFO [stdout] 
Dec 06 04:49:02.913 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 04:49:02.913 INFO [stdout] 
Dec 06 04:49:02.914 INFO [stderr]    Doc-tests mazes
Dec 06 04:49:03.461 INFO [stdout] 
Dec 06 04:49:03.461 INFO [stdout] running 0 tests
Dec 06 04:49:03.461 INFO [stdout] 
Dec 06 04:49:03.461 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 04:49:03.461 INFO [stdout] 
Dec 06 04:49:03.467 INFO [stderr] su: No module specific data is present
Dec 06 04:49:04.080 INFO running `"docker" "inspect" "c2a0e67ce08b465c0b99f081db28756589d935fa79898d299067351286be5a4d"`
Dec 06 04:49:04.356 INFO running `"docker" "rm" "-f" "c2a0e67ce08b465c0b99f081db28756589d935fa79898d299067351286be5a4d"`
Dec 06 04:49:04.740 INFO [stdout] c2a0e67ce08b465c0b99f081db28756589d935fa79898d299067351286be5a4d