Dec 06 10:18:18.426 INFO testing Regan-Koopmans/n-queens against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 10:18:18.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 10:18:18.974 INFO [stdout] 08dd0089e068d03da3d712f665ddab00b2a026ce68f78615bdc724cdfcea81b2
Dec 06 10:18:18.979 INFO running `"docker" "start" "-a" "08dd0089e068d03da3d712f665ddab00b2a026ce68f78615bdc724cdfcea81b2"`
Dec 06 10:18:20.199 INFO [stderr] usermod: no changes
Dec 06 10:18:20.296 INFO [stderr]    Compiling n-queens v0.1.0 (/source)
Dec 06 10:18:20.851 INFO [stderr] warning: unused import: `std::process`
Dec 06 10:18:20.851 INFO [stderr]  --> src/main.rs:5:5
Dec 06 10:18:20.852 INFO [stderr]   |
Dec 06 10:18:20.852 INFO [stderr] 5 | use std::process;
Dec 06 10:18:20.852 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 06 10:18:20.853 INFO [stderr]   |
Dec 06 10:18:20.853 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 10:18:20.853 INFO [stderr] 
Dec 06 10:18:21.607 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Dec 06 10:18:21.612 INFO [stderr] su: No module specific data is present
Dec 06 10:18:22.724 INFO running `"docker" "inspect" "08dd0089e068d03da3d712f665ddab00b2a026ce68f78615bdc724cdfcea81b2"`
Dec 06 10:18:23.026 INFO running `"docker" "rm" "-f" "08dd0089e068d03da3d712f665ddab00b2a026ce68f78615bdc724cdfcea81b2"`
Dec 06 10:18:23.424 INFO [stdout] 08dd0089e068d03da3d712f665ddab00b2a026ce68f78615bdc724cdfcea81b2
Dec 06 10:18:23.432 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 10:18:23.832 INFO [stdout] b1be7dc6424dd5c343ae789f5f25fb530189a4e9875749223b774e9e22110b30
Dec 06 10:18:23.839 INFO running `"docker" "start" "-a" "b1be7dc6424dd5c343ae789f5f25fb530189a4e9875749223b774e9e22110b30"`
Dec 06 10:18:25.376 INFO [stderr] usermod: no changes
Dec 06 10:18:25.464 INFO [stderr]    Compiling n-queens v0.1.0 (/source)
Dec 06 10:18:26.100 INFO [stderr] warning: unused import: `std::process`
Dec 06 10:18:26.100 INFO [stderr]  --> src/main.rs:5:5
Dec 06 10:18:26.100 INFO [stderr]   |
Dec 06 10:18:26.100 INFO [stderr] 5 | use std::process;
Dec 06 10:18:26.100 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 06 10:18:26.100 INFO [stderr]   |
Dec 06 10:18:26.100 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 06 10:18:26.100 INFO [stderr] 
Dec 06 10:18:26.568 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Dec 06 10:18:26.570 INFO [stderr] su: No module specific data is present
Dec 06 10:18:27.274 INFO running `"docker" "inspect" "b1be7dc6424dd5c343ae789f5f25fb530189a4e9875749223b774e9e22110b30"`
Dec 06 10:18:27.640 INFO running `"docker" "rm" "-f" "b1be7dc6424dd5c343ae789f5f25fb530189a4e9875749223b774e9e22110b30"`
Dec 06 10:18:27.904 INFO [stdout] b1be7dc6424dd5c343ae789f5f25fb530189a4e9875749223b774e9e22110b30
Dec 06 10:18:27.912 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 10:18:28.328 INFO [stdout] ccc34f458aaa28a342906fb271c4d73f180f32fd12cfdac855c4f66279c5e956
Dec 06 10:18:28.334 INFO running `"docker" "start" "-a" "ccc34f458aaa28a342906fb271c4d73f180f32fd12cfdac855c4f66279c5e956"`
Dec 06 10:18:29.459 INFO [stderr] usermod: no changes
Dec 06 10:18:29.549 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
Dec 06 10:18:29.549 INFO [stderr]      Running /target/debug/deps/n_queens-33f282c9d82b9fa7
Dec 06 10:18:29.556 INFO [stdout] 
Dec 06 10:18:29.556 INFO [stdout] running 0 tests
Dec 06 10:18:29.556 INFO [stdout] 
Dec 06 10:18:29.556 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 10:18:29.556 INFO [stdout] 
Dec 06 10:18:29.556 INFO [stderr] su: No module specific data is present
Dec 06 10:18:30.456 INFO running `"docker" "inspect" "ccc34f458aaa28a342906fb271c4d73f180f32fd12cfdac855c4f66279c5e956"`
Dec 06 10:18:30.848 INFO running `"docker" "rm" "-f" "ccc34f458aaa28a342906fb271c4d73f180f32fd12cfdac855c4f66279c5e956"`
Dec 06 10:18:31.204 INFO [stdout] ccc34f458aaa28a342906fb271c4d73f180f32fd12cfdac855c4f66279c5e956