Nov 17 12:18:18.480 INFO testing Regan-Koopmans/n-queens against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 12:18:18.480 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:18:18.907 INFO [stdout] bc085ad85da1030087ab403ce1a494a8b520a60afd032edca59336b21c6623d1
Nov 17 12:18:18.915 INFO running `"docker" "start" "-a" "bc085ad85da1030087ab403ce1a494a8b520a60afd032edca59336b21c6623d1"`
Nov 17 12:18:20.507 INFO [stderr] usermod: no changes
Nov 17 12:18:20.563 INFO [stderr]    Compiling n-queens v0.1.0 (/source)
Nov 17 12:18:21.031 INFO [stderr] warning: unused import: `std::process`
Nov 17 12:18:21.032 INFO [stderr]  --> src/main.rs:5:5
Nov 17 12:18:21.032 INFO [stderr]   |
Nov 17 12:18:21.032 INFO [stderr] 5 | use std::process;
Nov 17 12:18:21.033 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 17 12:18:21.033 INFO [stderr]   |
Nov 17 12:18:21.033 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 12:18:21.034 INFO [stderr] 
Nov 17 12:18:21.796 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Nov 17 12:18:21.803 INFO [stderr] su: No module specific data is present
Nov 17 12:18:22.365 INFO running `"docker" "inspect" "bc085ad85da1030087ab403ce1a494a8b520a60afd032edca59336b21c6623d1"`
Nov 17 12:18:22.671 INFO running `"docker" "rm" "-f" "bc085ad85da1030087ab403ce1a494a8b520a60afd032edca59336b21c6623d1"`
Nov 17 12:18:22.981 INFO [stdout] bc085ad85da1030087ab403ce1a494a8b520a60afd032edca59336b21c6623d1
Nov 17 12:18:22.991 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:18:23.499 INFO [stdout] 8f83cc8b07811ec26c7842b5c73d2a82ac099d94b4ec07a75e5342551e5fa9e3
Nov 17 12:18:23.499 INFO running `"docker" "start" "-a" "8f83cc8b07811ec26c7842b5c73d2a82ac099d94b4ec07a75e5342551e5fa9e3"`
Nov 17 12:18:24.770 INFO [stderr] usermod: no changes
Nov 17 12:18:24.855 INFO [stderr]    Compiling n-queens v0.1.0 (/source)
Nov 17 12:18:25.407 INFO [stderr] warning: unused import: `std::process`
Nov 17 12:18:25.408 INFO [stderr]  --> src/main.rs:5:5
Nov 17 12:18:25.408 INFO [stderr]   |
Nov 17 12:18:25.408 INFO [stderr] 5 | use std::process;
Nov 17 12:18:25.409 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 17 12:18:25.409 INFO [stderr]   |
Nov 17 12:18:25.409 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 12:18:25.410 INFO [stderr] 
Nov 17 12:18:25.983 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.17s
Nov 17 12:18:25.983 INFO [stderr] su: No module specific data is present
Nov 17 12:18:26.663 INFO running `"docker" "inspect" "8f83cc8b07811ec26c7842b5c73d2a82ac099d94b4ec07a75e5342551e5fa9e3"`
Nov 17 12:18:26.955 INFO running `"docker" "rm" "-f" "8f83cc8b07811ec26c7842b5c73d2a82ac099d94b4ec07a75e5342551e5fa9e3"`
Nov 17 12:18:27.369 INFO [stdout] 8f83cc8b07811ec26c7842b5c73d2a82ac099d94b4ec07a75e5342551e5fa9e3
Nov 17 12:18:27.375 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-6/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 12:18:27.939 INFO [stdout] e214dc385bf3590281f2f0fdc35395e425c6a0f6bc931132d6e6f0755e368119
Nov 17 12:18:27.941 INFO running `"docker" "start" "-a" "e214dc385bf3590281f2f0fdc35395e425c6a0f6bc931132d6e6f0755e368119"`
Nov 17 12:18:29.215 INFO [stderr] usermod: no changes
Nov 17 12:18:29.307 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
Nov 17 12:18:29.323 INFO [stderr]      Running /target/debug/deps/n_queens-2867fe1a3c7f17e8
Nov 17 12:18:29.323 INFO [stdout] 
Nov 17 12:18:29.323 INFO [stdout] running 0 tests
Nov 17 12:18:29.323 INFO [stdout] 
Nov 17 12:18:29.323 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 12:18:29.323 INFO [stdout] 
Nov 17 12:18:29.327 INFO [stderr] su: No module specific data is present
Nov 17 12:18:30.019 INFO running `"docker" "inspect" "e214dc385bf3590281f2f0fdc35395e425c6a0f6bc931132d6e6f0755e368119"`
Nov 17 12:18:30.275 INFO running `"docker" "rm" "-f" "e214dc385bf3590281f2f0fdc35395e425c6a0f6bc931132d6e6f0755e368119"`
Nov 17 12:18:30.665 INFO [stdout] e214dc385bf3590281f2f0fdc35395e425c6a0f6bc931132d6e6f0755e368119