Dec 14 06:29:14.828 INFO testing Regan-Koopmans/n-queens against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 14 06:29:14.828 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 06:29:15.243 INFO [stdout] 91c0ac7c61fbc6cad1a3ce0eb37ca24beeb8ab3b011197aecddc649520ef213a
Dec 14 06:29:15.247 INFO running `"docker" "start" "-a" "91c0ac7c61fbc6cad1a3ce0eb37ca24beeb8ab3b011197aecddc649520ef213a"`
Dec 14 06:29:17.243 INFO [stderr] usermod: no changes
Dec 14 06:29:17.298 INFO [stderr]    Compiling n-queens v0.1.0 (/source)
Dec 14 06:29:17.851 INFO [stderr] warning: unused import: `std::process`
Dec 14 06:29:17.851 INFO [stderr]  --> src/main.rs:5:5
Dec 14 06:29:17.851 INFO [stderr]   |
Dec 14 06:29:17.851 INFO [stderr] 5 | use std::process;
Dec 14 06:29:17.851 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 14 06:29:17.851 INFO [stderr]   |
Dec 14 06:29:17.851 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 06:29:17.851 INFO [stderr] 
Dec 14 06:29:18.622 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
Dec 14 06:29:18.630 INFO [stderr] su: No module specific data is present
Dec 14 06:29:19.791 INFO running `"docker" "inspect" "91c0ac7c61fbc6cad1a3ce0eb37ca24beeb8ab3b011197aecddc649520ef213a"`
Dec 14 06:29:20.075 INFO running `"docker" "rm" "-f" "91c0ac7c61fbc6cad1a3ce0eb37ca24beeb8ab3b011197aecddc649520ef213a"`
Dec 14 06:29:20.286 INFO [stdout] 91c0ac7c61fbc6cad1a3ce0eb37ca24beeb8ab3b011197aecddc649520ef213a
Dec 14 06:29:20.289 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 06:29:20.781 INFO [stdout] 5b87c9bbb49894e53db33337f0bee0694c891cfa376e2d522a5dd05e92f97d4f
Dec 14 06:29:20.783 INFO running `"docker" "start" "-a" "5b87c9bbb49894e53db33337f0bee0694c891cfa376e2d522a5dd05e92f97d4f"`
Dec 14 06:29:22.711 INFO [stderr] usermod: no changes
Dec 14 06:29:22.781 INFO [stderr]    Compiling n-queens v0.1.0 (/source)
Dec 14 06:29:23.400 INFO [stderr] warning: unused import: `std::process`
Dec 14 06:29:23.400 INFO [stderr]  --> src/main.rs:5:5
Dec 14 06:29:23.400 INFO [stderr]   |
Dec 14 06:29:23.401 INFO [stderr] 5 | use std::process;
Dec 14 06:29:23.401 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 14 06:29:23.401 INFO [stderr]   |
Dec 14 06:29:23.401 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 14 06:29:23.401 INFO [stderr] 
Dec 14 06:29:23.995 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Dec 14 06:29:23.995 INFO [stderr] su: No module specific data is present
Dec 14 06:29:24.771 INFO running `"docker" "inspect" "5b87c9bbb49894e53db33337f0bee0694c891cfa376e2d522a5dd05e92f97d4f"`
Dec 14 06:29:25.041 INFO running `"docker" "rm" "-f" "5b87c9bbb49894e53db33337f0bee0694c891cfa376e2d522a5dd05e92f97d4f"`
Dec 14 06:29:25.366 INFO [stdout] 5b87c9bbb49894e53db33337f0bee0694c891cfa376e2d522a5dd05e92f97d4f
Dec 14 06:29:25.373 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 06:29:25.864 INFO [stdout] ba19f483bf902e9e16c3b6a8183539e87f5d1e14753524a774c7ba4c929430ff
Dec 14 06:29:25.867 INFO running `"docker" "start" "-a" "ba19f483bf902e9e16c3b6a8183539e87f5d1e14753524a774c7ba4c929430ff"`
Dec 14 06:29:27.221 INFO [stderr] usermod: no changes
Dec 14 06:29:27.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 14 06:29:27.273 INFO [stderr]      Running /target/debug/deps/n_queens-c02f254112c38d86
Dec 14 06:29:27.273 INFO [stdout] 
Dec 14 06:29:27.273 INFO [stdout] running 0 tests
Dec 14 06:29:27.273 INFO [stdout] 
Dec 14 06:29:27.273 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 06:29:27.273 INFO [stdout] 
Dec 14 06:29:27.274 INFO [stderr] su: No module specific data is present
Dec 14 06:29:28.144 INFO running `"docker" "inspect" "ba19f483bf902e9e16c3b6a8183539e87f5d1e14753524a774c7ba4c929430ff"`
Dec 14 06:29:28.361 INFO running `"docker" "rm" "-f" "ba19f483bf902e9e16c3b6a8183539e87f5d1e14753524a774c7ba4c929430ff"`
Dec 14 06:29:28.705 INFO [stdout] ba19f483bf902e9e16c3b6a8183539e87f5d1e14753524a774c7ba4c929430ff