[INFO] cloning repository https://github.com/35359595/n-Queens-Completion-Puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/35359595/n-Queens-Completion-Puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Fn-Queens-Completion-Puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Fn-Queens-Completion-Puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0a3948ea940ad63455e6bd8be7119e8e0d33c12
[INFO] testing 35359595/n-Queens-Completion-Puzzle against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F35359595%2Fn-Queens-Completion-Puzzle" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/35359595/n-Queens-Completion-Puzzle on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/35359595/n-Queens-Completion-Puzzle
[INFO] finished tweaking git repo https://github.com/35359595/n-Queens-Completion-Puzzle
[INFO] tweaked toml for git repo https://github.com/35359595/n-Queens-Completion-Puzzle written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/35359595/n-Queens-Completion-Puzzle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99f2f00d181289b08152593372a311bde12b3d2aeb1e0145a9be769c1b2fe66d
[INFO] running `Command { std: "docker" "start" "-a" "99f2f00d181289b08152593372a311bde12b3d2aeb1e0145a9be769c1b2fe66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99f2f00d181289b08152593372a311bde12b3d2aeb1e0145a9be769c1b2fe66d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99f2f00d181289b08152593372a311bde12b3d2aeb1e0145a9be769c1b2fe66d", kill_on_drop: false }`
[INFO] [stdout] 99f2f00d181289b08152593372a311bde12b3d2aeb1e0145a9be769c1b2fe66d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bf83f80c16d4e7850723fdb6acaee1b38f7732c3df975345bfd895dd5d49bb7
[INFO] running `Command { std: "docker" "start" "-a" "8bf83f80c16d4e7850723fdb6acaee1b38f7732c3df975345bfd895dd5d49bb7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling queen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "8bf83f80c16d4e7850723fdb6acaee1b38f7732c3df975345bfd895dd5d49bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bf83f80c16d4e7850723fdb6acaee1b38f7732c3df975345bfd895dd5d49bb7", kill_on_drop: false }`
[INFO] [stdout] 8bf83f80c16d4e7850723fdb6acaee1b38f7732c3df975345bfd895dd5d49bb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4ad1dc93e11cbc1514a3b572ac6285f6f6ca85e782facef9742317c1edf0b23
[INFO] running `Command { std: "docker" "start" "-a" "c4ad1dc93e11cbc1514a3b572ac6285f6f6ca85e782facef9742317c1edf0b23", kill_on_drop: false }`
[INFO] [stderr]    Compiling queen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "c4ad1dc93e11cbc1514a3b572ac6285f6f6ca85e782facef9742317c1edf0b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ad1dc93e11cbc1514a3b572ac6285f6f6ca85e782facef9742317c1edf0b23", kill_on_drop: false }`
[INFO] [stdout] c4ad1dc93e11cbc1514a3b572ac6285f6f6ca85e782facef9742317c1edf0b23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb8c40727134e31846bd864f1c1a4e1aaac4a396b96436fe2c9b0d0198ecdc4f
[INFO] running `Command { std: "docker" "start" "-a" "fb8c40727134e31846bd864f1c1a4e1aaac4a396b96436fe2c9b0d0198ecdc4f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/queen-23b55c3e26db77b1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fb8c40727134e31846bd864f1c1a4e1aaac4a396b96436fe2c9b0d0198ecdc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8c40727134e31846bd864f1c1a4e1aaac4a396b96436fe2c9b0d0198ecdc4f", kill_on_drop: false }`
[INFO] [stdout] fb8c40727134e31846bd864f1c1a4e1aaac4a396b96436fe2c9b0d0198ecdc4f