[INFO] cloning repository https://github.com/layyne/nqueens
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/layyne/nqueens" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flayyne%2Fnqueens", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flayyne%2Fnqueens'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e1d3923b8ed5b9a33936339ab5c880f5c0ff181
[INFO] testing layyne/nqueens 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%2Flayyne%2Fnqueens" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/layyne/nqueens 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/layyne/nqueens
[INFO] finished tweaking git repo https://github.com/layyne/nqueens
[INFO] tweaked toml for git repo https://github.com/layyne/nqueens written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/layyne/nqueens 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 227b34af00ee965edfd412c4c21ca41c4ce75c2958f867a9b7cd39308ab1cc25
[INFO] running `Command { std: "docker" "start" "-a" "227b34af00ee965edfd412c4c21ca41c4ce75c2958f867a9b7cd39308ab1cc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "227b34af00ee965edfd412c4c21ca41c4ce75c2958f867a9b7cd39308ab1cc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "227b34af00ee965edfd412c4c21ca41c4ce75c2958f867a9b7cd39308ab1cc25", kill_on_drop: false }`
[INFO] [stdout] 227b34af00ee965edfd412c4c21ca41c4ce75c2958f867a9b7cd39308ab1cc25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] eb2fdf2d6d031da1453ed85c356edfab531c97a26828b0ff97619889af2e5fc2
[INFO] running `Command { std: "docker" "start" "-a" "eb2fdf2d6d031da1453ed85c356edfab531c97a26828b0ff97619889af2e5fc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling queens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "eb2fdf2d6d031da1453ed85c356edfab531c97a26828b0ff97619889af2e5fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb2fdf2d6d031da1453ed85c356edfab531c97a26828b0ff97619889af2e5fc2", kill_on_drop: false }`
[INFO] [stdout] eb2fdf2d6d031da1453ed85c356edfab531c97a26828b0ff97619889af2e5fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 05372cabed0a664bd9567d775669faeb8736f81e809a58bd15c1863aaf0ebda6
[INFO] running `Command { std: "docker" "start" "-a" "05372cabed0a664bd9567d775669faeb8736f81e809a58bd15c1863aaf0ebda6", kill_on_drop: false }`
[INFO] [stderr]    Compiling queens v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "05372cabed0a664bd9567d775669faeb8736f81e809a58bd15c1863aaf0ebda6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05372cabed0a664bd9567d775669faeb8736f81e809a58bd15c1863aaf0ebda6", kill_on_drop: false }`
[INFO] [stdout] 05372cabed0a664bd9567d775669faeb8736f81e809a58bd15c1863aaf0ebda6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b7d2fcad9c31082e8d9ea7b16866843a871d0b811526f8f3c572ae0b6b077c04
[INFO] running `Command { std: "docker" "start" "-a" "b7d2fcad9c31082e8d9ea7b16866843a871d0b811526f8f3c572ae0b6b077c04", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/queens-15d59bc3d130703e)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/queens-b065f91118e83f42)
[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] [stderr]    Doc-tests queens
[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" "b7d2fcad9c31082e8d9ea7b16866843a871d0b811526f8f3c572ae0b6b077c04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d2fcad9c31082e8d9ea7b16866843a871d0b811526f8f3c572ae0b6b077c04", kill_on_drop: false }`
[INFO] [stdout] b7d2fcad9c31082e8d9ea7b16866843a871d0b811526f8f3c572ae0b6b077c04