[INFO] cloning repository https://github.com/funcnet/n_queens_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/funcnet/n_queens_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuncnet%2Fn_queens_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuncnet%2Fn_queens_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e0730c503c298ece9fcfd433eb8f517d2645050 [INFO] testing funcnet/n_queens_rust against beta-2022-02-22 for beta-1.60-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffuncnet%2Fn_queens_rust" "/workspace/builds/worker-26/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/funcnet/n_queens_rust on toolchain beta-2022-02-22 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/funcnet/n_queens_rust [INFO] finished tweaking git repo https://github.com/funcnet/n_queens_rust [INFO] tweaked toml for git repo https://github.com/funcnet/n_queens_rust written to /workspace/builds/worker-26/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9018b1baead1a216aa160f0917dd0a5b102857cf7ebcdf5ca50e1d94721c29f2 [INFO] running `Command { std: "docker" "start" "-a" "9018b1baead1a216aa160f0917dd0a5b102857cf7ebcdf5ca50e1d94721c29f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9018b1baead1a216aa160f0917dd0a5b102857cf7ebcdf5ca50e1d94721c29f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9018b1baead1a216aa160f0917dd0a5b102857cf7ebcdf5ca50e1d94721c29f2", kill_on_drop: false }` [INFO] [stdout] 9018b1baead1a216aa160f0917dd0a5b102857cf7ebcdf5ca50e1d94721c29f2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f490ecfdecddda3c7053525cc5310297ba1b2ec32df5190c3acc9be6365f570f [INFO] running `Command { std: "docker" "start" "-a" "f490ecfdecddda3c7053525cc5310297ba1b2ec32df5190c3acc9be6365f570f", kill_on_drop: false }` [INFO] [stderr] Compiling n_queens_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "f490ecfdecddda3c7053525cc5310297ba1b2ec32df5190c3acc9be6365f570f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f490ecfdecddda3c7053525cc5310297ba1b2ec32df5190c3acc9be6365f570f", kill_on_drop: false }` [INFO] [stdout] f490ecfdecddda3c7053525cc5310297ba1b2ec32df5190c3acc9be6365f570f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4da7e5e6fc25cb019ad8335b5c93a05cfb69ef1ca558cfe5a08b210c6da17005 [INFO] running `Command { std: "docker" "start" "-a" "4da7e5e6fc25cb019ad8335b5c93a05cfb69ef1ca558cfe5a08b210c6da17005", kill_on_drop: false }` [INFO] [stderr] Compiling n_queens_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.37s [INFO] running `Command { std: "docker" "inspect" "4da7e5e6fc25cb019ad8335b5c93a05cfb69ef1ca558cfe5a08b210c6da17005", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4da7e5e6fc25cb019ad8335b5c93a05cfb69ef1ca558cfe5a08b210c6da17005", kill_on_drop: false }` [INFO] [stdout] 4da7e5e6fc25cb019ad8335b5c93a05cfb69ef1ca558cfe5a08b210c6da17005 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b40a187b0440beaebbffc8899cfab54e2ea74cb4858092225d8d3bf02620e0a7 [INFO] running `Command { std: "docker" "start" "-a" "b40a187b0440beaebbffc8899cfab54e2ea74cb4858092225d8d3bf02620e0a7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.53s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/n_queens_rust-07c4d944bb4abb71) [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" "b40a187b0440beaebbffc8899cfab54e2ea74cb4858092225d8d3bf02620e0a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b40a187b0440beaebbffc8899cfab54e2ea74cb4858092225d8d3bf02620e0a7", kill_on_drop: false }` [INFO] [stdout] b40a187b0440beaebbffc8899cfab54e2ea74cb4858092225d8d3bf02620e0a7