[INFO] cloning repository https://github.com/scottnm/rusty-sudoku-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottnm/rusty-sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottnm%2Frusty-sudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottnm%2Frusty-sudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8de8e20f20db2302f7c9de6c68d6e25f06e007f
[INFO] testing scottnm/rusty-sudoku-solver 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%2Fscottnm%2Frusty-sudoku-solver" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scottnm/rusty-sudoku-solver 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/scottnm/rusty-sudoku-solver
[INFO] finished tweaking git repo https://github.com/scottnm/rusty-sudoku-solver
[INFO] tweaked toml for git repo https://github.com/scottnm/rusty-sudoku-solver written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/scottnm/rusty-sudoku-solver 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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 99a0bdb83ea63f1dc8540b5e1ff45f8d2d87ca9b6e72fb7b7227bcb7295f3ec2
[INFO] running `Command { std: "docker" "start" "-a" "99a0bdb83ea63f1dc8540b5e1ff45f8d2d87ca9b6e72fb7b7227bcb7295f3ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99a0bdb83ea63f1dc8540b5e1ff45f8d2d87ca9b6e72fb7b7227bcb7295f3ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a0bdb83ea63f1dc8540b5e1ff45f8d2d87ca9b6e72fb7b7227bcb7295f3ec2", kill_on_drop: false }`
[INFO] [stdout] 99a0bdb83ea63f1dc8540b5e1ff45f8d2d87ca9b6e72fb7b7227bcb7295f3ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 4d959c496c39a193e2e6fd434cfc940a16fc881c3f989fdcd69c565730c6bf9f
[INFO] running `Command { std: "docker" "start" "-a" "4d959c496c39a193e2e6fd434cfc940a16fc881c3f989fdcd69c565730c6bf9f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.01s
[INFO] running `Command { std: "docker" "inspect" "4d959c496c39a193e2e6fd434cfc940a16fc881c3f989fdcd69c565730c6bf9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d959c496c39a193e2e6fd434cfc940a16fc881c3f989fdcd69c565730c6bf9f", kill_on_drop: false }`
[INFO] [stdout] 4d959c496c39a193e2e6fd434cfc940a16fc881c3f989fdcd69c565730c6bf9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 37fe503ea6c7675c72a9afde0e6bdbedb199cc21720cfd6d6112c50f49cf17da
[INFO] running `Command { std: "docker" "start" "-a" "37fe503ea6c7675c72a9afde0e6bdbedb199cc21720cfd6d6112c50f49cf17da", kill_on_drop: false }`
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "37fe503ea6c7675c72a9afde0e6bdbedb199cc21720cfd6d6112c50f49cf17da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37fe503ea6c7675c72a9afde0e6bdbedb199cc21720cfd6d6112c50f49cf17da", kill_on_drop: false }`
[INFO] [stdout] 37fe503ea6c7675c72a9afde0e6bdbedb199cc21720cfd6d6112c50f49cf17da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 06c095fae1752549b0c442cc06aabf0855b545aa2407706defc1c6f1d0df2254
[INFO] running `Command { std: "docker" "start" "-a" "06c095fae1752549b0c442cc06aabf0855b545aa2407706defc1c6f1d0df2254", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku_solver-b6dde459b8364844)
[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" "06c095fae1752549b0c442cc06aabf0855b545aa2407706defc1c6f1d0df2254", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c095fae1752549b0c442cc06aabf0855b545aa2407706defc1c6f1d0df2254", kill_on_drop: false }`
[INFO] [stdout] 06c095fae1752549b0c442cc06aabf0855b545aa2407706defc1c6f1d0df2254