[INFO] cloning repository https://github.com/dtricks/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/dtricks/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtricks%2Fsudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtricks%2Fsudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b1a196b315217700e2c73f2b714902f9ed744f5
[INFO] checking dtricks/sudoku-solver against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtricks%2Fsudoku-solver" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file test-sudoku3.txt
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking dtricks/sudoku-solver against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdtricks%2Fsudoku-solver" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dtricks/sudoku-solver on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dtricks/sudoku-solver
[INFO] finished tweaking git repo https://github.com/dtricks/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/dtricks/sudoku-solver written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dtricks/sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8e7f26d1ac2a2a70048390d24bf4f6451d63f2aaa8165ecd624e90ee4f5fd7a
[INFO] running `Command { std: "docker" "start" "-a" "e8e7f26d1ac2a2a70048390d24bf4f6451d63f2aaa8165ecd624e90ee4f5fd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8e7f26d1ac2a2a70048390d24bf4f6451d63f2aaa8165ecd624e90ee4f5fd7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e7f26d1ac2a2a70048390d24bf4f6451d63f2aaa8165ecd624e90ee4f5fd7a", kill_on_drop: false }`
[INFO] [stdout] e8e7f26d1ac2a2a70048390d24bf4f6451d63f2aaa8165ecd624e90ee4f5fd7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d68804492e3e61251bdf791b92e0122e41b4592994b1f851f8d1ecba8da01940
[INFO] running `Command { std: "docker" "start" "-a" "d68804492e3e61251bdf791b92e0122e41b4592994b1f851f8d1ecba8da01940", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "d68804492e3e61251bdf791b92e0122e41b4592994b1f851f8d1ecba8da01940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68804492e3e61251bdf791b92e0122e41b4592994b1f851f8d1ecba8da01940", kill_on_drop: false }`
[INFO] [stdout] d68804492e3e61251bdf791b92e0122e41b4592994b1f851f8d1ecba8da01940