[INFO] cloning repository https://github.com/mlbright/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mlbright/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlbright%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlbright%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fbf1caf569081c9d8f7e869cf174bc2e3876681
[INFO] checking mlbright/sudoku/2fbf1caf569081c9d8f7e869cf174bc2e3876681 against master#80b898258da78fdd1262438126aa0cf90e395f0c for pr-149195-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmlbright%2Fsudoku" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mlbright/sudoku
[INFO] finished tweaking git repo https://github.com/mlbright/sudoku
[INFO] tweaked toml for git repo https://github.com/mlbright/sudoku written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mlbright/sudoku on toolchain 80b898258da78fdd1262438126aa0cf90e395f0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/mlbright/sudoku-norvig-rs`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-macro v2.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10640b8254a5f74bc885d5508cd2ab507bd697f9dd96f55c00411e79dbe5300a
[INFO] running `Command { std: "docker" "start" "-a" "10640b8254a5f74bc885d5508cd2ab507bd697f9dd96f55c00411e79dbe5300a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10640b8254a5f74bc885d5508cd2ab507bd697f9dd96f55c00411e79dbe5300a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10640b8254a5f74bc885d5508cd2ab507bd697f9dd96f55c00411e79dbe5300a", kill_on_drop: false }`
[INFO] [stdout] 10640b8254a5f74bc885d5508cd2ab507bd697f9dd96f55c00411e79dbe5300a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+80b898258da78fdd1262438126aa0cf90e395f0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dda7b320f654dbaa18698d95b12ad9231cabe07ee7cef711f238ecc04353eba5
[INFO] running `Command { std: "docker" "start" "-a" "dda7b320f654dbaa18698d95b12ad9231cabe07ee7cef711f238ecc04353eba5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.108
[INFO] [stderr]    Compiling zerocopy v0.8.38
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling bumpalo v3.19.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking array-macro v2.1.8
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.108
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.108
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.108
[INFO] [stderr]     Checking sudoku v0.14.0 (https://github.com/mlbright/sudoku-norvig-rs#6f9c64b7)
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.86s
[INFO] running `Command { std: "docker" "inspect" "dda7b320f654dbaa18698d95b12ad9231cabe07ee7cef711f238ecc04353eba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dda7b320f654dbaa18698d95b12ad9231cabe07ee7cef711f238ecc04353eba5", kill_on_drop: false }`
[INFO] [stdout] dda7b320f654dbaa18698d95b12ad9231cabe07ee7cef711f238ecc04353eba5