[INFO] cloning repository https://github.com/DenSASoftware/sudokusolver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DenSASoftware/sudokusolver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenSASoftware%2Fsudokusolver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenSASoftware%2Fsudokusolver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07cbd6a5f22bb5a48262e9540306d1f86c00386a
[INFO] checking DenSASoftware/sudokusolver against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenSASoftware%2Fsudokusolver" "/workspace/builds/worker-48/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-48/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DenSASoftware/sudokusolver on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DenSASoftware/sudokusolver
[INFO] finished tweaking git repo https://github.com/DenSASoftware/sudokusolver
[INFO] tweaked toml for git repo https://github.com/DenSASoftware/sudokusolver written to /workspace/builds/worker-48/source/Cargo.toml
[INFO] crate git repo https://github.com/DenSASoftware/sudokusolver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5776e24014a149158334a51d839b7ab8de198d3f908c4e6310284223b9becdef
[INFO] running `Command { std: "docker" "start" "-a" "5776e24014a149158334a51d839b7ab8de198d3f908c4e6310284223b9becdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5776e24014a149158334a51d839b7ab8de198d3f908c4e6310284223b9becdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5776e24014a149158334a51d839b7ab8de198d3f908c4e6310284223b9becdef", kill_on_drop: false }`
[INFO] [stdout] 5776e24014a149158334a51d839b7ab8de198d3f908c4e6310284223b9becdef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-48/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1778eee232bfbb7bcc8742f9d9d4667cf306169ec98412b84696319cf11d9eaf
[INFO] running `Command { std: "docker" "start" "-a" "1778eee232bfbb7bcc8742f9d9d4667cf306169ec98412b84696319cf11d9eaf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking sudokusolver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.99s
[INFO] running `Command { std: "docker" "inspect" "1778eee232bfbb7bcc8742f9d9d4667cf306169ec98412b84696319cf11d9eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1778eee232bfbb7bcc8742f9d9d4667cf306169ec98412b84696319cf11d9eaf", kill_on_drop: false }`
[INFO] [stdout] 1778eee232bfbb7bcc8742f9d9d4667cf306169ec98412b84696319cf11d9eaf