[INFO] cloning repository https://github.com/cookiecavekeeper/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/cookiecavekeeper/sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcookiecavekeeper%2Fsudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcookiecavekeeper%2Fsudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4267d2015b8e5c8686c991ad7c1993e4d72f518
[INFO] checking cookiecavekeeper/sudoku-solver against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcookiecavekeeper%2Fsudoku-solver" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cookiecavekeeper/sudoku-solver on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cookiecavekeeper/sudoku-solver
[INFO] finished tweaking git repo https://github.com/cookiecavekeeper/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/cookiecavekeeper/sudoku-solver written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/cookiecavekeeper/sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ab7241bf13f48274b463327ca4b88254dfb67806615772668692c25b0e485f4
[INFO] running `Command { std: "docker" "start" "-a" "3ab7241bf13f48274b463327ca4b88254dfb67806615772668692c25b0e485f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ab7241bf13f48274b463327ca4b88254dfb67806615772668692c25b0e485f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab7241bf13f48274b463327ca4b88254dfb67806615772668692c25b0e485f4", kill_on_drop: false }`
[INFO] [stdout] 3ab7241bf13f48274b463327ca4b88254dfb67806615772668692c25b0e485f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7a5f52f73fc5976c8d12aa2ca0aefd78d7334420c6fd480ec9f20a4f7e3ce50
[INFO] running `Command { std: "docker" "start" "-a" "a7a5f52f73fc5976c8d12aa2ca0aefd78d7334420c6fd480ec9f20a4f7e3ce50", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "a7a5f52f73fc5976c8d12aa2ca0aefd78d7334420c6fd480ec9f20a4f7e3ce50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a5f52f73fc5976c8d12aa2ca0aefd78d7334420c6fd480ec9f20a4f7e3ce50", kill_on_drop: false }`
[INFO] [stdout] a7a5f52f73fc5976c8d12aa2ca0aefd78d7334420c6fd480ec9f20a4f7e3ce50