[INFO] cloning repository https://github.com/DiDeoxy/puzzle_15_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DiDeoxy/puzzle_15_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiDeoxy%2Fpuzzle_15_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiDeoxy%2Fpuzzle_15_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1bd98be591347c1bab045c9268fb7a59664cc73
[INFO] checking DiDeoxy/puzzle_15_solver against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDiDeoxy%2Fpuzzle_15_solver" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DiDeoxy/puzzle_15_solver on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DiDeoxy/puzzle_15_solver
[INFO] finished tweaking git repo https://github.com/DiDeoxy/puzzle_15_solver
[INFO] tweaked toml for git repo https://github.com/DiDeoxy/puzzle_15_solver written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/DiDeoxy/puzzle_15_solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc84ecb042157de6f33bde7609d65d8deff89950e8ca739f5eb6f4255985d092
[INFO] running `Command { std: "docker" "start" "-a" "dc84ecb042157de6f33bde7609d65d8deff89950e8ca739f5eb6f4255985d092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc84ecb042157de6f33bde7609d65d8deff89950e8ca739f5eb6f4255985d092", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc84ecb042157de6f33bde7609d65d8deff89950e8ca739f5eb6f4255985d092", kill_on_drop: false }`
[INFO] [stdout] dc84ecb042157de6f33bde7609d65d8deff89950e8ca739f5eb6f4255985d092
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a415473ba1ff086c08b0b5ec9ecd4748b0ebe9187d9e55c966533d2d4ae90965
[INFO] running `Command { std: "docker" "start" "-a" "a415473ba1ff086c08b0b5ec9ecd4748b0ebe9187d9e55c966533d2d4ae90965", kill_on_drop: false }`
[INFO] [stderr]     Checking keyed_priority_queue v0.1.3
[INFO] [stderr]     Checking puzzle_15_solver_v2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "a415473ba1ff086c08b0b5ec9ecd4748b0ebe9187d9e55c966533d2d4ae90965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a415473ba1ff086c08b0b5ec9ecd4748b0ebe9187d9e55c966533d2d4ae90965", kill_on_drop: false }`
[INFO] [stdout] a415473ba1ff086c08b0b5ec9ecd4748b0ebe9187d9e55c966533d2d4ae90965