[INFO] cloning repository https://github.com/stisol/Maze-Solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stisol/Maze-Solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2FMaze-Solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2FMaze-Solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23d66f0080bf10eff1d9e768bf446cba8015d3bc
[INFO] testing stisol/Maze-Solver against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstisol%2FMaze-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/stisol/Maze-Solver on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stisol/Maze-Solver
[INFO] finished tweaking git repo https://github.com/stisol/Maze-Solver
[INFO] tweaked toml for git repo https://github.com/stisol/Maze-Solver written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/stisol/Maze-Solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f56b6ffbe375625d4eae64c23c728dd0333b7a8e868adfee1dbdbf292a2464c
[INFO] running `Command { std: "docker" "start" "-a" "4f56b6ffbe375625d4eae64c23c728dd0333b7a8e868adfee1dbdbf292a2464c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f56b6ffbe375625d4eae64c23c728dd0333b7a8e868adfee1dbdbf292a2464c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f56b6ffbe375625d4eae64c23c728dd0333b7a8e868adfee1dbdbf292a2464c", kill_on_drop: false }`
[INFO] [stdout] 4f56b6ffbe375625d4eae64c23c728dd0333b7a8e868adfee1dbdbf292a2464c
[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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42ea475c95d8c07c32d06aae533425fbf9ef0f705fe62fdd5f0bcac7db3c0f2c
[INFO] running `Command { std: "docker" "start" "-a" "42ea475c95d8c07c32d06aae533425fbf9ef0f705fe62fdd5f0bcac7db3c0f2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling adler32 v1.0.2
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling color_quant v1.0.0
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling fixedbitset v0.1.8
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling gif v0.9.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling pathfinding v0.7.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling maze_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.26s
[INFO] running `Command { std: "docker" "inspect" "42ea475c95d8c07c32d06aae533425fbf9ef0f705fe62fdd5f0bcac7db3c0f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42ea475c95d8c07c32d06aae533425fbf9ef0f705fe62fdd5f0bcac7db3c0f2c", kill_on_drop: false }`
[INFO] [stdout] 42ea475c95d8c07c32d06aae533425fbf9ef0f705fe62fdd5f0bcac7db3c0f2c
[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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63a1dae5adaa49dd2da589794957ea7ccb5190584eea6f5e1520cd3b7fc6a2fa
[INFO] running `Command { std: "docker" "start" "-a" "63a1dae5adaa49dd2da589794957ea7ccb5190584eea6f5e1520cd3b7fc6a2fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling maze_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "63a1dae5adaa49dd2da589794957ea7ccb5190584eea6f5e1520cd3b7fc6a2fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63a1dae5adaa49dd2da589794957ea7ccb5190584eea6f5e1520cd3b7fc6a2fa", kill_on_drop: false }`
[INFO] [stdout] 63a1dae5adaa49dd2da589794957ea7ccb5190584eea6f5e1520cd3b7fc6a2fa
[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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccf6d6ede55f6cdbd77b3e9f4f96159f7ee8fbf6367de41af4a410d8ce3034ed
[INFO] running `Command { std: "docker" "start" "-a" "ccf6d6ede55f6cdbd77b3e9f4f96159f7ee8fbf6367de41af4a410d8ce3034ed", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/maze_solver-12436f25004d4b59)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ccf6d6ede55f6cdbd77b3e9f4f96159f7ee8fbf6367de41af4a410d8ce3034ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf6d6ede55f6cdbd77b3e9f4f96159f7ee8fbf6367de41af4a410d8ce3034ed", kill_on_drop: false }`
[INFO] [stdout] ccf6d6ede55f6cdbd77b3e9f4f96159f7ee8fbf6367de41af4a410d8ce3034ed