[INFO] updating cached repository stisol/Maze-Solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stisol/Maze-Solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stisol/Maze-Solver" "work/ex/beta-1.37-6/sources/1.36.0/gh/stisol/Maze-Solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/stisol/Maze-Solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stisol/Maze-Solver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stisol/Maze-Solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stisol/Maze-Solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 23d66f0080bf10eff1d9e768bf446cba8015d3bc
[INFO] sha for GitHub repo stisol/Maze-Solver: 23d66f0080bf10eff1d9e768bf446cba8015d3bc
[INFO] validating manifest of stisol/Maze-Solver on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stisol/Maze-Solver on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stisol/Maze-Solver
[INFO] finished frobbing stisol/Maze-Solver
[INFO] frobbed toml for stisol/Maze-Solver written to work/ex/beta-1.37-6/sources/1.36.0/gh/stisol/Maze-Solver/Cargo.toml
[INFO] started frobbing stisol/Maze-Solver
[INFO] finished frobbing stisol/Maze-Solver
[INFO] frobbed toml for stisol/Maze-Solver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stisol/Maze-Solver/Cargo.toml
[INFO] crate stisol/Maze-Solver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing stisol/Maze-Solver against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/stisol/Maze-Solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 640706b78f040c6950349392f0a9a86de0575cb2187dfb508e8543d022fd7587
[INFO] running `"docker" "start" "-a" "640706b78f040c6950349392f0a9a86de0575cb2187dfb508e8543d022fd7587"`
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling pathfinding v0.7.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.14
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling maze_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.00s
[INFO] running `"docker" "inspect" "640706b78f040c6950349392f0a9a86de0575cb2187dfb508e8543d022fd7587"`
[INFO] running `"docker" "rm" "-f" "640706b78f040c6950349392f0a9a86de0575cb2187dfb508e8543d022fd7587"`
[INFO] [stdout] 640706b78f040c6950349392f0a9a86de0575cb2187dfb508e8543d022fd7587
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/stisol/Maze-Solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 14e31894bdf7d66517a2caed6e3fec264ab32fcf409a6918771bfd6f97d61f7a
[INFO] running `"docker" "start" "-a" "14e31894bdf7d66517a2caed6e3fec264ab32fcf409a6918771bfd6f97d61f7a"`
[INFO] [stderr]    Compiling maze_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `"docker" "inspect" "14e31894bdf7d66517a2caed6e3fec264ab32fcf409a6918771bfd6f97d61f7a"`
[INFO] running `"docker" "rm" "-f" "14e31894bdf7d66517a2caed6e3fec264ab32fcf409a6918771bfd6f97d61f7a"`
[INFO] [stdout] 14e31894bdf7d66517a2caed6e3fec264ab32fcf409a6918771bfd6f97d61f7a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/stisol/Maze-Solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 01fb34b6d4548aa6db57e5e4d866f4910a63922babc7bd9eb2cb71fda199daa4
[INFO] running `"docker" "start" "-a" "01fb34b6d4548aa6db57e5e4d866f4910a63922babc7bd9eb2cb71fda199daa4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maze_solver-e898d0e1bf9ca643
[INFO] running `"docker" "inspect" "01fb34b6d4548aa6db57e5e4d866f4910a63922babc7bd9eb2cb71fda199daa4"`
[INFO] running `"docker" "rm" "-f" "01fb34b6d4548aa6db57e5e4d866f4910a63922babc7bd9eb2cb71fda199daa4"`
[INFO] [stdout] 01fb34b6d4548aa6db57e5e4d866f4910a63922babc7bd9eb2cb71fda199daa4