[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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/stisol/Maze-Solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/stisol/Maze-Solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stisol/Maze-Solver" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/stisol/Maze-Solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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 master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stisol/Maze-Solver on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/stisol/Maze-Solver/Cargo.toml
[INFO] crate stisol/Maze-Solver has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing stisol/Maze-Solver against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] 4d8eb3602d7d469c3da6dfdaed6cb9212d7f3447edaf6467673e9ca24ef410ab
[INFO] running `"docker" "start" "-a" "4d8eb3602d7d469c3da6dfdaed6cb9212d7f3447edaf6467673e9ca24ef410ab"`
[INFO] [stderr]    Compiling fixedbitset v0.1.8
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling pathfinding v0.7.0
[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 jpeg-decoder v0.1.14
[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 52.22s
[INFO] running `"docker" "inspect" "4d8eb3602d7d469c3da6dfdaed6cb9212d7f3447edaf6467673e9ca24ef410ab"`
[INFO] running `"docker" "rm" "-f" "4d8eb3602d7d469c3da6dfdaed6cb9212d7f3447edaf6467673e9ca24ef410ab"`
[INFO] [stdout] 4d8eb3602d7d469c3da6dfdaed6cb9212d7f3447edaf6467673e9ca24ef410ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2c46119eec9c0771dbcec17cf21e16a368cb30704e93ec593b6eee8eb87019ae
[INFO] running `"docker" "start" "-a" "2c46119eec9c0771dbcec17cf21e16a368cb30704e93ec593b6eee8eb87019ae"`
[INFO] [stderr]    Compiling maze_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "2c46119eec9c0771dbcec17cf21e16a368cb30704e93ec593b6eee8eb87019ae"`
[INFO] running `"docker" "rm" "-f" "2c46119eec9c0771dbcec17cf21e16a368cb30704e93ec593b6eee8eb87019ae"`
[INFO] [stdout] 2c46119eec9c0771dbcec17cf21e16a368cb30704e93ec593b6eee8eb87019ae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "test" "--frozen"`
[INFO] [stdout] c776333727590ab4a4c2df1eca454b951c545c39b08b7bd8b6c730e485e85ad5
[INFO] running `"docker" "start" "-a" "c776333727590ab4a4c2df1eca454b951c545c39b08b7bd8b6c730e485e85ad5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[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-7d0be8e25f52154b
[INFO] running `"docker" "inspect" "c776333727590ab4a4c2df1eca454b951c545c39b08b7bd8b6c730e485e85ad5"`
[INFO] running `"docker" "rm" "-f" "c776333727590ab4a4c2df1eca454b951c545c39b08b7bd8b6c730e485e85ad5"`
[INFO] [stdout] c776333727590ab4a4c2df1eca454b951c545c39b08b7bd8b6c730e485e85ad5