[INFO] updating cached repository LFalch/mazes
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LFalch/mazes
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LFalch/mazes" "work/ex/beta-1.37-6/sources/1.36.0/gh/LFalch/mazes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/LFalch/mazes'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LFalch/mazes" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LFalch/mazes"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LFalch/mazes'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c4e83084f645d2582929d8a818df0c4d06923bb7
[INFO] sha for GitHub repo LFalch/mazes: c4e83084f645d2582929d8a818df0c4d06923bb7
[INFO] validating manifest of LFalch/mazes 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 LFalch/mazes 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 LFalch/mazes
[INFO] finished frobbing LFalch/mazes
[INFO] frobbed toml for LFalch/mazes written to work/ex/beta-1.37-6/sources/1.36.0/gh/LFalch/mazes/Cargo.toml
[INFO] started frobbing LFalch/mazes
[INFO] finished frobbing LFalch/mazes
[INFO] frobbed toml for LFalch/mazes written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/LFalch/mazes/Cargo.toml
[INFO] crate LFalch/mazes 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing LFalch/mazes 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/LFalch/mazes:/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] bb4b3641443b3818828acd5ec410bd913b9b5b03385c0cec444ef49dbdf76102
[INFO] running `"docker" "start" "-a" "bb4b3641443b3818828acd5ec410bd913b9b5b03385c0cec444ef49dbdf76102"`
[INFO] [stderr]    Compiling adler32 v1.0.1
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling deflate v0.7.15
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling png v0.9.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.15.0
[INFO] [stderr]    Compiling mazes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.53s
[INFO] running `"docker" "inspect" "bb4b3641443b3818828acd5ec410bd913b9b5b03385c0cec444ef49dbdf76102"`
[INFO] running `"docker" "rm" "-f" "bb4b3641443b3818828acd5ec410bd913b9b5b03385c0cec444ef49dbdf76102"`
[INFO] [stdout] bb4b3641443b3818828acd5ec410bd913b9b5b03385c0cec444ef49dbdf76102
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/LFalch/mazes:/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] a0474a6afafc9dd72d5785803d8d0e767d4fa9ad9a0b1a6ecb698621cf89e307
[INFO] running `"docker" "start" "-a" "a0474a6afafc9dd72d5785803d8d0e767d4fa9ad9a0b1a6ecb698621cf89e307"`
[INFO] [stderr]    Compiling mazes v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `"docker" "inspect" "a0474a6afafc9dd72d5785803d8d0e767d4fa9ad9a0b1a6ecb698621cf89e307"`
[INFO] running `"docker" "rm" "-f" "a0474a6afafc9dd72d5785803d8d0e767d4fa9ad9a0b1a6ecb698621cf89e307"`
[INFO] [stdout] a0474a6afafc9dd72d5785803d8d0e767d4fa9ad9a0b1a6ecb698621cf89e307
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/LFalch/mazes:/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] 18ac39fa193b2462e946df0a94edde7b7e5ce1d23fd5cd761001067540145d54
[INFO] running `"docker" "start" "-a" "18ac39fa193b2462e946df0a94edde7b7e5ce1d23fd5cd761001067540145d54"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mazes-96bd220506315d48
[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/mazes-ab75a0d628fea7e5
[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]    Doc-tests mazes
[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] running `"docker" "inspect" "18ac39fa193b2462e946df0a94edde7b7e5ce1d23fd5cd761001067540145d54"`
[INFO] running `"docker" "rm" "-f" "18ac39fa193b2462e946df0a94edde7b7e5ce1d23fd5cd761001067540145d54"`
[INFO] [stdout] 18ac39fa193b2462e946df0a94edde7b7e5ce1d23fd5cd761001067540145d54