[INFO] cloning repository 02alexander/maze-generator
[INFO] running `"git" "clone" "--bare" "git://github.com/02alexander/maze-generator.git" "work/cache/sources/gh/02alexander/maze-generator"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/02alexander/maze-generator'...
[INFO] running `"git" "clone" "work/cache/sources/gh/02alexander/maze-generator" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/02alexander/maze-generator"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/02alexander/maze-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/02alexander/maze-generator" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/02alexander/maze-generator"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/02alexander/maze-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] defd57655ec68cc273815234496f81e2a6613f59
[INFO] sha for GitHub repo 02alexander/maze-generator: defd57655ec68cc273815234496f81e2a6613f59
[INFO] validating manifest of 02alexander/maze-generator on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of 02alexander/maze-generator on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing 02alexander/maze-generator
[INFO] finished frobbing 02alexander/maze-generator
[INFO] frobbed toml for 02alexander/maze-generator written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/02alexander/maze-generator/Cargo.toml
[INFO] started frobbing 02alexander/maze-generator
[INFO] finished frobbing 02alexander/maze-generator
[INFO] frobbed toml for 02alexander/maze-generator written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/02alexander/maze-generator/Cargo.toml
[INFO] crate 02alexander/maze-generator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing 02alexander/maze-generator against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/02alexander/maze-generator:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 6ba29c805b61ed99bf21055ec2d878507d7f65a17c206d14e245de58fbe2c46f
[INFO] running `"docker" "start" "-a" "6ba29c805b61ed99bf21055ec2d878507d7f65a17c206d14e245de58fbe2c46f"`
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling imagefmt v4.0.0
[INFO] [stderr]    Compiling maze-generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.74s
[INFO] running `"docker" "inspect" "6ba29c805b61ed99bf21055ec2d878507d7f65a17c206d14e245de58fbe2c46f"`
[INFO] running `"docker" "rm" "-f" "6ba29c805b61ed99bf21055ec2d878507d7f65a17c206d14e245de58fbe2c46f"`
[INFO] [stdout] 6ba29c805b61ed99bf21055ec2d878507d7f65a17c206d14e245de58fbe2c46f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/02alexander/maze-generator:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f938e5820f9cd479707e65f703459001244781613356e83b7fd1bc9f29447e7b
[INFO] running `"docker" "start" "-a" "f938e5820f9cd479707e65f703459001244781613356e83b7fd1bc9f29447e7b"`
[INFO] [stderr]    Compiling maze-generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `"docker" "inspect" "f938e5820f9cd479707e65f703459001244781613356e83b7fd1bc9f29447e7b"`
[INFO] running `"docker" "rm" "-f" "f938e5820f9cd479707e65f703459001244781613356e83b7fd1bc9f29447e7b"`
[INFO] [stdout] f938e5820f9cd479707e65f703459001244781613356e83b7fd1bc9f29447e7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-5/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/02alexander/maze-generator:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] a33d34619bbf1ffda17ae8f76bd5ead37947508d0dd723dd9ebe4d1c5e19ed6e
[INFO] running `"docker" "start" "-a" "a33d34619bbf1ffda17ae8f76bd5ead37947508d0dd723dd9ebe4d1c5e19ed6e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/maze_generator-0f0e06f7c7b6e2e4
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test maze::maze::test::connect ... ok
[INFO] [stdout] test maze::maze::test::constructor ... ok
[INFO] [stdout] test maze::maze::test::inside ... ok
[INFO] [stdout] test maze::depthfirstsearch::test::unvisited_neighbor ... ok
[INFO] [stdout] test maze::maze::test::visited ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a33d34619bbf1ffda17ae8f76bd5ead37947508d0dd723dd9ebe4d1c5e19ed6e"`
[INFO] running `"docker" "rm" "-f" "a33d34619bbf1ffda17ae8f76bd5ead37947508d0dd723dd9ebe4d1c5e19ed6e"`
[INFO] [stdout] a33d34619bbf1ffda17ae8f76bd5ead37947508d0dd723dd9ebe4d1c5e19ed6e