[INFO] cloning repository terakun/spanning_tree_maze
[INFO] running `"git" "clone" "--bare" "git://github.com/terakun/spanning_tree_maze.git" "work/cache/sources/gh/terakun/spanning_tree_maze"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/terakun/spanning_tree_maze'...
[INFO] running `"git" "clone" "work/cache/sources/gh/terakun/spanning_tree_maze" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/terakun/spanning_tree_maze"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/terakun/spanning_tree_maze'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/terakun/spanning_tree_maze" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/terakun/spanning_tree_maze"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/terakun/spanning_tree_maze'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7d76ea3667cf2b8d531d7634fb620d8387038961
[INFO] sha for GitHub repo terakun/spanning_tree_maze: 7d76ea3667cf2b8d531d7634fb620d8387038961
[INFO] validating manifest of terakun/spanning_tree_maze 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 terakun/spanning_tree_maze 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 terakun/spanning_tree_maze
[INFO] finished frobbing terakun/spanning_tree_maze
[INFO] frobbed toml for terakun/spanning_tree_maze written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/terakun/spanning_tree_maze/Cargo.toml
[INFO] started frobbing terakun/spanning_tree_maze
[INFO] finished frobbing terakun/spanning_tree_maze
[INFO] frobbed toml for terakun/spanning_tree_maze written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/terakun/spanning_tree_maze/Cargo.toml
[INFO] crate terakun/spanning_tree_maze 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing terakun/spanning_tree_maze against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/terakun/spanning_tree_maze:/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] 1b2fbf78f8068d96a20fdf68609965d941ce1875d63eca6027c1378732f107e8
[INFO] running `"docker" "start" "-a" "1b2fbf78f8068d96a20fdf68609965d941ce1875d63eca6027c1378732f107e8"`
[INFO] [stderr]    Compiling spanning_tree_maze v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `"docker" "inspect" "1b2fbf78f8068d96a20fdf68609965d941ce1875d63eca6027c1378732f107e8"`
[INFO] running `"docker" "rm" "-f" "1b2fbf78f8068d96a20fdf68609965d941ce1875d63eca6027c1378732f107e8"`
[INFO] [stdout] 1b2fbf78f8068d96a20fdf68609965d941ce1875d63eca6027c1378732f107e8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/terakun/spanning_tree_maze:/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] 2d19beda241d30efe1baa5c2fce1dac8ab36a78cfcbf4d9400f6fc9603cefe72
[INFO] running `"docker" "start" "-a" "2d19beda241d30efe1baa5c2fce1dac8ab36a78cfcbf4d9400f6fc9603cefe72"`
[INFO] [stderr]    Compiling spanning_tree_maze v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "2d19beda241d30efe1baa5c2fce1dac8ab36a78cfcbf4d9400f6fc9603cefe72"`
[INFO] running `"docker" "rm" "-f" "2d19beda241d30efe1baa5c2fce1dac8ab36a78cfcbf4d9400f6fc9603cefe72"`
[INFO] [stdout] 2d19beda241d30efe1baa5c2fce1dac8ab36a78cfcbf4d9400f6fc9603cefe72
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/terakun/spanning_tree_maze:/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] a699fdf2d7a1cdacfc6889a6ace1d939ab628a2185a16709fed8e16655d920d5
[INFO] running `"docker" "start" "-a" "a699fdf2d7a1cdacfc6889a6ace1d939ab628a2185a16709fed8e16655d920d5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spanning_tree_maze-e740fa6d0eb09c44
[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" "a699fdf2d7a1cdacfc6889a6ace1d939ab628a2185a16709fed8e16655d920d5"`
[INFO] running `"docker" "rm" "-f" "a699fdf2d7a1cdacfc6889a6ace1d939ab628a2185a16709fed8e16655d920d5"`
[INFO] [stdout] a699fdf2d7a1cdacfc6889a6ace1d939ab628a2185a16709fed8e16655d920d5