[INFO] updating cached repository mdelaney/rust-algorithm-play
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mdelaney/rust-algorithm-play
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mdelaney/rust-algorithm-play" "work/ex/beta-1.38-1/sources/1.37.0/gh/mdelaney/rust-algorithm-play"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mdelaney/rust-algorithm-play'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mdelaney/rust-algorithm-play" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdelaney/rust-algorithm-play"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdelaney/rust-algorithm-play'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 508dcee6b9f844746801aafb8fbc164d6dc1cedd
[INFO] sha for GitHub repo mdelaney/rust-algorithm-play: 508dcee6b9f844746801aafb8fbc164d6dc1cedd
[INFO] validating manifest of mdelaney/rust-algorithm-play on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mdelaney/rust-algorithm-play on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mdelaney/rust-algorithm-play
[INFO] finished frobbing mdelaney/rust-algorithm-play
[INFO] frobbed toml for mdelaney/rust-algorithm-play written to work/ex/beta-1.38-1/sources/1.37.0/gh/mdelaney/rust-algorithm-play/Cargo.toml
[INFO] started frobbing mdelaney/rust-algorithm-play
[INFO] finished frobbing mdelaney/rust-algorithm-play
[INFO] frobbed toml for mdelaney/rust-algorithm-play written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdelaney/rust-algorithm-play/Cargo.toml
[INFO] crate mdelaney/rust-algorithm-play already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mdelaney/rust-algorithm-play against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdelaney/rust-algorithm-play:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 9f50dee31f1b8123af370ac93397089a2ef678c3e8bb852103756a971d062893
[INFO] running `"docker" "start" "-a" "9f50dee31f1b8123af370ac93397089a2ef678c3e8bb852103756a971d062893"`
[INFO] [stderr]    Compiling algorithm-play v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "9f50dee31f1b8123af370ac93397089a2ef678c3e8bb852103756a971d062893"`
[INFO] running `"docker" "rm" "-f" "9f50dee31f1b8123af370ac93397089a2ef678c3e8bb852103756a971d062893"`
[INFO] [stdout] 9f50dee31f1b8123af370ac93397089a2ef678c3e8bb852103756a971d062893
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdelaney/rust-algorithm-play:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ec4e943dd457a92da30644ffb225a6f1c90e85fc02d16c2906cebfe2d542a501
[INFO] running `"docker" "start" "-a" "ec4e943dd457a92da30644ffb225a6f1c90e85fc02d16c2906cebfe2d542a501"`
[INFO] [stderr]    Compiling algorithm-play v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "ec4e943dd457a92da30644ffb225a6f1c90e85fc02d16c2906cebfe2d542a501"`
[INFO] running `"docker" "rm" "-f" "ec4e943dd457a92da30644ffb225a6f1c90e85fc02d16c2906cebfe2d542a501"`
[INFO] [stdout] ec4e943dd457a92da30644ffb225a6f1c90e85fc02d16c2906cebfe2d542a501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mdelaney/rust-algorithm-play:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 31e56aedb46ca09f92e1d9e7d9fd2c23bf345d782a2d1d91cae6ab010d20e82d
[INFO] running `"docker" "start" "-a" "31e56aedb46ca09f92e1d9e7d9fd2c23bf345d782a2d1d91cae6ab010d20e82d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/algorithm_play-db9d200fa1474521
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test strings::edit_distance::tests::test_levenshtein_distance_simple ... ok
[INFO] [stdout] test strings::edit_distance::tests::test_levenshtein_distance_advanced ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "31e56aedb46ca09f92e1d9e7d9fd2c23bf345d782a2d1d91cae6ab010d20e82d"`
[INFO] running `"docker" "rm" "-f" "31e56aedb46ca09f92e1d9e7d9fd2c23bf345d782a2d1d91cae6ab010d20e82d"`
[INFO] [stdout] 31e56aedb46ca09f92e1d9e7d9fd2c23bf345d782a2d1d91cae6ab010d20e82d