[INFO] updating cached repository BookOwl/mit
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BookOwl/mit
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/mit" "work/ex/beta-1.37-6/sources/1.36.0/gh/BookOwl/mit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/BookOwl/mit'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BookOwl/mit" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BookOwl/mit"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BookOwl/mit'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 548f78a91c285b99304609cacafbb4f1cb15cef5
[INFO] sha for GitHub repo BookOwl/mit: 548f78a91c285b99304609cacafbb4f1cb15cef5
[INFO] validating manifest of BookOwl/mit 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 BookOwl/mit 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 BookOwl/mit
[INFO] finished frobbing BookOwl/mit
[INFO] frobbed toml for BookOwl/mit written to work/ex/beta-1.37-6/sources/1.36.0/gh/BookOwl/mit/Cargo.toml
[INFO] started frobbing BookOwl/mit
[INFO] finished frobbing BookOwl/mit
[INFO] frobbed toml for BookOwl/mit written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BookOwl/mit/Cargo.toml
[INFO] crate BookOwl/mit 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 BookOwl/mit against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BookOwl/mit:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 7221256457e61b0c062c40bfc8baadc8b74a8f276fa0ef64e81b813621dee45a
[INFO] running `"docker" "start" "-a" "7221256457e61b0c062c40bfc8baadc8b74a8f276fa0ef64e81b813621dee45a"`
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling mit v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `"docker" "inspect" "7221256457e61b0c062c40bfc8baadc8b74a8f276fa0ef64e81b813621dee45a"`
[INFO] running `"docker" "rm" "-f" "7221256457e61b0c062c40bfc8baadc8b74a8f276fa0ef64e81b813621dee45a"`
[INFO] [stdout] 7221256457e61b0c062c40bfc8baadc8b74a8f276fa0ef64e81b813621dee45a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BookOwl/mit:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] bf238aa54bcd8345131372b1f7b943c0d75d8ec69288b4ca1efd0961ae1d5a26
[INFO] running `"docker" "start" "-a" "bf238aa54bcd8345131372b1f7b943c0d75d8ec69288b4ca1efd0961ae1d5a26"`
[INFO] [stderr]    Compiling mit v1.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "bf238aa54bcd8345131372b1f7b943c0d75d8ec69288b4ca1efd0961ae1d5a26"`
[INFO] running `"docker" "rm" "-f" "bf238aa54bcd8345131372b1f7b943c0d75d8ec69288b4ca1efd0961ae1d5a26"`
[INFO] [stdout] bf238aa54bcd8345131372b1f7b943c0d75d8ec69288b4ca1efd0961ae1d5a26
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BookOwl/mit:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 6ba9193ede982badf95d529c0d9ff959db3486019a7d1bb79cbc40b89f26a44d
[INFO] running `"docker" "start" "-a" "6ba9193ede982badf95d529c0d9ff959db3486019a7d1bb79cbc40b89f26a44d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mit-db545170d3438e3b
[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" "6ba9193ede982badf95d529c0d9ff959db3486019a7d1bb79cbc40b89f26a44d"`
[INFO] running `"docker" "rm" "-f" "6ba9193ede982badf95d529c0d9ff959db3486019a7d1bb79cbc40b89f26a44d"`
[INFO] [stdout] 6ba9193ede982badf95d529c0d9ff959db3486019a7d1bb79cbc40b89f26a44d