[INFO] updating cached repository listboss/ex18
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/listboss/ex18
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/listboss/ex18" "work/ex/beta-1.38-1/sources/1.37.0/gh/listboss/ex18"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/listboss/ex18'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/listboss/ex18" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/listboss/ex18"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/listboss/ex18'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f61485acdcde982b18b75d42ed7ca1697be4b100
[INFO] sha for GitHub repo listboss/ex18: f61485acdcde982b18b75d42ed7ca1697be4b100
[INFO] validating manifest of listboss/ex18 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 listboss/ex18 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 listboss/ex18
[INFO] finished frobbing listboss/ex18
[INFO] frobbed toml for listboss/ex18 written to work/ex/beta-1.38-1/sources/1.37.0/gh/listboss/ex18/Cargo.toml
[INFO] started frobbing listboss/ex18
[INFO] finished frobbing listboss/ex18
[INFO] frobbed toml for listboss/ex18 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/listboss/ex18/Cargo.toml
[INFO] crate listboss/ex18 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 listboss/ex18 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/listboss/ex18:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 9a9968fce920172068498dbcb76453693e28b2b11835df8350deca3b55c498bc
[INFO] running `"docker" "start" "-a" "9a9968fce920172068498dbcb76453693e28b2b11835df8350deca3b55c498bc"`
[INFO] [stderr]    Compiling ex18 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "9a9968fce920172068498dbcb76453693e28b2b11835df8350deca3b55c498bc"`
[INFO] running `"docker" "rm" "-f" "9a9968fce920172068498dbcb76453693e28b2b11835df8350deca3b55c498bc"`
[INFO] [stdout] 9a9968fce920172068498dbcb76453693e28b2b11835df8350deca3b55c498bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/listboss/ex18:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ea0db48f8f57bd0b073ec4d5bbdb4e6ff8b36efef0f106d4b7308e9978cd321f
[INFO] running `"docker" "start" "-a" "ea0db48f8f57bd0b073ec4d5bbdb4e6ff8b36efef0f106d4b7308e9978cd321f"`
[INFO] [stderr]    Compiling ex18 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "ea0db48f8f57bd0b073ec4d5bbdb4e6ff8b36efef0f106d4b7308e9978cd321f"`
[INFO] running `"docker" "rm" "-f" "ea0db48f8f57bd0b073ec4d5bbdb4e6ff8b36efef0f106d4b7308e9978cd321f"`
[INFO] [stdout] ea0db48f8f57bd0b073ec4d5bbdb4e6ff8b36efef0f106d4b7308e9978cd321f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/listboss/ex18:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3d43835e6c944f049923028e40d309a3029af8d0119a253ef815b6ed65010a7c
[INFO] running `"docker" "start" "-a" "3d43835e6c944f049923028e40d309a3029af8d0119a253ef815b6ed65010a7c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ex18-5f785682bf4d00ab
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::getting_brightness ... ok
[INFO] [stdout] test tests::initiate_grid ... 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" "3d43835e6c944f049923028e40d309a3029af8d0119a253ef815b6ed65010a7c"`
[INFO] running `"docker" "rm" "-f" "3d43835e6c944f049923028e40d309a3029af8d0119a253ef815b6ed65010a7c"`
[INFO] [stdout] 3d43835e6c944f049923028e40d309a3029af8d0119a253ef815b6ed65010a7c