[INFO] updating cached repository jafow/xprs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jafow/xprs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jafow/xprs" "work/ex/beta-1.38-1/sources/1.37.0/gh/jafow/xprs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jafow/xprs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jafow/xprs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jafow/xprs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jafow/xprs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ab600c2d8d4c29228528c287845de0cfca75b26b
[INFO] sha for GitHub repo jafow/xprs: ab600c2d8d4c29228528c287845de0cfca75b26b
[INFO] validating manifest of jafow/xprs 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 jafow/xprs 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 jafow/xprs
[INFO] finished frobbing jafow/xprs
[INFO] frobbed toml for jafow/xprs written to work/ex/beta-1.38-1/sources/1.37.0/gh/jafow/xprs/Cargo.toml
[INFO] started frobbing jafow/xprs
[INFO] finished frobbing jafow/xprs
[INFO] frobbed toml for jafow/xprs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jafow/xprs/Cargo.toml
[INFO] crate jafow/xprs 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 jafow/xprs 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jafow/xprs:/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] ea0cfc99cea29e31d55e6bbb95ec8d1b0db6fcdc5588a0b940c9d1e86fc8b096
[INFO] running `"docker" "start" "-a" "ea0cfc99cea29e31d55e6bbb95ec8d1b0db6fcdc5588a0b940c9d1e86fc8b096"`
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling libflate v0.1.23
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling trackable_derive v0.1.2
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling slog-kvfilter v0.7.0
[INFO] [stderr]    Compiling trackable v0.2.22
[INFO] [stderr]    Compiling crossbeam v0.6.0
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling slog-scope v4.1.1
[INFO] [stderr]    Compiling slog-stdlog v3.0.2
[INFO] [stderr]    Compiling sloggers v0.3.2
[INFO] [stderr]    Compiling xprs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.66s
[INFO] running `"docker" "inspect" "ea0cfc99cea29e31d55e6bbb95ec8d1b0db6fcdc5588a0b940c9d1e86fc8b096"`
[INFO] running `"docker" "rm" "-f" "ea0cfc99cea29e31d55e6bbb95ec8d1b0db6fcdc5588a0b940c9d1e86fc8b096"`
[INFO] [stdout] ea0cfc99cea29e31d55e6bbb95ec8d1b0db6fcdc5588a0b940c9d1e86fc8b096
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jafow/xprs:/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] 861e56d713bd25647b54e4c512a5c1412f1438de994ca4612f8a60bc36e869a0
[INFO] running `"docker" "start" "-a" "861e56d713bd25647b54e4c512a5c1412f1438de994ca4612f8a60bc36e869a0"`
[INFO] [stderr]    Compiling xprs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `"docker" "inspect" "861e56d713bd25647b54e4c512a5c1412f1438de994ca4612f8a60bc36e869a0"`
[INFO] running `"docker" "rm" "-f" "861e56d713bd25647b54e4c512a5c1412f1438de994ca4612f8a60bc36e869a0"`
[INFO] [stdout] 861e56d713bd25647b54e4c512a5c1412f1438de994ca4612f8a60bc36e869a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jafow/xprs:/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] b6792d569e27bd8365fcbc4c73b78cc8e273fb978d4416a1ae0059848e34ebf1
[INFO] running `"docker" "start" "-a" "b6792d569e27bd8365fcbc4c73b78cc8e273fb978d4416a1ae0059848e34ebf1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xprs-97bf1f6747dac3e8
[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" "b6792d569e27bd8365fcbc4c73b78cc8e273fb978d4416a1ae0059848e34ebf1"`
[INFO] running `"docker" "rm" "-f" "b6792d569e27bd8365fcbc4c73b78cc8e273fb978d4416a1ae0059848e34ebf1"`
[INFO] [stdout] b6792d569e27bd8365fcbc4c73b78cc8e273fb978d4416a1ae0059848e34ebf1