[INFO] updating cached repository BragCat/probability_playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BragCat/probability_playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BragCat/probability_playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/BragCat/probability_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BragCat/probability_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BragCat/probability_playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BragCat/probability_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BragCat/probability_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c2efb5a4caadc1f20ae53f579a7286b3ec0dcb57
[INFO] sha for GitHub repo BragCat/probability_playground: c2efb5a4caadc1f20ae53f579a7286b3ec0dcb57
[INFO] validating manifest of BragCat/probability_playground 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 BragCat/probability_playground 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 BragCat/probability_playground
[INFO] finished frobbing BragCat/probability_playground
[INFO] frobbed toml for BragCat/probability_playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/BragCat/probability_playground/Cargo.toml
[INFO] started frobbing BragCat/probability_playground
[INFO] finished frobbing BragCat/probability_playground
[INFO] frobbed toml for BragCat/probability_playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BragCat/probability_playground/Cargo.toml
[INFO] crate BragCat/probability_playground 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 BragCat/probability_playground 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BragCat/probability_playground:/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] d1232592487f79b907afdc9d30119f4263e8bed1862e98836ffe77e1aa47359e
[INFO] running `"docker" "start" "-a" "d1232592487f79b907afdc9d30119f4263e8bed1862e98836ffe77e1aa47359e"`
[INFO] [stderr]    Compiling probability_playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "d1232592487f79b907afdc9d30119f4263e8bed1862e98836ffe77e1aa47359e"`
[INFO] running `"docker" "rm" "-f" "d1232592487f79b907afdc9d30119f4263e8bed1862e98836ffe77e1aa47359e"`
[INFO] [stdout] d1232592487f79b907afdc9d30119f4263e8bed1862e98836ffe77e1aa47359e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BragCat/probability_playground:/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] fc29335964fbbc29cd74e35166b821b9179b2c6060c9c23560649a5cb127ed53
[INFO] running `"docker" "start" "-a" "fc29335964fbbc29cd74e35166b821b9179b2c6060c9c23560649a5cb127ed53"`
[INFO] [stderr]    Compiling probability_playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "fc29335964fbbc29cd74e35166b821b9179b2c6060c9c23560649a5cb127ed53"`
[INFO] running `"docker" "rm" "-f" "fc29335964fbbc29cd74e35166b821b9179b2c6060c9c23560649a5cb127ed53"`
[INFO] [stdout] fc29335964fbbc29cd74e35166b821b9179b2c6060c9c23560649a5cb127ed53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/BragCat/probability_playground:/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] 5f90c3686daa0cb0d73381b837d3c1e40f032daab929467ae56d94aeb489fa88
[INFO] running `"docker" "start" "-a" "5f90c3686daa0cb0d73381b837d3c1e40f032daab929467ae56d94aeb489fa88"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/probability_playground-bab8f65f4a8a8928
[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" "5f90c3686daa0cb0d73381b837d3c1e40f032daab929467ae56d94aeb489fa88"`
[INFO] running `"docker" "rm" "-f" "5f90c3686daa0cb0d73381b837d3c1e40f032daab929467ae56d94aeb489fa88"`
[INFO] [stdout] 5f90c3686daa0cb0d73381b837d3c1e40f032daab929467ae56d94aeb489fa88