[INFO] updating cached repository mdegis/monty_hall_fall_simulation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mdegis/monty_hall_fall_simulation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mdegis/monty_hall_fall_simulation" "work/ex/beta-1.37-6/sources/1.36.0/gh/mdegis/monty_hall_fall_simulation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mdegis/monty_hall_fall_simulation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mdegis/monty_hall_fall_simulation" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mdegis/monty_hall_fall_simulation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mdegis/monty_hall_fall_simulation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 07d109ed99b67ba940710e5a595ca6afbb93ee27
[INFO] sha for GitHub repo mdegis/monty_hall_fall_simulation: 07d109ed99b67ba940710e5a595ca6afbb93ee27
[INFO] validating manifest of mdegis/monty_hall_fall_simulation 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 mdegis/monty_hall_fall_simulation 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 mdegis/monty_hall_fall_simulation
[INFO] finished frobbing mdegis/monty_hall_fall_simulation
[INFO] frobbed toml for mdegis/monty_hall_fall_simulation written to work/ex/beta-1.37-6/sources/1.36.0/gh/mdegis/monty_hall_fall_simulation/Cargo.toml
[INFO] started frobbing mdegis/monty_hall_fall_simulation
[INFO] finished frobbing mdegis/monty_hall_fall_simulation
[INFO] frobbed toml for mdegis/monty_hall_fall_simulation written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mdegis/monty_hall_fall_simulation/Cargo.toml
[INFO] crate mdegis/monty_hall_fall_simulation 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 mdegis/monty_hall_fall_simulation 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-1/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/mdegis/monty_hall_fall_simulation:/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] 204b496690e50070e7a6f06731834050100e017ff1656c1a7ec6b49878faccbc
[INFO] running `"docker" "start" "-a" "204b496690e50070e7a6f06731834050100e017ff1656c1a7ec6b49878faccbc"`
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling monty_hall_fall_simulation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.22s
[INFO] running `"docker" "inspect" "204b496690e50070e7a6f06731834050100e017ff1656c1a7ec6b49878faccbc"`
[INFO] running `"docker" "rm" "-f" "204b496690e50070e7a6f06731834050100e017ff1656c1a7ec6b49878faccbc"`
[INFO] [stdout] 204b496690e50070e7a6f06731834050100e017ff1656c1a7ec6b49878faccbc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/mdegis/monty_hall_fall_simulation:/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] 3ae1a7296382e0f45ad9ba4dd24f9e36fc25cd4da47218839cd4cd6571d2daf1
[INFO] running `"docker" "start" "-a" "3ae1a7296382e0f45ad9ba4dd24f9e36fc25cd4da47218839cd4cd6571d2daf1"`
[INFO] [stderr]    Compiling monty_hall_fall_simulation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "3ae1a7296382e0f45ad9ba4dd24f9e36fc25cd4da47218839cd4cd6571d2daf1"`
[INFO] running `"docker" "rm" "-f" "3ae1a7296382e0f45ad9ba4dd24f9e36fc25cd4da47218839cd4cd6571d2daf1"`
[INFO] [stdout] 3ae1a7296382e0f45ad9ba4dd24f9e36fc25cd4da47218839cd4cd6571d2daf1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/mdegis/monty_hall_fall_simulation:/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] 1bca71ce8d4e6bec3a52bc79888eba1ae60a390d11f221e6c98566d34f993fd2
[INFO] running `"docker" "start" "-a" "1bca71ce8d4e6bec3a52bc79888eba1ae60a390d11f221e6c98566d34f993fd2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monty_hall_fall_simulation-5a39587b0e5006e0
[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" "1bca71ce8d4e6bec3a52bc79888eba1ae60a390d11f221e6c98566d34f993fd2"`
[INFO] running `"docker" "rm" "-f" "1bca71ce8d4e6bec3a52bc79888eba1ae60a390d11f221e6c98566d34f993fd2"`
[INFO] [stdout] 1bca71ce8d4e6bec3a52bc79888eba1ae60a390d11f221e6c98566d34f993fd2