[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-1.38-1/sources/1.37.0/gh/mdegis/monty_hall_fall_simulation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/gh/mdegis/monty_hall_fall_simulation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mdegis/monty_hall_fall_simulation 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 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-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 mdegis/monty_hall_fall_simulation 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 18993e52695e728f4d78ccd822d69b91f614c7d1319fddfde69c1349ca17763f
[INFO] running `"docker" "start" "-a" "18993e52695e728f4d78ccd822d69b91f614c7d1319fddfde69c1349ca17763f"`
[INFO] [stderr]    Compiling monty_hall_fall_simulation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "18993e52695e728f4d78ccd822d69b91f614c7d1319fddfde69c1349ca17763f"`
[INFO] running `"docker" "rm" "-f" "18993e52695e728f4d78ccd822d69b91f614c7d1319fddfde69c1349ca17763f"`
[INFO] [stdout] 18993e52695e728f4d78ccd822d69b91f614c7d1319fddfde69c1349ca17763f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] f2f6491ba2abba01ae5c9007649273047c00bec77a178fcfb5f5be515ddee934
[INFO] running `"docker" "start" "-a" "f2f6491ba2abba01ae5c9007649273047c00bec77a178fcfb5f5be515ddee934"`
[INFO] [stderr]    Compiling monty_hall_fall_simulation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "f2f6491ba2abba01ae5c9007649273047c00bec77a178fcfb5f5be515ddee934"`
[INFO] running `"docker" "rm" "-f" "f2f6491ba2abba01ae5c9007649273047c00bec77a178fcfb5f5be515ddee934"`
[INFO] [stdout] f2f6491ba2abba01ae5c9007649273047c00bec77a178fcfb5f5be515ddee934
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4fee0bf5da3542a79d6832b9745390c226e3f46cdb0c25702f37fd47b6ddb4d7
[INFO] running `"docker" "start" "-a" "4fee0bf5da3542a79d6832b9745390c226e3f46cdb0c25702f37fd47b6ddb4d7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monty_hall_fall_simulation-f95e01ce8f6e5459
[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" "4fee0bf5da3542a79d6832b9745390c226e3f46cdb0c25702f37fd47b6ddb4d7"`
[INFO] running `"docker" "rm" "-f" "4fee0bf5da3542a79d6832b9745390c226e3f46cdb0c25702f37fd47b6ddb4d7"`
[INFO] [stdout] 4fee0bf5da3542a79d6832b9745390c226e3f46cdb0c25702f37fd47b6ddb4d7