[INFO] updating cached repository serayuzgur/monty_hall
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/serayuzgur/monty_hall
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/serayuzgur/monty_hall" "work/ex/beta-1.38-1/sources/1.37.0/gh/serayuzgur/monty_hall"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/serayuzgur/monty_hall'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/serayuzgur/monty_hall" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/serayuzgur/monty_hall"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/serayuzgur/monty_hall'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 41c4dfa9b0bf6ea36072aa9f26c3d17a0d108d89
[INFO] sha for GitHub repo serayuzgur/monty_hall: 41c4dfa9b0bf6ea36072aa9f26c3d17a0d108d89
[INFO] validating manifest of serayuzgur/monty_hall 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 serayuzgur/monty_hall 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 serayuzgur/monty_hall
[INFO] finished frobbing serayuzgur/monty_hall
[INFO] frobbed toml for serayuzgur/monty_hall written to work/ex/beta-1.38-1/sources/1.37.0/gh/serayuzgur/monty_hall/Cargo.toml
[INFO] started frobbing serayuzgur/monty_hall
[INFO] finished frobbing serayuzgur/monty_hall
[INFO] frobbed toml for serayuzgur/monty_hall written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/serayuzgur/monty_hall/Cargo.toml
[INFO] crate serayuzgur/monty_hall 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 serayuzgur/monty_hall against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/serayuzgur/monty_hall:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c7e0d6ffe51d7a79f7512e0e8d4c8206b880a0320772187acdeae6688b773389
[INFO] running `"docker" "start" "-a" "c7e0d6ffe51d7a79f7512e0e8d4c8206b880a0320772187acdeae6688b773389"`
[INFO] [stderr]    Compiling libc v0.2.14
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling monty_hall v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.64s
[INFO] running `"docker" "inspect" "c7e0d6ffe51d7a79f7512e0e8d4c8206b880a0320772187acdeae6688b773389"`
[INFO] running `"docker" "rm" "-f" "c7e0d6ffe51d7a79f7512e0e8d4c8206b880a0320772187acdeae6688b773389"`
[INFO] [stdout] c7e0d6ffe51d7a79f7512e0e8d4c8206b880a0320772187acdeae6688b773389
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/serayuzgur/monty_hall:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] fd0a8a8754795ed46b86187029071587a98b5920703a05b70fc36a5d7744e62f
[INFO] running `"docker" "start" "-a" "fd0a8a8754795ed46b86187029071587a98b5920703a05b70fc36a5d7744e62f"`
[INFO] [stderr]    Compiling monty_hall v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "fd0a8a8754795ed46b86187029071587a98b5920703a05b70fc36a5d7744e62f"`
[INFO] running `"docker" "rm" "-f" "fd0a8a8754795ed46b86187029071587a98b5920703a05b70fc36a5d7744e62f"`
[INFO] [stdout] fd0a8a8754795ed46b86187029071587a98b5920703a05b70fc36a5d7744e62f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/serayuzgur/monty_hall:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f24c6dd3c697446d5a548a5f56b245b1ed4554670fc442632d6439b00727945b
[INFO] running `"docker" "start" "-a" "f24c6dd3c697446d5a548a5f56b245b1ed4554670fc442632d6439b00727945b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monty_hall-16002c16b85216cb
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test round::tests::reveal_door ... ok
[INFO] [stdout] test round::tests::change_selection ... 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" "f24c6dd3c697446d5a548a5f56b245b1ed4554670fc442632d6439b00727945b"`
[INFO] running `"docker" "rm" "-f" "f24c6dd3c697446d5a548a5f56b245b1ed4554670fc442632d6439b00727945b"`
[INFO] [stdout] f24c6dd3c697446d5a548a5f56b245b1ed4554670fc442632d6439b00727945b