[INFO] updating cached repository JonathanVusich/monty_hall_simulator_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JonathanVusich/monty_hall_simulator_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JonathanVusich/monty_hall_simulator_rust" "work/ex/beta-1.38-1/sources/1.37.0/gh/JonathanVusich/monty_hall_simulator_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JonathanVusich/monty_hall_simulator_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JonathanVusich/monty_hall_simulator_rust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JonathanVusich/monty_hall_simulator_rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JonathanVusich/monty_hall_simulator_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cc809d857a28b733469afa7745d7927d06d057f7
[INFO] sha for GitHub repo JonathanVusich/monty_hall_simulator_rust: cc809d857a28b733469afa7745d7927d06d057f7
[INFO] validating manifest of JonathanVusich/monty_hall_simulator_rust 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 JonathanVusich/monty_hall_simulator_rust 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 JonathanVusich/monty_hall_simulator_rust
[INFO] finished frobbing JonathanVusich/monty_hall_simulator_rust
[INFO] frobbed toml for JonathanVusich/monty_hall_simulator_rust written to work/ex/beta-1.38-1/sources/1.37.0/gh/JonathanVusich/monty_hall_simulator_rust/Cargo.toml
[INFO] started frobbing JonathanVusich/monty_hall_simulator_rust
[INFO] finished frobbing JonathanVusich/monty_hall_simulator_rust
[INFO] frobbed toml for JonathanVusich/monty_hall_simulator_rust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JonathanVusich/monty_hall_simulator_rust/Cargo.toml
[INFO] crate JonathanVusich/monty_hall_simulator_rust 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 JonathanVusich/monty_hall_simulator_rust 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-5/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/JonathanVusich/monty_hall_simulator_rust:/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] ad2b44d0a8b367227debac5bb474d6240d3d26e58c31de1a3009ea74f5c558a3
[INFO] running `"docker" "start" "-a" "ad2b44d0a8b367227debac5bb474d6240d3d26e58c31de1a3009ea74f5c558a3"`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling monty_hall_simulator_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `"docker" "inspect" "ad2b44d0a8b367227debac5bb474d6240d3d26e58c31de1a3009ea74f5c558a3"`
[INFO] running `"docker" "rm" "-f" "ad2b44d0a8b367227debac5bb474d6240d3d26e58c31de1a3009ea74f5c558a3"`
[INFO] [stdout] ad2b44d0a8b367227debac5bb474d6240d3d26e58c31de1a3009ea74f5c558a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/JonathanVusich/monty_hall_simulator_rust:/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] 87aa3bb0d9a6c944fefe815f0af5f8537ecec284e25fcdf7a1c2f47acae90c36
[INFO] running `"docker" "start" "-a" "87aa3bb0d9a6c944fefe815f0af5f8537ecec284e25fcdf7a1c2f47acae90c36"`
[INFO] [stderr]    Compiling monty_hall_simulator_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "87aa3bb0d9a6c944fefe815f0af5f8537ecec284e25fcdf7a1c2f47acae90c36"`
[INFO] running `"docker" "rm" "-f" "87aa3bb0d9a6c944fefe815f0af5f8537ecec284e25fcdf7a1c2f47acae90c36"`
[INFO] [stdout] 87aa3bb0d9a6c944fefe815f0af5f8537ecec284e25fcdf7a1c2f47acae90c36
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/JonathanVusich/monty_hall_simulator_rust:/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] b3038e70537d1c1e013bab3e615f4c71a6556fc5ef0197d5b9a0b034f3a4e9aa
[INFO] running `"docker" "start" "-a" "b3038e70537d1c1e013bab3e615f4c71a6556fc5ef0197d5b9a0b034f3a4e9aa"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monty_hall_simulator_rust-0021df08467508d1
[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" "b3038e70537d1c1e013bab3e615f4c71a6556fc5ef0197d5b9a0b034f3a4e9aa"`
[INFO] running `"docker" "rm" "-f" "b3038e70537d1c1e013bab3e615f4c71a6556fc5ef0197d5b9a0b034f3a4e9aa"`
[INFO] [stdout] b3038e70537d1c1e013bab3e615f4c71a6556fc5ef0197d5b9a0b034f3a4e9aa