[INFO] updating cached repository cgjordan/monty_hall
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cgjordan/monty_hall
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cgjordan/monty_hall" "work/ex/beta-1.38-1/sources/1.37.0/gh/cgjordan/monty_hall"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cgjordan/monty_hall'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cgjordan/monty_hall" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cgjordan/monty_hall"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cgjordan/monty_hall'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8e7a95db2a359434b15986585ea17c0bbb7b979e
[INFO] sha for GitHub repo cgjordan/monty_hall: 8e7a95db2a359434b15986585ea17c0bbb7b979e
[INFO] validating manifest of cgjordan/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 cgjordan/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 cgjordan/monty_hall
[INFO] finished frobbing cgjordan/monty_hall
[INFO] frobbed toml for cgjordan/monty_hall written to work/ex/beta-1.38-1/sources/1.37.0/gh/cgjordan/monty_hall/Cargo.toml
[INFO] started frobbing cgjordan/monty_hall
[INFO] finished frobbing cgjordan/monty_hall
[INFO] frobbed toml for cgjordan/monty_hall written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cgjordan/monty_hall/Cargo.toml
[INFO] crate cgjordan/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/cgjordan/monty_hall/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing cgjordan/monty_hall 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/cgjordan/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b548680b9e49a38e27da50f6d5f82935f33f2b9c167de96a04fed9f599a3b65c
[INFO] running `"docker" "start" "-a" "b548680b9e49a38e27da50f6d5f82935f33f2b9c167de96a04fed9f599a3b65c"`
[INFO] [stderr]    Compiling monty_hall v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "b548680b9e49a38e27da50f6d5f82935f33f2b9c167de96a04fed9f599a3b65c"`
[INFO] running `"docker" "rm" "-f" "b548680b9e49a38e27da50f6d5f82935f33f2b9c167de96a04fed9f599a3b65c"`
[INFO] [stdout] b548680b9e49a38e27da50f6d5f82935f33f2b9c167de96a04fed9f599a3b65c
[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/cgjordan/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5bf6bd4abb98b81b6cabcfbddfdd427d70efbeacddf178a4c46b3bb31f46744
[INFO] running `"docker" "start" "-a" "d5bf6bd4abb98b81b6cabcfbddfdd427d70efbeacddf178a4c46b3bb31f46744"`
[INFO] [stderr]    Compiling monty_hall v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "d5bf6bd4abb98b81b6cabcfbddfdd427d70efbeacddf178a4c46b3bb31f46744"`
[INFO] running `"docker" "rm" "-f" "d5bf6bd4abb98b81b6cabcfbddfdd427d70efbeacddf178a4c46b3bb31f46744"`
[INFO] [stdout] d5bf6bd4abb98b81b6cabcfbddfdd427d70efbeacddf178a4c46b3bb31f46744
[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/cgjordan/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 969c7312a0e6085be1d0893e617e08e238a89f86187b1207679ecd3a0e56f9b3
[INFO] running `"docker" "start" "-a" "969c7312a0e6085be1d0893e617e08e238a89f86187b1207679ecd3a0e56f9b3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/monty_hall-a3fc3fe109764b34
[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" "969c7312a0e6085be1d0893e617e08e238a89f86187b1207679ecd3a0e56f9b3"`
[INFO] running `"docker" "rm" "-f" "969c7312a0e6085be1d0893e617e08e238a89f86187b1207679ecd3a0e56f9b3"`
[INFO] [stdout] 969c7312a0e6085be1d0893e617e08e238a89f86187b1207679ecd3a0e56f9b3