[INFO] updating cached repository gruberb/NumberGuessing
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gruberb/NumberGuessing
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gruberb/NumberGuessing" "work/ex/beta-1.37-6/sources/1.36.0/gh/gruberb/NumberGuessing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gruberb/NumberGuessing'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gruberb/NumberGuessing" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gruberb/NumberGuessing"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gruberb/NumberGuessing'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6f33aeddb2dfed4ddebd855df5676e2a693a0b03
[INFO] sha for GitHub repo gruberb/NumberGuessing: 6f33aeddb2dfed4ddebd855df5676e2a693a0b03
[INFO] validating manifest of gruberb/NumberGuessing 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 gruberb/NumberGuessing 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 gruberb/NumberGuessing
[INFO] finished frobbing gruberb/NumberGuessing
[INFO] frobbed toml for gruberb/NumberGuessing written to work/ex/beta-1.37-6/sources/1.36.0/gh/gruberb/NumberGuessing/Cargo.toml
[INFO] started frobbing gruberb/NumberGuessing
[INFO] finished frobbing gruberb/NumberGuessing
[INFO] frobbed toml for gruberb/NumberGuessing written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gruberb/NumberGuessing/Cargo.toml
[INFO] crate gruberb/NumberGuessing 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 gruberb/NumberGuessing 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-4/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/gruberb/NumberGuessing:/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] 16f3444e6ddb4a5f347a591143aac39236b0da0c56457c985ea43b22a7eef013
[INFO] running `"docker" "start" "-a" "16f3444e6ddb4a5f347a591143aac39236b0da0c56457c985ea43b22a7eef013"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "16f3444e6ddb4a5f347a591143aac39236b0da0c56457c985ea43b22a7eef013"`
[INFO] running `"docker" "rm" "-f" "16f3444e6ddb4a5f347a591143aac39236b0da0c56457c985ea43b22a7eef013"`
[INFO] [stdout] 16f3444e6ddb4a5f347a591143aac39236b0da0c56457c985ea43b22a7eef013
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/gruberb/NumberGuessing:/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] 46d03240d5f34d908d1af033b83774d56e68d8ae3b5abd26fcbda411101a5222
[INFO] running `"docker" "start" "-a" "46d03240d5f34d908d1af033b83774d56e68d8ae3b5abd26fcbda411101a5222"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "46d03240d5f34d908d1af033b83774d56e68d8ae3b5abd26fcbda411101a5222"`
[INFO] running `"docker" "rm" "-f" "46d03240d5f34d908d1af033b83774d56e68d8ae3b5abd26fcbda411101a5222"`
[INFO] [stdout] 46d03240d5f34d908d1af033b83774d56e68d8ae3b5abd26fcbda411101a5222
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/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/gruberb/NumberGuessing:/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] e58769316d5b1c6d5b9f88ec2cb5a35b366cccbee7c987173bd0eb4c5cf4ff87
[INFO] running `"docker" "start" "-a" "e58769316d5b1c6d5b9f88ec2cb5a35b366cccbee7c987173bd0eb4c5cf4ff87"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-6f3956d4f8751727
[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" "e58769316d5b1c6d5b9f88ec2cb5a35b366cccbee7c987173bd0eb4c5cf4ff87"`
[INFO] running `"docker" "rm" "-f" "e58769316d5b1c6d5b9f88ec2cb5a35b366cccbee7c987173bd0eb4c5cf4ff87"`
[INFO] [stdout] e58769316d5b1c6d5b9f88ec2cb5a35b366cccbee7c987173bd0eb4c5cf4ff87