[INFO] updating cached repository youmts/guessthenumber
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/youmts/guessthenumber
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/youmts/guessthenumber" "work/ex/beta-1.37-6/sources/1.36.0/gh/youmts/guessthenumber"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/youmts/guessthenumber'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/youmts/guessthenumber" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/youmts/guessthenumber"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/youmts/guessthenumber'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2527bd45ae127e7d178e996c65ab97c111169950
[INFO] sha for GitHub repo youmts/guessthenumber: 2527bd45ae127e7d178e996c65ab97c111169950
[INFO] validating manifest of youmts/guessthenumber 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 youmts/guessthenumber 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 youmts/guessthenumber
[INFO] finished frobbing youmts/guessthenumber
[INFO] frobbed toml for youmts/guessthenumber written to work/ex/beta-1.37-6/sources/1.36.0/gh/youmts/guessthenumber/Cargo.toml
[INFO] started frobbing youmts/guessthenumber
[INFO] finished frobbing youmts/guessthenumber
[INFO] frobbed toml for youmts/guessthenumber written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/youmts/guessthenumber/Cargo.toml
[INFO] crate youmts/guessthenumber 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing youmts/guessthenumber 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-7/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/youmts/guessthenumber:/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] 0dca1206ba166193979850f9c99e1b2952eada9a1990cc2c66a47aa2c31ce144
[INFO] running `"docker" "start" "-a" "0dca1206ba166193979850f9c99e1b2952eada9a1990cc2c66a47aa2c31ce144"`
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "0dca1206ba166193979850f9c99e1b2952eada9a1990cc2c66a47aa2c31ce144"`
[INFO] running `"docker" "rm" "-f" "0dca1206ba166193979850f9c99e1b2952eada9a1990cc2c66a47aa2c31ce144"`
[INFO] [stdout] 0dca1206ba166193979850f9c99e1b2952eada9a1990cc2c66a47aa2c31ce144
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/youmts/guessthenumber:/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] a11f1f4e0df39013a907b9c23584cf31218bb5bdeff74bcf7925c738a463c94c
[INFO] running `"docker" "start" "-a" "a11f1f4e0df39013a907b9c23584cf31218bb5bdeff74bcf7925c738a463c94c"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "a11f1f4e0df39013a907b9c23584cf31218bb5bdeff74bcf7925c738a463c94c"`
[INFO] running `"docker" "rm" "-f" "a11f1f4e0df39013a907b9c23584cf31218bb5bdeff74bcf7925c738a463c94c"`
[INFO] [stdout] a11f1f4e0df39013a907b9c23584cf31218bb5bdeff74bcf7925c738a463c94c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/youmts/guessthenumber:/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] 6b8c97a5c583f135e37f8995810bfa51022aca27cfbcd07baf4be4e48f299aa6
[INFO] running `"docker" "start" "-a" "6b8c97a5c583f135e37f8995810bfa51022aca27cfbcd07baf4be4e48f299aa6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-343413bf7b7d5e1e
[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" "6b8c97a5c583f135e37f8995810bfa51022aca27cfbcd07baf4be4e48f299aa6"`
[INFO] running `"docker" "rm" "-f" "6b8c97a5c583f135e37f8995810bfa51022aca27cfbcd07baf4be4e48f299aa6"`
[INFO] [stdout] 6b8c97a5c583f135e37f8995810bfa51022aca27cfbcd07baf4be4e48f299aa6