[INFO] updating cached repository xiyusullos/guess_number
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xiyusullos/guess_number
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xiyusullos/guess_number" "work/ex/beta-1.38-1/sources/1.37.0/gh/xiyusullos/guess_number"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/xiyusullos/guess_number'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xiyusullos/guess_number" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xiyusullos/guess_number"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xiyusullos/guess_number'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 410ca054e92f12c9f77df3076017b59274703519
[INFO] sha for GitHub repo xiyusullos/guess_number: 410ca054e92f12c9f77df3076017b59274703519
[INFO] validating manifest of xiyusullos/guess_number 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 xiyusullos/guess_number 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 xiyusullos/guess_number
[INFO] finished frobbing xiyusullos/guess_number
[INFO] frobbed toml for xiyusullos/guess_number written to work/ex/beta-1.38-1/sources/1.37.0/gh/xiyusullos/guess_number/Cargo.toml
[INFO] started frobbing xiyusullos/guess_number
[INFO] finished frobbing xiyusullos/guess_number
[INFO] frobbed toml for xiyusullos/guess_number written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/xiyusullos/guess_number/Cargo.toml
[INFO] crate xiyusullos/guess_number 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/xiyusullos/guess_number/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[INFO] the lockfile is outdated, regenerating it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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing xiyusullos/guess_number 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/xiyusullos/guess_number:/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] c871dc49e7bbd6c116810261917a0c3ee35832522bba2181e4827b45d0d90efe
[INFO] running `"docker" "start" "-a" "c871dc49e7bbd6c116810261917a0c3ee35832522bba2181e4827b45d0d90efe"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "c871dc49e7bbd6c116810261917a0c3ee35832522bba2181e4827b45d0d90efe"`
[INFO] running `"docker" "rm" "-f" "c871dc49e7bbd6c116810261917a0c3ee35832522bba2181e4827b45d0d90efe"`
[INFO] [stdout] c871dc49e7bbd6c116810261917a0c3ee35832522bba2181e4827b45d0d90efe
[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/xiyusullos/guess_number:/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] e40b726878027b1046a53ba0c88a89f923ddde36b1bd69430b404478de1fd2de
[INFO] running `"docker" "start" "-a" "e40b726878027b1046a53ba0c88a89f923ddde36b1bd69430b404478de1fd2de"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "e40b726878027b1046a53ba0c88a89f923ddde36b1bd69430b404478de1fd2de"`
[INFO] running `"docker" "rm" "-f" "e40b726878027b1046a53ba0c88a89f923ddde36b1bd69430b404478de1fd2de"`
[INFO] [stdout] e40b726878027b1046a53ba0c88a89f923ddde36b1bd69430b404478de1fd2de
[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/xiyusullos/guess_number:/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] 22945b3368339b61f19d04db6ed069cdb79394ea0fe551722c2a177c3b122270
[INFO] running `"docker" "start" "-a" "22945b3368339b61f19d04db6ed069cdb79394ea0fe551722c2a177c3b122270"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-d3b489c9cf77eea3
[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" "22945b3368339b61f19d04db6ed069cdb79394ea0fe551722c2a177c3b122270"`
[INFO] running `"docker" "rm" "-f" "22945b3368339b61f19d04db6ed069cdb79394ea0fe551722c2a177c3b122270"`
[INFO] [stdout] 22945b3368339b61f19d04db6ed069cdb79394ea0fe551722c2a177c3b122270