[INFO] updating cached repository acswift/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/acswift/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/acswift/guessing_game" "work/ex/beta-1.37-6/sources/1.36.0/gh/acswift/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/acswift/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/acswift/guessing_game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/acswift/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/acswift/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b4ed81c267156dfa6fe88dc816dde45ed7f1e41c
[INFO] sha for GitHub repo acswift/guessing_game: b4ed81c267156dfa6fe88dc816dde45ed7f1e41c
[INFO] validating manifest of acswift/guessing_game 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 acswift/guessing_game 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 acswift/guessing_game
[INFO] finished frobbing acswift/guessing_game
[INFO] frobbed toml for acswift/guessing_game written to work/ex/beta-1.37-6/sources/1.36.0/gh/acswift/guessing_game/Cargo.toml
[INFO] started frobbing acswift/guessing_game
[INFO] finished frobbing acswift/guessing_game
[INFO] frobbed toml for acswift/guessing_game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/acswift/guessing_game/Cargo.toml
[INFO] crate acswift/guessing_game 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 acswift/guessing_game 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-5/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/acswift/guessing_game:/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] eb61cde9545f1b784a836c9fbe711ba52baf9c8a8b6151139ec630d8cac3a688
[INFO] running `"docker" "start" "-a" "eb61cde9545f1b784a836c9fbe711ba52baf9c8a8b6151139ec630d8cac3a688"`
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling rand_core v0.2.0
[INFO] [stderr]    Compiling rand v0.5.0
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.69s
[INFO] running `"docker" "inspect" "eb61cde9545f1b784a836c9fbe711ba52baf9c8a8b6151139ec630d8cac3a688"`
[INFO] running `"docker" "rm" "-f" "eb61cde9545f1b784a836c9fbe711ba52baf9c8a8b6151139ec630d8cac3a688"`
[INFO] [stdout] eb61cde9545f1b784a836c9fbe711ba52baf9c8a8b6151139ec630d8cac3a688
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/acswift/guessing_game:/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] 463b0b245b394c595c3deb355d72ae7d3207aab0f3661e4b2fd8444e85392205
[INFO] running `"docker" "start" "-a" "463b0b245b394c595c3deb355d72ae7d3207aab0f3661e4b2fd8444e85392205"`
[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" "463b0b245b394c595c3deb355d72ae7d3207aab0f3661e4b2fd8444e85392205"`
[INFO] running `"docker" "rm" "-f" "463b0b245b394c595c3deb355d72ae7d3207aab0f3661e4b2fd8444e85392205"`
[INFO] [stdout] 463b0b245b394c595c3deb355d72ae7d3207aab0f3661e4b2fd8444e85392205
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/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/acswift/guessing_game:/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] 208d5049e9da36a13250ef677c7e173cb1b1b74149fd5d00243fa9369e88cf26
[INFO] running `"docker" "start" "-a" "208d5049e9da36a13250ef677c7e173cb1b1b74149fd5d00243fa9369e88cf26"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-810454681a4e3987
[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" "208d5049e9da36a13250ef677c7e173cb1b1b74149fd5d00243fa9369e88cf26"`
[INFO] running `"docker" "rm" "-f" "208d5049e9da36a13250ef677c7e173cb1b1b74149fd5d00243fa9369e88cf26"`
[INFO] [stdout] 208d5049e9da36a13250ef677c7e173cb1b1b74149fd5d00243fa9369e88cf26