[INFO] updating cached repository radicalrafi/guessing-game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/radicalrafi/guessing-game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/radicalrafi/guessing-game" "work/ex/beta-1.37-6/sources/1.36.0/gh/radicalrafi/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/radicalrafi/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/radicalrafi/guessing-game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/radicalrafi/guessing-game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/radicalrafi/guessing-game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6386ccc93f7ed02857e559644d9ca245b5d5485a
[INFO] sha for GitHub repo radicalrafi/guessing-game: 6386ccc93f7ed02857e559644d9ca245b5d5485a
[INFO] validating manifest of radicalrafi/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 radicalrafi/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 radicalrafi/guessing-game
[INFO] finished frobbing radicalrafi/guessing-game
[INFO] frobbed toml for radicalrafi/guessing-game written to work/ex/beta-1.37-6/sources/1.36.0/gh/radicalrafi/guessing-game/Cargo.toml
[INFO] started frobbing radicalrafi/guessing-game
[INFO] finished frobbing radicalrafi/guessing-game
[INFO] frobbed toml for radicalrafi/guessing-game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/radicalrafi/guessing-game/Cargo.toml
[INFO] crate radicalrafi/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 radicalrafi/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-6/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/radicalrafi/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] 75eae6dd950ea06c873cf1c1170925a41f790528cc3fea319e43800e14c74eda
[INFO] running `"docker" "start" "-a" "75eae6dd950ea06c873cf1c1170925a41f790528cc3fea319e43800e14c74eda"`
[INFO] [stderr]    Compiling libc v0.2.28
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.91s
[INFO] running `"docker" "inspect" "75eae6dd950ea06c873cf1c1170925a41f790528cc3fea319e43800e14c74eda"`
[INFO] running `"docker" "rm" "-f" "75eae6dd950ea06c873cf1c1170925a41f790528cc3fea319e43800e14c74eda"`
[INFO] [stdout] 75eae6dd950ea06c873cf1c1170925a41f790528cc3fea319e43800e14c74eda
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/radicalrafi/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] ca6facb80d300113fa3f91b6e0c6794cc462a49ea87c84a8dff8dd3a502b3bb7
[INFO] running `"docker" "start" "-a" "ca6facb80d300113fa3f91b6e0c6794cc462a49ea87c84a8dff8dd3a502b3bb7"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "ca6facb80d300113fa3f91b6e0c6794cc462a49ea87c84a8dff8dd3a502b3bb7"`
[INFO] running `"docker" "rm" "-f" "ca6facb80d300113fa3f91b6e0c6794cc462a49ea87c84a8dff8dd3a502b3bb7"`
[INFO] [stdout] ca6facb80d300113fa3f91b6e0c6794cc462a49ea87c84a8dff8dd3a502b3bb7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/radicalrafi/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] 5ed4164f8ed71c6333a2c1fa3cf9ecfd0b31d8d4d97b01ed762849c614ff4ef2
[INFO] running `"docker" "start" "-a" "5ed4164f8ed71c6333a2c1fa3cf9ecfd0b31d8d4d97b01ed762849c614ff4ef2"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-424d5f12245e3de4
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5ed4164f8ed71c6333a2c1fa3cf9ecfd0b31d8d4d97b01ed762849c614ff4ef2"`
[INFO] running `"docker" "rm" "-f" "5ed4164f8ed71c6333a2c1fa3cf9ecfd0b31d8d4d97b01ed762849c614ff4ef2"`
[INFO] [stdout] 5ed4164f8ed71c6333a2c1fa3cf9ecfd0b31d8d4d97b01ed762849c614ff4ef2