[INFO] updating cached repository akito19/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/akito19/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/akito19/guessing_game" "work/ex/beta-1.37-6/sources/1.36.0/gh/akito19/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/akito19/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/akito19/guessing_game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/akito19/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/akito19/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2a3bf4f2ec6ef3293926dd1971315fc58a0700e0
[INFO] sha for GitHub repo akito19/guessing_game: 2a3bf4f2ec6ef3293926dd1971315fc58a0700e0
[INFO] validating manifest of akito19/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 akito19/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 akito19/guessing_game
[INFO] finished frobbing akito19/guessing_game
[INFO] frobbed toml for akito19/guessing_game written to work/ex/beta-1.37-6/sources/1.36.0/gh/akito19/guessing_game/Cargo.toml
[INFO] started frobbing akito19/guessing_game
[INFO] finished frobbing akito19/guessing_game
[INFO] frobbed toml for akito19/guessing_game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/akito19/guessing_game/Cargo.toml
[INFO] crate akito19/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 akito19/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-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/akito19/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] 1dd68541e86c4668a946c157b1cb6c2990ceb719e19756a34f3db8312358ecc6
[INFO] running `"docker" "start" "-a" "1dd68541e86c4668a946c157b1cb6c2990ceb719e19756a34f3db8312358ecc6"`
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `"docker" "inspect" "1dd68541e86c4668a946c157b1cb6c2990ceb719e19756a34f3db8312358ecc6"`
[INFO] running `"docker" "rm" "-f" "1dd68541e86c4668a946c157b1cb6c2990ceb719e19756a34f3db8312358ecc6"`
[INFO] [stdout] 1dd68541e86c4668a946c157b1cb6c2990ceb719e19756a34f3db8312358ecc6
[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/akito19/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] f89c202bf83fcf3dac953e56809cbb68448b3eea0fb52a3c065860f922505005
[INFO] running `"docker" "start" "-a" "f89c202bf83fcf3dac953e56809cbb68448b3eea0fb52a3c065860f922505005"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `"docker" "inspect" "f89c202bf83fcf3dac953e56809cbb68448b3eea0fb52a3c065860f922505005"`
[INFO] running `"docker" "rm" "-f" "f89c202bf83fcf3dac953e56809cbb68448b3eea0fb52a3c065860f922505005"`
[INFO] [stdout] f89c202bf83fcf3dac953e56809cbb68448b3eea0fb52a3c065860f922505005
[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/akito19/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] f7b719411c86760e759d28c015196f9a9decb3b5690bfd2d5f96c3570d2c648a
[INFO] running `"docker" "start" "-a" "f7b719411c86760e759d28c015196f9a9decb3b5690bfd2d5f96c3570d2c648a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-51824aeaf1daa004
[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" "f7b719411c86760e759d28c015196f9a9decb3b5690bfd2d5f96c3570d2c648a"`
[INFO] running `"docker" "rm" "-f" "f7b719411c86760e759d28c015196f9a9decb3b5690bfd2d5f96c3570d2c648a"`
[INFO] [stdout] f7b719411c86760e759d28c015196f9a9decb3b5690bfd2d5f96c3570d2c648a