[INFO] updating cached repository mihemihe/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mihemihe/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mihemihe/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/mihemihe/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mihemihe/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mihemihe/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mihemihe/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mihemihe/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 56a60ef98f45bb99bf3bab7aed3e669db9f6e66f
[INFO] sha for GitHub repo mihemihe/guessing_game: 56a60ef98f45bb99bf3bab7aed3e669db9f6e66f
[INFO] validating manifest of mihemihe/guessing_game 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 mihemihe/guessing_game 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 mihemihe/guessing_game
[INFO] finished frobbing mihemihe/guessing_game
[INFO] frobbed toml for mihemihe/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/mihemihe/guessing_game/Cargo.toml
[INFO] started frobbing mihemihe/guessing_game
[INFO] finished frobbing mihemihe/guessing_game
[INFO] frobbed toml for mihemihe/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mihemihe/guessing_game/Cargo.toml
[INFO] crate mihemihe/guessing_game 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mihemihe/guessing_game against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mihemihe/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 5189fdc739e2fba99d4439da5a5d7a9cc1de70dfedb4f38b25abe7256487b388
[INFO] running `"docker" "start" "-a" "5189fdc739e2fba99d4439da5a5d7a9cc1de70dfedb4f38b25abe7256487b388"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "5189fdc739e2fba99d4439da5a5d7a9cc1de70dfedb4f38b25abe7256487b388"`
[INFO] running `"docker" "rm" "-f" "5189fdc739e2fba99d4439da5a5d7a9cc1de70dfedb4f38b25abe7256487b388"`
[INFO] [stdout] 5189fdc739e2fba99d4439da5a5d7a9cc1de70dfedb4f38b25abe7256487b388
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mihemihe/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] c3be92417b0a8aa8c526f2388da46af18780909207dc0c8721093986e8c0f648
[INFO] running `"docker" "start" "-a" "c3be92417b0a8aa8c526f2388da46af18780909207dc0c8721093986e8c0f648"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "c3be92417b0a8aa8c526f2388da46af18780909207dc0c8721093986e8c0f648"`
[INFO] running `"docker" "rm" "-f" "c3be92417b0a8aa8c526f2388da46af18780909207dc0c8721093986e8c0f648"`
[INFO] [stdout] c3be92417b0a8aa8c526f2388da46af18780909207dc0c8721093986e8c0f648
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/mihemihe/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 29b9faade7a0be101ea8d899eb6eb8b5e7c9c66620a055966b8124487e94c8f2
[INFO] running `"docker" "start" "-a" "29b9faade7a0be101ea8d899eb6eb8b5e7c9c66620a055966b8124487e94c8f2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-ed7ca9788ef6127c
[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" "29b9faade7a0be101ea8d899eb6eb8b5e7c9c66620a055966b8124487e94c8f2"`
[INFO] running `"docker" "rm" "-f" "29b9faade7a0be101ea8d899eb6eb8b5e7c9c66620a055966b8124487e94c8f2"`
[INFO] [stdout] 29b9faade7a0be101ea8d899eb6eb8b5e7c9c66620a055966b8124487e94c8f2