[INFO] updating cached repository dingpl716/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dingpl716/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dingpl716/guessing_game" "work/ex/beta-1.37-6/sources/1.36.0/gh/dingpl716/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dingpl716/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dingpl716/guessing_game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dingpl716/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dingpl716/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 20555d852ad8ac0f410ced36e974319288e0a10d
[INFO] sha for GitHub repo dingpl716/guessing_game: 20555d852ad8ac0f410ced36e974319288e0a10d
[INFO] validating manifest of dingpl716/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 dingpl716/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 dingpl716/guessing_game
[INFO] finished frobbing dingpl716/guessing_game
[INFO] frobbed toml for dingpl716/guessing_game written to work/ex/beta-1.37-6/sources/1.36.0/gh/dingpl716/guessing_game/Cargo.toml
[INFO] started frobbing dingpl716/guessing_game
[INFO] finished frobbing dingpl716/guessing_game
[INFO] frobbed toml for dingpl716/guessing_game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dingpl716/guessing_game/Cargo.toml
[INFO] crate dingpl716/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 dingpl716/guessing_game against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/dingpl716/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 03abcb4ab7a064ea4bdc05a5a1cacb26f3534baceff1128b6f4919bf1a1ee714
[INFO] running `"docker" "start" "-a" "03abcb4ab7a064ea4bdc05a5a1cacb26f3534baceff1128b6f4919bf1a1ee714"`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `"docker" "inspect" "03abcb4ab7a064ea4bdc05a5a1cacb26f3534baceff1128b6f4919bf1a1ee714"`
[INFO] running `"docker" "rm" "-f" "03abcb4ab7a064ea4bdc05a5a1cacb26f3534baceff1128b6f4919bf1a1ee714"`
[INFO] [stdout] 03abcb4ab7a064ea4bdc05a5a1cacb26f3534baceff1128b6f4919bf1a1ee714
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/dingpl716/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5618441e45b8566d925d3c62e52fd734dfdb9052d9785c2cced39768f4421463
[INFO] running `"docker" "start" "-a" "5618441e45b8566d925d3c62e52fd734dfdb9052d9785c2cced39768f4421463"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "5618441e45b8566d925d3c62e52fd734dfdb9052d9785c2cced39768f4421463"`
[INFO] running `"docker" "rm" "-f" "5618441e45b8566d925d3c62e52fd734dfdb9052d9785c2cced39768f4421463"`
[INFO] [stdout] 5618441e45b8566d925d3c62e52fd734dfdb9052d9785c2cced39768f4421463
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/dingpl716/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] f23a2d12cfcf526bf356b0f1b7cd1089ac054b85adf5be963c353b1c4eba76ec
[INFO] running `"docker" "start" "-a" "f23a2d12cfcf526bf356b0f1b7cd1089ac054b85adf5be963c353b1c4eba76ec"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-47e52a2a431724ec
[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" "f23a2d12cfcf526bf356b0f1b7cd1089ac054b85adf5be963c353b1c4eba76ec"`
[INFO] running `"docker" "rm" "-f" "f23a2d12cfcf526bf356b0f1b7cd1089ac054b85adf5be963c353b1c4eba76ec"`
[INFO] [stdout] f23a2d12cfcf526bf356b0f1b7cd1089ac054b85adf5be963c353b1c4eba76ec