[INFO] updating cached repository jsvoid/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jsvoid/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jsvoid/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/jsvoid/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jsvoid/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jsvoid/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jsvoid/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jsvoid/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6c70897b802a4ef1138191de30b3515d74fa21d4
[INFO] sha for GitHub repo jsvoid/guessing_game: 6c70897b802a4ef1138191de30b3515d74fa21d4
[INFO] validating manifest of jsvoid/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 jsvoid/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 jsvoid/guessing_game
[INFO] finished frobbing jsvoid/guessing_game
[INFO] frobbed toml for jsvoid/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/jsvoid/guessing_game/Cargo.toml
[INFO] started frobbing jsvoid/guessing_game
[INFO] finished frobbing jsvoid/guessing_game
[INFO] frobbed toml for jsvoid/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jsvoid/guessing_game/Cargo.toml
[INFO] crate jsvoid/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 jsvoid/guessing_game against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jsvoid/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] bece84007502b2d2bf9f6c96e720bfafba1fcc290289df4eef8481a262963cb9
[INFO] running `"docker" "start" "-a" "bece84007502b2d2bf9f6c96e720bfafba1fcc290289df4eef8481a262963cb9"`
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `"docker" "inspect" "bece84007502b2d2bf9f6c96e720bfafba1fcc290289df4eef8481a262963cb9"`
[INFO] running `"docker" "rm" "-f" "bece84007502b2d2bf9f6c96e720bfafba1fcc290289df4eef8481a262963cb9"`
[INFO] [stdout] bece84007502b2d2bf9f6c96e720bfafba1fcc290289df4eef8481a262963cb9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jsvoid/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c594cca42de57fe13aa99ebede18dbc56886fe7210b432db6f58a4e2d1eb37d1
[INFO] running `"docker" "start" "-a" "c594cca42de57fe13aa99ebede18dbc56886fe7210b432db6f58a4e2d1eb37d1"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "c594cca42de57fe13aa99ebede18dbc56886fe7210b432db6f58a4e2d1eb37d1"`
[INFO] running `"docker" "rm" "-f" "c594cca42de57fe13aa99ebede18dbc56886fe7210b432db6f58a4e2d1eb37d1"`
[INFO] [stdout] c594cca42de57fe13aa99ebede18dbc56886fe7210b432db6f58a4e2d1eb37d1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jsvoid/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 72cc6fa98390235e2ffd927d756283c922c6e25a62ce671fa6f2dcf459f943fc
[INFO] running `"docker" "start" "-a" "72cc6fa98390235e2ffd927d756283c922c6e25a62ce671fa6f2dcf459f943fc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-14a6613c4d839ed4
[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" "72cc6fa98390235e2ffd927d756283c922c6e25a62ce671fa6f2dcf459f943fc"`
[INFO] running `"docker" "rm" "-f" "72cc6fa98390235e2ffd927d756283c922c6e25a62ce671fa6f2dcf459f943fc"`
[INFO] [stdout] 72cc6fa98390235e2ffd927d756283c922c6e25a62ce671fa6f2dcf459f943fc