[INFO] updating cached repository ashleymichal/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ashleymichal/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ashleymichal/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/ashleymichal/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ashleymichal/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashleymichal/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashleymichal/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashleymichal/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d78cf1b7b86498353de5e2a1fccb7ad3f17efa10
[INFO] sha for GitHub repo ashleymichal/guessing_game: d78cf1b7b86498353de5e2a1fccb7ad3f17efa10
[INFO] validating manifest of ashleymichal/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 ashleymichal/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 ashleymichal/guessing_game
[INFO] finished frobbing ashleymichal/guessing_game
[INFO] frobbed toml for ashleymichal/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/ashleymichal/guessing_game/Cargo.toml
[INFO] started frobbing ashleymichal/guessing_game
[INFO] finished frobbing ashleymichal/guessing_game
[INFO] frobbed toml for ashleymichal/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ashleymichal/guessing_game/Cargo.toml
[INFO] crate ashleymichal/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 ashleymichal/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/ashleymichal/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] a88d41dd1db70696d84e70ab62797e7d95c879dad19b4399a42b3e8132f83246
[INFO] running `"docker" "start" "-a" "a88d41dd1db70696d84e70ab62797e7d95c879dad19b4399a42b3e8132f83246"`
[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 2.92s
[INFO] running `"docker" "inspect" "a88d41dd1db70696d84e70ab62797e7d95c879dad19b4399a42b3e8132f83246"`
[INFO] running `"docker" "rm" "-f" "a88d41dd1db70696d84e70ab62797e7d95c879dad19b4399a42b3e8132f83246"`
[INFO] [stdout] a88d41dd1db70696d84e70ab62797e7d95c879dad19b4399a42b3e8132f83246
[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/ashleymichal/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] e33c5c3640d1b8accc15270834d7c30006d8e92f354c11bc09c9ca77c29eddd2
[INFO] running `"docker" "start" "-a" "e33c5c3640d1b8accc15270834d7c30006d8e92f354c11bc09c9ca77c29eddd2"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "e33c5c3640d1b8accc15270834d7c30006d8e92f354c11bc09c9ca77c29eddd2"`
[INFO] running `"docker" "rm" "-f" "e33c5c3640d1b8accc15270834d7c30006d8e92f354c11bc09c9ca77c29eddd2"`
[INFO] [stdout] e33c5c3640d1b8accc15270834d7c30006d8e92f354c11bc09c9ca77c29eddd2
[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/ashleymichal/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] fab77b5345c490554bcd34d89301d50d323f47ff7bc9f0bd1bce897ab562d4f5
[INFO] running `"docker" "start" "-a" "fab77b5345c490554bcd34d89301d50d323f47ff7bc9f0bd1bce897ab562d4f5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-184d398abeac09b6
[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" "fab77b5345c490554bcd34d89301d50d323f47ff7bc9f0bd1bce897ab562d4f5"`
[INFO] running `"docker" "rm" "-f" "fab77b5345c490554bcd34d89301d50d323f47ff7bc9f0bd1bce897ab562d4f5"`
[INFO] [stdout] fab77b5345c490554bcd34d89301d50d323f47ff7bc9f0bd1bce897ab562d4f5