[INFO] updating cached repository digaoramos/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/digaoramos/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/digaoramos/guessing_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/digaoramos/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/digaoramos/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/digaoramos/guessing_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/digaoramos/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/digaoramos/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a7924d5587ef58545decf06317db72de5e43dce3
[INFO] sha for GitHub repo digaoramos/guessing_game: a7924d5587ef58545decf06317db72de5e43dce3
[INFO] validating manifest of digaoramos/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 digaoramos/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 digaoramos/guessing_game
[INFO] finished frobbing digaoramos/guessing_game
[INFO] frobbed toml for digaoramos/guessing_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/digaoramos/guessing_game/Cargo.toml
[INFO] started frobbing digaoramos/guessing_game
[INFO] finished frobbing digaoramos/guessing_game
[INFO] frobbed toml for digaoramos/guessing_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/digaoramos/guessing_game/Cargo.toml
[INFO] crate digaoramos/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 digaoramos/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-6/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/digaoramos/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] 690a9606b2662566da0d5c9c5c399b7626179eea30bb2cc61ab4545c29b34f94
[INFO] running `"docker" "start" "-a" "690a9606b2662566da0d5c9c5c399b7626179eea30bb2cc61ab4545c29b34f94"`
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `"docker" "inspect" "690a9606b2662566da0d5c9c5c399b7626179eea30bb2cc61ab4545c29b34f94"`
[INFO] running `"docker" "rm" "-f" "690a9606b2662566da0d5c9c5c399b7626179eea30bb2cc61ab4545c29b34f94"`
[INFO] [stdout] 690a9606b2662566da0d5c9c5c399b7626179eea30bb2cc61ab4545c29b34f94
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/digaoramos/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] 19fff3f778dc8be6031030c47664b062d00baaa4c1830e1a464352a3b5279926
[INFO] running `"docker" "start" "-a" "19fff3f778dc8be6031030c47664b062d00baaa4c1830e1a464352a3b5279926"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "19fff3f778dc8be6031030c47664b062d00baaa4c1830e1a464352a3b5279926"`
[INFO] running `"docker" "rm" "-f" "19fff3f778dc8be6031030c47664b062d00baaa4c1830e1a464352a3b5279926"`
[INFO] [stdout] 19fff3f778dc8be6031030c47664b062d00baaa4c1830e1a464352a3b5279926
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/digaoramos/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] 498855dd2d8ad6e2d713f16c8ba16b400920ebeb51fffcceb90792f06e9476be
[INFO] running `"docker" "start" "-a" "498855dd2d8ad6e2d713f16c8ba16b400920ebeb51fffcceb90792f06e9476be"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-8b794609dcb0b5bf
[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" "498855dd2d8ad6e2d713f16c8ba16b400920ebeb51fffcceb90792f06e9476be"`
[INFO] running `"docker" "rm" "-f" "498855dd2d8ad6e2d713f16c8ba16b400920ebeb51fffcceb90792f06e9476be"`
[INFO] [stdout] 498855dd2d8ad6e2d713f16c8ba16b400920ebeb51fffcceb90792f06e9476be