[INFO] updating cached repository srdone/guessing_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/srdone/guessing_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/srdone/guessing_game" "work/ex/beta-1.37-6/sources/1.36.0/gh/srdone/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/srdone/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/srdone/guessing_game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/srdone/guessing_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/srdone/guessing_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b6da808e55d78cad0b50f9aafa59ffaf8272220f
[INFO] sha for GitHub repo srdone/guessing_game: b6da808e55d78cad0b50f9aafa59ffaf8272220f
[INFO] validating manifest of srdone/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 srdone/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 srdone/guessing_game
[INFO] finished frobbing srdone/guessing_game
[INFO] frobbed toml for srdone/guessing_game written to work/ex/beta-1.37-6/sources/1.36.0/gh/srdone/guessing_game/Cargo.toml
[INFO] started frobbing srdone/guessing_game
[INFO] finished frobbing srdone/guessing_game
[INFO] frobbed toml for srdone/guessing_game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/srdone/guessing_game/Cargo.toml
[INFO] crate srdone/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 srdone/guessing_game against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/srdone/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] e3bc3fdb54de57c6d111385cef97d911eb388daffa562b85ea408e63be10c22e
[INFO] running `"docker" "start" "-a" "e3bc3fdb54de57c6d111385cef97d911eb388daffa562b85ea408e63be10c22e"`
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `"docker" "inspect" "e3bc3fdb54de57c6d111385cef97d911eb388daffa562b85ea408e63be10c22e"`
[INFO] running `"docker" "rm" "-f" "e3bc3fdb54de57c6d111385cef97d911eb388daffa562b85ea408e63be10c22e"`
[INFO] [stdout] e3bc3fdb54de57c6d111385cef97d911eb388daffa562b85ea408e63be10c22e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/srdone/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] c169c0f85bb6a9c5ca8109074e49db39f3d1d215e37b750d59b7e71f1c8c1451
[INFO] running `"docker" "start" "-a" "c169c0f85bb6a9c5ca8109074e49db39f3d1d215e37b750d59b7e71f1c8c1451"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `"docker" "inspect" "c169c0f85bb6a9c5ca8109074e49db39f3d1d215e37b750d59b7e71f1c8c1451"`
[INFO] running `"docker" "rm" "-f" "c169c0f85bb6a9c5ca8109074e49db39f3d1d215e37b750d59b7e71f1c8c1451"`
[INFO] [stdout] c169c0f85bb6a9c5ca8109074e49db39f3d1d215e37b750d59b7e71f1c8c1451
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/srdone/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 61efc1f4df40a4416b9d80b189d469e5dda289a32d74e12399038d2bb88198be
[INFO] running `"docker" "start" "-a" "61efc1f4df40a4416b9d80b189d469e5dda289a32d74e12399038d2bb88198be"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-84fbc698e1f696e4
[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" "61efc1f4df40a4416b9d80b189d469e5dda289a32d74e12399038d2bb88198be"`
[INFO] running `"docker" "rm" "-f" "61efc1f4df40a4416b9d80b189d469e5dda289a32d74e12399038d2bb88198be"`
[INFO] [stdout] 61efc1f4df40a4416b9d80b189d469e5dda289a32d74e12399038d2bb88198be