[INFO] cloning repository ryanplusplus/guessing_game.rs
[INFO] running `"git" "clone" "--bare" "git://github.com/ryanplusplus/guessing_game.rs.git" "work/cache/sources/gh/ryanplusplus/guessing_game.rs"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ryanplusplus/guessing_game.rs'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ryanplusplus/guessing_game.rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/ryanplusplus/guessing_game.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ryanplusplus/guessing_game.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ryanplusplus/guessing_game.rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ryanplusplus/guessing_game.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ryanplusplus/guessing_game.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 63a3598ace25602e8ec4f89e912935aab6732ef3
[INFO] sha for GitHub repo ryanplusplus/guessing_game.rs: 63a3598ace25602e8ec4f89e912935aab6732ef3
[INFO] validating manifest of ryanplusplus/guessing_game.rs 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 ryanplusplus/guessing_game.rs 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 ryanplusplus/guessing_game.rs
[INFO] finished frobbing ryanplusplus/guessing_game.rs
[INFO] frobbed toml for ryanplusplus/guessing_game.rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/ryanplusplus/guessing_game.rs/Cargo.toml
[INFO] started frobbing ryanplusplus/guessing_game.rs
[INFO] finished frobbing ryanplusplus/guessing_game.rs
[INFO] frobbed toml for ryanplusplus/guessing_game.rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ryanplusplus/guessing_game.rs/Cargo.toml
[INFO] crate ryanplusplus/guessing_game.rs 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 ryanplusplus/guessing_game.rs 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-7/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/ryanplusplus/guessing_game.rs:/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] 01575459b727645917a8844b050a1e98a15ea0ac95e3f1a495618ff06dd2ef09
[INFO] running `"docker" "start" "-a" "01575459b727645917a8844b050a1e98a15ea0ac95e3f1a495618ff06dd2ef09"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "01575459b727645917a8844b050a1e98a15ea0ac95e3f1a495618ff06dd2ef09"`
[INFO] running `"docker" "rm" "-f" "01575459b727645917a8844b050a1e98a15ea0ac95e3f1a495618ff06dd2ef09"`
[INFO] [stdout] 01575459b727645917a8844b050a1e98a15ea0ac95e3f1a495618ff06dd2ef09
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/ryanplusplus/guessing_game.rs:/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] c9b6c44e45163c617cd5786b39c903219032bad17992567285b9b4e16f05e94f
[INFO] running `"docker" "start" "-a" "c9b6c44e45163c617cd5786b39c903219032bad17992567285b9b4e16f05e94f"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "c9b6c44e45163c617cd5786b39c903219032bad17992567285b9b4e16f05e94f"`
[INFO] running `"docker" "rm" "-f" "c9b6c44e45163c617cd5786b39c903219032bad17992567285b9b4e16f05e94f"`
[INFO] [stdout] c9b6c44e45163c617cd5786b39c903219032bad17992567285b9b4e16f05e94f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/ryanplusplus/guessing_game.rs:/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] 0d016d0cbb05dcca161ee9b2cb1a24a96c7e8f3d7d989b7b36d6b14f10cb6d5a
[INFO] running `"docker" "start" "-a" "0d016d0cbb05dcca161ee9b2cb1a24a96c7e8f3d7d989b7b36d6b14f10cb6d5a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-17d949015b84bce1
[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" "0d016d0cbb05dcca161ee9b2cb1a24a96c7e8f3d7d989b7b36d6b14f10cb6d5a"`
[INFO] running `"docker" "rm" "-f" "0d016d0cbb05dcca161ee9b2cb1a24a96c7e8f3d7d989b7b36d6b14f10cb6d5a"`
[INFO] [stdout] 0d016d0cbb05dcca161ee9b2cb1a24a96c7e8f3d7d989b7b36d6b14f10cb6d5a