[INFO] updating cached repository ryanplusplus/guessing_game.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ryanplusplus/guessing_game.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ryanplusplus/guessing_game.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/ryanplusplus/guessing_game.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ryanplusplus/guessing_game.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ryanplusplus/guessing_game.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryanplusplus/guessing_game.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ryanplusplus/guessing_game.rs 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 ryanplusplus/guessing_game.rs
[INFO] finished frobbing ryanplusplus/guessing_game.rs
[INFO] frobbed toml for ryanplusplus/guessing_game.rs written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "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 ryanplusplus/guessing_game.rs 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-2/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/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 15ddd263f318a3428389979f1c560017b878ecbedd2458e145debe32d8d21545
[INFO] running `"docker" "start" "-a" "15ddd263f318a3428389979f1c560017b878ecbedd2458e145debe32d8d21545"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `"docker" "inspect" "15ddd263f318a3428389979f1c560017b878ecbedd2458e145debe32d8d21545"`
[INFO] running `"docker" "rm" "-f" "15ddd263f318a3428389979f1c560017b878ecbedd2458e145debe32d8d21545"`
[INFO] [stdout] 15ddd263f318a3428389979f1c560017b878ecbedd2458e145debe32d8d21545
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 489aadb3aa2eca53495fdadd9f453393018a39f1f2a7045ca50fe6f8933ead3b
[INFO] running `"docker" "start" "-a" "489aadb3aa2eca53495fdadd9f453393018a39f1f2a7045ca50fe6f8933ead3b"`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "489aadb3aa2eca53495fdadd9f453393018a39f1f2a7045ca50fe6f8933ead3b"`
[INFO] running `"docker" "rm" "-f" "489aadb3aa2eca53495fdadd9f453393018a39f1f2a7045ca50fe6f8933ead3b"`
[INFO] [stdout] 489aadb3aa2eca53495fdadd9f453393018a39f1f2a7045ca50fe6f8933ead3b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 420f86ba5089adcc74faca4f6d84d3bbc1a1d4b981345b429eb24d9989e9f769
[INFO] running `"docker" "start" "-a" "420f86ba5089adcc74faca4f6d84d3bbc1a1d4b981345b429eb24d9989e9f769"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/guessing_game-f5f45885591a4a4c
[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" "420f86ba5089adcc74faca4f6d84d3bbc1a1d4b981345b429eb24d9989e9f769"`
[INFO] running `"docker" "rm" "-f" "420f86ba5089adcc74faca4f6d84d3bbc1a1d4b981345b429eb24d9989e9f769"`
[INFO] [stdout] 420f86ba5089adcc74faca4f6d84d3bbc1a1d4b981345b429eb24d9989e9f769