[INFO] updating cached repository ArmanAttaran/Book
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ArmanAttaran/Book
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ArmanAttaran/Book" "work/ex/beta-1.38-1/sources/1.37.0/gh/ArmanAttaran/Book"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ArmanAttaran/Book'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ArmanAttaran/Book" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ArmanAttaran/Book"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ArmanAttaran/Book'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f8bedcfa89bf7bff4dd5305e473dccb9d73e888
[INFO] sha for GitHub repo ArmanAttaran/Book: 1f8bedcfa89bf7bff4dd5305e473dccb9d73e888
[INFO] validating manifest of ArmanAttaran/Book 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 ArmanAttaran/Book 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 ArmanAttaran/Book
[INFO] finished frobbing ArmanAttaran/Book
[INFO] frobbed toml for ArmanAttaran/Book written to work/ex/beta-1.38-1/sources/1.37.0/gh/ArmanAttaran/Book/Cargo.toml
[INFO] started frobbing ArmanAttaran/Book
[INFO] finished frobbing ArmanAttaran/Book
[INFO] frobbed toml for ArmanAttaran/Book written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ArmanAttaran/Book/Cargo.toml
[INFO] crate ArmanAttaran/Book 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 ArmanAttaran/Book against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ArmanAttaran/Book:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] cea30e123394eaca6311ec4a34dac9e7b20d3863bdf1140ae3393da11734fc59
[INFO] running `"docker" "start" "-a" "cea30e123394eaca6311ec4a34dac9e7b20d3863bdf1140ae3393da11734fc59"`
[INFO] [stderr]    Compiling Guessing_game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: expected one of `!` or `::`, found `<eof>`
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | jmiknjmko
[INFO] [stderr]   | ^^^^^^^^^ expected one of `!` or `::` here
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `Guessing_game`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "cea30e123394eaca6311ec4a34dac9e7b20d3863bdf1140ae3393da11734fc59"`
[INFO] running `"docker" "rm" "-f" "cea30e123394eaca6311ec4a34dac9e7b20d3863bdf1140ae3393da11734fc59"`
[INFO] [stdout] cea30e123394eaca6311ec4a34dac9e7b20d3863bdf1140ae3393da11734fc59