[INFO] updating cached repository russiancow/LostCitiesSimulation
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/russiancow/LostCitiesSimulation
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/russiancow/LostCitiesSimulation" "work/ex/beta-1.38-1/sources/1.37.0/gh/russiancow/LostCitiesSimulation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/russiancow/LostCitiesSimulation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/russiancow/LostCitiesSimulation" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/russiancow/LostCitiesSimulation"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/russiancow/LostCitiesSimulation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b4d8436f8383f688b02ca08bf70fdb7efa2053f
[INFO] sha for GitHub repo russiancow/LostCitiesSimulation: 1b4d8436f8383f688b02ca08bf70fdb7efa2053f
[INFO] validating manifest of russiancow/LostCitiesSimulation 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 russiancow/LostCitiesSimulation 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 russiancow/LostCitiesSimulation
[INFO] finished frobbing russiancow/LostCitiesSimulation
[INFO] frobbed toml for russiancow/LostCitiesSimulation written to work/ex/beta-1.38-1/sources/1.37.0/gh/russiancow/LostCitiesSimulation/Cargo.toml
[INFO] started frobbing russiancow/LostCitiesSimulation
[INFO] finished frobbing russiancow/LostCitiesSimulation
[INFO] frobbed toml for russiancow/LostCitiesSimulation written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/russiancow/LostCitiesSimulation/Cargo.toml
[INFO] crate russiancow/LostCitiesSimulation 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing russiancow/LostCitiesSimulation 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-4/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/russiancow/LostCitiesSimulation:/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] c3f47ea240d58ccd1b456f769d443f4d17459a9d98e5a03008f866b722f9ce69
[INFO] running `"docker" "start" "-a" "c3f47ea240d58ccd1b456f769d443f4d17459a9d98e5a03008f866b722f9ce69"`
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling lost_cities_simulation v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error[E0615]: attempted to take value of method `is_finished` on type `state::GameState`
[INFO] [stderr]   --> src/main.rs:17:15
[INFO] [stderr]    |
[INFO] [stderr] 17 |     while !state.is_finished {
[INFO] [stderr]    |                  ^^^^^^^^^^^ help: use parentheses to call the method: `is_finished()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0615`.
[INFO] [stderr] error: Could not compile `lost_cities_simulation`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c3f47ea240d58ccd1b456f769d443f4d17459a9d98e5a03008f866b722f9ce69"`
[INFO] running `"docker" "rm" "-f" "c3f47ea240d58ccd1b456f769d443f4d17459a9d98e5a03008f866b722f9ce69"`
[INFO] [stdout] c3f47ea240d58ccd1b456f769d443f4d17459a9d98e5a03008f866b722f9ce69