[INFO] updating cached repository lostmsu/hashlife
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lostmsu/hashlife
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lostmsu/hashlife" "work/ex/beta-1.38-1/sources/1.37.0/gh/lostmsu/hashlife"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/lostmsu/hashlife'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lostmsu/hashlife" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lostmsu/hashlife"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lostmsu/hashlife'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9ac9652efd3a0984c6a893d4dfae67fa4259c8b7
[INFO] sha for GitHub repo lostmsu/hashlife: 9ac9652efd3a0984c6a893d4dfae67fa4259c8b7
[INFO] validating manifest of lostmsu/hashlife 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 lostmsu/hashlife 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 lostmsu/hashlife
[INFO] finished frobbing lostmsu/hashlife
[INFO] frobbed toml for lostmsu/hashlife written to work/ex/beta-1.38-1/sources/1.37.0/gh/lostmsu/hashlife/Cargo.toml
[INFO] started frobbing lostmsu/hashlife
[INFO] finished frobbing lostmsu/hashlife
[INFO] frobbed toml for lostmsu/hashlife written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/lostmsu/hashlife/Cargo.toml
[INFO] crate lostmsu/hashlife 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 lostmsu/hashlife 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/lostmsu/hashlife:/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] 776903bc355f4c4ba5d5e19c0b414b3946a83238b7f3f74b443453b3ac550b64
[INFO] running `"docker" "start" "-a" "776903bc355f4c4ba5d5e19c0b414b3946a83238b7f3f74b443453b3ac550b64"`
[INFO] [stderr]    Compiling hashlife v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:77:33
[INFO] [stderr]    |
[INFO] [stderr] 77 |           if self.getLevel() == 2 {
[INFO] [stderr]    |  _________________________________^
[INFO] [stderr] 78 | |             
[INFO] [stderr] 79 | |         } else {
[INFO] [stderr]    | |_________^ expected struct `std::rc::Rc`, found ()
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::rc::Rc<QuadTreeNode<bool, LifeInnerData>>`
[INFO] [stderr]               found type `()`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:79:16
[INFO] [stderr]    |
[INFO] [stderr] 79 |           } else {
[INFO] [stderr]    |  ________________^
[INFO] [stderr] 80 | |
[INFO] [stderr] 81 | |         }
[INFO] [stderr]    | |_________^ expected struct `std::rc::Rc`, found ()
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::rc::Rc<QuadTreeNode<bool, LifeInnerData>>`
[INFO] [stderr]               found type `()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `hashlife`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "776903bc355f4c4ba5d5e19c0b414b3946a83238b7f3f74b443453b3ac550b64"`
[INFO] running `"docker" "rm" "-f" "776903bc355f4c4ba5d5e19c0b414b3946a83238b7f3f74b443453b3ac550b64"`
[INFO] [stdout] 776903bc355f4c4ba5d5e19c0b414b3946a83238b7f3f74b443453b3ac550b64