[INFO] updating cached repository hendrikcech/hashcode-2018-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hendrikcech/hashcode-2018-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hendrikcech/hashcode-2018-rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hendrikcech/hashcode-2018-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hendrikcech/hashcode-2018-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hendrikcech/hashcode-2018-rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hendrikcech/hashcode-2018-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hendrikcech/hashcode-2018-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b980b3bf0f26df3bbcede8bbe1baa55fa22e944e
[INFO] sha for GitHub repo hendrikcech/hashcode-2018-rust: b980b3bf0f26df3bbcede8bbe1baa55fa22e944e
[INFO] validating manifest of hendrikcech/hashcode-2018-rust on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hendrikcech/hashcode-2018-rust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hendrikcech/hashcode-2018-rust
[INFO] finished frobbing hendrikcech/hashcode-2018-rust
[INFO] frobbed toml for hendrikcech/hashcode-2018-rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hendrikcech/hashcode-2018-rust/Cargo.toml
[INFO] started frobbing hendrikcech/hashcode-2018-rust
[INFO] finished frobbing hendrikcech/hashcode-2018-rust
[INFO] frobbed toml for hendrikcech/hashcode-2018-rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/hendrikcech/hashcode-2018-rust/Cargo.toml
[INFO] crate hendrikcech/hashcode-2018-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hendrikcech/hashcode-2018-rust against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/hendrikcech/hashcode-2018-rust:/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=forbid" "-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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d8189b6efdbe5bb52a3e90bee34e37dff78a2c86ad3a7855dc2f8d77aa521c99
[INFO] running `"docker" "start" "-a" "d8189b6efdbe5bb52a3e90bee34e37dff78a2c86ad3a7855dc2f8d77aa521c99"`
[INFO] [stderr]     Checking hashcode2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:159:48
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let (score, errors) = simulation.score(assignment);
[INFO] [stderr]     |                                                ^^^^^^^^^^
[INFO] [stderr]     |                                                |
[INFO] [stderr]     |                                                expected reference, found struct `std::vec::Vec`
[INFO] [stderr]     |                                                help: consider borrowing here: `&assignment`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `&[std::vec::Vec<usize>]`
[INFO] [stderr]                found type `std::vec::Vec<std::vec::Vec<usize>>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `hashcode2018`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d8189b6efdbe5bb52a3e90bee34e37dff78a2c86ad3a7855dc2f8d77aa521c99"`
[INFO] running `"docker" "rm" "-f" "d8189b6efdbe5bb52a3e90bee34e37dff78a2c86ad3a7855dc2f8d77aa521c99"`
[INFO] [stdout] d8189b6efdbe5bb52a3e90bee34e37dff78a2c86ad3a7855dc2f8d77aa521c99