[INFO] updating cached repository https://github.com/hendrikcech/hashcode-2018-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b980b3bf0f26df3bbcede8bbe1baa55fa22e944e
[INFO] testing hendrikcech/hashcode-2018-rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhendrikcech%2Fhashcode-2018-rust" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hendrikcech/hashcode-2018-rust on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hendrikcech/hashcode-2018-rust
[INFO] finished tweaking git repo https://github.com/hendrikcech/hashcode-2018-rust
[INFO] tweaked toml for git repo https://github.com/hendrikcech/hashcode-2018-rust written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hendrikcech/hashcode-2018-rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] b6671a7cc7b6c49498bd511f7d7e6623997aead49390b0fcf9b0f9565eaacb7c
[INFO] running `"docker" "start" "-a" "b6671a7cc7b6c49498bd511f7d7e6623997aead49390b0fcf9b0f9565eaacb7c"`
[INFO] [stderr]    Compiling hashcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `"docker" "inspect" "b6671a7cc7b6c49498bd511f7d7e6623997aead49390b0fcf9b0f9565eaacb7c"`
[INFO] running `"docker" "rm" "-f" "b6671a7cc7b6c49498bd511f7d7e6623997aead49390b0fcf9b0f9565eaacb7c"`
[INFO] [stdout] b6671a7cc7b6c49498bd511f7d7e6623997aead49390b0fcf9b0f9565eaacb7c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 55a7e7db3d184cda9065f4857c9930ce9bbd7308e1494e37ac79fea2ceadcac8
[INFO] running `"docker" "start" "-a" "55a7e7db3d184cda9065f4857c9930ce9bbd7308e1494e37ac79fea2ceadcac8"`
[INFO] [stderr]    Compiling hashcode2018 v0.1.0 (/opt/rustwide/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" "55a7e7db3d184cda9065f4857c9930ce9bbd7308e1494e37ac79fea2ceadcac8"`
[INFO] running `"docker" "rm" "-f" "55a7e7db3d184cda9065f4857c9930ce9bbd7308e1494e37ac79fea2ceadcac8"`
[INFO] [stdout] 55a7e7db3d184cda9065f4857c9930ce9bbd7308e1494e37ac79fea2ceadcac8