[INFO] updating cached repository https://github.com/hendrikcech/hashcode-2018-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhendrikcech%2Fhashcode-2018-rust" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hendrikcech/hashcode-2018-rust on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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 /workspace/builds/worker-9/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 `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81d1f49cdea8ffe5dd8adda8a989ded9d88081cab64aae3c5372adf7e325964c
[INFO] running `"docker" "start" "-a" "81d1f49cdea8ffe5dd8adda8a989ded9d88081cab64aae3c5372adf7e325964c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling hashcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `"docker" "inspect" "81d1f49cdea8ffe5dd8adda8a989ded9d88081cab64aae3c5372adf7e325964c"`
[INFO] running `"docker" "rm" "-f" "81d1f49cdea8ffe5dd8adda8a989ded9d88081cab64aae3c5372adf7e325964c"`
[INFO] [stdout] 81d1f49cdea8ffe5dd8adda8a989ded9d88081cab64aae3c5372adf7e325964c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49366f559f2a6a89925e8c08bd9da8984525fd918cef4600e48571bf8707a510
[INFO] running `"docker" "start" "-a" "49366f559f2a6a89925e8c08bd9da8984525fd918cef4600e48571bf8707a510"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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 reference `&[std::vec::Vec<usize>]`
[INFO] [stderr]                   found struct `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" "49366f559f2a6a89925e8c08bd9da8984525fd918cef4600e48571bf8707a510"`
[INFO] running `"docker" "rm" "-f" "49366f559f2a6a89925e8c08bd9da8984525fd918cef4600e48571bf8707a510"`
[INFO] [stdout] 49366f559f2a6a89925e8c08bd9da8984525fd918cef4600e48571bf8707a510