[INFO] cloning repository https://github.com/hendrikcech/hashcode-2018-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hendrikcech/hashcode-2018-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhendrikcech%2Fhashcode-2018-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhendrikcech%2Fhashcode-2018-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b980b3bf0f26df3bbcede8bbe1baa55fa22e944e
[INFO] testing hendrikcech/hashcode-2018-rust against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhendrikcech%2Fhashcode-2018-rust" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hendrikcech/hashcode-2018-rust on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-93/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5f55506633a8ee11c4dc9c74edeacbbf27adc214ca0d45f9efc3cfa9e4882f5
[INFO] running `Command { std: "docker" "start" "-a" "f5f55506633a8ee11c4dc9c74edeacbbf27adc214ca0d45f9efc3cfa9e4882f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5f55506633a8ee11c4dc9c74edeacbbf27adc214ca0d45f9efc3cfa9e4882f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f55506633a8ee11c4dc9c74edeacbbf27adc214ca0d45f9efc3cfa9e4882f5", kill_on_drop: false }`
[INFO] [stdout] f5f55506633a8ee11c4dc9c74edeacbbf27adc214ca0d45f9efc3cfa9e4882f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09d494fc6e7cd8bd37513f2a44a67c3d26270b086a3fbcec3d1bca3ca7e9c972
[INFO] running `Command { std: "docker" "start" "-a" "09d494fc6e7cd8bd37513f2a44a67c3d26270b086a3fbcec3d1bca3ca7e9c972", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hashcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "09d494fc6e7cd8bd37513f2a44a67c3d26270b086a3fbcec3d1bca3ca7e9c972", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d494fc6e7cd8bd37513f2a44a67c3d26270b086a3fbcec3d1bca3ca7e9c972", kill_on_drop: false }`
[INFO] [stdout] 09d494fc6e7cd8bd37513f2a44a67c3d26270b086a3fbcec3d1bca3ca7e9c972
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eecca5b2771cb27bd0e0873627f87c21b7b125caa376a383724be426b37f4bbc
[INFO] running `Command { std: "docker" "start" "-a" "eecca5b2771cb27bd0e0873627f87c21b7b125caa376a383724be426b37f4bbc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hashcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:159:48
[INFO] [stdout]     |
[INFO] [stdout] 159 |         let (score, errors) = simulation.score(assignment);
[INFO] [stdout]     |                                                ^^^^^^^^^^
[INFO] [stdout]     |                                                |
[INFO] [stdout]     |                                                expected `&[Vec<usize>]`, found struct `Vec`
[INFO] [stdout]     |                                                help: consider borrowing here: `&assignment`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&[Vec<usize>]`
[INFO] [stdout]                   found struct `Vec<Vec<usize>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashcode2018` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "eecca5b2771cb27bd0e0873627f87c21b7b125caa376a383724be426b37f4bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eecca5b2771cb27bd0e0873627f87c21b7b125caa376a383724be426b37f4bbc", kill_on_drop: false }`
[INFO] [stdout] eecca5b2771cb27bd0e0873627f87c21b7b125caa376a383724be426b37f4bbc