[INFO] cloning repository https://github.com/trevorsm7/advent_of_code_2017
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trevorsm7/advent_of_code_2017" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorsm7%2Fadvent_of_code_2017", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorsm7%2Fadvent_of_code_2017'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9f64b8d92fed4ba47108443b57703762df925c1
[INFO] documenting trevorsm7/advent_of_code_2017 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorsm7%2Fadvent_of_code_2017" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/trevorsm7/advent_of_code_2017 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/trevorsm7/advent_of_code_2017
[INFO] finished tweaking git repo https://github.com/trevorsm7/advent_of_code_2017
[INFO] tweaked toml for git repo https://github.com/trevorsm7/advent_of_code_2017 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/trevorsm7/advent_of_code_2017 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f00aa7fc4a34d976388f535198bfe7cf4920278634b79e3991317286cd81b130
[INFO] running `Command { std: "docker" "start" "-a" "f00aa7fc4a34d976388f535198bfe7cf4920278634b79e3991317286cd81b130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f00aa7fc4a34d976388f535198bfe7cf4920278634b79e3991317286cd81b130", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f00aa7fc4a34d976388f535198bfe7cf4920278634b79e3991317286cd81b130", kill_on_drop: false }`
[INFO] [stdout] f00aa7fc4a34d976388f535198bfe7cf4920278634b79e3991317286cd81b130
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f40ff8648d2be54f4ab648669295916aa0cf7e0e2a3d7ea1baaec240091000fc
[INFO] running `Command { std: "docker" "start" "-a" "f40ff8648d2be54f4ab648669295916aa0cf7e0e2a3d7ea1baaec240091000fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking parking_lot v0.6.3
[INFO] [stderr]     Checking crossbeam-channel v0.2.4
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]  Documenting aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/day20.rs:122:53
[INFO] [stdout]     |
[INFO] [stdout] 122 |     fn get_collision(&self, other: &Self) -> Option<(i32)> {
[INFO] [stdout]     |                                                     ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/day21.rs:258:79
[INFO] [stdout]     |
[INFO] [stdout] 258 | fn match_pattern_3x3<'a>(input: &[u32], patterns: &'a [Pattern3x3]) -> Option<(&'a [u32])> {
[INFO] [stdout]     |                                                                               ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `Command { std: "docker" "inspect" "f40ff8648d2be54f4ab648669295916aa0cf7e0e2a3d7ea1baaec240091000fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40ff8648d2be54f4ab648669295916aa0cf7e0e2a3d7ea1baaec240091000fc", kill_on_drop: false }`
[INFO] [stdout] f40ff8648d2be54f4ab648669295916aa0cf7e0e2a3d7ea1baaec240091000fc