[INFO] cloning repository https://github.com/rernst76/AdventOfCode2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rernst76/AdventOfCode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frernst76%2FAdventOfCode2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frernst76%2FAdventOfCode2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 737ff196540abe07a99f1125551d5360702542d4
[INFO] documenting rernst76/AdventOfCode2018 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frernst76%2FAdventOfCode2018" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rernst76/AdventOfCode2018 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rernst76/AdventOfCode2018
[INFO] finished tweaking git repo https://github.com/rernst76/AdventOfCode2018
[INFO] tweaked toml for git repo https://github.com/rernst76/AdventOfCode2018 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/rernst76/AdventOfCode2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac5a57b9332240042a140186917c08e92b1a0fe13961613a98a1c366fb3f49ae
[INFO] running `Command { std: "docker" "start" "-a" "ac5a57b9332240042a140186917c08e92b1a0fe13961613a98a1c366fb3f49ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac5a57b9332240042a140186917c08e92b1a0fe13961613a98a1c366fb3f49ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac5a57b9332240042a140186917c08e92b1a0fe13961613a98a1c366fb3f49ae", kill_on_drop: false }`
[INFO] [stdout] ac5a57b9332240042a140186917c08e92b1a0fe13961613a98a1c366fb3f49ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88faf088c1e05aaca1a338e3db4bc55e4cbc20cf738d8c9c1032e7637e557a89
[INFO] running `Command { std: "docker" "start" "-a" "88faf088c1e05aaca1a338e3db4bc55e4cbc20cf738d8c9c1032e7637e557a89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]  Documenting AdventOfCode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking AdventOfCode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/slns/d6.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{HashSet, HashMap, VecDeque};
[INFO] [stdout]   |                        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/slns/d6.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |             if (area > largest_area_node.1) {
[INFO] [stdout]    |                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -             if (area > largest_area_node.1) {
[INFO] [stdout] 22 +             if area > largest_area_node.1 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/slns/d6.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |             if (area > largest_area_node.1) {
[INFO] [stdout]    |                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -             if (area > largest_area_node.1) {
[INFO] [stdout] 22 +             if area > largest_area_node.1 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/slns/d6.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     None,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MapArea` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/slns/d6.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> src/slns/d6.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     address: (i32,i32),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/slns/d6.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Clone, Copy, Debug)]
[INFO] [stdout]    |          ^^^^^        ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address_closest`
[INFO] [stdout]   --> src/slns/d6.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     address_closest: ClosestNode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/slns/d6.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[derive(Clone, Copy, Debug)]
[INFO] [stdout]    |          ^^^^^        ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]    --> src/slns/d6.rs:158:5
[INFO] [stdout]     |
[INFO] [stdout] 158 |     None,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ClosestNode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/slns/d6.rs:154:21
[INFO] [stdout]     |
[INFO] [stdout] 154 | #[derive(PartialEq, Clone, Copy, Debug)]
[INFO] [stdout]     |                     ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/slns/d6.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |             if (area > largest_area_node.1) {
[INFO] [stdout]    |                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -             if (area > largest_area_node.1) {
[INFO] [stdout] 22 +             if area > largest_area_node.1 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `Command { std: "docker" "inspect" "88faf088c1e05aaca1a338e3db4bc55e4cbc20cf738d8c9c1032e7637e557a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88faf088c1e05aaca1a338e3db4bc55e4cbc20cf738d8c9c1032e7637e557a89", kill_on_drop: false }`
[INFO] [stdout] 88faf088c1e05aaca1a338e3db4bc55e4cbc20cf738d8c9c1032e7637e557a89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 27e377a628d1d7ad08d5f628826dd4ca73b817c0e071c2b667b8a7d5e7e55680
[INFO] running `Command { std: "docker" "start" "-a" "27e377a628d1d7ad08d5f628826dd4ca73b817c0e071c2b667b8a7d5e7e55680", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]  Documenting AdventOfCode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/slns/d6.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |             if (area > largest_area_node.1) {
[INFO] [stdout]    |                ^                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 22 -             if (area > largest_area_node.1) {
[INFO] [stdout] 22 +             if area > largest_area_node.1 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.67s
[INFO] running `Command { std: "docker" "inspect" "27e377a628d1d7ad08d5f628826dd4ca73b817c0e071c2b667b8a7d5e7e55680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e377a628d1d7ad08d5f628826dd4ca73b817c0e071c2b667b8a7d5e7e55680", kill_on_drop: false }`
[INFO] [stdout] 27e377a628d1d7ad08d5f628826dd4ca73b817c0e071c2b667b8a7d5e7e55680