[INFO] cloning repository https://github.com/RussellSnyder/AOC-rust-day21
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RussellSnyder/AOC-rust-day21" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussellSnyder%2FAOC-rust-day21", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussellSnyder%2FAOC-rust-day21'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fe7489b726482f0ed57df55870f4028879647ed
[INFO] documenting RussellSnyder/AOC-rust-day21 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRussellSnyder%2FAOC-rust-day21" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RussellSnyder/AOC-rust-day21 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RussellSnyder/AOC-rust-day21
[INFO] finished tweaking git repo https://github.com/RussellSnyder/AOC-rust-day21
[INFO] tweaked toml for git repo https://github.com/RussellSnyder/AOC-rust-day21 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/RussellSnyder/AOC-rust-day21 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded partial_application v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bbd2f0c949c5e35d2281591f41d8c554f7ecf9a081cf55bec1544d2de37e5bd
[INFO] running `Command { std: "docker" "start" "-a" "9bbd2f0c949c5e35d2281591f41d8c554f7ecf9a081cf55bec1544d2de37e5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bbd2f0c949c5e35d2281591f41d8c554f7ecf9a081cf55bec1544d2de37e5bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bbd2f0c949c5e35d2281591f41d8c554f7ecf9a081cf55bec1544d2de37e5bd", kill_on_drop: false }`
[INFO] [stdout] 9bbd2f0c949c5e35d2281591f41d8c554f7ecf9a081cf55bec1544d2de37e5bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 957424e0c2264caaaf8f21c3256d381c920f4e2e2c9eaca63bd599fa94d1703c
[INFO] running `Command { std: "docker" "start" "-a" "957424e0c2264caaaf8f21c3256d381c920f4e2e2c9eaca63bd599fa94d1703c", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking partial_application v0.2.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]  Documenting advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day21.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |         if (intersected_list.len() == 1) {
[INFO] [stdout]    |            ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -         if (intersected_list.len() == 1) {
[INFO] [stdout] 60 +         if intersected_list.len() == 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 22.38s
[INFO] running `Command { std: "docker" "inspect" "957424e0c2264caaaf8f21c3256d381c920f4e2e2c9eaca63bd599fa94d1703c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957424e0c2264caaaf8f21c3256d381c920f4e2e2c9eaca63bd599fa94d1703c", kill_on_drop: false }`
[INFO] [stdout] 957424e0c2264caaaf8f21c3256d381c920f4e2e2c9eaca63bd599fa94d1703c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 790b84041658297d1c390e01d70b64768673e448a21675cadcf1d1de3d7f7cd7
[INFO] running `Command { std: "docker" "start" "-a" "790b84041658297d1c390e01d70b64768673e448a21675cadcf1d1de3d7f7cd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking partial_application v0.2.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]  Documenting advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/day21.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |         if (intersected_list.len() == 1) {
[INFO] [stdout]    |            ^                           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -         if (intersected_list.len() == 1) {
[INFO] [stdout] 60 +         if intersected_list.len() == 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 5.19s
[INFO] running `Command { std: "docker" "inspect" "790b84041658297d1c390e01d70b64768673e448a21675cadcf1d1de3d7f7cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790b84041658297d1c390e01d70b64768673e448a21675cadcf1d1de3d7f7cd7", kill_on_drop: false }`
[INFO] [stdout] 790b84041658297d1c390e01d70b64768673e448a21675cadcf1d1de3d7f7cd7