[INFO] cloning repository https://github.com/sebosborn/advent_of_code_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebosborn/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebosborn%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebosborn%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4882086993d88b5352c2218078d6ed9a7812e9fc
[INFO] documenting sebosborn/advent_of_code_2020 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%2Fsebosborn%2Fadvent_of_code_2020" "/workspace/builds/worker-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sebosborn/advent_of_code_2020 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/sebosborn/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/sebosborn/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/sebosborn/advent_of_code_2020 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate git repo https://github.com/sebosborn/advent_of_code_2020 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] 029a74759d875e5fa10d40f809635e13c5a61fd1e8c4ac082a1f27707b6eb4a4
[INFO] running `Command { std: "docker" "start" "-a" "029a74759d875e5fa10d40f809635e13c5a61fd1e8c4ac082a1f27707b6eb4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "029a74759d875e5fa10d40f809635e13c5a61fd1e8c4ac082a1f27707b6eb4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "029a74759d875e5fa10d40f809635e13c5a61fd1e8c4ac082a1f27707b6eb4a4", kill_on_drop: false }`
[INFO] [stdout] 029a74759d875e5fa10d40f809635e13c5a61fd1e8c4ac082a1f27707b6eb4a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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] e59e7a0043f1ed5be6ff7a0a9e755b547929d3ef9860782b4bea3826f751dc96
[INFO] running `Command { std: "docker" "start" "-a" "e59e7a0043f1ed5be6ff7a0a9e755b547929d3ef9860782b4bea3826f751dc96", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting advent_of_code_2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/encoding_error.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |             x -= (contig.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] 65 -             x -= (contig.len() - 1);
[INFO] [stdout] 65 +             x -= contig.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 1.54s
[INFO] running `Command { std: "docker" "inspect" "e59e7a0043f1ed5be6ff7a0a9e755b547929d3ef9860782b4bea3826f751dc96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e59e7a0043f1ed5be6ff7a0a9e755b547929d3ef9860782b4bea3826f751dc96", kill_on_drop: false }`
[INFO] [stdout] e59e7a0043f1ed5be6ff7a0a9e755b547929d3ef9860782b4bea3826f751dc96