[INFO] cloning repository https://github.com/jdashg/aoc2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jdashg/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdashg%2Faoc2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdashg%2Faoc2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 012bbca398f82077cf76ef5020a6e171dfb9809a
[INFO] documenting jdashg/aoc2021 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%2Fjdashg%2Faoc2021" "/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/jdashg/aoc2021 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/jdashg/aoc2021
[INFO] finished tweaking git repo https://github.com/jdashg/aoc2021
[INFO] tweaked toml for git repo https://github.com/jdashg/aoc2021 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jdashg/aoc2021 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] 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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66708a858d496ce3150fbee3ce4ee936ce73df0f7cce68925ab3d41612669554
[INFO] running `Command { std: "docker" "start" "-a" "66708a858d496ce3150fbee3ce4ee936ce73df0f7cce68925ab3d41612669554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66708a858d496ce3150fbee3ce4ee936ce73df0f7cce68925ab3d41612669554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66708a858d496ce3150fbee3ce4ee936ce73df0f7cce68925ab3d41612669554", kill_on_drop: false }`
[INFO] [stdout] 66708a858d496ce3150fbee3ce4ee936ce73df0f7cce68925ab3d41612669554
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4fe643bf5d39c51a1a6948b83f293575b7cb219a1b138bb750b95f508c6bdf36
[INFO] running `Command { std: "docker" "start" "-a" "4fe643bf5d39c51a1a6948b83f293575b7cb219a1b138bb750b95f508c6bdf36", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]  Documenting day15-1 v0.1.0 (/opt/rustwide/workdir/day15-1)
[INFO] [stderr]  Documenting day20-2 v0.1.0 (/opt/rustwide/workdir/day20-2)
[INFO] [stderr]  Documenting day24-1 v0.1.0 (/opt/rustwide/workdir/day24-1)
[INFO] [stderr]  Documenting day21-2 v0.1.0 (/opt/rustwide/workdir/day21-2)
[INFO] [stderr]  Documenting day19-2 v0.1.0 (/opt/rustwide/workdir/day19-2)
[INFO] [stderr]  Documenting day18-2 v0.1.0 (/opt/rustwide/workdir/day18-2)
[INFO] [stderr]  Documenting day9-2 v0.1.0 (/opt/rustwide/workdir/day9-2)
[INFO] [stderr]  Documenting day4-2 v0.1.0 (/opt/rustwide/workdir/day4-2)
[INFO] [stderr]  Documenting day18-1 v0.1.0 (/opt/rustwide/workdir/day18-1)
[INFO] [stderr]  Documenting day25-1 v0.1.0 (/opt/rustwide/workdir/day25-1)
[INFO] [stderr]  Documenting day23-2 v0.1.0 (/opt/rustwide/workdir/day23-2)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> day9-2/src/main.rs:31:16
[INFO] [stdout]    |
[INFO] [stdout] 31 |             if (!(v < a && v < b)) { continue; }
[INFO] [stdout]    |                ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 31 -             if (!(v < a && v < b)) { continue; }
[INFO] [stdout] 31 +             if !(v < a && v < b) { continue; }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> day9-2/src/main.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 |             if (!(v < c && v < d)) { continue; }
[INFO] [stdout]    |                ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -             if (!(v < c && v < d)) { continue; }
[INFO] [stdout] 34 +             if !(v < c && v < d) { continue; }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting day12-1 v0.1.0 (/opt/rustwide/workdir/day12-1)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> day23-2/src/main.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |             cost += (room_is_for as i64);
[INFO] [stdout]     |                     ^                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 115 -             cost += (room_is_for as i64);
[INFO] [stdout] 115 +             cost += room_is_for as i64;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> day23-2/src/main.rs:313:29
[INFO] [stdout]     |
[INFO] [stdout] 313 |       let mut front_to_us = (2..=(from.1-1));
[INFO] [stdout]     |                             ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 313 -       let mut front_to_us = (2..=(from.1-1));
[INFO] [stdout] 313 +       let mut front_to_us = 2..=(from.1-1);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-2/src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -             let bval = (c == '#');
[INFO] [stdout] 51 +             let bval = c == '#';
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-2/src/main.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -             let bval = (c == '#');
[INFO] [stdout] 64 +             let bval = c == '#';
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting day13-2 v0.1.0 (/opt/rustwide/workdir/day13-2)
[INFO] [stderr]  Documenting day14-1 v0.1.0 (/opt/rustwide/workdir/day14-1)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting day9-1 v0.1.0 (/opt/rustwide/workdir/day9-1)
[INFO] [stderr]  Documenting day8-1 v0.1.0 (/opt/rustwide/workdir/day8-1)
[INFO] [stderr]  Documenting day5-2 v0.1.0 (/opt/rustwide/workdir/day5-2)
[INFO] [stderr]  Documenting day19-1 v0.1.0 (/opt/rustwide/workdir/day19-1)
[INFO] [stderr]  Documenting day24-2 v0.1.0 (/opt/rustwide/workdir/day24-2)
[INFO] [stderr]  Documenting day22-2 v0.1.0 (/opt/rustwide/workdir/day22-2)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> day9-1/src/main.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |             if (!(v < a && v < b)) { continue; }
[INFO] [stdout]    |                ^                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 -             if (!(v < a && v < b)) { continue; }
[INFO] [stdout] 20 +             if !(v < a && v < b) { continue; }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> day9-1/src/main.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |             if (!(v < c && v < d)) { continue; }
[INFO] [stdout]    |                ^                 ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 23 -             if (!(v < c && v < d)) { continue; }
[INFO] [stdout] 23 +             if !(v < c && v < d) { continue; }
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting day17-1 v0.1.0 (/opt/rustwide/workdir/day17-1)
[INFO] [stderr]  Documenting day6-1 v0.1.0 (/opt/rustwide/workdir/day6-1)
[INFO] [stderr]  Documenting day21-1 v0.1.0 (/opt/rustwide/workdir/day21-1)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting day10-1 v0.1.0 (/opt/rustwide/workdir/day10-1)
[INFO] [stderr]  Documenting day23-1 v0.1.0 (/opt/rustwide/workdir/day23-1)
[INFO] [stderr]  Documenting day20-1 v0.1.0 (/opt/rustwide/workdir/day20-1)
[INFO] [stderr]  Documenting day10-2 v0.1.0 (/opt/rustwide/workdir/day10-2)
[INFO] [stderr]  Documenting day7-1 v0.1.0 (/opt/rustwide/workdir/day7-1)
[INFO] [stderr]  Documenting day22-1 v0.1.0 (/opt/rustwide/workdir/day22-1)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-1/src/main.rs:51:24
[INFO] [stdout]    |
[INFO] [stdout] 51 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 51 -             let bval = (c == '#');
[INFO] [stdout] 51 +             let bval = c == '#';
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> day20-1/src/main.rs:64:24
[INFO] [stdout]    |
[INFO] [stdout] 64 |             let bval = (c == '#');
[INFO] [stdout]    |                        ^        ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 64 -             let bval = (c == '#');
[INFO] [stdout] 64 +             let bval = c == '#';
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting day14-2 v0.1.0 (/opt/rustwide/workdir/day14-2)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting day8-2 v0.1.0 (/opt/rustwide/workdir/day8-2)
[INFO] [stderr] error: could not document `day8-1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day8_1 day8-1/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=bc910e861a7f1767 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not document `day5-2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day5_2 day5-2/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=3503a3f4c712a6d3 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fe643bf5d39c51a1a6948b83f293575b7cb219a1b138bb750b95f508c6bdf36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe643bf5d39c51a1a6948b83f293575b7cb219a1b138bb750b95f508c6bdf36", kill_on_drop: false }`
[INFO] [stdout] 4fe643bf5d39c51a1a6948b83f293575b7cb219a1b138bb750b95f508c6bdf36