[INFO] cloning repository https://github.com/nikofil/advent-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikofil/advent-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikofil%2Fadvent-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikofil%2Fadvent-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36c27b977de71eb487f3d922df37b0da7868e123
[INFO] documenting nikofil/advent-rust 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%2Fnikofil%2Fadvent-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikofil/advent-rust 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/nikofil/advent-rust
[INFO] finished tweaking git repo https://github.com/nikofil/advent-rust
[INFO] tweaked toml for git repo https://github.com/nikofil/advent-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/nikofil/advent-rust 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 46a155953e7069d5a89298b716da7c03c743383cea18b5b83553807ecae43109
[INFO] running `Command { std: "docker" "start" "-a" "46a155953e7069d5a89298b716da7c03c743383cea18b5b83553807ecae43109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46a155953e7069d5a89298b716da7c03c743383cea18b5b83553807ecae43109", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a155953e7069d5a89298b716da7c03c743383cea18b5b83553807ecae43109", kill_on_drop: false }`
[INFO] [stdout] 46a155953e7069d5a89298b716da7c03c743383cea18b5b83553807ecae43109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 81a55e45cad2e781d8c463bcfd6b423be5082fcf938747a04aee5055846c130d
[INFO] running `Command { std: "docker" "start" "-a" "81a55e45cad2e781d8c463bcfd6b423be5082fcf938747a04aee5055846c130d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking advent-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting advent-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day13_2 src/bin/day13_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=536863ad9be7441e -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --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 `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day2_2 src/bin/day2_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3b243372dea20adc -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day13_1 src/bin/day13_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2e22f1358cdd197d -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day7_2 src/bin/day7_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=65594b2f25a0dbc0 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day5_2 src/bin/day5_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=45acbf31eeed8b3b -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day5_1 src/bin/day5_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=14ce1187fa8aaaba -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day9_1 src/bin/day9_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5d20edda95fad08a -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day15_2 src/bin/day15_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=dff32976cdf2697d -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day8_1 src/bin/day8_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e6f495db0ed3ee5a -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day10_2 src/bin/day10_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e594b2197fb1589d -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day7_1 src/bin/day7_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0fb5e33c8c603ea9 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day8_2 src/bin/day8_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=766cc8d84126abb6 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day2_1 src/bin/day2_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3433d4d16ac9b06c -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day14_2 src/bin/day14_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9aedc412a1627dc9 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day11_2 src/bin/day11_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=51fbb4204dad6b16 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day4_1 src/bin/day4_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=01366d88e995605e -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day4_2 src/bin/day4_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0ebabf32d712ccbe -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day15_1 src/bin/day15_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=93cf1b7d97da33db -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day12_2 src/bin/day12_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d77c5c0989d10f78 -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-rust`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name day12_1 src/bin/day12_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a9f3a265125d21ae -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-172d1161d0253483.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5bd3409a4be73caa.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "81a55e45cad2e781d8c463bcfd6b423be5082fcf938747a04aee5055846c130d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a55e45cad2e781d8c463bcfd6b423be5082fcf938747a04aee5055846c130d", kill_on_drop: false }`
[INFO] [stdout] 81a55e45cad2e781d8c463bcfd6b423be5082fcf938747a04aee5055846c130d