[INFO] cloning repository https://github.com/mathieulj/AdventOfCode-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathieulj/AdventOfCode-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieulj%2FAdventOfCode-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieulj%2FAdventOfCode-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f599b023c44aa542db97e193a0adb802bfb6280
[INFO] documenting mathieulj/AdventOfCode-2020 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%2Fmathieulj%2FAdventOfCode-2020" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mathieulj/AdventOfCode-2020 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/mathieulj/AdventOfCode-2020
[INFO] finished tweaking git repo https://github.com/mathieulj/AdventOfCode-2020
[INFO] tweaked toml for git repo https://github.com/mathieulj/AdventOfCode-2020 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/mathieulj/AdventOfCode-2020 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d404d81e4e3065ce053a5f73b93b093c6baa90f7c07dc56b7cc76e404432a26f
[INFO] running `Command { std: "docker" "start" "-a" "d404d81e4e3065ce053a5f73b93b093c6baa90f7c07dc56b7cc76e404432a26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d404d81e4e3065ce053a5f73b93b093c6baa90f7c07dc56b7cc76e404432a26f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d404d81e4e3065ce053a5f73b93b093c6baa90f7c07dc56b7cc76e404432a26f", kill_on_drop: false }`
[INFO] [stdout] d404d81e4e3065ce053a5f73b93b093c6baa90f7c07dc56b7cc76e404432a26f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5d48736e7379089b894df85015f13993b95cee3383a9d7b926a59dca649976aa
[INFO] running `Command { std: "docker" "start" "-a" "5d48736e7379089b894df85015f13993b95cee3383a9d7b926a59dca649976aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]  Documenting day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]  Documenting utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]  Documenting day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]  Documenting day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]  Documenting day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]  Documenting day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]  Documenting day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]  Documenting day19 v0.1.0 (/opt/rustwide/workdir/day19)
[INFO] [stderr]  Documenting day18 v0.1.0 (/opt/rustwide/workdir/day18)
[INFO] [stderr]  Documenting day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]  Documenting day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]  Documenting day9 v0.1.0 (/opt/rustwide/workdir/day9)
[INFO] [stderr]  Documenting day8 v0.1.0 (/opt/rustwide/workdir/day8)
[INFO] [stderr]  Documenting day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stderr]  Documenting day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]  Documenting day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]  Documenting day7 v0.1.0 (/opt/rustwide/workdir/day7)
[INFO] [stderr]  Documenting day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]  Documenting day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]  Documenting day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr] error: could not document `day19`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name day19 day19/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=73c417d3dec14c7a -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-ef87277a2824c923.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-83375cc3d94b990e.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.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 `day16`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name day16 day16/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c7efd50452b681b8 -L dependency=/opt/rustwide/target/debug/deps --extern displaydoc=/opt/rustwide/target/debug/deps/libdisplaydoc-e6f28e943eafd9c0.so --extern itertools=/opt/rustwide/target/debug/deps/libitertools-878b88b4202074c2.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-56add537c7d905c8.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-718aaeb7314c8f10.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "5d48736e7379089b894df85015f13993b95cee3383a9d7b926a59dca649976aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d48736e7379089b894df85015f13993b95cee3383a9d7b926a59dca649976aa", kill_on_drop: false }`
[INFO] [stdout] 5d48736e7379089b894df85015f13993b95cee3383a9d7b926a59dca649976aa