[INFO] cloning repository https://github.com/Nick-Pearson/advent-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nick-Pearson/advent-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNick-Pearson%2Fadvent-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNick-Pearson%2Fadvent-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fffe3838c97d955c1943e26e66639fe5b8731ddb
[INFO] documenting Nick-Pearson/advent-2021 against 1.64.0 for beta-1.65-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNick-Pearson%2Fadvent-2021" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nick-Pearson/advent-2021 on toolchain 1.64.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nick-Pearson/advent-2021
[INFO] finished tweaking git repo https://github.com/Nick-Pearson/advent-2021
[INFO] tweaked toml for git repo https://github.com/Nick-Pearson/advent-2021 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Nick-Pearson/advent-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d663012b030157de5f173ef94d9e23ee85dac931fe933c50ff7792f2945b3e4
[INFO] running `Command { std: "docker" "start" "-a" "7d663012b030157de5f173ef94d9e23ee85dac931fe933c50ff7792f2945b3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d663012b030157de5f173ef94d9e23ee85dac931fe933c50ff7792f2945b3e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d663012b030157de5f173ef94d9e23ee85dac931fe933c50ff7792f2945b3e4", kill_on_drop: false }`
[INFO] [stdout] 7d663012b030157de5f173ef94d9e23ee85dac931fe933c50ff7792f2945b3e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a6b58f19019e4ec277fd991a43257c7ebb3f9bdd4ffdb339deda154759d50b8
[INFO] running `Command { std: "docker" "start" "-a" "3a6b58f19019e4ec277fd991a43257c7ebb3f9bdd4ffdb339deda154759d50b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]  Documenting advent-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent-2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 15 src/15/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=6cc03b5e72f18240 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-0a44913147a8421b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e3d47af013355851.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ad1b1c7ea03a1f43.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-592c8cb204429102.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-d9a59e62b5c9ed0b.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-3532ba40a154a895.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-2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 5 src/5/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=9e483ca19b762fdb -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-0a44913147a8421b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e3d47af013355851.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ad1b1c7ea03a1f43.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-592c8cb204429102.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-d9a59e62b5c9ed0b.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-3532ba40a154a895.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent-2021`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 4 src/4/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=f4935f39a6daee82 -L dependency=/opt/rustwide/target/debug/deps --extern joinery=/opt/rustwide/target/debug/deps/libjoinery-0a44913147a8421b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-e3d47af013355851.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-ad1b1c7ea03a1f43.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-592c8cb204429102.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-d9a59e62b5c9ed0b.rmeta --extern threadpool=/opt/rustwide/target/debug/deps/libthreadpool-3532ba40a154a895.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3a6b58f19019e4ec277fd991a43257c7ebb3f9bdd4ffdb339deda154759d50b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a6b58f19019e4ec277fd991a43257c7ebb3f9bdd4ffdb339deda154759d50b8", kill_on_drop: false }`
[INFO] [stdout] 3a6b58f19019e4ec277fd991a43257c7ebb3f9bdd4ffdb339deda154759d50b8