[INFO] cloning repository https://github.com/bjcohen/aoc-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bjcohen/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbjcohen%2Faoc-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbjcohen%2Faoc-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4bcaa75e3e65ef54c3bc0a2e357eb529f9787ddf [INFO] documenting bjcohen/aoc-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%2Fbjcohen%2Faoc-2020" "/workspace/builds/worker-24/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bjcohen/aoc-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/bjcohen/aoc-2020 [INFO] finished tweaking git repo https://github.com/bjcohen/aoc-2020 [INFO] tweaked toml for git repo https://github.com/bjcohen/aoc-2020 written to /workspace/builds/worker-24/source/Cargo.toml [INFO] crate git repo https://github.com/bjcohen/aoc-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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] d6ecb2822e23abaeb34f8cd52a17a51ddcee917b65aa2b934425d2d1d1bcb40e [INFO] running `Command { std: "docker" "start" "-a" "d6ecb2822e23abaeb34f8cd52a17a51ddcee917b65aa2b934425d2d1d1bcb40e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6ecb2822e23abaeb34f8cd52a17a51ddcee917b65aa2b934425d2d1d1bcb40e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6ecb2822e23abaeb34f8cd52a17a51ddcee917b65aa2b934425d2d1d1bcb40e", kill_on_drop: false }` [INFO] [stdout] d6ecb2822e23abaeb34f8cd52a17a51ddcee917b65aa2b934425d2d1d1bcb40e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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] 96e0281752419fd3b43cbc7a9fb707dc09c8ac7b57f25b88da71abd1c7bee046 [INFO] running `Command { std: "docker" "start" "-a" "96e0281752419fd3b43cbc7a9fb707dc09c8ac7b57f25b88da71abd1c7bee046", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.53 [INFO] [stderr] Compiling anyhow v1.0.35 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling aoc v0.1.0 (/opt/rustwide/workdir/aoc) [INFO] [stderr] Checking aoc_2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Documenting aoc_2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/day12.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(destructuring_assignment)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/day13.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(destructuring_assignment)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute [INFO] [stdout] | [INFO] [stdout] = help: the feature `destructuring_assignment` has been stable since 1.59.0 and no longer requires an attribute to enable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/day6.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(iterator_fold_self)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] error: Compilation failed, aborting rustdoc [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day13 src/day13.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=413025f204a3a073 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day12 src/day12.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=364e9911ace6743b -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1) [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day7 src/day7.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c42ae6663948f45b -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day8 src/day8.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c78158fdb824ad94 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day23 src/day23.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8e506e3250f8c45c -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day17 src/day17.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e88f17ee372a4e2c -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day20 src/day20.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=850c54cf9f03ae0f -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day24 src/day24.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1eee100a2513be7f -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day18 src/day18.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=81cc605eb8327432 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day22 src/day22.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=69e3157dcd13e73b -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day4 src/day4.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9e603eb65b58c1fc -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day6 src/day6.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f4287a7904b67a76 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1) [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day14 src/day14.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5810b79f1725b554 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day2 src/day2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b989acc9c357183e -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `aoc_2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day16 src/day16.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=866e12315ab7edaa -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoc=/opt/rustwide/target/debug/deps/libaoc-99028bec28db6422.so --extern aoc_2020=/opt/rustwide/target/debug/deps/libaoc_2020-5a9ddf7d2b08f26a.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-31732f101c7334d9.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-7f7c07494e82902c.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] running `Command { std: "docker" "inspect" "96e0281752419fd3b43cbc7a9fb707dc09c8ac7b57f25b88da71abd1c7bee046", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96e0281752419fd3b43cbc7a9fb707dc09c8ac7b57f25b88da71abd1c7bee046", kill_on_drop: false }` [INFO] [stdout] 96e0281752419fd3b43cbc7a9fb707dc09c8ac7b57f25b88da71abd1c7bee046