[INFO] cloning repository https://github.com/cthulahoops/aoc2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cthulahoops/aoc2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcthulahoops%2Faoc2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcthulahoops%2Faoc2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b8c106e464d2962b51c85ed28b901688facef350 [INFO] documenting cthulahoops/aoc2020 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%2Fcthulahoops%2Faoc2020" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cthulahoops/aoc2020 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/cthulahoops/aoc2020 [INFO] finished tweaking git repo https://github.com/cthulahoops/aoc2020 [INFO] tweaked toml for git repo https://github.com/cthulahoops/aoc2020 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/cthulahoops/aoc2020 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.35 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b210d9b3e3d07fd108f3e89549f48d01f8c77bf82fa39c221e84065418204d89 [INFO] running `Command { std: "docker" "start" "-a" "b210d9b3e3d07fd108f3e89549f48d01f8c77bf82fa39c221e84065418204d89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b210d9b3e3d07fd108f3e89549f48d01f8c77bf82fa39c221e84065418204d89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b210d9b3e3d07fd108f3e89549f48d01f8c77bf82fa39c221e84065418204d89", kill_on_drop: false }` [INFO] [stdout] b210d9b3e3d07fd108f3e89549f48d01f8c77bf82fa39c221e84065418204d89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0f6710228a1efb814d562d383f69646fae5549cd56bbf0cae1b7f8fa3316e134 [INFO] running `Command { std: "docker" "start" "-a" "0f6710228a1efb814d562d383f69646fae5549cd56bbf0cae1b7f8fa3316e134", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling anyhow v1.0.35 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling derive_more v0.13.0 [INFO] [stderr] Documenting aoc2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking aoc2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/day4.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(str_split_once)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/day14.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(map_into_keys_values)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/day16.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(iterator_fold_self)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/day22.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(deque_range)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/day10.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(unboxed_closures, fn_traits)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `aoc2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day19 src/day19.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f1ae2d87fbc2d914 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not document `aoc2020` [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=c1a857dbf67def5a -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [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=e6beffaf3fbe026f -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [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=90717b00bc18bda8 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [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=5c6ec657297c2e06 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [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=266f1fcf0c85df6a -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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: 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 `aoc2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day10 src/day10.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1f6d607a96bf0f48 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day11 src/day11.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5eb2bede03da2d46 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day21 src/day21.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fb6119576cfc68c5 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [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=5c857ec71a3f5d32 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [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=7cc321c8cff4ebe4 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day3 src/day3.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=665bbf5d0254033a -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [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=5a2d080bb94bf6a5 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [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=a428768a556a90e7 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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 `aoc2020` [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=cf12e3e437aa60b7 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-7956050adb37b80a.rmeta --extern aoclib=/opt/rustwide/target/debug/deps/libaoclib-417235351abe9d9c.rmeta --extern derive_more=/opt/rustwide/target/debug/deps/libderive_more-d20cd64210b062cc.so --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.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" "0f6710228a1efb814d562d383f69646fae5549cd56bbf0cae1b7f8fa3316e134", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f6710228a1efb814d562d383f69646fae5549cd56bbf0cae1b7f8fa3316e134", kill_on_drop: false }` [INFO] [stdout] 0f6710228a1efb814d562d383f69646fae5549cd56bbf0cae1b7f8fa3316e134