[INFO] cloning repository https://github.com/davidsullins/AdventOfRust2016 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidsullins/AdventOfRust2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidsullins%2FAdventOfRust2016", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidsullins%2FAdventOfRust2016'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 28c0d8fa63c510afdd063df1c0034ea2507a068f [INFO] documenting davidsullins/AdventOfRust2016 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%2Fdavidsullins%2FAdventOfRust2016" "/workspace/builds/worker-22/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/davidsullins/AdventOfRust2016 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/davidsullins/AdventOfRust2016 [INFO] finished tweaking git repo https://github.com/davidsullins/AdventOfRust2016 [INFO] tweaked toml for git repo https://github.com/davidsullins/AdventOfRust2016 written to /workspace/builds/worker-22/source/Cargo.toml [INFO] crate git repo https://github.com/davidsullins/AdventOfRust2016 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] Downloading crates ... [INFO] [stderr] Downloaded thread-id v3.0.0 [INFO] [stderr] Downloaded permutohedron v0.2.2 [INFO] [stderr] Downloaded futures-cpupool v0.1.2 [INFO] [stderr] Downloaded num_cpus v1.2.0 [INFO] [stderr] Downloaded thread_local v0.3.2 [INFO] [stderr] Downloaded libc v0.2.18 [INFO] [stderr] Downloaded futures v0.1.7 [INFO] [stderr] Downloaded aho-corasick v0.6.1 [INFO] [stderr] Downloaded md5 v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] a66b947751f5eee2ab3dd48ca42c22f939f7ef193837c425608f29dfd62c5f68 [INFO] running `Command { std: "docker" "start" "-a" "a66b947751f5eee2ab3dd48ca42c22f939f7ef193837c425608f29dfd62c5f68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a66b947751f5eee2ab3dd48ca42c22f939f7ef193837c425608f29dfd62c5f68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a66b947751f5eee2ab3dd48ca42c22f939f7ef193837c425608f29dfd62c5f68", kill_on_drop: false }` [INFO] [stdout] a66b947751f5eee2ab3dd48ca42c22f939f7ef193837c425608f29dfd62c5f68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 8a2c08e134acae1fc6b8db9a137b7c4ad0c9a78fe03a9008c67310d11b97fc95 [INFO] running `Command { std: "docker" "start" "-a" "8a2c08e134acae1fc6b8db9a137b7c4ad0c9a78fe03a9008c67310d11b97fc95", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking libc v0.2.18 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking log v0.3.6 [INFO] [stderr] Checking crossbeam v0.2.10 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking regex-syntax v0.4.0 [INFO] [stderr] Checking lazy_static v0.2.2 [INFO] [stderr] Checking md5 v0.3.2 [INFO] [stderr] Checking permutohedron v0.2.2 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Checking futures v0.1.7 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking thread-id v3.0.0 [INFO] [stderr] Checking num_cpus v1.2.0 [INFO] [stderr] Checking thread_local v0.3.2 [INFO] [stderr] Checking aho-corasick v0.6.1 [INFO] [stderr] Checking futures-cpupool v0.1.2 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stderr] Documenting AdventOfRust2016 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking AdventOfRust2016 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unknown lint: `needless_range_loop` [INFO] [stdout] --> src/bin/advent19.rs:27:17 [INFO] [stdout] | [INFO] [stdout] 27 | #[allow(needless_range_loop)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent10 src/bin/advent10.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a00d2e01b042ce15 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.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 `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent14 src/bin/advent14.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=be1f34f301e75478 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent2 src/bin/advent2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7757c5dd3d069fc4 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent12 src/bin/advent12.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=87f99684719916d8 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent15 src/bin/advent15.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=df6122506f409f8c -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent8 src/bin/advent8.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cd8f124540b67742 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent9 src/bin/advent9.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=414a1028b0489626 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent18 src/bin/advent18.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f5a8a30a0b789231 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent17 src/bin/advent17.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0c30d62fd8b04d4b -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent5 src/bin/advent5.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d1a308829b1302c1 -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent24 src/bin/advent24.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7e54058020d64abc -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent16 src/bin/advent16.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9446c25f3ab2a50a -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stderr] error: could not document `AdventOfRust2016` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `rustdoc --crate-type bin --crate-name advent22 src/bin/advent22.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=92bb8434ca37495a -L dependency=/opt/rustwide/target/debug/deps --extern common=/opt/rustwide/target/debug/deps/libcommon-92b79703eac445b4.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-a4224f5329336cce.rmeta --extern futures_cpupool=/opt/rustwide/target/debug/deps/libfutures_cpupool-6daacc8ad822be01.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd44212d5468aa80.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-aed3ed948ce8e1ff.rmeta --extern permutohedron=/opt/rustwide/target/debug/deps/libpermutohedron-dd48d1e47deee605.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-04d31ac26224ba2d.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8a2c08e134acae1fc6b8db9a137b7c4ad0c9a78fe03a9008c67310d11b97fc95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a2c08e134acae1fc6b8db9a137b7c4ad0c9a78fe03a9008c67310d11b97fc95", kill_on_drop: false }` [INFO] [stdout] 8a2c08e134acae1fc6b8db9a137b7c4ad0c9a78fe03a9008c67310d11b97fc95