[INFO] cloning repository https://github.com/mokomull/adventofcode_2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mokomull/adventofcode_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmokomull%2Fadventofcode_2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmokomull%2Fadventofcode_2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c64dcc8c7f77102b16afabac6c10ce9039763d6d
[INFO] documenting mokomull/adventofcode_2021 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%2Fmokomull%2Fadventofcode_2021" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mokomull/adventofcode_2021 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/mokomull/adventofcode_2021
[INFO] finished tweaking git repo https://github.com/mokomull/adventofcode_2021
[INFO] tweaked toml for git repo https://github.com/mokomull/adventofcode_2021 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/mokomull/adventofcode_2021 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]     Updating git repository `https://github.com/mokomull/adventofcode_2020`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] d30d04c2f6257d615930016040856a2ec017bb6dff1b03462d646ad3ef575f60
[INFO] running `Command { std: "docker" "start" "-a" "d30d04c2f6257d615930016040856a2ec017bb6dff1b03462d646ad3ef575f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d30d04c2f6257d615930016040856a2ec017bb6dff1b03462d646ad3ef575f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30d04c2f6257d615930016040856a2ec017bb6dff1b03462d646ad3ef575f60", kill_on_drop: false }`
[INFO] [stdout] d30d04c2f6257d615930016040856a2ec017bb6dff1b03462d646ad3ef575f60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] c1cdfe38448546ac31c8811b703f711b7f4836cb60c65edf3db8f805eab998bf
[INFO] running `Command { std: "docker" "start" "-a" "c1cdfe38448546ac31c8811b703f711b7f4836cb60c65edf3db8f805eab998bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking prelude v0.1.0 (https://github.com/mokomull/adventofcode_2020#eeb59be1)
[INFO] [stderr]     Checking prelude v0.1.0 (/opt/rustwide/workdir/prelude)
[INFO] [stderr]  Documenting prelude v0.1.0 (/opt/rustwide/workdir/prelude)
[INFO] [stderr]  Documenting day_17 v0.1.0 (/opt/rustwide/workdir/day_17)
[INFO] [stderr]  Documenting day_05 v0.1.0 (/opt/rustwide/workdir/day_05)
[INFO] [stderr]  Documenting day_07 v0.1.0 (/opt/rustwide/workdir/day_07)
[INFO] [stderr]  Documenting day_20 v0.1.0 (/opt/rustwide/workdir/day_20)
[INFO] [stderr]  Documenting day_19 v0.1.0 (/opt/rustwide/workdir/day_19)
[INFO] [stderr]  Documenting day_13 v0.1.0 (/opt/rustwide/workdir/day_13)
[INFO] [stderr]  Documenting day_14 v0.1.0 (/opt/rustwide/workdir/day_14)
[INFO] [stderr]  Documenting day_11 v0.1.0 (/opt/rustwide/workdir/day_11)
[INFO] [stderr]  Documenting day_08 v0.1.0 (/opt/rustwide/workdir/day_08)
[INFO] [stderr]  Documenting day_06 v0.1.0 (/opt/rustwide/workdir/day_06)
[INFO] [stderr]  Documenting day_01 v0.1.0 (/opt/rustwide/workdir/day_01)
[INFO] [stderr]  Documenting day_15 v0.1.0 (/opt/rustwide/workdir/day_15)
[INFO] [stderr]  Documenting day_02 v0.1.0 (/opt/rustwide/workdir/day_02)
[INFO] [stderr]  Documenting day_03 v0.1.0 (/opt/rustwide/workdir/day_03)
[INFO] [stderr]  Documenting day_22 v0.1.0 (/opt/rustwide/workdir/day_22)
[INFO] [stderr]  Documenting day_10 v0.1.0 (/opt/rustwide/workdir/day_10)
[INFO] [stderr]  Documenting day_12 v0.1.0 (/opt/rustwide/workdir/day_12)
[INFO] [stderr]  Documenting day_18 v0.1.0 (/opt/rustwide/workdir/day_18)
[INFO] [stderr]  Documenting day_04 v0.1.0 (/opt/rustwide/workdir/day_04)
[INFO] [stderr]  Documenting day_09 v0.1.0 (/opt/rustwide/workdir/day_09)
[INFO] [stderr]  Documenting day_25 v0.1.0 (/opt/rustwide/workdir/day_25)
[INFO] [stderr]  Documenting day_16 v0.1.0 (/opt/rustwide/workdir/day_16)
[INFO] [stderr]  Documenting day_21 v0.1.0 (/opt/rustwide/workdir/day_21)
[INFO] [stderr] error: could not document `day_01`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_01 day_01/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=002a9d68f9f0db30 -L dependency=/opt/rustwide/target/debug/deps --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.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 `day_20`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_20 day_20/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=12cf864fe286b40b -L dependency=/opt/rustwide/target/debug/deps --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `prelude`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name prelude prelude/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=363f5dfa07d502ed -L dependency=/opt/rustwide/target/debug/deps --extern prelude_2020=/opt/rustwide/target/debug/deps/libprelude-7ef1d4cfab9e8709.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_18`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_18 day_18/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=48d0aa3855853d36 -L dependency=/opt/rustwide/target/debug/deps --extern nom=/opt/rustwide/target/debug/deps/libnom-b97916a12d79a983.rmeta --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_02`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_02 day_02/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=3726868d100d0898 -L dependency=/opt/rustwide/target/debug/deps --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_11`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_11 day_11/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=13cf7d0c26d5a66a -L dependency=/opt/rustwide/target/debug/deps --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_13`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_13 day_13/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2f91c1b36f63eee1 -L dependency=/opt/rustwide/target/debug/deps --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_22`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_22 day_22/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=049e64be2c9a92b5 -L dependency=/opt/rustwide/target/debug/deps --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_17`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_17 day_17/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a42567e227537cb3 -L dependency=/opt/rustwide/target/debug/deps --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_08`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_08 day_08/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=51b1665a56c5a740 -L dependency=/opt/rustwide/target/debug/deps --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_03`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_03 day_03/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8ce39d8cac666848 -L dependency=/opt/rustwide/target/debug/deps --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_10 day_10/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e84c87407132d369 -L dependency=/opt/rustwide/target/debug/deps --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_09`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_09 day_09/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c5f1226df645af50 -L dependency=/opt/rustwide/target/debug/deps --extern prelude=/opt/rustwide/target/debug/deps/libprelude-363f5dfa07d502ed.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "c1cdfe38448546ac31c8811b703f711b7f4836cb60c65edf3db8f805eab998bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1cdfe38448546ac31c8811b703f711b7f4836cb60c65edf3db8f805eab998bf", kill_on_drop: false }`
[INFO] [stdout] c1cdfe38448546ac31c8811b703f711b7f4836cb60c65edf3db8f805eab998bf