[INFO] cloning repository https://github.com/sesquipedalian-dev/advent-of-code-2020-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sesquipedalian-dev/advent-of-code-2020-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsesquipedalian-dev%2Fadvent-of-code-2020-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsesquipedalian-dev%2Fadvent-of-code-2020-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aaa626d7eab67fc9ff04fe67b0e2726f044cf0b9
[INFO] documenting sesquipedalian-dev/advent-of-code-2020-rust 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%2Fsesquipedalian-dev%2Fadvent-of-code-2020-rust" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sesquipedalian-dev/advent-of-code-2020-rust 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/sesquipedalian-dev/advent-of-code-2020-rust
[INFO] finished tweaking git repo https://github.com/sesquipedalian-dev/advent-of-code-2020-rust
[INFO] tweaked toml for git repo https://github.com/sesquipedalian-dev/advent-of-code-2020-rust written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/sesquipedalian-dev/advent-of-code-2020-rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 944249628afb8a871b4b26566c3e71957bb05289e5f9dab1ef5fe12e73621753
[INFO] running `Command { std: "docker" "start" "-a" "944249628afb8a871b4b26566c3e71957bb05289e5f9dab1ef5fe12e73621753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "944249628afb8a871b4b26566c3e71957bb05289e5f9dab1ef5fe12e73621753", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944249628afb8a871b4b26566c3e71957bb05289e5f9dab1ef5fe12e73621753", kill_on_drop: false }`
[INFO] [stdout] 944249628afb8a871b4b26566c3e71957bb05289e5f9dab1ef5fe12e73621753
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] 419c8999436e951bee0603569c907e726f4c19aeed1da67f859d149d4406b74b
[INFO] running `Command { std: "docker" "start" "-a" "419c8999436e951bee0603569c907e726f4c19aeed1da67f859d149d4406b74b", kill_on_drop: false }`
[INFO] [stderr]     Checking advent_2020_common v0.1.0 (/opt/rustwide/workdir/advent_2020_common)
[INFO] [stderr]  Documenting advent_2020_common v0.1.0 (/opt/rustwide/workdir/advent_2020_common)
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]  Documenting advent_2020_day_6 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_6)
[INFO] [stderr]  Documenting advent_2020_day_14 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_14)
[INFO] [stderr]  Documenting advent_2020_day_9 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_9)
[INFO] [stderr]  Documenting advent_2020_day_8 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_8)
[INFO] [stderr]  Documenting advent_2020_day_3 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_3)
[INFO] [stderr]  Documenting advent_2020_day_19 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_19)
[INFO] [stderr]  Documenting advent_2020_day_4 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_4)
[INFO] [stderr]  Documenting advent_2020_day_7 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_7)
[INFO] [stderr]  Documenting advent_2020_day_5 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_5)
[INFO] [stderr]  Documenting advent_2020_day_1 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_1)
[INFO] [stderr]  Documenting advent_2020_day_12 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_12)
[INFO] [stderr]  Documenting advent_2020_day_17 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_17)
[INFO] [stderr]  Documenting advent_2020_day_18 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_18)
[INFO] [stderr]  Documenting advent_2020_day_15 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_15)
[INFO] [stderr]  Documenting advent_2020_day_11 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_11)
[INFO] [stderr]  Documenting advent_2020_day_13 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_13)
[INFO] [stderr]  Documenting advent_2020_day_10 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_10)
[INFO] [stderr]  Documenting advent_2020_day_2 v0.1.0 (/opt/rustwide/workdir/advent_2020_day_2)
[INFO] [stderr] error: could not document `advent_2020_day_13`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name advent_2020_day_13 advent_2020_day_13/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=cfa3ccdf000f0601 -L dependency=/opt/rustwide/target/debug/deps --extern advent_2020_common=/opt/rustwide/target/debug/deps/libadvent_2020_common-bd66e5b889f7ed7b.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_2020_day_19`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name advent_2020_day_19 advent_2020_day_19/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c284b9647a5075cd -L dependency=/opt/rustwide/target/debug/deps --extern advent_2020_common=/opt/rustwide/target/debug/deps/libadvent_2020_common-bd66e5b889f7ed7b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_2020_day_8`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name advent_2020_day_8 advent_2020_day_8/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=dd9eb271d589d06a -L dependency=/opt/rustwide/target/debug/deps --extern advent_2020_common=/opt/rustwide/target/debug/deps/libadvent_2020_common-bd66e5b889f7ed7b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_2020_day_12`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name advent_2020_day_12 advent_2020_day_12/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=93b1e97dac699aa0 -L dependency=/opt/rustwide/target/debug/deps --extern advent_2020_common=/opt/rustwide/target/debug/deps/libadvent_2020_common-bd66e5b889f7ed7b.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_2020_day_3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name advent_2020_day_3 advent_2020_day_3/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=5a703fb131b32e40 -L dependency=/opt/rustwide/target/debug/deps --extern advent_2020_common=/opt/rustwide/target/debug/deps/libadvent_2020_common-bd66e5b889f7ed7b.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_2020_day_2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name advent_2020_day_2 advent_2020_day_2/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b5f92f10ee187a8c -L dependency=/opt/rustwide/target/debug/deps --extern advent_2020_common=/opt/rustwide/target/debug/deps/libadvent_2020_common-bd66e5b889f7ed7b.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_2020_day_14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name advent_2020_day_14 advent_2020_day_14/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1b966d2fc8064e47 -L dependency=/opt/rustwide/target/debug/deps --extern advent_2020_common=/opt/rustwide/target/debug/deps/libadvent_2020_common-bd66e5b889f7ed7b.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-1479f2b7adeaa2b6.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-01d9c5dc0d72cf1f.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_2020_day_17`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name advent_2020_day_17 advent_2020_day_17/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=26c3ff92c8f6bb61 -L dependency=/opt/rustwide/target/debug/deps --extern advent_2020_common=/opt/rustwide/target/debug/deps/libadvent_2020_common-bd66e5b889f7ed7b.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "419c8999436e951bee0603569c907e726f4c19aeed1da67f859d149d4406b74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "419c8999436e951bee0603569c907e726f4c19aeed1da67f859d149d4406b74b", kill_on_drop: false }`
[INFO] [stdout] 419c8999436e951bee0603569c907e726f4c19aeed1da67f859d149d4406b74b