[INFO] cloning repository https://github.com/kjvalencik/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/kjvalencik/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjvalencik%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjvalencik%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48bf72beecccb4940995c586484c02f40f84f6fe
[INFO] documenting kjvalencik/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%2Fkjvalencik%2Faoc-2020" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kjvalencik/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/kjvalencik/aoc-2020
[INFO] finished tweaking git repo https://github.com/kjvalencik/aoc-2020
[INFO] tweaked toml for git repo https://github.com/kjvalencik/aoc-2020 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kjvalencik/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 616786411e62d2512f47aceda507d21d5996fb77f22109023932627a5ac2aafb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "616786411e62d2512f47aceda507d21d5996fb77f22109023932627a5ac2aafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "616786411e62d2512f47aceda507d21d5996fb77f22109023932627a5ac2aafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616786411e62d2512f47aceda507d21d5996fb77f22109023932627a5ac2aafb", kill_on_drop: false }`
[INFO] [stdout] 616786411e62d2512f47aceda507d21d5996fb77f22109023932627a5ac2aafb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c099011a1c05d49aa3170820913fab67c4f7dd05ef1b43ebef1cc8531be25a6
[INFO] running `Command { std: "docker" "start" "-a" "4c099011a1c05d49aa3170820913fab67c4f7dd05ef1b43ebef1cc8531be25a6", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aoc-common v0.1.0 (/opt/rustwide/workdir/aoc-common)
[INFO] [stderr]  Documenting aoc-common v0.1.0 (/opt/rustwide/workdir/aoc-common)
[INFO] [stderr]  Documenting day-09 v0.1.0 (/opt/rustwide/workdir/day-09)
[INFO] [stderr]  Documenting day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]  Documenting day-04 v0.1.0 (/opt/rustwide/workdir/day-04)
[INFO] [stderr]  Documenting day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[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-02 v0.1.0 (/opt/rustwide/workdir/day-02)
[INFO] [stderr]  Documenting day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr]  Documenting day-03 v0.1.0 (/opt/rustwide/workdir/day-03)
[INFO] [stderr]  Documenting day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stderr]  Documenting day-13 v0.1.0 (/opt/rustwide/workdir/day-13)
[INFO] [stderr]  Documenting day-12 v0.1.0 (/opt/rustwide/workdir/day-12)
[INFO] [stderr]  Documenting day-10 v0.1.0 (/opt/rustwide/workdir/day-10)
[INFO] [stderr]  Documenting day-14 v0.1.0 (/opt/rustwide/workdir/day-14)
[INFO] [stderr] error: could not document `day-06`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_06 day-06/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=10bdda794a7ccc6f -L dependency=/opt/rustwide/target/debug/deps --extern aoc_common=/opt/rustwide/target/debug/deps/libaoc_common-b12611a32ed91977.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-07`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_07 day-07/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=06059eb47977c5cc -L dependency=/opt/rustwide/target/debug/deps --extern aoc_common=/opt/rustwide/target/debug/deps/libaoc_common-b12611a32ed91977.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day-04`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name day_04 day-04/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=42320b6df7d62ecc -L dependency=/opt/rustwide/target/debug/deps --extern aoc_common=/opt/rustwide/target/debug/deps/libaoc_common-b12611a32ed91977.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=2018 --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=aa700c3b0bbef2a6 -L dependency=/opt/rustwide/target/debug/deps --extern aoc_common=/opt/rustwide/target/debug/deps/libaoc_common-b12611a32ed91977.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "4c099011a1c05d49aa3170820913fab67c4f7dd05ef1b43ebef1cc8531be25a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c099011a1c05d49aa3170820913fab67c4f7dd05ef1b43ebef1cc8531be25a6", kill_on_drop: false }`
[INFO] [stdout] 4c099011a1c05d49aa3170820913fab67c4f7dd05ef1b43ebef1cc8531be25a6