[INFO] cloning repository https://github.com/rchilly/aoc_21
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rchilly/aoc_21" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchilly%2Faoc_21", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchilly%2Faoc_21'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40a1cecc55404342e1f997511b42def422f5ae39
[INFO] documenting rchilly/aoc_21 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchilly%2Faoc_21" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchilly/aoc_21 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-26/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/rchilly/aoc_21
[INFO] finished tweaking git repo https://github.com/rchilly/aoc_21
[INFO] tweaked toml for git repo https://github.com/rchilly/aoc_21 written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/rchilly/aoc_21 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a44bc6b8a3e075e5ecad3e22b75502ee4d0ad7460ed4b9aa73c591545799c54
[INFO] running `Command { std: "docker" "start" "-a" "3a44bc6b8a3e075e5ecad3e22b75502ee4d0ad7460ed4b9aa73c591545799c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a44bc6b8a3e075e5ecad3e22b75502ee4d0ad7460ed4b9aa73c591545799c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a44bc6b8a3e075e5ecad3e22b75502ee4d0ad7460ed4b9aa73c591545799c54", kill_on_drop: false }`
[INFO] [stdout] 3a44bc6b8a3e075e5ecad3e22b75502ee4d0ad7460ed4b9aa73c591545799c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13b2e759b455bf9f7c8f19d2489ecb5b6ba87ef8467338b6446f16c7c38ca12f
[INFO] running `Command { std: "docker" "start" "-a" "13b2e759b455bf9f7c8f19d2489ecb5b6ba87ef8467338b6446f16c7c38ca12f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking advent_21 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting advent_21 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 22 src/bin/22/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=02174a465bcf45b5 -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --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_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 5 src/bin/5/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=556ea7b092903d6f -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 24 src/bin/24/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0311ed87f7df1bbd -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 20 src/bin/20/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=75fed65bfc9eecca -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 9 src/bin/9/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=e917ab6755bbc20d -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 8 src/bin/8/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b3679fe862536777 -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 21 src/bin/21/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=607c07d5bebf97a9 -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 1 src/bin/1/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=74638914d462acf4 -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 4 src/bin/4/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=acfd3121a12c3944 -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 13 src/bin/13/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bd7bf21be3d42de2 -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 3 src/bin/3/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bba571d15b4eb968 -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `advent_21`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name 15 src/bin/15/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a15b01008df8c6d2 -L dependency=/opt/rustwide/target/debug/deps --extern advent_21=/opt/rustwide/target/debug/deps/libadvent_21-acf2be12fec64c6d.rmeta --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "13b2e759b455bf9f7c8f19d2489ecb5b6ba87ef8467338b6446f16c7c38ca12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13b2e759b455bf9f7c8f19d2489ecb5b6ba87ef8467338b6446f16c7c38ca12f", kill_on_drop: false }`
[INFO] [stdout] 13b2e759b455bf9f7c8f19d2489ecb5b6ba87ef8467338b6446f16c7c38ca12f