[INFO] cloning repository https://github.com/qdozaq/advent-of-code-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qdozaq/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdozaq%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdozaq%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dedeca3f5ae43ead539ea96a2091990e8735e58d
[INFO] documenting qdozaq/advent-of-code-2021 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqdozaq%2Fadvent-of-code-2021" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qdozaq/advent-of-code-2021 on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qdozaq/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/qdozaq/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/qdozaq/advent-of-code-2021 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/qdozaq/advent-of-code-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c8e8913e56d7a381da15eb555aaae1a723195410c2b7dc496fb7d2ed718bbfc
[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" "3c8e8913e56d7a381da15eb555aaae1a723195410c2b7dc496fb7d2ed718bbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c8e8913e56d7a381da15eb555aaae1a723195410c2b7dc496fb7d2ed718bbfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8e8913e56d7a381da15eb555aaae1a723195410c2b7dc496fb7d2ed718bbfc", kill_on_drop: false }`
[INFO] [stdout] 3c8e8913e56d7a381da15eb555aaae1a723195410c2b7dc496fb7d2ed718bbfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "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] fcc2e5ca23bc893a469fe7feb7186f6838d890c0ed60c10cebef9d6c60df20dd
[INFO] running `Command { std: "docker" "start" "-a" "fcc2e5ca23bc893a469fe7feb7186f6838d890c0ed60c10cebef9d6c60df20dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking fixedbitset v0.4.0
[INFO] [stderr]  Documenting day_6 v0.1.0 (/opt/rustwide/workdir/day_6)
[INFO] [stderr]  Documenting day_21 v0.1.0 (/opt/rustwide/workdir/day_21)
[INFO] [stderr]  Documenting day_3 v0.1.0 (/opt/rustwide/workdir/day_3)
[INFO] [stderr]  Documenting day_2 v0.1.0 (/opt/rustwide/workdir/day_2)
[INFO] [stderr]  Documenting day_10 v0.1.0 (/opt/rustwide/workdir/day_10)
[INFO] [stderr]  Documenting day_1 v0.1.0 (/opt/rustwide/workdir/day_1)
[INFO] [stderr]  Documenting day_7 v0.1.0 (/opt/rustwide/workdir/day_7)
[INFO] [stderr]  Documenting day_9 v0.1.0 (/opt/rustwide/workdir/day_9)
[INFO] [stderr]  Documenting day_17 v0.1.0 (/opt/rustwide/workdir/day_17)
[INFO] [stderr]  Documenting day_4 v0.1.0 (/opt/rustwide/workdir/day_4)
[INFO] [stderr]  Documenting day_11 v0.1.0 (/opt/rustwide/workdir/day_11)
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr] error: could not document `day_4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_4 day_4/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=943b10ded7f45312 -L dependency=/opt/rustwide/target/debug/deps --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 `day_3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_3 day_3/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9b6fe70c0ce6a1a2 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day_1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_1 day_1/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1769a55d389ce4ec -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid --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=e4f3936d1e0699e9 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "fcc2e5ca23bc893a469fe7feb7186f6838d890c0ed60c10cebef9d6c60df20dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc2e5ca23bc893a469fe7feb7186f6838d890c0ed60c10cebef9d6c60df20dd", kill_on_drop: false }`
[INFO] [stdout] fcc2e5ca23bc893a469fe7feb7186f6838d890c0ed60c10cebef9d6c60df20dd