[INFO] cloning repository https://github.com/FourCredits/aoc2019-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FourCredits/aoc2019-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFourCredits%2Faoc2019-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFourCredits%2Faoc2019-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 346bf42a0537d5e863548653eac9e3f67aa51030
[INFO] documenting FourCredits/aoc2019-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%2FFourCredits%2Faoc2019-rust" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FourCredits/aoc2019-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/FourCredits/aoc2019-rust
[INFO] finished tweaking git repo https://github.com/FourCredits/aoc2019-rust
[INFO] tweaked toml for git repo https://github.com/FourCredits/aoc2019-rust written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/FourCredits/aoc2019-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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] e10595ab54b885978f69c80e591c1f9c1df40801dfc992cfe924a732a033f314
[INFO] running `Command { std: "docker" "start" "-a" "e10595ab54b885978f69c80e591c1f9c1df40801dfc992cfe924a732a033f314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10595ab54b885978f69c80e591c1f9c1df40801dfc992cfe924a732a033f314", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10595ab54b885978f69c80e591c1f9c1df40801dfc992cfe924a732a033f314", kill_on_drop: false }`
[INFO] [stdout] e10595ab54b885978f69c80e591c1f9c1df40801dfc992cfe924a732a033f314
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 1826eafd2230b07db8bc010639f37fffc1a5c2e047dd453a472e8bbdb5c9a3a2
[INFO] running `Command { std: "docker" "start" "-a" "1826eafd2230b07db8bc010639f37fffc1a5c2e047dd453a472e8bbdb5c9a3a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking intcode v0.1.0 (/opt/rustwide/workdir/intcode)
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]  Documenting utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]  Documenting intcode v0.1.0 (/opt/rustwide/workdir/intcode)
[INFO] [stderr]  Documenting d04 v0.1.0 (/opt/rustwide/workdir/d04)
[INFO] [stderr]  Documenting d14 v0.1.0 (/opt/rustwide/workdir/d14)
[INFO] [stderr]  Documenting d01 v0.1.0 (/opt/rustwide/workdir/d01)
[INFO] [stderr]  Documenting d06 v0.1.0 (/opt/rustwide/workdir/d06)
[INFO] [stderr]  Documenting d03 v0.1.0 (/opt/rustwide/workdir/d03)
[INFO] [stderr]  Documenting d08 v0.1.0 (/opt/rustwide/workdir/d08)
[INFO] [stderr]  Documenting d16 v0.1.0 (/opt/rustwide/workdir/d16)
[INFO] [stderr]  Documenting d10 v0.1.0 (/opt/rustwide/workdir/d10)
[INFO] [stderr]  Documenting d18 v0.1.0 (/opt/rustwide/workdir/d18)
[INFO] [stderr]  Documenting d12 v0.1.0 (/opt/rustwide/workdir/d12)
[INFO] [stderr]  Documenting d05 v0.1.0 (/opt/rustwide/workdir/d05)
[INFO] [stderr]  Documenting d13 v0.1.0 (/opt/rustwide/workdir/d13)
[INFO] [stderr]  Documenting d09 v0.1.0 (/opt/rustwide/workdir/d09)
[INFO] [stderr]  Documenting d11 v0.1.0 (/opt/rustwide/workdir/d11)
[INFO] [stderr]  Documenting d02 v0.1.0 (/opt/rustwide/workdir/d02)
[INFO] [stderr]  Documenting d07 v0.1.0 (/opt/rustwide/workdir/d07)
[INFO] [stderr]  Documenting d17 v0.1.0 (/opt/rustwide/workdir/d17)
[INFO] [stderr]  Documenting d15 v0.1.0 (/opt/rustwide/workdir/d15)
[INFO] [stderr] error: could not document `d16`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name d16 d16/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b19624f6dcba5bd7 -L dependency=/opt/rustwide/target/debug/deps --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 `d03`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name d03 d03/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=859a3c329e9a7a71 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `d14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name d14 d14/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=802c6ad38e0c5e95 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `d08`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name d08 d08/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=34c7fd71dcbda04f -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `intcode`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name intcode intcode/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4e553c27aee3905b -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `utils`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name utils utils/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2325e6bf02d3d4e2 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `d01`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name d01 d01/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4026a68d8e283403 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `d07`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name d07 d07/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=28f51ec3f9c72049 -L dependency=/opt/rustwide/target/debug/deps --extern intcode=/opt/rustwide/target/debug/deps/libintcode-4e553c27aee3905b.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1826eafd2230b07db8bc010639f37fffc1a5c2e047dd453a472e8bbdb5c9a3a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1826eafd2230b07db8bc010639f37fffc1a5c2e047dd453a472e8bbdb5c9a3a2", kill_on_drop: false }`
[INFO] [stdout] 1826eafd2230b07db8bc010639f37fffc1a5c2e047dd453a472e8bbdb5c9a3a2