[INFO] cloning repository https://github.com/kjvalencik/aoc-2021
[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-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjvalencik%2Faoc-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkjvalencik%2Faoc-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aed3429c3ee163de109fdaa94460ec640a008e8a
[INFO] documenting kjvalencik/aoc-2021 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-2021" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kjvalencik/aoc-2021 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-2021
[INFO] finished tweaking git repo https://github.com/kjvalencik/aoc-2021
[INFO] tweaked toml for git repo https://github.com/kjvalencik/aoc-2021 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/kjvalencik/aoc-2021 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81c95c482acb72500c5cc02c15ef9eeac2ee32571535550128b506ba49adde9d
[INFO] running `Command { std: "docker" "start" "-a" "81c95c482acb72500c5cc02c15ef9eeac2ee32571535550128b506ba49adde9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81c95c482acb72500c5cc02c15ef9eeac2ee32571535550128b506ba49adde9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81c95c482acb72500c5cc02c15ef9eeac2ee32571535550128b506ba49adde9d", kill_on_drop: false }`
[INFO] [stdout] 81c95c482acb72500c5cc02c15ef9eeac2ee32571535550128b506ba49adde9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1ef0e19c122d95799becd0b53dd08101c74cb0f4b4db5a5bf893e0f2541d61f5
[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" "1ef0e19c122d95799becd0b53dd08101c74cb0f4b4db5a5bf893e0f2541d61f5", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]  Documenting util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]  Documenting day-13 v0.1.0 (/opt/rustwide/workdir/day-13)
[INFO] [stderr]  Documenting day-19 v0.1.0 (/opt/rustwide/workdir/day-19)
[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-25 v0.1.0 (/opt/rustwide/workdir/day-25)
[INFO] [stderr]  Documenting day-07 v0.1.0 (/opt/rustwide/workdir/day-07)
[INFO] [stderr]  Documenting day-01 v0.1.0 (/opt/rustwide/workdir/day-01)
[INFO] [stderr]  Documenting day-05 v0.1.0 (/opt/rustwide/workdir/day-05)
[INFO] [stderr]  Documenting day-20 v0.1.0 (/opt/rustwide/workdir/day-20)
[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]  Documenting day-23 v0.1.0 (/opt/rustwide/workdir/day-23)
[INFO] [stderr]  Documenting day-06 v0.1.0 (/opt/rustwide/workdir/day-06)
[INFO] [stderr] error: could not document `util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type lib --crate-name util util/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2c726d01cdc3a647 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-2b51f40009cfbc32.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-c3e915a3b5e36158.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-cfe83358698cd9c3.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-02`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --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=c6a881bdc5454daf -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-2c726d01cdc3a647.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day-12`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_12 day-12/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8240f60af2a19669 -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-2c726d01cdc3a647.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day-14`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_14 day-14/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=a52aa03a6c226f28 -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-2c726d01cdc3a647.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day-25`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_25 day-25/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9e33afb39e071659 -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-2c726d01cdc3a647.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day-19`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_19 day-19/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=9a0039d6d2657a0c -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-2c726d01cdc3a647.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day-08`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day_08 day-08/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=59dc559688f50143 -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-2c726d01cdc3a647.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `day-07`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --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=8dc3fddc3eed3feb -L dependency=/opt/rustwide/target/debug/deps --extern util=/opt/rustwide/target/debug/deps/libutil-2c726d01cdc3a647.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1ef0e19c122d95799becd0b53dd08101c74cb0f4b4db5a5bf893e0f2541d61f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef0e19c122d95799becd0b53dd08101c74cb0f4b4db5a5bf893e0f2541d61f5", kill_on_drop: false }`
[INFO] [stdout] 1ef0e19c122d95799becd0b53dd08101c74cb0f4b4db5a5bf893e0f2541d61f5