[INFO] cloning repository https://github.com/thekuom/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/thekuom/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekuom%2Fadvent-of-code-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekuom%2Fadvent-of-code-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1d49dac31eec2c42c24ddd3bc371adfdd09db63
[INFO] documenting thekuom/advent-of-code-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%2Fthekuom%2Fadvent-of-code-2021" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thekuom/advent-of-code-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/thekuom/advent-of-code-2021
[INFO] finished tweaking git repo https://github.com/thekuom/advent-of-code-2021
[INFO] tweaked toml for git repo https://github.com/thekuom/advent-of-code-2021 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/thekuom/advent-of-code-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] [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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] ba9086f2a0e38e699ed66dab9d80706aea88fd47d5377ec7fb7ac20fa21c24d7
[INFO] running `Command { std: "docker" "start" "-a" "ba9086f2a0e38e699ed66dab9d80706aea88fd47d5377ec7fb7ac20fa21c24d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba9086f2a0e38e699ed66dab9d80706aea88fd47d5377ec7fb7ac20fa21c24d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9086f2a0e38e699ed66dab9d80706aea88fd47d5377ec7fb7ac20fa21c24d7", kill_on_drop: false }`
[INFO] [stdout] ba9086f2a0e38e699ed66dab9d80706aea88fd47d5377ec7fb7ac20fa21c24d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] d4c43a193578846a73cdacc03190f6f79fc3272d8f7de617f46556a623ac2f27
[INFO] running `Command { std: "docker" "start" "-a" "d4c43a193578846a73cdacc03190f6f79fc3272d8f7de617f46556a623ac2f27", kill_on_drop: false }`
[INFO] [stderr]  Documenting aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p4_1 src/bin/p4_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b2da02f8f415d72f -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.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 `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p4_2 src/bin/p4_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=78b5251645e4d249 -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p5_1 src/bin/p5_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=6727d6b051bd47ad -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p8_2 src/bin/p8_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bf614bfb7fe5d3d4 -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p1_1 src/bin/p1_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2a3c7d1a5959953f -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p13_2 src/bin/p13_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2f8a989f7f8ebc52 -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p13_1 src/bin/p13_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=553beb5b3df212a8 -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p10_1 src/bin/p10_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ba163c070e8bd9ea -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p10_2 src/bin/p10_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=193a8a7d5123e2db -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p12_1 src/bin/p12_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b32e8e9b26c0f001 -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p6_1 src/bin/p6_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=10bcf400c645caf0 -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p11_1 src/bin/p11_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0f30bd20b69b56d7 -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p14_1 src/bin/p14_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=bb201e642da4fe04 -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p7_1 src/bin/p7_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=72fb6f4637be0e97 -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p3_1 src/bin/p3_1.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=013fcf81983ba1e1 -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p14_2 src/bin/p14_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=799df6e8bd0621dd -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] [stderr] error: could not document `aoc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name p9_2 src/bin/p9_2.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7c2f9d993fdcc0b5 -L dependency=/opt/rustwide/target/debug/deps --extern aoc=/opt/rustwide/target/debug/deps/libaoc-a0c16bc0f249b5eb.rmeta --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d4c43a193578846a73cdacc03190f6f79fc3272d8f7de617f46556a623ac2f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c43a193578846a73cdacc03190f6f79fc3272d8f7de617f46556a623ac2f27", kill_on_drop: false }`
[INFO] [stdout] d4c43a193578846a73cdacc03190f6f79fc3272d8f7de617f46556a623ac2f27