[INFO] cloning repository https://github.com/matei-oltean/adventofcode2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matei-oltean/adventofcode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatei-oltean%2Fadventofcode2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatei-oltean%2Fadventofcode2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b07e4b411274b0db60a961f2530733da6bfd8375
[INFO] documenting matei-oltean/adventofcode2021 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%2Fmatei-oltean%2Fadventofcode2021" "/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/matei-oltean/adventofcode2021 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/matei-oltean/adventofcode2021
[INFO] finished tweaking git repo https://github.com/matei-oltean/adventofcode2021
[INFO] tweaked toml for git repo https://github.com/matei-oltean/adventofcode2021 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/matei-oltean/adventofcode2021 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] abc01fc9d3f79f5a1157b14a986a05f0ca005f59b2d7c461817955cd5b0204e3
[INFO] running `Command { std: "docker" "start" "-a" "abc01fc9d3f79f5a1157b14a986a05f0ca005f59b2d7c461817955cd5b0204e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abc01fc9d3f79f5a1157b14a986a05f0ca005f59b2d7c461817955cd5b0204e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc01fc9d3f79f5a1157b14a986a05f0ca005f59b2d7c461817955cd5b0204e3", kill_on_drop: false }`
[INFO] [stdout] abc01fc9d3f79f5a1157b14a986a05f0ca005f59b2d7c461817955cd5b0204e3
[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] 009cc6e8e740d685cbe1cd4dafd9ba784096506a5c628b10727570b2aa77eb62
[INFO] running `Command { std: "docker" "start" "-a" "009cc6e8e740d685cbe1cd4dafd9ba784096506a5c628b10727570b2aa77eb62", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]  Documenting day06 v0.1.0 (/opt/rustwide/workdir/day06)
[INFO] [stderr]  Documenting day03 v0.1.0 (/opt/rustwide/workdir/day03)
[INFO] [stderr]  Documenting day09 v0.1.0 (/opt/rustwide/workdir/day09)
[INFO] [stderr]  Documenting day01 v0.1.0 (/opt/rustwide/workdir/day01)
[INFO] [stderr]  Documenting day05 v0.1.0 (/opt/rustwide/workdir/day05)
[INFO] [stderr]  Documenting day07 v0.1.0 (/opt/rustwide/workdir/day07)
[INFO] [stderr]  Documenting day13 v0.1.0 (/opt/rustwide/workdir/day13)
[INFO] [stderr]  Documenting day04 v0.1.0 (/opt/rustwide/workdir/day04)
[INFO] [stderr]  Documenting day08 v0.1.0 (/opt/rustwide/workdir/day08)
[INFO] [stderr]  Documenting day21 v0.1.0 (/opt/rustwide/workdir/day21)
[INFO] [stderr]  Documenting day20 v0.1.0 (/opt/rustwide/workdir/day20)
[INFO] [stderr]  Documenting day17 v0.1.0 (/opt/rustwide/workdir/day17)
[INFO] [stderr]  Documenting day16 v0.1.0 (/opt/rustwide/workdir/day16)
[INFO] [stderr]  Documenting day15 v0.1.0 (/opt/rustwide/workdir/day15)
[INFO] [stderr]  Documenting day14 v0.1.0 (/opt/rustwide/workdir/day14)
[INFO] [stderr]  Documenting day12 v0.1.0 (/opt/rustwide/workdir/day12)
[INFO] [stderr]  Documenting day11 v0.1.0 (/opt/rustwide/workdir/day11)
[INFO] [stderr]  Documenting day10 v0.1.0 (/opt/rustwide/workdir/day10)
[INFO] [stderr]  Documenting day02 v0.1.0 (/opt/rustwide/workdir/day02)
[INFO] [stderr] error: could not document `day03`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day03 day03/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1c73d99869edf054 -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 `day17`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day17 day17/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b59e1a1fc0df6297 -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 `day06`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day06 day06/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1f2f2fc7526001ac -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 `day16`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day16 day16/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=d3e8624d314f0c80 -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 `day10`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day10 day10/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=146de383f61a5be4 -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 `day01`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day01 day01/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=4c8fa8529ba8cb49 -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 `day13`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day13 day13/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=820d4be7992779f9 -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 `day05`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type bin --crate-name day05 day05/src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=69b85e16ea5cc867 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "009cc6e8e740d685cbe1cd4dafd9ba784096506a5c628b10727570b2aa77eb62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "009cc6e8e740d685cbe1cd4dafd9ba784096506a5c628b10727570b2aa77eb62", kill_on_drop: false }`
[INFO] [stdout] 009cc6e8e740d685cbe1cd4dafd9ba784096506a5c628b10727570b2aa77eb62