[INFO] cloning repository https://github.com/jtdowney/neopixel-art
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtdowney/neopixel-art" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fneopixel-art", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fneopixel-art'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c31962c7929905dab6d1850d94102230d9d6e4be
[INFO] documenting jtdowney/neopixel-art against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fneopixel-art" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jtdowney/neopixel-art
[INFO] finished tweaking git repo https://github.com/jtdowney/neopixel-art
[INFO] tweaked toml for git repo https://github.com/jtdowney/neopixel-art written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jtdowney/neopixel-art on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jtdowney/neopixel-art already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] documenting jtdowney/neopixel-art against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdowney%2Fneopixel-art" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/jtdowney/neopixel-art
[INFO] finished tweaking git repo https://github.com/jtdowney/neopixel-art
[INFO] tweaked toml for git repo https://github.com/jtdowney/neopixel-art written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jtdowney/neopixel-art on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jtdowney/neopixel-art already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded smart-leds-trait v0.2.1
[INFO] [stderr]   Downloaded ws2812-timer-delay v0.3.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.4
[INFO] [stderr]   Downloaded rgb v0.8.25
[INFO] [stderr]   Downloaded bytemuck v1.4.1
[INFO] [stderr]   Downloaded volatile-register v0.2.0
[INFO] [stderr]   Downloaded aligned v0.3.4
[INFO] [stderr]   Downloaded nb v1.0.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.1.8
[INFO] [stderr]   Downloaded vcell v0.1.2
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded smart-leds v0.3.0
[INFO] [stderr]   Downloaded as-slice v0.1.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded cast v0.2.3
[INFO] [stderr]   Downloaded cortex-m-rt v0.6.13
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded cortex-m v0.6.3
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] [stderr]   Downloaded stm32f1 v0.11.0
[INFO] [stderr]   Downloaded r0 v0.2.2
[INFO] [stderr]   Downloaded stm32f1xx-hal v0.6.1
[INFO] [stderr]   Downloaded panic-reset v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27bf1f480714350e7c43ae1ff3bea6740e9ca10d91da8a65d7656e65213c5d3e
[INFO] running `Command { std: "docker" "start" "-a" "27bf1f480714350e7c43ae1ff3bea6740e9ca10d91da8a65d7656e65213c5d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27bf1f480714350e7c43ae1ff3bea6740e9ca10d91da8a65d7656e65213c5d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27bf1f480714350e7c43ae1ff3bea6740e9ca10d91da8a65d7656e65213c5d3e", kill_on_drop: false }`
[INFO] [stdout] 27bf1f480714350e7c43ae1ff3bea6740e9ca10d91da8a65d7656e65213c5d3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7a1b1a78b1d766e0bd77488529637971e92183b9f2b15cbc000c215e7eccaca
[INFO] running `Command { std: "docker" "start" "-a" "d7a1b1a78b1d766e0bd77488529637971e92183b9f2b15cbc000c215e7eccaca", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cortex-m v0.6.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]     Checking vcell v0.1.2
[INFO] [stderr]     Checking bytemuck v1.4.1
[INFO] [stderr]    Compiling cortex-m-rt v0.6.13
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling stm32f1 v0.11.0
[INFO] [stderr]     Checking r0 v0.2.2
[INFO] [stderr]     Checking volatile-register v0.2.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smart-leds-trait v0.2.1
[INFO] [stderr]     Checking ws2812-timer-delay v0.3.0
[INFO] [stderr]     Checking smart-leds v0.3.0
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking panic-reset v0.1.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.1.8
[INFO] [stderr]     Checking stm32f1xx-hal v0.6.1
[INFO] [stderr]  Documenting neopixel-art v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.68s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: stm32f1xx-hal v0.6.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/neopixel_art/index.html
[INFO] running `Command { std: "docker" "inspect" "d7a1b1a78b1d766e0bd77488529637971e92183b9f2b15cbc000c215e7eccaca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a1b1a78b1d766e0bd77488529637971e92183b9f2b15cbc000c215e7eccaca", kill_on_drop: false }`
[INFO] [stdout] d7a1b1a78b1d766e0bd77488529637971e92183b9f2b15cbc000c215e7eccaca