[INFO] fetching crate ws2811-spi 0.1.5...
[INFO] checking ws2811-spi-0.1.5 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate ws2811-spi 0.1.5 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ws2811-spi 0.1.5 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ws2811-spi 0.1.5
[INFO] finished tweaking crates.io crate ws2811-spi 0.1.5
[INFO] tweaked toml for crates.io crate ws2811-spi 0.1.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (latest: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (latest: v1.1.0)
[INFO] [stderr]       Adding smart-leds-trait v0.2.1 (latest: v0.3.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smart-leds-trait v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50afb21400e0b23e884c508e24c1413305cf7c96cf170ecbfe74216b1c04c336
[INFO] running `Command { std: "docker" "start" "-a" "50afb21400e0b23e884c508e24c1413305cf7c96cf170ecbfe74216b1c04c336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50afb21400e0b23e884c508e24c1413305cf7c96cf170ecbfe74216b1c04c336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50afb21400e0b23e884c508e24c1413305cf7c96cf170ecbfe74216b1c04c336", kill_on_drop: false }`
[INFO] [stdout] 50afb21400e0b23e884c508e24c1413305cf7c96cf170ecbfe74216b1c04c336
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1da6326a19dfc00f05f92a4f404d84a085cdbef93217f428082c7695a35f9bf8
[INFO] running `Command { std: "docker" "start" "-a" "1da6326a19dfc00f05f92a4f404d84a085cdbef93217f428082c7695a35f9bf8", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking bytemuck v1.17.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]     Checking smart-leds-trait v0.2.1
[INFO] [stderr]     Checking ws2811-spi v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `RGBW`
[INFO] [stdout]   --> src/prerendered.rs:12:46
[INFO] [stdout]    |
[INFO] [stdout] 12 | use smart_leds_trait::{SmartLedsWrite, RGB8, RGBW};
[INFO] [stdout]    |                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RGBW`
[INFO] [stdout]   --> src/prerendered.rs:12:46
[INFO] [stdout]    |
[INFO] [stdout] 12 | use smart_leds_trait::{SmartLedsWrite, RGB8, RGBW};
[INFO] [stdout]    |                                              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "1da6326a19dfc00f05f92a4f404d84a085cdbef93217f428082c7695a35f9bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da6326a19dfc00f05f92a4f404d84a085cdbef93217f428082c7695a35f9bf8", kill_on_drop: false }`
[INFO] [stdout] 1da6326a19dfc00f05f92a4f404d84a085cdbef93217f428082c7695a35f9bf8