[INFO] fetching crate ws2811-spi 0.1.5...
[INFO] building ws2811-spi-0.1.5 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ws2811-spi 0.1.5 into /workspace/builds/worker-1-tc1/source
[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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ws2811-spi 0.1.5 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] [stderr]       Adding smart-leds-trait v0.2.1 (available: v0.3.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4765f518783708ca44057272fedb0d4c50d0c3a426632a72ab10d64e2a46cb27
[INFO] running `Command { std: "docker" "start" "-a" "4765f518783708ca44057272fedb0d4c50d0c3a426632a72ab10d64e2a46cb27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4765f518783708ca44057272fedb0d4c50d0c3a426632a72ab10d64e2a46cb27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4765f518783708ca44057272fedb0d4c50d0c3a426632a72ab10d64e2a46cb27", kill_on_drop: false }`
[INFO] [stdout] 4765f518783708ca44057272fedb0d4c50d0c3a426632a72ab10d64e2a46cb27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] befa4714035307792a8edf4624da0d3fc25c3eb53010703bbc0dae42152ec80e
[INFO] running `Command { std: "docker" "start" "-a" "befa4714035307792a8edf4624da0d3fc25c3eb53010703bbc0dae42152ec80e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling smart-leds-trait v0.2.1
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "befa4714035307792a8edf4624da0d3fc25c3eb53010703bbc0dae42152ec80e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befa4714035307792a8edf4624da0d3fc25c3eb53010703bbc0dae42152ec80e", kill_on_drop: false }`
[INFO] [stdout] befa4714035307792a8edf4624da0d3fc25c3eb53010703bbc0dae42152ec80e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96e1a98621dcc758e71141a1031cb028bb268d3c0f4e7480c3a17a76f4dfaba6
[INFO] running `Command { std: "docker" "start" "-a" "96e1a98621dcc758e71141a1031cb028bb268d3c0f4e7480c3a17a76f4dfaba6", kill_on_drop: false }`
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "96e1a98621dcc758e71141a1031cb028bb268d3c0f4e7480c3a17a76f4dfaba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96e1a98621dcc758e71141a1031cb028bb268d3c0f4e7480c3a17a76f4dfaba6", kill_on_drop: false }`
[INFO] [stdout] 96e1a98621dcc758e71141a1031cb028bb268d3c0f4e7480c3a17a76f4dfaba6