[INFO] fetching crate ws2811-spi 0.1.5...
[INFO] checking ws2811-spi-0.1.5 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate ws2811-spi 0.1.5 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ws2811-spi 0.1.5 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "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-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04031e34d5f84ab31af2a309d33f1d3af6fe52be14573f4e38ed32db64498f54
[INFO] running `Command { std: "docker" "start" "-a" "04031e34d5f84ab31af2a309d33f1d3af6fe52be14573f4e38ed32db64498f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04031e34d5f84ab31af2a309d33f1d3af6fe52be14573f4e38ed32db64498f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04031e34d5f84ab31af2a309d33f1d3af6fe52be14573f4e38ed32db64498f54", kill_on_drop: false }`
[INFO] [stdout] 04031e34d5f84ab31af2a309d33f1d3af6fe52be14573f4e38ed32db64498f54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4222f1a057207cc81b5777e14bfb5f8b170cf4052b9b7bcc5cb91c2fb90cd8f
[INFO] running `Command { std: "docker" "start" "-a" "d4222f1a057207cc81b5777e14bfb5f8b170cf4052b9b7bcc5cb91c2fb90cd8f", kill_on_drop: false }`
[INFO] [stderr]     Checking bytemuck v1.17.1
[INFO] [stderr]     Checking nb v1.1.0
[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 1.19s
[INFO] running `Command { std: "docker" "inspect" "d4222f1a057207cc81b5777e14bfb5f8b170cf4052b9b7bcc5cb91c2fb90cd8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4222f1a057207cc81b5777e14bfb5f8b170cf4052b9b7bcc5cb91c2fb90cd8f", kill_on_drop: false }`
[INFO] [stdout] d4222f1a057207cc81b5777e14bfb5f8b170cf4052b9b7bcc5cb91c2fb90cd8f