[INFO] fetching crate ws2811-spi 0.1.5...
[INFO] building ws2811-spi-0.1.5 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate ws2811-spi 0.1.5 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ws2811-spi 0.1.5 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a73793368c5961fd46b8e176f3c84ae6716647faeaf7656a5a875d2004fc3b69
[INFO] running `Command { std: "docker" "start" "-a" "a73793368c5961fd46b8e176f3c84ae6716647faeaf7656a5a875d2004fc3b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a73793368c5961fd46b8e176f3c84ae6716647faeaf7656a5a875d2004fc3b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73793368c5961fd46b8e176f3c84ae6716647faeaf7656a5a875d2004fc3b69", kill_on_drop: false }`
[INFO] [stdout] a73793368c5961fd46b8e176f3c84ae6716647faeaf7656a5a875d2004fc3b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e20b11fe2195f6202ce81258902ea97d4dadfbeec568341e6a5782c38c2562d8
[INFO] running `Command { std: "docker" "start" "-a" "e20b11fe2195f6202ce81258902ea97d4dadfbeec568341e6a5782c38c2562d8", kill_on_drop: false }`
[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 0.19s
[INFO] running `Command { std: "docker" "inspect" "e20b11fe2195f6202ce81258902ea97d4dadfbeec568341e6a5782c38c2562d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20b11fe2195f6202ce81258902ea97d4dadfbeec568341e6a5782c38c2562d8", kill_on_drop: false }`
[INFO] [stdout] e20b11fe2195f6202ce81258902ea97d4dadfbeec568341e6a5782c38c2562d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6af7652657dfb5b8025de1626ec25ef5a56644d2a7ef29b9b1da8014efce408f
[INFO] running `Command { std: "docker" "start" "-a" "6af7652657dfb5b8025de1626ec25ef5a56644d2a7ef29b9b1da8014efce408f", 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "6af7652657dfb5b8025de1626ec25ef5a56644d2a7ef29b9b1da8014efce408f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6af7652657dfb5b8025de1626ec25ef5a56644d2a7ef29b9b1da8014efce408f", kill_on_drop: false }`
[INFO] [stdout] 6af7652657dfb5b8025de1626ec25ef5a56644d2a7ef29b9b1da8014efce408f