[INFO] fetching crate ws2818-rgb-led-spi-driver 2.0.0...
[INFO] testing ws2818-rgb-led-spi-driver-2.0.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate ws2818-rgb-led-spi-driver 2.0.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate ws2818-rgb-led-spi-driver 2.0.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ws2818-rgb-led-spi-driver 2.0.0
[INFO] finished tweaking crates.io crate ws2818-rgb-led-spi-driver 2.0.0
[INFO] tweaked toml for crates.io crate ws2818-rgb-led-spi-driver 2.0.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spidev v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0507243416a9bbaa0de4f263e769a9c3783d005b0381e766aad7d45ece188d0b
[INFO] running `Command { std: "docker" "start" "-a" "0507243416a9bbaa0de4f263e769a9c3783d005b0381e766aad7d45ece188d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0507243416a9bbaa0de4f263e769a9c3783d005b0381e766aad7d45ece188d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0507243416a9bbaa0de4f263e769a9c3783d005b0381e766aad7d45ece188d0b", kill_on_drop: false }`
[INFO] [stdout] 0507243416a9bbaa0de4f263e769a9c3783d005b0381e766aad7d45ece188d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bb9c9d09587c3a304aa869f8e61fb19116617f9b016b634ea4258a39e8d100a
[INFO] running `Command { std: "docker" "start" "-a" "4bb9c9d09587c3a304aa869f8e61fb19116617f9b016b634ea4258a39e8d100a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling spidev v0.4.1
[INFO] [stderr]    Compiling ws2818-rgb-led-spi-driver v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::encoding::encode_rgb_slice`
[INFO] [stdout]  --> src/adapter_spi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::encoding::encode_rgb_slice;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::fmt::format`
[INFO] [stdout]  --> src/adapter_spi.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use alloc::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.72s
[INFO] running `Command { std: "docker" "inspect" "4bb9c9d09587c3a304aa869f8e61fb19116617f9b016b634ea4258a39e8d100a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb9c9d09587c3a304aa869f8e61fb19116617f9b016b634ea4258a39e8d100a", kill_on_drop: false }`
[INFO] [stdout] 4bb9c9d09587c3a304aa869f8e61fb19116617f9b016b634ea4258a39e8d100a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a17d1ca9a23eb37f867f7f2bd0ef133cde045a740a9ef6c2f4a377cd4137cab
[INFO] running `Command { std: "docker" "start" "-a" "3a17d1ca9a23eb37f867f7f2bd0ef133cde045a740a9ef6c2f4a377cd4137cab", kill_on_drop: false }`
[INFO] [stderr]    Compiling ws2818-rgb-led-spi-driver v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::encoding::encode_rgb_slice`
[INFO] [stdout]  --> src/adapter_spi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::encoding::encode_rgb_slice;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::fmt::format`
[INFO] [stdout]  --> src/adapter_spi.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use alloc::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::encoding::encode_rgb_slice`
[INFO] [stdout]  --> src/adapter_spi.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::encoding::encode_rgb_slice;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `alloc::fmt::format`
[INFO] [stdout]  --> src/adapter_spi.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use alloc::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "3a17d1ca9a23eb37f867f7f2bd0ef133cde045a740a9ef6c2f4a377cd4137cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a17d1ca9a23eb37f867f7f2bd0ef133cde045a740a9ef6c2f4a377cd4137cab", kill_on_drop: false }`
[INFO] [stdout] 3a17d1ca9a23eb37f867f7f2bd0ef133cde045a740a9ef6c2f4a377cd4137cab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c2896a6eec4a99b9bc82e69dfdb82f373c0ace8fd4d9e0b45da3c161b734734
[INFO] running `Command { std: "docker" "start" "-a" "7c2896a6eec4a99b9bc82e69dfdb82f373c0ace8fd4d9e0b45da3c161b734734", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `crate::encoding::encode_rgb_slice`
[INFO] [stderr]  --> src/adapter_spi.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::encoding::encode_rgb_slice;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `alloc::fmt::format`
[INFO] [stderr]  --> src/adapter_spi.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use alloc::fmt::format;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ws2818-rgb-led-spi-driver` (lib) generated 2 warnings
[INFO] [stderr] warning: `ws2818-rgb-led-spi-driver` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ws2818_rgb_led_spi_driver-3eb3de47423773a6)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ws2818-rgb-led-spi-driver
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c2896a6eec4a99b9bc82e69dfdb82f373c0ace8fd4d9e0b45da3c161b734734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c2896a6eec4a99b9bc82e69dfdb82f373c0ace8fd4d9e0b45da3c161b734734", kill_on_drop: false }`
[INFO] [stdout] 7c2896a6eec4a99b9bc82e69dfdb82f373c0ace8fd4d9e0b45da3c161b734734