[INFO] fetching crate ws2818-rgb-led-spi-driver 2.0.0...
[INFO] testing ws2818-rgb-led-spi-driver-2.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ws2818-rgb-led-spi-driver 2.0.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate ws2818-rgb-led-spi-driver 2.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5db5fcd11e4c1096f77bc434e1b75fe6236c95637791fd2e5b3b107d2b264ea6
[INFO] running `Command { std: "docker" "start" "-a" "5db5fcd11e4c1096f77bc434e1b75fe6236c95637791fd2e5b3b107d2b264ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5db5fcd11e4c1096f77bc434e1b75fe6236c95637791fd2e5b3b107d2b264ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db5fcd11e4c1096f77bc434e1b75fe6236c95637791fd2e5b3b107d2b264ea6", kill_on_drop: false }`
[INFO] [stdout] 5db5fcd11e4c1096f77bc434e1b75fe6236c95637791fd2e5b3b107d2b264ea6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d20c7d70f6ced22dc5464f8686eca9b8d042b608d9dea7ae05e4431cf545e523
[INFO] running `Command { std: "docker" "start" "-a" "d20c7d70f6ced22dc5464f8686eca9b8d042b608d9dea7ae05e4431cf545e523", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.3.2
[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 5.89s
[INFO] running `Command { std: "docker" "inspect" "d20c7d70f6ced22dc5464f8686eca9b8d042b608d9dea7ae05e4431cf545e523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20c7d70f6ced22dc5464f8686eca9b8d042b608d9dea7ae05e4431cf545e523", kill_on_drop: false }`
[INFO] [stdout] d20c7d70f6ced22dc5464f8686eca9b8d042b608d9dea7ae05e4431cf545e523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f6665098e8e51df159a91b1d680e20b17008c4b41702dd8dd374854b7e17ed9
[INFO] running `Command { std: "docker" "start" "-a" "3f6665098e8e51df159a91b1d680e20b17008c4b41702dd8dd374854b7e17ed9", kill_on_drop: false }`
[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] [stderr]    Compiling ws2818-rgb-led-spi-driver v2.0.0 (/opt/rustwide/workdir)
[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 0.62s
[INFO] running `Command { std: "docker" "inspect" "3f6665098e8e51df159a91b1d680e20b17008c4b41702dd8dd374854b7e17ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6665098e8e51df159a91b1d680e20b17008c4b41702dd8dd374854b7e17ed9", kill_on_drop: false }`
[INFO] [stdout] 3f6665098e8e51df159a91b1d680e20b17008c4b41702dd8dd374854b7e17ed9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39f4417691596dbb62523c1d83716e2e0393bf4837fc930c69e22bf73f1793da
[INFO] running `Command { std: "docker" "start" "-a" "39f4417691596dbb62523c1d83716e2e0393bf4837fc930c69e22bf73f1793da", 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-ecf1359ef1fb5f28)
[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] [stderr]    Doc-tests ws2818-rgb-led-spi-driver
[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" "39f4417691596dbb62523c1d83716e2e0393bf4837fc930c69e22bf73f1793da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f4417691596dbb62523c1d83716e2e0393bf4837fc930c69e22bf73f1793da", kill_on_drop: false }`
[INFO] [stdout] 39f4417691596dbb62523c1d83716e2e0393bf4837fc930c69e22bf73f1793da