[INFO] fetching crate ws2812-uart 0.2.0...
[INFO] testing ws2812-uart-0.2.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ws2812-uart 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate ws2812-uart 0.2.0
[INFO] finished tweaking crates.io crate ws2812-uart 0.2.0
[INFO] tweaked toml for crates.io crate ws2812-uart 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ws2812-uart 0.2.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ws2812-uart 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c51b3b1499a88a2a577b83502f354c2662ac9a217f9fc4ed9e9e6373b92aaa71
[INFO] running `Command { std: "docker" "start" "-a" "c51b3b1499a88a2a577b83502f354c2662ac9a217f9fc4ed9e9e6373b92aaa71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c51b3b1499a88a2a577b83502f354c2662ac9a217f9fc4ed9e9e6373b92aaa71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c51b3b1499a88a2a577b83502f354c2662ac9a217f9fc4ed9e9e6373b92aaa71", kill_on_drop: false }`
[INFO] [stdout] c51b3b1499a88a2a577b83502f354c2662ac9a217f9fc4ed9e9e6373b92aaa71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c82908c1f085cb7a8a42aec960a94b096fdfa24710b8b421a4b94728afcb8ad3
[INFO] running `Command { std: "docker" "start" "-a" "c82908c1f085cb7a8a42aec960a94b096fdfa24710b8b421a4b94728afcb8ad3", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling bytemuck v1.8.0
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling rgb v0.8.32
[INFO] [stderr]    Compiling smart-leds-trait v0.3.1
[INFO] [stderr]    Compiling ws2812-uart v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "c82908c1f085cb7a8a42aec960a94b096fdfa24710b8b421a4b94728afcb8ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82908c1f085cb7a8a42aec960a94b096fdfa24710b8b421a4b94728afcb8ad3", kill_on_drop: false }`
[INFO] [stdout] c82908c1f085cb7a8a42aec960a94b096fdfa24710b8b421a4b94728afcb8ad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 764b62816d472b614bfc591bc5a56519f8b349739896f97c72809c5c57f2da67
[INFO] running `Command { std: "docker" "start" "-a" "764b62816d472b614bfc591bc5a56519f8b349739896f97c72809c5c57f2da67", kill_on_drop: false }`
[INFO] [stderr]    Compiling ws2812-uart v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "764b62816d472b614bfc591bc5a56519f8b349739896f97c72809c5c57f2da67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764b62816d472b614bfc591bc5a56519f8b349739896f97c72809c5c57f2da67", kill_on_drop: false }`
[INFO] [stdout] 764b62816d472b614bfc591bc5a56519f8b349739896f97c72809c5c57f2da67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a7c1f46da315e92c1fb0f787e4162e40dd13c4f81e15463823b79d049fe55b01
[INFO] running `Command { std: "docker" "start" "-a" "a7c1f46da315e92c1fb0f787e4162e40dd13c4f81e15463823b79d049fe55b01", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ws2812_uart-88893887d2c18dd9)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests ws2812_uart
[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" "a7c1f46da315e92c1fb0f787e4162e40dd13c4f81e15463823b79d049fe55b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7c1f46da315e92c1fb0f787e4162e40dd13c4f81e15463823b79d049fe55b01", kill_on_drop: false }`
[INFO] [stdout] a7c1f46da315e92c1fb0f787e4162e40dd13c4f81e15463823b79d049fe55b01