[INFO] fetching crate pimoroni-servo2040 0.5.0...
[INFO] testing pimoroni-servo2040-0.5.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pimoroni-servo2040 0.5.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate pimoroni-servo2040 0.5.0
[INFO] finished tweaking crates.io crate pimoroni-servo2040 0.5.0
[INFO] tweaked toml for crates.io crate pimoroni-servo2040 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pimoroni-servo2040 0.5.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pimoroni-servo2040 0.5.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdab1ceae898cf865b89ace47b7c60f3fa9131f543ffb2e0ce3f74727b616154
[INFO] running `Command { std: "docker" "start" "-a" "bdab1ceae898cf865b89ace47b7c60f3fa9131f543ffb2e0ce3f74727b616154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdab1ceae898cf865b89ace47b7c60f3fa9131f543ffb2e0ce3f74727b616154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdab1ceae898cf865b89ace47b7c60f3fa9131f543ffb2e0ce3f74727b616154", kill_on_drop: false }`
[INFO] [stdout] bdab1ceae898cf865b89ace47b7c60f3fa9131f543ffb2e0ce3f74727b616154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e9bd1a7f020cc429ad171e16f95cf654cf02df5add2c8a8f8c6ce41a585066c
[INFO] running `Command { std: "docker" "start" "-a" "7e9bd1a7f020cc429ad171e16f95cf654cf02df5add2c8a8f8c6ce41a585066c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling frunk_core v0.4.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]    Compiling debug-helper v0.3.13
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling crc-any v2.4.3
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling rp2040-pac v0.6.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling gcd v2.2.0
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling critical-section v1.1.2
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling fugit v0.3.7
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling embedded-dma v0.2.0
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling pimoroni-servo2040 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitfield v0.14.0
[INFO] [stderr]    Compiling rp2040-boot2 v0.3.0
[INFO] [stderr]    Compiling embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling usb-device v0.3.2
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.2
[INFO] [stderr]    Compiling frunk_derives v0.4.2
[INFO] [stderr]    Compiling frunk v0.4.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]    Compiling num_enum v0.5.7
[INFO] [stderr]    Compiling pio v0.2.1
[INFO] [stderr]    Compiling rp2040-hal-macros v0.1.0
[INFO] [stderr]    Compiling rp2040-hal v0.10.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.81s
[INFO] running `Command { std: "docker" "inspect" "7e9bd1a7f020cc429ad171e16f95cf654cf02df5add2c8a8f8c6ce41a585066c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e9bd1a7f020cc429ad171e16f95cf654cf02df5add2c8a8f8c6ce41a585066c", kill_on_drop: false }`
[INFO] [stdout] 7e9bd1a7f020cc429ad171e16f95cf654cf02df5add2c8a8f8c6ce41a585066c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3bfb56564d6808ce76d4b392653d861ea6ea763416780c19f2f847391dccb1e
[INFO] running `Command { std: "docker" "start" "-a" "e3bfb56564d6808ce76d4b392653d861ea6ea763416780c19f2f847391dccb1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling defmt-macros v0.3.3
[INFO] [stderr]    Compiling defmt v0.3.6
[INFO] [stderr]    Compiling defmt-parser v0.3.1
[INFO] [stderr]    Compiling bytemuck v1.12.3
[INFO] [stderr]    Compiling defmt-rtt v0.4.0
[INFO] [stderr]    Compiling panic-halt v0.2.0
[INFO] [stderr]    Compiling rgb v0.8.34
[INFO] [stderr]    Compiling smart-leds-trait v0.2.1
[INFO] [stderr]    Compiling smart-leds v0.3.0
[INFO] [stderr]    Compiling rp2040-hal v0.10.0
[INFO] [stderr]    Compiling ws2812-pio v0.8.0
[INFO] [stderr]    Compiling pimoroni-servo2040 v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pimoroni-servo2040` (example "pimoroni_servo2040_rainbow") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pimoroni-servo2040` (example "pimoroni_servo2040_pwm_servo") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e3bfb56564d6808ce76d4b392653d861ea6ea763416780c19f2f847391dccb1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3bfb56564d6808ce76d4b392653d861ea6ea763416780c19f2f847391dccb1e", kill_on_drop: false }`
[INFO] [stdout] e3bfb56564d6808ce76d4b392653d861ea6ea763416780c19f2f847391dccb1e
