[INFO] fetching crate nucleo-h743zi 0.2.1...
[INFO] testing nucleo-h743zi-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate nucleo-h743zi 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate nucleo-h743zi 0.2.1
[INFO] finished tweaking crates.io crate nucleo-h743zi 0.2.1
[INFO] tweaked toml for crates.io crate nucleo-h743zi 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nucleo-h743zi 0.2.1 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 nucleo-h743zi 0.2.1 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1a5fcd99725c367818807c747ee732e02469838873c88c98c768c99c2b8228a0
[INFO] running `Command { std: "docker" "start" "-a" "1a5fcd99725c367818807c747ee732e02469838873c88c98c768c99c2b8228a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a5fcd99725c367818807c747ee732e02469838873c88c98c768c99c2b8228a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5fcd99725c367818807c747ee732e02469838873c88c98c768c99c2b8228a0", kill_on_drop: false }`
[INFO] [stdout] 1a5fcd99725c367818807c747ee732e02469838873c88c98c768c99c2b8228a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 989fa5adaf493c905da6141a741350621f9f4d6ee95b2fb5d120182ef32ee737
[INFO] running `Command { std: "docker" "start" "-a" "989fa5adaf493c905da6141a741350621f9f4d6ee95b2fb5d120182ef32ee737", kill_on_drop: false }`
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling defmt v0.3.2
[INFO] [stderr]    Compiling critical-section v1.1.1
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling defmt-macros v0.3.3
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling defmt-parser v0.3.1
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling stm32h7 v0.15.1
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bare-metal v1.0.0
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling spin v0.9.5
[INFO] [stderr]    Compiling cortex-m-rtic v1.1.4
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling gcd v2.3.0
[INFO] [stderr]    Compiling panic-probe v0.3.0
[INFO] [stderr]    Compiling defmt-rtt v0.4.0
[INFO] [stderr]    Compiling embedded-dma v0.2.0
[INFO] [stderr]    Compiling rtic-monotonic v1.0.0
[INFO] [stderr]    Compiling fugit v0.3.6
[INFO] [stderr]    Compiling rtic-core v1.0.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling rtic-syntax v1.0.3
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling cortex-m-rtic-macros v1.1.6
[INFO] [stderr]    Compiling stm32h7xx-hal v0.13.1
[INFO] [stderr]    Compiling nucleo-h743zi v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[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 `nucleo-h743zi` (bin "spi") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[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 `nucleo-h743zi` (bin "serial") due to 2 previous errors
[INFO] [stderr] error: could not compile `nucleo-h743zi` (bin "rtic") due to 2 previous errors
[INFO] [stderr] error: could not compile `nucleo-h743zi` (bin "blinky") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "989fa5adaf493c905da6141a741350621f9f4d6ee95b2fb5d120182ef32ee737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "989fa5adaf493c905da6141a741350621f9f4d6ee95b2fb5d120182ef32ee737", kill_on_drop: false }`
[INFO] [stdout] 989fa5adaf493c905da6141a741350621f9f4d6ee95b2fb5d120182ef32ee737