[INFO] fetching crate mwatch-kernel-stm32l4 2.0.0...
[INFO] testing mwatch-kernel-stm32l4-2.0.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mwatch-kernel-stm32l4 2.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate mwatch-kernel-stm32l4 2.0.0
[INFO] finished tweaking crates.io crate mwatch-kernel-stm32l4 2.0.0
[INFO] tweaked toml for crates.io crate mwatch-kernel-stm32l4 2.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mwatch-kernel-stm32l4 2.0.0 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 mwatch-kernel-stm32l4 2.0.0 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-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] ed470109f45be922f59c8d50806e2186ded6af85f499dbef1744f6e8640d9c73
[INFO] running `Command { std: "docker" "start" "-a" "ed470109f45be922f59c8d50806e2186ded6af85f499dbef1744f6e8640d9c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed470109f45be922f59c8d50806e2186ded6af85f499dbef1744f6e8640d9c73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed470109f45be922f59c8d50806e2186ded6af85f499dbef1744f6e8640d9c73", kill_on_drop: false }`
[INFO] [stdout] ed470109f45be922f59c8d50806e2186ded6af85f499dbef1744f6e8640d9c73
[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] e866cf1446b3f68a50e600adda8bd5b77076b41ad90b6c4144ca0080d80a8494
[INFO] running `Command { std: "docker" "start" "-a" "e866cf1446b3f68a50e600adda8bd5b77076b41ad90b6c4144ca0080d80a8494", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling cortex-m v0.7.6
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling volatile-register v0.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling bitfield v0.13.2
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cortex-m-rt v0.6.15
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling heapless v0.4.4
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling generic-array v0.11.2
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling r0 v0.2.2
[INFO] [stderr]    Compiling aligned v0.3.5
[INFO] [stderr]    Compiling cortex-m v0.5.11
[INFO] [stderr]    Compiling stm32l4 v0.8.0
[INFO] [stderr]    Compiling heapless v0.6.1
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling embedded-graphics v0.6.2
[INFO] [stderr]    Compiling cortex-m-rtic v0.5.9
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling micromath v1.1.1
[INFO] [stderr]    Compiling ufmt-write v0.1.0
[INFO] [stderr]    Compiling aligned v0.2.0
[INFO] [stderr]    Compiling rtt-target v0.3.1
[INFO] [stderr]    Compiling embedded-graphics-core v0.3.3
[INFO] [stderr]    Compiling time v0.3.17
[INFO] [stderr]    Compiling simple-hex v0.1.0
[INFO] [stderr]    Compiling mwatch-kernel-stm32l4 v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling rtic-core v0.3.1
[INFO] [stderr]    Compiling hm11 v0.2.1
[INFO] [stderr]    Compiling cortex-m-log v0.4.0
[INFO] [stderr]    Compiling panic-rtt-target v0.1.2
[INFO] [stderr]    Compiling max17048 v0.1.0
[INFO] [stderr]    Compiling ssd1351 v0.3.0
[INFO] [stderr]    Compiling embedded-graphics v0.7.1
[INFO] [stderr]    Compiling ssd1351 v0.4.2
[INFO] [stderr]    Compiling mwatch_kernel v2.0.0
[INFO] [stderr]    Compiling rtic-syntax v0.4.0
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.6.15
[INFO] [stderr]    Compiling cortex-m-rtic-macros v0.5.3
[INFO] [stderr]    Compiling stm32l4xx-hal v0.5.0
[INFO] [stdout] warning: unexpected `cfg` condition name: `core`
[INFO] [stdout]   --> src/main.rs:73:1
[INFO] [stdout]    |
[INFO] [stdout] 73 | #[app(device = crate::hal::stm32, peripherals = true)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a attribute macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `app` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the attribute macro `app` may come from an old version of the `cortex_m_rtic_macros` crate, try updating your dependency with `cargo update -p cortex_m_rtic_macros`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the attribute macro `app` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `mwatch-kernel-stm32l4` (bin "mwatch-kernel-stm32l4") due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e866cf1446b3f68a50e600adda8bd5b77076b41ad90b6c4144ca0080d80a8494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e866cf1446b3f68a50e600adda8bd5b77076b41ad90b6c4144ca0080d80a8494", kill_on_drop: false }`
[INFO] [stdout] e866cf1446b3f68a50e600adda8bd5b77076b41ad90b6c4144ca0080d80a8494
