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This fixes an issue, with
proc-macro2
in a minimal version build:cargo +nightly update -Z minimal-versions
Found out at https://github.com/stm32-rs/stm32f3xx-hal/actions/runs/7016287690/job/19087185399?pr=349, which pulls proc-macro
v1.0.55
(this crate might however not be the cause of this issue)
num_enum_derive
has a newer version, which fixes the issue https://github.com/illicitonion/num_enum/blob/a80fa1ef9d1c23995650e9446b1b0721289a2cbd/num_enum_derive/Cargo.toml#L35