https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119363
Bug ID: 119363 Summary: [15 Regression] gccrs fails to build, error[E0554]: `#![feature]` may not be used on the stable release channel Product: gcc Version: 14.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rust Assignee: unassigned at gcc dot gnu.org Reporter: doko at gcc dot gnu.org CC: dkm at gcc dot gnu.org, gcc-rust at gcc dot gnu.org, pierre-emmanuel.patry at embecosm dot com Target Milestone: --- trunk 20250319 fails to build with Compiling ffi-polonius v0.1.0 (/home/packages/gcc/15/gcc-15-15-20250319/src/gcc/rust/checks/errors/borrowck/ffi-polonius) error[E0554]: `#![feature]` may not be used on the stable release channel --> src/lib.rs:19:1 | 19 | #![feature(extern_types)] | ^^^^^^^^^^^^^^^^^^^^^^^^^