remove use of feature(trait_upcasting) from core tests

WaffleLapkin · WaffleLapkin · commit 3c94d3e60f86 · 2025-02-06T23:44:23.000+01:00
diff --git a/library/coretests/tests/lib.rs b/library/coretests/tests/lib.rs
@@ -81,7 +81,6 @@
 #![feature(strict_provenance_atomic_ptr)]
 #![feature(strict_provenance_lints)]
 #![feature(test)]
-#![feature(trait_upcasting)]
 #![feature(trusted_len)]
 #![feature(trusted_random_access)]
 #![feature(try_blocks)]
