1 error: extern declarations without an explicit ABI are deprecated
2 --> $DIR/cli-lint-override.rs:12:1
4 LL | extern fn foo() {}
5 | ^^^^^^^^^^^^^^^ ABI should be specified here
7 = note: requested on the command line with `-F missing-abi`
8 = help: the default ABI is C
10 error: aborting due to previous error