1 error: macro-expanded `extern crate` items cannot shadow names passed with `--extern`
2 --> $DIR/extern-prelude-extern-crate-fail.rs:16:9
4 LL | extern crate std as non_existent;
5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
7 LL | define_std_as_non_existent!();
8 | ----------------------------- in this macro invocation
10 = note: this error originates in the macro `define_std_as_non_existent` (in Nightly builds, run with -Z macro-backtrace for more info)
12 error[E0433]: failed to resolve: use of undeclared crate or module `two_macros`
13 --> $DIR/extern-prelude-extern-crate-fail.rs:10:9
15 LL | two_macros::m!();
16 | ^^^^^^^^^^ use of undeclared crate or module `two_macros`
18 error: aborting due to 2 previous errors
20 For more information about this error, try `rustc --explain E0433`.