src/test/ui/crate-loading/missing-std.stderr

   1 error[E0463]: can't find crate for `core`
   2   --> $DIR/missing-std.rs:5:1
   3    |
   4 LL | extern crate core;
   5    | ^^^^^^^^^^^^^^^^^^ can't find crate
   6    |
   7    = note: the `x86_64-unknown-uefi` target may not be installed
   8    = help: consider downloading the target with `rustup target add x86_64-unknown-uefi`
   9    = help: consider building the standard library from source with `cargo build -Zbuild-std`
  10
  11 error: aborting due to previous error
  12
  13 For more information about this error, try `rustc --explain E0463`.