error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
  --> $DIR/not-an-allocator.rs:5:11
   |
LL | #[global_allocator]
   | ------------------- in this attribute macro expansion
LL | static A: usize = 0;
   |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
   |
help: the trait `GlobalAlloc` is implemented for `System`
  --> $SRC_DIR/std/src/sys/alloc/unix.rs:LL:COL

error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
  --> $DIR/not-an-allocator.rs:5:11
   |
LL | #[global_allocator]
   | ------------------- in this attribute macro expansion
LL | static A: usize = 0;
   |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
   |
help: the trait `GlobalAlloc` is implemented for `System`
  --> $SRC_DIR/std/src/sys/alloc/unix.rs:LL:COL
   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`

error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
  --> $DIR/not-an-allocator.rs:5:11
   |
LL | #[global_allocator]
   | ------------------- in this attribute macro expansion
LL | static A: usize = 0;
   |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
   |
help: the trait `GlobalAlloc` is implemented for `System`
  --> $SRC_DIR/std/src/sys/alloc/unix.rs:LL:COL
   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`

error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
  --> $DIR/not-an-allocator.rs:5:11
   |
LL | #[global_allocator]
   | ------------------- in this attribute macro expansion
LL | static A: usize = 0;
   |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
   |
help: the trait `GlobalAlloc` is implemented for `System`
  --> $SRC_DIR/std/src/sys/alloc/unix.rs:LL:COL
   = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`

error: aborting due to 4 previous errors

For more information about this error, try `rustc --explain E0277`.