error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
  --> $DIR/not-an-allocator.rs:2:11
   |
LL | #[global_allocator]
   | ------------------- in this procedural macro expansion
LL | static A: usize = 0;
   |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
   |
   = help: the trait `GlobalAlloc` is implemented for `System`
   = note: this error originates in the attribute macro `global_allocator` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
  --> $DIR/not-an-allocator.rs:2:11
   |
LL | #[global_allocator]
   | ------------------- in this procedural macro expansion
LL | static A: usize = 0;
   |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
   |
   = help: the trait `GlobalAlloc` is implemented for `System`
   = note: this error originates in the attribute macro `global_allocator` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
  --> $DIR/not-an-allocator.rs:2:11
   |
LL | #[global_allocator]
   | ------------------- in this procedural macro expansion
LL | static A: usize = 0;
   |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
   |
   = help: the trait `GlobalAlloc` is implemented for `System`
   = note: this error originates in the attribute macro `global_allocator` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0277]: the trait bound `usize: GlobalAlloc` is not satisfied
  --> $DIR/not-an-allocator.rs:2:11
   |
LL | #[global_allocator]
   | ------------------- in this procedural macro expansion
LL | static A: usize = 0;
   |           ^^^^^ the trait `GlobalAlloc` is not implemented for `usize`
   |
   = help: the trait `GlobalAlloc` is implemented for `System`
   = note: this error originates in the attribute macro `global_allocator` (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 4 previous errors

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