std_instead_of_core: avoid lint inside of proc-macro

[koka831]

• fixes std_instead_of_core error with thiserror::Error #10198

note: The lint for the reported thiserror::Error has been suppressed by Don't lint unstable moves in std_instead_of_core because thiserror::Error internally implements std::error::Error for (derived struct).

changelog: [std_intead_of_core]: avoid linting inside proc-macro

I confirmed this change fixes the problem:

test result without the change

error: used import from `std` instead of `core`
  --> tests/ui/std_instead_of_core.rs:65:14
   |
LL |     #[derive(ImplStructWithStdDisplay)]
   |              ^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: this error originates in the derive macro `ImplStructWithStdDisplay` (in Nightly builds, run with -Z macro-backtrace for more info)

[rustbot]

r? @giraffate

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[giraffate]

@bors r+

Thanks!

[bors]

📌 Commit d5cc97e has been approved by giraffate

It is now in the queue for this repository.

[bors]

⌛ Testing commit d5cc97e with merge 81400e2...

[bors]

☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test
Approved by: giraffate
Pushing 81400e2 to master...