Fail when recoverable parser errors occurs in ignored files with rustfmt-recursive

[sasurau4]

Describe the bug

Fail when formatting recoverable parser errors occurs in ignored files with rustfmt-recursive.
I found it working #4113 with issue-3779/ice.rs

To Reproduce

1. Add // rustfmt-recursive: true to the head of tests/source/issue-3779/lib.rs
2. run cargo make test
3. Fail with following error

error: invalid suffix `x` for integer literal
 --> tests/source/issue-3779/ice.rs:2:5
  |
2 |     1x;
  |     ^^ invalid suffix `x`
  |
  = help: the suffix must be one of the integral types (`u32`, `isize`, etc)

Expected behavior

cargo make test passes

Meta

• rustfmt version: current master 81ad114

[calebcartwright]

Haven't had time to look at this closely but based on a quick glance my sense is that this is actually failing because the config/ignore settings aren't actually getting picked up, so rustfmt is attempting to parse the ice mod?

[sasurau4]

@calebcartwright Yes, you are right. rustfmt is attempting to parse the ice mod. It will be fixed by #4596