Adjust .stderr files

5 jobs for master in 3 minutes and 20 seconds
Status Name Job ID Coverage
  Test
failed test-1.31.0 #1607286341

00:01:35

passed test-beta #1607286336

00:02:31

passed test-fmt #1607286344

00:01:34

passed test-nightly #1607286337

00:02:29

passed test-stable #1607286334

00:03:20

 
Name Stage Failure
failed
test-1.31.0 Test
   |                                                         ^^^^^^^^^^^^

error: aborting due to previous error

For more information about this error, try `rustc --explain E0658`.
error: Could not compile `trybuild`.

To learn more, run the command again with --verbose.
Cleaning up file based variables
ERROR: Job failed: exit code 1