[ccan] Test failure

[Rusty Russell]

Ian Zimmerman <itz at very.loosely.org> writes:
> Trying to run make check on current master, I get:
>
> [many successful tests snipped]
>
> tools/ccanlint/ccanlint -s --deps-fail-ignore   ccan/io/ && touch ccan/io/.ok
> io: Module examples with expected output give that output (examples_run): FAIL
> /tmp/ccanlint-24192.1804289383/example-_info-io.c:2:output '' didn't match 'tr a-z a-z'
>
> io: Total score: 82/87 FAIL!
> make: *** [Makefile:78: ccan/io/.ok] Error 1
>
> What's up?

Hmm, can't reproduce here.

Can you run this test manually?

  $ tools/ccanlint/ccanlint -k --target=examples_run ccan/io
  $ echo tr A-Z a-z | strace /tmp/ccanlint-*/example-_info-io tr A-Z a-z

The output should show what's going wrong.

Thanks!
Rusty.