On Sun, May 06, 2018 at 07:27:46PM +0000, Nils Gillmann wrote:
> I have inserted a build log of a failing test from
> GNUnet commit f13af7e7281064380def70d0b4392b4351211655

[...]

> TEST: Viewing all stats...FAIL: unexpected output:
>       osystem                                              other:               43
>     subsystem                                               test:               42
> !test-statistics-api                                             test-3:                3
> 
> FAIL test_gnunet_statistics.py (exit status: 1)

[...]

> Human addition:
> make[4]: *** [Makefile:1074: test-suite.log] Error 1
> make[4]: Leaving directory '/tmp/guix-build-gnunet-git1.drv-0/source/src/statistics'
> make[3]: *** [Makefile:1182: check-TESTS] Error 2
> make[3]: Leaving directory '/tmp/guix-build-gnunet-git1.drv-0/source/src/statistics'
> make[2]: *** [Makefile:1281: check-am] Error 2
> make[2]: Leaving directory '/tmp/guix-build-gnunet-git1.drv-0/source/src/statistics'
> make[1]: *** [Makefile:550: check-recursive] Error 1
> make[1]: Leaving directory '/tmp/guix-build-gnunet-git1.drv-0/source/src'
> make: *** [Makefile:591: check-recursive] Error 1
> phase `set-path-for-check' failed after 29.2 seconds
> note: keeping build directory `/tmp/guix-build-gnunet-git1.drv-0'
> builder for `/gnu/store/daqbvvd3zq2w1aw6w4yz5qm7s5k247ap-gnunet-git1.drv' failed with exit code 1
> @ build-failed /gnu/store/daqbvvd3zq2w1aw6w4yz5qm7s5k247ap-gnunet-git1.drv - 1 builder for `/gnu/store/daqbvvd3zq2w1aw6w4yz5qm7s5k247ap-gnunet-git1.drv' failed with exit code 1
> guix build: error: build failed: build of `/gnu/store/daqbvvd3zq2w1aw6w4yz5qm7s5k247ap-gnunet-git1.drv' failed

[...]

> With this we get filenames like:
> /tmp/guix-build-gnunet-git1.drv-0/gnunet/test-gnunet-statistics/.local/share/gnunet/statistics.dat
> which is an average length. When you just do it in /tmp, you won't experience any difficulties.

That path is only 98 characters long. What limit do you think it is
exceeding?