Running:

  $ VERBOSE=yes make distcheck 2>&1 | tee dc.log

failed:

  ...
  ==============================================================
  Testsuite summary for GNU coreutils 8.14.116-1e18d
  ==============================================================
  # TOTAL: 466
  # PASS:  345
  # SKIP:  120
  # XFAIL: 0
  # FAIL:  1
  # XPASS: 0
  # ERROR: 0
  ==============================================================
  See tests/test-suite.log
  Please report to bug-coreutils@gnu.org
  ==============================================================
  ...
  make[3]: *** [check] Error 2
  make[3]: Leaving directory `/tmp/coreutils-8.14.116-1e18d/tests/torture/taint/a b/coreutils-8.14.116-1e18d'
  make[2]: *** [taint-distcheck] Error 2
  make[2]: Leaving directory `/tmp/coreutils-8.14.116-1e18d'
  make[1]: *** [distcheck-hook] Error 2
  make[1]: Leaving directory `/tmp/coreutils-8.14.116-1e18d'
  make: *** [distcheck] Error 1

The only failed test was `misc/timeout-group'.

Attached (compressed) are the dc.log file and the config.log file found in
`tests/torture/taint/a b/coreutils-8.14.116-1e18d/config.log'.  Let me know
if you need more information.

Regards,
  Stefano