When building Guix from master (currently that's commit
0ca0ce53a801702f6f56d68289675d4b448e026a) with make check I get the
following output:

~~~~~~~~~~~~~~~~~~~~~~~
PASS: tests/base32.scm
PASS: tests/base64.scm
PASS: tests/hash.scm
PASS: tests/pk-crypto.scm
PASS: tests/pki.scm
PASS: tests/sets.scm
PASS: tests/substitute-binary.scm
FAIL: tests/builders.scm
FAIL: tests/derivations.scm
PASS: tests/ui.scm
PASS: tests/records.scm
PASS: tests/utils.scm
FAIL: tests/build-utils.scm
FAIL: tests/packages.scm
PASS: tests/snix.scm
FAIL: tests/store.scm
PASS: tests/monads.scm
FAIL: tests/gexp.scm
PASS: tests/nar.scm
FAIL: tests/union.scm
FAIL: tests/profiles.scm
PASS: tests/syscalls.scm
PASS: tests/lint.scm
FAIL: tests/guix-build.sh
PASS: tests/guix-download.sh
PASS: tests/guix-hash.sh
FAIL: tests/guix-package.sh
PASS: tests/guix-system.sh
FAIL: tests/guix-archive.sh
PASS: tests/guix-authenticate.sh
PASS: tests/guix-lint.sh
FAIL: tests/guix-register.sh
FAIL: tests/guix-gc.sh
PASS: tests/guix-daemon.sh
make[5]: Entering directory `/localhome/rwurmus-tmp/guix'
make  all-recursive
make[6]: Entering directory `/localhome/rwurmus-tmp/guix'
Making all in po/guix
make[7]: Entering directory `/localhome/rwurmus-tmp/guix/po/guix'
make[7]: Leaving directory `/localhome/rwurmus-tmp/guix/po/guix'
Making all in po/packages
make[7]: Entering directory `/localhome/rwurmus-tmp/guix/po/packages'
make[7]: Leaving directory `/localhome/rwurmus-tmp/guix/po/packages'
make[7]: Entering directory `/localhome/rwurmus-tmp/guix'
make[7]: Leaving directory `/localhome/rwurmus-tmp/guix'
make[6]: Leaving directory `/localhome/rwurmus-tmp/guix'
make[5]: Leaving directory `/localhome/rwurmus-tmp/guix'
============================================================================
Testsuite summary for GNU Guix 0.8.1
============================================================================
# TOTAL: 34
# PASS:  21
# SKIP:  0
# XFAIL: 0
# FAIL:  13
# XPASS: 0
# ERROR: 0
============================================================================
See ./test-suite.log
Please report to bug-guix@gnu.org
============================================================================
make[4]: *** [test-suite.log] Error 1
make[4]: Leaving directory `/localhome/rwurmus-tmp/guix'
make[3]: *** [check-TESTS] Error 2
make[3]: Leaving directory `/localhome/rwurmus-tmp/guix'
make[2]: *** [check-am] Error 2
make[2]: Leaving directory `/localhome/rwurmus-tmp/guix'
make[1]: *** [check-recursive] Error 1
make[1]: Leaving directory `/localhome/rwurmus-tmp/guix'
make: *** [check] Error 2
~~~~~~~~~~~~~~~~~~~~~~~

Attached is a tarball containing the logs.

~~ Ricardo