bug#26929: guix build errors

[someone]

Hi, this is my first email to this list.

I ran into build errors twice when running guix pull from the guixSD usb 
install image and was asked to report it:

Testsuite summary for GNU Guix
============================================================================
# TOTAL: 704
# PASS:  670
# SKIP:  32
# XFAIL: 0
# FAIL:  2
# XPASS: 0
# ERROR: 0
============================================================================
See ./test-suite.log
Please report to address@hidden
============================================================================
make[4]: *** [Makefile:4348: test-suite.log] Error 1
make[4]: Leaving directory '/tmp/guix-build-guix-0.12.0-10.ba2260d.drv-0/source'
make[3]: *** [Makefile:4456: check-TESTS] Error 2
make[3]: Leaving directory '/tmp/guix-build-guix-0.12.0-10.ba2260d.drv-0/source'
make[2]: *** [Makefile:4696: check-am] Error 2
make[2]: Leaving directory '/tmp/guix-build-guix-0.12.0-10.ba2260d.drv-0/source'
make[1]: *** [Makefile:4233: check-recursive] Error 1
make[1]: Leaving directory '/tmp/guix-build-guix-0.12.0-10.ba2260d.drv-0/source'
make: *** [Makefile:4698: check] Error 2
phase `check' failed after 475.3 seconds
builder for 
`/gnu/store/n0xa06kksp3wmjiq31j3dcdci2jwc9sx-guix-0.12.0-10.ba2260d.drv' failed 
with exit code 1
guix system: error: build failed: build of 
`/gnu/store/n0xa06kksp3wmjiq31j3dcdci2jwc9sx-guix-0.12.0-10.ba2260d.drv' failed