After building guix 0.15.0 from git on Fedora 28, I've had 10 tests fail. My dependency versions are:
GNU Guile: 2.0.14 GNU libgcrypt: 1.8.3 GnuTLS: 3.6.3 Guile-SQLite3: 0.1.0 Guile-Git: 0.1.0 zlib: 1.2.11 GNU Make: 4.2.1 Guile-JSON: 1.0.1 Guile-SSH: 0.11.3 libbz2: 1.0.6 SQLite 3: 3.22.0 GCC g++: 8.1.1 In all, the failing modules (accoring to the output of 'make check') are hackage.scm inferior.scm pack.scm lint.scm My test-suite.log https://gist.github.com/74f868731a211c0d408ed088b357b4ea.git