Resolving dependencies...
Starting     semigroups-0.19.1
Building     semigroups-0.19.1
Completed    semigroups-0.19.1
Downloading  BNFC-2.8.4
Downloaded   BNFC-2.8.4
Starting     BNFC-2.8.4
Building     BNFC-2.8.4
Completed    BNFC-2.8.4