this derivation will be built:
  /nix/store/g8x9a1wqpw65zkx2x96ca1s2gijg25x7-spec-muon.drv
building '/nix/store/g8x9a1wqpw65zkx2x96ca1s2gijg25x7-spec-muon.drv'
spec-muon> invalid/meson.build:1:13: error expected expression, got end of line
spec-muon>   1 | project('a',
spec-muon>                   ^
spec-muon> invalid/meson.build:1:13: error expected expression, got end of line
spec-muon>   1 | project('a',
spec-muon>                   ^

upload niks3: ok