these 2 derivations will be built:
  /nix/store/gxkmydh6v8464pi597kdzpzsjld0d70r-harmonia-deps-3.2.0.drv
  /nix/store/yh5p4n4lf43bpdsv3d0jh9c1r7pz0bby-harmonia-llvm-cov-3.2.0.drv