these 4 derivations will be built:
  /nix/store/1d3363b66ddrcx8fp7k72lg7ymmmzjdg-harmonia-llvm-cov-3.3.0.drv
  /nix/store/3balk2xz0fh5sv5z9z349i4ak83i48zi-harmonia-llvm-cov-3.3.0.drv
  /nix/store/973i4qfz54rzdaa65hyf9dhx3xl5sn1k-harmonia-llvm-cov-3.3.0.drv
  /nix/store/93970w1v7bamray6821s4fk3291jmjj8-inputDerivation-upload-codecov-effect.drv
building '/nix/store/1d3363b66ddrcx8fp7k72lg7ymmmzjdg-harmonia-llvm-cov-3.3.0.drv'...
building '/nix/store/3balk2xz0fh5sv5z9z349i4ak83i48zi-harmonia-llvm-cov-3.3.0.drv'...
building '/nix/store/973i4qfz54rzdaa65hyf9dhx3xl5sn1k-harmonia-llvm-cov-3.3.0.drv'...
building '/nix/store/93970w1v7bamray6821s4fk3291jmjj8-inputDerivation-upload-codecov-effect.drv'...