these 4 derivations will be built:
  /nix/store/38khn18sp6vxzcdsc1zv0bkqscys26k1-harmonia-llvm-cov-3.3.0.drv
  /nix/store/p1m42knxz3d658gj9xjzd3xbsm7s3q96-harmonia-llvm-cov-3.3.0.drv
  /nix/store/pqwf4b54psbgw9jbsfl97hng3pk2pwnj-harmonia-llvm-cov-3.3.0.drv
  /nix/store/08y8yvizp9jf0qfin2pn5ymy7xhc4a17-inputDerivation-upload-codecov-effect.drv
building '/nix/store/38khn18sp6vxzcdsc1zv0bkqscys26k1-harmonia-llvm-cov-3.3.0.drv'...
building '/nix/store/p1m42knxz3d658gj9xjzd3xbsm7s3q96-harmonia-llvm-cov-3.3.0.drv'...
building '/nix/store/pqwf4b54psbgw9jbsfl97hng3pk2pwnj-harmonia-llvm-cov-3.3.0.drv'...
building '/nix/store/08y8yvizp9jf0qfin2pn5ymy7xhc4a17-inputDerivation-upload-codecov-effect.drv'...