these 4 derivations will be built:
  /nix/store/anap1ll73qksinxss1fwwjlp718kmk3i-harmonia-llvm-cov-3.3.0.drv
  /nix/store/ndf6qbc4hfa5hcjv1ggnb8dx82zv27pi-harmonia-llvm-cov-3.3.0.drv
  /nix/store/wq2mrpcpavjjd5wlwbhylq0v43lc9jlx-harmonia-llvm-cov-3.3.0.drv
  /nix/store/y49y14sw5pnb9gp2vfqj4671z0gagbjq-inputDerivation-upload-codecov-effect.drv
building '/nix/store/anap1ll73qksinxss1fwwjlp718kmk3i-harmonia-llvm-cov-3.3.0.drv'...
building '/nix/store/ndf6qbc4hfa5hcjv1ggnb8dx82zv27pi-harmonia-llvm-cov-3.3.0.drv'...
building '/nix/store/wq2mrpcpavjjd5wlwbhylq0v43lc9jlx-harmonia-llvm-cov-3.3.0.drv'...
building '/nix/store/y49y14sw5pnb9gp2vfqj4671z0gagbjq-inputDerivation-upload-codecov-effect.drv'...