these 2 derivations will be built:
  /nix/store/kj7rzfcqdgzqdvpg72c74cfrq4rk8x9k-md-format.tests.nix.drv
  /nix/store/qsras4pnh5qfpylchkbdiwq9x2z07n69-evalCheck-md-format.drv
these 2 paths will be fetched (8.5 MiB download, 86.8 MiB unpacked):
  /nix/store/ypbhyrxpz6fxvskclj3vs91qavvi7sgf-difftastic-0.72.0
  /nix/store/jwhz31qg3pc1iq3xr41rhsczf8rmgrak-nix-unit-2.35.1