this derivation will be built:
  /nix/store/50mx5jx3i0afspbzyhzfglyxspvg3z98-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/50mx5jx3i0afspbzyhzfglyxspvg3z98-bcachefs-module-7.0.0-30-generic.drv'...