this derivation will be built:
  /nix/store/k46y46a4m8b877iiz8a6q1zv6ymp7aw6-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/k46y46a4m8b877iiz8a6q1zv6ymp7aw6-bcachefs-module-7.0.0-28-generic.drv'...