this derivation will be built:
  /nix/store/vahfn2h6jdl0iwp7578bawz9a1q8dkzc-bcachefs-module-7.0.0-31-generic-64k.drv
building '/nix/store/vahfn2h6jdl0iwp7578bawz9a1q8dkzc-bcachefs-module-7.0.0-31-generic-64k.drv'...