this derivation will be built:
  /nix/store/fj21xivq885h8f5iq7fam43c23by484d-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/fj21xivq885h8f5iq7fam43c23by484d-bcachefs-module-7.0.0-31-generic.drv'...