this derivation will be built:
  /nix/store/dv9rv67ldb7bi9n5zp20jqd721vbsj1a-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/dv9rv67ldb7bi9n5zp20jqd721vbsj1a-bcachefs-module-7.0.0-39-generic.drv'...