this derivation will be built:
  /nix/store/r46j3sp2dpr1i3hl20p592kpnfd2s1bz-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/r46j3sp2dpr1i3hl20p592kpnfd2s1bz-bcachefs-module-7.0.0-31-generic.drv'...