this derivation will be built:
  /nix/store/mq4w11n62z532fi7w2x8q1c1vc25x8dk-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/mq4w11n62z532fi7w2x8q1c1vc25x8dk-bcachefs-module-7.0.0-31-generic.drv'...