this derivation will be built:
  /nix/store/w6nir1rdbrv3hhl1vx89bsj080kksq8f-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/w6nir1rdbrv3hhl1vx89bsj080kksq8f-bcachefs-module-7.0.0-39-generic.drv'...