this derivation will be built:
  /nix/store/njmf4062gviq7vbdaw76q1laiqgfn056-bcachefs-module-7.0.0-14-generic-64k.drv
building '/nix/store/njmf4062gviq7vbdaw76q1laiqgfn056-bcachefs-module-7.0.0-14-generic-64k.drv'...