this derivation will be built:
  /nix/store/9np0kap1jrrf9dlk9h9a6nqyy4q2vixj-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/9np0kap1jrrf9dlk9h9a6nqyy4q2vixj-bcachefs-module-7.0.0-39-generic.drv'...