this derivation will be built:
  /nix/store/mhlgydvxhq18m1l01l3vr1irmdjpq47x-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/mhlgydvxhq18m1l01l3vr1irmdjpq47x-bcachefs-module-7.0.0-31-generic.drv'...