this derivation will be built:
  /nix/store/iwb564ddxs9fqiq2dgdq8xfn654jjsi1-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/iwb564ddxs9fqiq2dgdq8xfn654jjsi1-bcachefs-module-7.0.0-39-generic.drv'...