this derivation will be built:
  /nix/store/m5an8411m2xhzrs5kc2h81py0wa1rh7w-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/m5an8411m2xhzrs5kc2h81py0wa1rh7w-bcachefs-module-7.0.0-29-generic.drv'...