this derivation will be built:
  /nix/store/h81bj3mwqr763f7bg36ygnsjwffz4sy6-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/h81bj3mwqr763f7bg36ygnsjwffz4sy6-bcachefs-module-7.0.0-26-generic.drv'...