this derivation will be built:
  /nix/store/fwmb876am23b9y6wblq2sa5nc8y7j44m-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/fwmb876am23b9y6wblq2sa5nc8y7j44m-bcachefs-module-7.0.0-31-generic.drv'...