this derivation will be built:
  /nix/store/2b8nmcl8va7i6yi2gqs03nwww40k9s3w-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/2b8nmcl8va7i6yi2gqs03nwww40k9s3w-bcachefs-module-7.0.0-38-generic.drv'...