this derivation will be built:
  /nix/store/vn0p979ycfzysq1fgpd75xxhjrihf97h-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/vn0p979ycfzysq1fgpd75xxhjrihf97h-bcachefs-module-7.0.0-29-generic.drv'...