this derivation will be built:
  /nix/store/fsv4r1vg3467b3kszjw86hmrkdv4kx4w-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/fsv4r1vg3467b3kszjw86hmrkdv4kx4w-bcachefs-module-7.0.0-14-generic.drv'...