this derivation will be built:
  /nix/store/a9cx2k62vy746wnbdqc4z2kjmp07rmwp-bcachefs-module-7.0.0-28-generic-64k.drv
building '/nix/store/a9cx2k62vy746wnbdqc4z2kjmp07rmwp-bcachefs-module-7.0.0-28-generic-64k.drv'...