this derivation will be built:
  /nix/store/li3gzpngyaqq29yg0svinzi417ck8xnf-vanixiets-docs-unit-0.0.0-development.drv
li3gzpngyaqq29yg0svinzi417ck8xnf-vanixiets-docs-unit-0.0.0-development.drv: stibnite: not scheduled here: li3gzpngyaqq29yg0svinzi417ck8xnf-vanixiets-docs-unit-0.0.0-development.drv, asking the scheduler again