these 4 derivations will be built:
  /nix/store/n55q9bagia87jqzqf58md62np4khzy6z-clan-cli-source.drv
  /nix/store/d6pakpzcfi2dsb90c4vj14kg1ibzvigs-clan-cli.drv
  /nix/store/wzyd4fsw1p4nq69s0l4xd3wdih18iwnd-closure-info.drv
  /nix/store/4sfn7whkw5sa28m5n07ba342yjx9a8i5-check-vars.drv
error: path '/nix/store/bvrad78apb7yg0nh7ghg1zkkdpmlh3j7-check-vars' is not valid
error: Cannot build '/nix/store/4sfn7whkw5sa28m5n07ba342yjx9a8i5-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/bvrad78apb7yg0nh7ghg1zkkdpmlh3j7-check-vars