these 2 derivations will be built:
  /nix/store/lh0j3cbk41kyxha8ji69w42h4fvb82i9-closure-info.drv
  /nix/store/hq1mq8wh03y28p5mqvw8xvgbhh8qpijc-check-vars.drv
error: path '/nix/store/2ryzwhqc59w3jlv8xdhsk6jdpvx78wdf-check-vars' is not valid
error: Cannot build '/nix/store/hq1mq8wh03y28p5mqvw8xvgbhh8qpijc-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/2ryzwhqc59w3jlv8xdhsk6jdpvx78wdf-check-vars