these 2 derivations will be built:
  /nix/store/hwjzcw2cdb8792diblwwglr8845vsfa2-closure-info.drv
  /nix/store/m50qc78zfp9g2smwyajrf5q372fa6nvw-check-vars.drv
error: path '/nix/store/jsy0b25xzwslzjxdk1kmmjbg1f5k42fd-check-vars' is not valid
error: Cannot build '/nix/store/m50qc78zfp9g2smwyajrf5q372fa6nvw-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/jsy0b25xzwslzjxdk1kmmjbg1f5k42fd-check-vars