these 2 derivations will be built:
  /nix/store/zfxhzwnm5ihphbvf07nw3l9628mvfdqh-closure-info.drv
  /nix/store/blramk41wg16ccabrhhg1ricl9z7vys8-check-vars.drv
error: path '/nix/store/1zbwv42f2c4m7i65vpj2swcxlvgx2p4w-check-vars' is not valid
error: Cannot build '/nix/store/blramk41wg16ccabrhhg1ricl9z7vys8-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/1zbwv42f2c4m7i65vpj2swcxlvgx2p4w-check-vars