these 2 derivations will be built:
  /nix/store/sz7y1y5zs948af349bmxghn57z2fvn38-closure-info.drv
  /nix/store/qpw2spy5ns19czy0401g71vyc3g55xdl-check-vars.drv
this path will be fetched (0.0 KiB download, 3.9 MiB unpacked):
  /nix/store/8d1psb6an2dlf2g0rwk1i1lg1f9agcw0-clan-cli
error: path '/nix/store/d9yziml0zsf4mrj3dk0x2y2xw4hdlqh7-check-vars' is not valid
error: Cannot build '/nix/store/qpw2spy5ns19czy0401g71vyc3g55xdl-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/d9yziml0zsf4mrj3dk0x2y2xw4hdlqh7-check-vars