these 2 derivations will be built:
  /nix/store/x52fd1kjb5glsgbafmkz7wv9zc59vhha-closure-info.drv
  /nix/store/yfkwklnkygw5pdxh355qzpd7ryfazgnc-check-vars.drv
this path will be fetched (0.0 KiB download, 4.1 MiB unpacked):
  /nix/store/pd1a9jpr9r96ydvr1p5l5z86vnakrvk6-clan-cli
error: path '/nix/store/v5ywjszg1654n9zg5j3cr38yijrxrd60-check-vars' is not valid
error: Cannot build '/nix/store/yfkwklnkygw5pdxh355qzpd7ryfazgnc-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/v5ywjszg1654n9zg5j3cr38yijrxrd60-check-vars