these 2 derivations will be built:
  /nix/store/a92hkg7sxbg56rwdisf9kqidg40irb4w-closure-info.drv
  /nix/store/zp3506c6vk5fgivw1l9ilbpwrwzya5lg-check-vars.drv
this path will be fetched (0.0 KiB download, 3.9 MiB unpacked):
  /nix/store/b1yrqmjwjw858f1582pzhsqj1sssfqkz-clan-cli
error: path '/nix/store/5cw1cb7hn80zslrz12hpz3svsriq9ss6-check-vars' is not valid
error: Cannot build '/nix/store/zp3506c6vk5fgivw1l9ilbpwrwzya5lg-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/5cw1cb7hn80zslrz12hpz3svsriq9ss6-check-vars