these 4 derivations will be built:
  /nix/store/mwgihccp00vlaq29v0n21cvgarfznq75-closure-info.drv
  /nix/store/siw3d2w6yvaln8hkqsbavajsid4myhvd-clan-cli-source.drv
  /nix/store/n3f6nywq9c25jmnziwbmk4qv3jz8jpkb-clan-cli.drv
  /nix/store/y30i67ds981i5l12p2ncz7lnx706jakv-check-vars.drv
error: path '/nix/store/aziq0ila71339sfg1daxr8d4ipz5nji8-check-vars' is not valid
error: Cannot build '/nix/store/y30i67ds981i5l12p2ncz7lnx706jakv-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/aziq0ila71339sfg1daxr8d4ipz5nji8-check-vars