these 5 derivations will be built:
  /nix/store/bshbagghhflz7q1q2yisnymfz8vyil7k-clan-runtime.drv
  /nix/store/8sh34sc1b5hp7dv0smycrhrgd0vilcmr-clan-cli-source.drv
  /nix/store/fqsdddhfryxyf716jh17a9shcvhvs187-clan-cli.drv
  /nix/store/r4dzgq99mixck9xqzb3scyfxkrzlly50-closure-info.drv
  /nix/store/k16cp3jl1dk2axy7jwxq1n5bpfhw5n9d-check-vars.drv
error: path '/nix/store/55j8q8aw9gqzmamxkzczf011z7s2qla4-check-vars' is not valid
error: Cannot build '/nix/store/k16cp3jl1dk2axy7jwxq1n5bpfhw5n9d-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/55j8q8aw9gqzmamxkzczf011z7s2qla4-check-vars