these 2 derivations will be built:
  /nix/store/chm8xgiqg1718iqbyasgr6ra6dqc2pp9-closure-info.drv
  /nix/store/mdd6m4q0x4m9ff0lrknxb2s20pn4az4q-check-vars.drv
this path will be fetched (0.0 KiB download, 3.9 MiB unpacked):
  /nix/store/90gwsfkj4p2isn7g4z2v0lk1011hhqh0-clan-cli
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
error: path '/nix/store/grrq12f2463x2m4a1j0khw987ghlkfjx-check-vars' is not valid
error: Cannot build '/nix/store/mdd6m4q0x4m9ff0lrknxb2s20pn4az4q-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/grrq12f2463x2m4a1j0khw987ghlkfjx-check-vars