these 2 derivations will be built:
  /nix/store/6q4m7xsksczx350izfsr1glnxsicwdr7-clan-cli.drv
  /nix/store/271vfxnq7d0mfdn3a465r900fd1qh801-check-devshell-not-depends-on-clan-cli.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy