these 2 derivations will be built:
  /nix/store/2rvskrd3c292wqnrhia9aj1vwfqz24s2-flake-inputs.drv
  /nix/store/sdjqnjs6slfpycafa5l7gvd55s4gcaif-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy