these 2 derivations will be built:
  /nix/store/i03f23l5ywig6i7scp5jsa4r5g6yx03d-flake-inputs.drv
  /nix/store/1f4ww1c8gjgg303hi8zxybggc3jdpyby-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy