these 2 derivations will be built:
  /nix/store/3v6bbb47pmxlr90y2pwgiddyaij9xg9c-flake-inputs.drv
  /nix/store/h2xzrrwp5qcgh96a08ykask6c62yj1qw-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