these 2 derivations will be built:
  /nix/store/wfxng4qkf2fqbpibzs85vldrh5zgpz1r-flake-inputs.drv
  /nix/store/za0blasqwhpgmsnpdff2cq68w284y2d7-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy