these 2 derivations will be built:
  /nix/store/adx49a1gsywgcv24ah9lbc2isdzyq8i7-flake-inputs.drv
  /nix/store/3p2ncpjs7v47cs4jbcqzkvkmrz7di0if-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