these 2 derivations will be built:
  /nix/store/qzz3cic2s0mbs3ia38nlgmdhh7gmri0y-hol-guard-3.36.1.drv
  /nix/store/97wgvc0317qzl0bgj7ss3h9wa388kiac-check-hol-guard.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy