these 4 derivations will be built:
  /nix/store/8qb8fd19yyam2m7i5zgwfpsy0322rhn4-offline-flake-for-test-clan-test-iso.drv
  /nix/store/gcdwn24i0hrkgyz62kw6w8l7qya3k7i2-closure-info.drv
  /nix/store/vsnfyyavik84rkgnbzgyhaig5qrnxhzi-nixos-test-driver-clan-test-iso.drv
  /nix/store/rpxw89mfhsfvck47971vg9m60hj2rd8c-container-test-run-clan-test-iso.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