these 4 derivations will be built:
  /nix/store/9v7c9rml9c13rfpb3v8iyv9618pih3fc-python3.14-nixos-test-lib-1.0.0.drv
  /nix/store/21yjgvd3kqx1k19wx1g3qxpc91l0f1ya-nixos-test-driver-1.1.drv
  /nix/store/a1cazahdj5snbjjbq88sc5c10847ah5s-nixos-test-driver-mycelium.drv
  /nix/store/5m73603gadjvm6jfdbd32wr2w8m3wgj8-vm-test-run-mycelium.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy