these 8 derivations will be built:
  /nix/store/v04lyi9y11y9183xmjblvapif50353jy-stage-2-init.sh.drv
  /nix/store/1v8rwzlq23hq8yinvgd1981xvzb29rns-nixos-system-client-test.drv
  /nix/store/agxirbzp5lw32jigiz3dq8irs3hpc15m-closure-info.drv
  /nix/store/mb2ya8848sr4f6cdprz3bn399n5f38am-nixos-system-server-test.drv
  /nix/store/nidbbl5djllbid4qxkc9i7lf7ach4iam-test-driver-0.0.1.drv
  /nix/store/ny8dvwf5y36fyphy6mw4vcq0bxxg58ns-closure-info.drv
  /nix/store/yr2h8cri2cmcq1w4qr89v0102wi7pi2q-nixos-test-driver-sshd.drv
  /nix/store/8zll0yjixalrjsfxxanriksvlvi8gc3f-container-test-run-sshd.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
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
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
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy