these 13 derivations will be built:
  /nix/store/dp5vggqyjqf62lg0hzv2iv5l0gv273cr-unit-dagster-webserver.service.drv
  /nix/store/dpfjhrilw3qrnjzrm8xvjqrvz6nr7k8v-unit-dagster-code-hello.service.drv
  /nix/store/p892qwiz29prbrg5124lyqbac5nap1zn-unit-dagster-daemon.service.drv
  /nix/store/h50q01x2zkhkmgbrx2x8h94wbqfnvjjp-system-units.drv
  /nix/store/nps9zd10zcgvzq6xmasaq42slwzxk0lq-etc.drv
  /nix/store/r8qd76s3vidvrpfn6n4hzmklwmd3jj3h-activate.drv
  /nix/store/5gjcqbmgjbwgr46pyc5w5ik18ka47v0j-nixos-system-full-test.drv
  /nix/store/m311ns3zqp316p4zarmrqkmgw1ax92lp-closure-info.drv
  /nix/store/122gs84j4myb645qaakqgv91r4ygsr2r-run-nixos-vm.drv
  /nix/store/6krfd05zk9v5qfjrh40cwjclkbmr9cx6-nixos-vm.drv
  /nix/store/iqwfxjfh6bfv4snqlf6pkzz9b7f8p8k5-driverConfiguration.json.drv
  /nix/store/rj56i04ny56l97a0h1x9fdnkrd21v07g-nixos-test-driver-dagster.drv
  /nix/store/lfgklvwdin3j75hadzm1smdz9l1c20fv-vm-test-run-dagster.drv
error: Cannot build '/nix/store/lfgklvwdin3j75hadzm1smdz9l1c20fv-vm-test-run-dagster.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/q567rqa037lqr17lq8hx2zrvbcriviww-vm-test-run-dagster
       Last 25 log lines:
       > full # [  905.812651] systemd[1]: dagster-daemon.service: Main process exited, code=exited, status=1/FAILURE
       > full # [  905.814835] systemd[1]: dagster-daemon.service: Failed with result 'exit-code'.
       > full # [  905.816913] systemd[1]: dagster-daemon.service: Consumed 1.456s CPU time over 7.235s wall clock time, 88.5M memory peak.
       > full # [  910.352382] systemd[1]: dagster-webserver.service: Scheduled restart job, restart counter is at 110.
       > full # [  910.379472] systemd[1]: Started Dagster Webserver.
       > full # [  910.851651] systemd[1]: dagster-daemon.service: Scheduled restart job, restart counter is at 124.
       > full # [  910.853933] systemd[1]: Started Dagster Daemon.
       > !!! Test "webserver starts and responds" failed with error: "action timed out after 900.39 seconds (timeout=900.0)"
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 18, in <module>
       > !!!     full.wait_for_open_port(3000)
       > !!! 
       > !!! RequestedAssertionFailed: action timed out after 900.39 seconds (timeout=900.0)
       > cleanup
       > kill QemuMachine (pid 47)
       > full # qemu-system-x86_64: terminating on signal 15 from pid 39 (/nix/store/d64q19q1xjdwfhqx6czvrjgrhq0n3lcc-python3-3.14.7/bin/python3.14)
       > full # [2026-09-25T21:30:15Z INFO  virtiofsd] Client disconnected, shutting down
       > full # [2026-09-25T21:30:15Z INFO  virtiofsd] Client disconnected, shutting down
       > full # [2026-09-25T21:30:15Z INFO  virtiofsd] Client disconnected, shutting down
       > kill QemuMachine (pid 48)
       > worker # qemu-system-x86_64: terminating on signal 15 from pid 39 (/nix/store/d64q19q1xjdwfhqx6czvrjgrhq0n3lcc-python3-3.14.7/bin/python3.14)
       > worker # [2026-09-25T21:30:15Z INFO  virtiofsd] Client disconnected, shutting down
       > worker # [2026-09-25T21:30:15Z INFO  virtiofsd] Client disconnected, shutting down
       > worker # [2026-09-25T21:30:15Z INFO  virtiofsd] Client disconnected, shutting down
       > (finished: cleanup, in 0.26 seconds)
       For full logs, run:
         nix log /nix/store/lfgklvwdin3j75hadzm1smdz9l1c20fv-vm-test-run-dagster.drv