these 20 derivations will be built:
  /nix/store/9d2cqwwjf9drkgay1mb2qj99f31qba6n-system-units.drv
  /nix/store/wlar72ibznjxbnxv5p9a8kinlj9c740y-etc.drv
  /nix/store/0gzzy7i5d5s5wc7ag7nic9j137zk5qxl-activate.drv
  /nix/store/146asnl01g6ns9243v1hfmaxjpja6bah-unit-dagster-code-hello.service.drv
  /nix/store/1wypxaxazgf1awy4r284in61dqcdw421-unit-dagster-webserver.service.drv
  /nix/store/gmw7lcj3f660zk4jzr1xc5f6slas7rb4-unit-dagster-daemon.service.drv
  /nix/store/rsp5kbfd7ywf6j93kwb2dijdffhps84c-system-units.drv
  /nix/store/rn6rvmdanb165byqc18vwvwyyvjm9ckh-etc.drv
  /nix/store/zwrk04frj4zmwdbiq5ln0qpjm7kqx03j-activate.drv
  /nix/store/1i7r9vh22jbyr91j7mb48mrhag4vfgxp-nixos-system-full-test.drv
  /nix/store/myi4yhf9zmadjnznwynjnspm11n2q75q-nixos-system-worker-test.drv
  /nix/store/1l8ngp12zzh5wgm2mah0ibzkajvx3scv-closure-info.drv
  /nix/store/4k12pb45x3j01j9yqws0a2hbkgi1n1g1-run-nixos-vm.drv
  /nix/store/4lz4hrb121iy4c43y85jwiw179nrq51l-nixos-vm.drv
  /nix/store/bxjxvj9z1z8cjlz291zk1rmn578cd5i4-closure-info.drv
  /nix/store/s2m2w9g4s4x6pyy1i6z1hbajlkpysnby-run-nixos-vm.drv
  /nix/store/bxjk8i4d3hqx6mac784s7a1z9wsqmqvv-nixos-vm.drv
  /nix/store/jk2pdiqjzggmg8vn4np0rjkdscnp0z5m-driverConfiguration.json.drv
  /nix/store/4qm0s565h1bh74ckngw8gd2cyw1yd7hk-nixos-test-driver-dagster.drv
  /nix/store/9xn7202iwj0y7s6dgn5cgddlbgk9ygam-vm-test-run-dagster.drv
error: Cannot build '/nix/store/9xn7202iwj0y7s6dgn5cgddlbgk9ygam-vm-test-run-dagster.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/zc12vzgrzk83y3kkqglbdinas9wi0zvj-vm-test-run-dagster
       Last 25 log lines:
       > full # [  907.844477] dagster-daemon[5819]:     import psycopg
       > full # [  907.845121] dagster-daemon[5819]: ModuleNotFoundError: No module named 'psycopg'
       > full # [  908.032157] systemd[1]: dagster-daemon.service: Main process exited, code=exited, status=1/FAILURE
       > full # [  908.044085] systemd[1]: dagster-daemon.service: Failed with result 'exit-code'.
       > full # [  908.046897] systemd[1]: dagster-daemon.service: Consumed 1.409s CPU time over 7.247s wall clock time, 88.5M memory peak.
       > full # [  910.889428] systemd[1]: dagster-webserver.service: Scheduled restart job, restart counter is at 110.
       > full # [  910.892848] systemd[1]: Started Dagster Webserver.
       > !!! Test "webserver starts and responds" failed with error: "action timed out after 900.88 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 900.88 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 # [2026-09-28T23:18:29Z INFO  virtiofsd] Client disconnected, shutting down
       > full # [2026-09-28T23:18:29Z INFO  virtiofsd] Client disconnected, shutting down
       > full # [2026-09-28T23:18:29Z 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 # [2026-09-28T23:18:29Z INFO  virtiofsd] Client disconnected, shutting down
       > worker # [2026-09-28T23:18:29Z INFO  virtiofsd] Client disconnected, shutting down
       > worker # [2026-09-28T23:18:29Z INFO  virtiofsd] Client disconnected, shutting down
       > (finished: cleanup, in 0.37 seconds)
       For full logs, run:
         nix log /nix/store/9xn7202iwj0y7s6dgn5cgddlbgk9ygam-vm-test-run-dagster.drv