these 13 derivations will be built:
  /nix/store/dy0b2c0w46iz4rp72lisy0y1w65n6spf-unit-dagster-code-hello.service.drv
  /nix/store/gr3cncskrhvrh819w73395s8w1474825-unit-dagster-daemon.service.drv
  /nix/store/n4602yrr7smh2akhxry2m93am9ghfhs6-unit-dagster-webserver.service.drv
  /nix/store/yhj71xi1j3sbzan01bcs84zmdx9vrgsq-system-units.drv
  /nix/store/vh174cf22r0x6fjl124v9rvj5abjkq8z-etc.drv
  /nix/store/hs955q5c9mr45ic0d8zr6ch5s9dzbm5q-activate.drv
  /nix/store/q95gr40zmwz0m0zm58cqpddp0lv5xwp0-nixos-system-full-test.drv
  /nix/store/a5kq0ppx6q1ymlgxq0510gv5qkmbyygc-closure-info.drv
  /nix/store/8q68i9cxjc2dh0hmyvfgwp8yb66m551h-run-nixos-vm.drv
  /nix/store/8d5yv721smbdwaqi2s7vdfqc6ms9hlls-nixos-vm.drv
  /nix/store/9p35slbdnlx8af3895ljh04dn13x7v5f-driverConfiguration.json.drv
  /nix/store/ssgmg26qb29ny0l49fq1ic3k200cyv42-nixos-test-driver-dagster.drv
  /nix/store/wgihrxzmlzm9dflzcra7r0snls8x6g4d-vm-test-run-dagster.drv
error: Cannot build '/nix/store/wgihrxzmlzm9dflzcra7r0snls8x6g4d-vm-test-run-dagster.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/9wxrb952w8cwa6djgxm7b1k8rqh8zhmq-vm-test-run-dagster
       Last 25 log lines:
       > full # [  909.835674] dagster-daemon[5834]:     import psycopg
       > full # [  909.836682] dagster-daemon[5834]: ModuleNotFoundError: No module named 'psycopg'
       > full # [  910.066813] systemd[1]: dagster-daemon.service: Main process exited, code=exited, status=1/FAILURE
       > full # [  910.069182] systemd[1]: dagster-daemon.service: Failed with result 'exit-code'.
       > full # [  910.071329] systemd[1]: dagster-daemon.service: Consumed 1.406s CPU time over 7.372s wall clock time, 88.6M memory peak.
       > full # [  910.573646] systemd[1]: dagster-webserver.service: Scheduled restart job, restart counter is at 110.
       > full # [  910.576501] systemd[1]: Started Dagster Webserver.
       > !!! Test "webserver starts and responds" failed with error: "action timed out after 900.94 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 900.94 seconds (timeout=900.0)
       > cleanup
       > kill QemuMachine (pid 47)
       > full # qemu-system-x86_64: terminating on signal 15 from pid 39 (/nix/store/lb41b0anx1f98y9y5s9mdv97gjgsq740-python3-3.14.7/bin/python3.14)
       > full # [2026-10-02T22:12:47Z INFO  virtiofsd] Client disconnected, shutting down
       > full # [2026-10-02T22:12:47Z INFO  virtiofsd] Client disconnected, shutting down
       > full # [2026-10-02T22:12:47Z INFO  virtiofsd] Client disconnected, shutting down
       > kill QemuMachine (pid 48)
       > worker # qemu-system-x86_64: terminating on signal 15 from pid 39 (/nix/store/lb41b0anx1f98y9y5s9mdv97gjgsq740-python3-3.14.7/bin/python3.14)
       > worker # [2026-10-02T22:12:47Z INFO  virtiofsd] Client disconnected, shutting down
       > worker # [2026-10-02T22:12:47Z INFO  virtiofsd] Client disconnected, shutting down
       > worker # [2026-10-02T22:12:47Z INFO  virtiofsd] Client disconnected, shutting down
       > (finished: cleanup, in 0.05 seconds)
       For full logs, run:
         nix log /nix/store/wgihrxzmlzm9dflzcra7r0snls8x6g4d-vm-test-run-dagster.drv