these 12 derivations will be built:
  /nix/store/s1s368d2jp7bjaskzvk5zbln4z05pdnc-unit-script-setup-git-repo-start.drv
  /nix/store/hvj40hmaq52rwrxrxa3n6sic9jn3jk79-unit-setup-git-repo.service.drv
  /nix/store/yadzxyyji7vq2qq7019va2n95bn7wz68-system-units.drv
  /nix/store/8y75h006ff50rblvhkxixysr1mj08pkk-etc.drv
  /nix/store/7yrdg6z6zd96my790as85mk6k8iqc39c-activate.drv
  /nix/store/lg8s0ilfhdlwrg9ikdfzcyd4qdzgn2ls-nixos-system-buildbot-test.drv
  /nix/store/9ircmfmip506phk2d1x93dbg2w1zwh8d-closure-info.drv
  /nix/store/biv66mdlj1pvrifbbmxy7kq6s3bk85j7-run-nixos-vm.drv
  /nix/store/ww0yg7wsmq5hfafsvnsrzk2abgjgfmdx-nixos-vm.drv
  /nix/store/s33y2jn7l2j1q6vnw7sb4x5kixcp4i8l-driverConfiguration.json.drv
  /nix/store/5344ngrnl8fj5f62ac701bpxv8s7q5zy-nixos-test-driver-scheduled-effects.drv
  /nix/store/3zlqi8akka21qf8xga1dzs96wrm5jqa4-vm-test-run-scheduled-effects.drv
Failed to find a machine for remote build!
derivation: 3zlqi8akka21qf8xga1dzs96wrm5jqa4-vm-test-run-scheduled-effects.drv
required (system, features): (aarch64-linux, [kvm, nixos-test])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
error: Cannot build '/nix/store/3zlqi8akka21qf8xga1dzs96wrm5jqa4-vm-test-run-scheduled-effects.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/66xr7wnhglsjpblb6z32kz6kvj94y2yr-vm-test-run-scheduled-effects
       Last 25 log lines:
       > buildbot # [  209.231682] twistd[851]: 2026-07-26T05:31:38+0000 [-] gitpoller: processing changes from "ssh://root@localhost/srv/repos/test-flake.git"
       > buildbot: must succeed: curl --fail http://localhost:8010/api/v2/builds
       > buildbot #   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
       > buildbot #                                  Dload  Upload  Total   Spent   Left   Speed
       > buildbot #   0      0   0      0   0      0      0      0                              0100     51 100     51   0      0   3756      0                              0100     51 100     51   0      0   3029      0                              0100     51 100     51   0      0   2587      0                              0
       > buildbot: (finished: must succeed: curl --fail http://localhost:8010/api/v2/builds, in 0.07 seconds)
       > buildbot: must succeed: curl --fail http://localhost:8010/api/v2/builds
       > buildbot #   % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
       > buildbot #                                  Dload  Upload  Total   Spent   Left   Speed
       > buildbot #   0      0   0      0   0      0      0      0                              0100     51 100     51   0      0   4299      0                              0100     51 100     51   0      0   3056      0                              0100     51 100     51   0      0   2434      0                              0
       > buildbot: (finished: must succeed: curl --fail http://localhost:8010/api/v2/builds, in 0.09 seconds)
       > !!! Test "Wait for nix-eval build to complete" failed with error: "action timed out after 180.39 seconds (timeout=180)"
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 51, in <module>
       > !!!     retry(check_eval_build_complete, timeout_seconds=180)
       > !!! 
       > !!! RequestedAssertionFailed: action timed out after 180.39 seconds (timeout=180)
       > cleanup
       > kill QemuMachine (pid 12)
       > buildbot # qemu-system-aarch64: terminating on signal 15 from pid 6 (/nix/store/smwd56pl54f0pcjdspgh5vnf20c8xwsc-python3-3.13.13/bin/python3.13)
       > (finished: cleanup, in 0.29 seconds)
       > additionally exposed symbols:
       >     buildbot,
       >     vlan1,
       >     start_all, test_script, machines, machines_qemu, machines_nspawn, vlans, driver, log, os, create_machine, subtest, run_tests, join_all, retry, serial_stdout_off, serial_stdout_on, polling_condition, BaseMachine, QemuMachine, NspawnMachine, t, debug, dump_machine_ssh
       For full logs, run:
         nix log /nix/store/3zlqi8akka21qf8xga1dzs96wrm5jqa4-vm-test-run-scheduled-effects.drv