these 32 derivations will be built:
  /nix/store/m5j6w5fcc8j99w3cf62x5npy5bx2nabs-nix.conf.drv
  /nix/store/sviabn6pgv34zf0kaszr6y8xxv0pyb6l-X-Restart-Triggers-nix-daemon.drv
  /nix/store/013lc1zrm55jfx20skvywgy4rf63dir6-unit-nix-daemon.service.drv
  /nix/store/az810ghjhvdl52xp5b8qzl1c7xhw0faz-nix.conf.drv
  /nix/store/lawdgs9bqwlhf5j0n8wgrfqdhfka3aws-X-Restart-Triggers-nix-daemon.drv
  /nix/store/avchzwqlp411li517pirfkpb9kdz7xrg-unit-nix-daemon.service.drv
  /nix/store/i9k1xkarb61wjjvnam7m0lsh0bdnmf2p-system-units.drv
  /nix/store/iww1m5qbc9d8j7lf2qs66lim58gsnjwh-etc.drv
  /nix/store/z5qph411ff209ibii68lqyd5610crbr2-activate.drv
  /nix/store/p2s0bd41ylhmd6qpcax908sr2c1rmd86-nixos-system-client-test.drv
  /nix/store/c1mp895f8rzvhab6w1ps8sbwd62n80ax-closure-info.drv
  /nix/store/72la821qk1fa94pn9pdvm4pznj47i186-run-nixos-vm.drv
  /nix/store/0sl7nipgbn65hil7n2xhq31hzw98rcvi-nixos-vm.drv
  /nix/store/hy8a3dniw1nmm0bg89dn4xd4wl86ax7h-test-script.drv
  /nix/store/jvpsjqsf6aqihvv33s3a459wkivzv4yj-unit-nix-grpc-daemon.service.drv
  /nix/store/nzcns29c21z0ld0p6nlab532y4x1m1rl-system-units.drv
  /nix/store/ypg1bbqvvx8fvlrw423pafwcpdxp8bjl-etc.drv
  /nix/store/fmjddlj23028x8wpkv9dc0rz28fybmp6-activate.drv
  /nix/store/nvj247jhsgj3lcmgmy8jppalskqhkxnn-nixos-system-worker1-test.drv
  /nix/store/cwih6z49m0yykqjjvni6vfrms0s922s0-closure-info.drv
  /nix/store/dvc98sgn1wqydd6lxirryy2m5i94h8cd-run-nixos-vm.drv
  /nix/store/in7m3qsq5z9nwyz6cvda0g57skhx211y-nixos-vm.drv
  /nix/store/k5b1i2a7hhv1sd9s4xr4ss61lpj7nk6y-system-units.drv
  /nix/store/frh6fs4zrns9g061nx8ipa5ccvmlr3q3-etc.drv
  /nix/store/lczzyngnrqq9h6a8c07syri2dr1ihd24-activate.drv
  /nix/store/fpq55dys27r7360x47lf0af8iizijfwf-nixos-system-worker2-test.drv
  /nix/store/dg7i6jxf34m9zy3spjfzcaa02i8jkllk-closure-info.drv
  /nix/store/4dbpaf6wdqqfd3592vfw1nzi52ffjwf2-run-nixos-vm.drv
  /nix/store/plzl6gbqwbh35knnhvcflbqj07m0yxsj-nixos-vm.drv
  /nix/store/zf302xb68j14cs1g4wpci2vm29cn7xmm-driverConfiguration.json.drv
  /nix/store/v5f87zjaw494jdpnfvd6vn0x59s36dsr-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/1ic9fcc447gr3x25p9cxrprpvgvgkybb-vm-test-run-nix-grpc-farm.drv
Failed to find a machine for remote build!
derivation: 1ic9fcc447gr3x25p9cxrprpvgvgkybb-vm-test-run-nix-grpc-farm.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/1ic9fcc447gr3x25p9cxrprpvgvgkybb-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/kzlcpb3nv2nzc6z54gp0avwib9ay63p7-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >
       > !!! Test "build hook: nix-daemon with builders = grpc://lb" failed with error: "command `nix build -L --max-jobs 0 --builders 'grpc://lb:50051?ca-cert=/nix/store/nxjidxgil6j96kna91adfd01y2hhlm82-farm-certs/ca.pem&client-cert=/nix/store/nxjidxgil6j96kna91adfd01y2hhlm82-farm-certs/ci.pem&client-key=/nix/store/nxjidxgil6j96kna91adfd01y2hhlm82-farm-certs/ci.key - - 4' --print-out-paths --no-link -f /nix/store/m74lzh91imw61a3ikc44dryv0fl01505-job.nix --argstr tag hook 2>&1 | tee /dev/stderr | tail -1` failed (exit code 1)"
       > !!! Traceback (most recent call last):
       > !!!   File "<string>", line 59, in <module>
       > !!!     out = client.succeed(f"nix build -L --max-jobs 0 --builders '{envoy} - - 4' --print-out-paths --no-link -f /nix/store/m74lzh91imw61a3ikc44dryv0fl01505-job.nix --argstr tag hook 2>&1 | tee /dev/stderr | tail -1").strip()
       > !!! 
       > !!! RequestedAssertionFailed: command `nix build -L --max-jobs 0 --builders 'grpc://lb:50051?ca-cert=/nix/store/nxjidxgil6j96kna91adfd01y2hhlm82-farm-certs/ca.pem&client-cert=/nix/store/nxjidxgil6j96kna91adfd01y2hhlm82-farm-certs/ci.pem&client-key=/nix/store/nxjidxgil6j96kna91adfd01y2hhlm82-farm-certs/ci.key - - 4' --print-out-paths --no-link -f /nix/store/m74lzh91imw61a3ikc44dryv0fl01505-job.nix --argstr tag hook 2>&1 | tee /dev/stderr | tail -1` failed (exit code 1)
       > cleanup
       > kill QemuMachine (pid 50)
       > cache # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/lfh101cfjj8p8npcari9hk0lbqi33yvh-python3-3.14.7/bin/python3.14)
       > kill QemuMachine (pid 51)
       > client # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/lfh101cfjj8p8npcari9hk0lbqi33yvh-python3-3.14.7/bin/python3.14)
       > worker2 # [   80.134455] nix-daemon[785]: accepted connection from pid 845, user nix-grpc-daemon
       > worker2 # [   80.151958] nix-daemon[785]: reaped child process 848, status = succeeded
       > kill QemuMachine (pid 52)
       > lb # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/lfh101cfjj8p8npcari9hk0lbqi33yvh-python3-3.14.7/bin/python3.14)
       > kill QemuMachine (pid 53)
       > worker1 # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/lfh101cfjj8p8npcari9hk0lbqi33yvh-python3-3.14.7/bin/python3.14)
       > kill QemuMachine (pid 54)
       > worker2 # qemu-system-aarch64: terminating on signal 15 from pid 39 (/nix/store/lfh101cfjj8p8npcari9hk0lbqi33yvh-python3-3.14.7/bin/python3.14)
       > (finished: cleanup, in 1.02 seconds)
       > additionally exposed symbols:
       >     cache, client, lb, worker1, worker2,
       >     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/1ic9fcc447gr3x25p9cxrprpvgvgkybb-vm-test-run-nix-grpc-farm.drv