these 49 derivations will be built:
  /nix/store/9zlpzmp93m8pbs04b4b0zrfxaa9jkyhv-unit-nix-grpc-daemon.service.drv
  /nix/store/qf5wfb8zdggqyhj6njzhmq4p8vx08yw3-nix.conf.drv
  /nix/store/ijl38zczsr3l0s80wakj3c7dnrv3r4ls-X-Restart-Triggers-nix-daemon.drv
  /nix/store/ijga98g86m1l3g0w2wkwq8c485caay6p-unit-nix-daemon.service.drv
  /nix/store/158ccvqgh2ydnzh7zh0i5v3jivaywm01-system-units.drv
  /nix/store/31pxsm8qw9ayk9s1p456jqmpmab6is4c-envoy.json.drv
  /nix/store/xx0swa1kcjyaz97nrvy34mkh1wdpmzfj-validate-envoy-conf.drv
  /nix/store/kvj4c7z0az25q90wxdp8rkkk4lk1bphg-unit-envoy.service.drv
  /nix/store/2197miwf2xcglg38igijvp303wia7a01-system-units.drv
  /nix/store/98682204hrk46bgnarxkmsblmp084c30-unit-nix-grpc-daemon.service.drv
  /nix/store/i3l2227kiw3s845k4d3hqgczlnkrcsbf-X-Restart-Triggers-nix-daemon.drv
  /nix/store/d4lj5wgg73vb48yc645x7p5f2zlkziq5-unit-nix-daemon.service.drv
  /nix/store/2hnnwx79q30vbxa3k4icpdrxbvjjmqzp-system-units.drv
  /nix/store/p6kz9nqy508w7rhwgrf7wlk4z4cyyqpv-etc.drv
  /nix/store/q4jlq65yqzh1ymgpq5akjyklcxcvq3i2-activate.drv
  /nix/store/incl2w8bpggbqwr3zgh9h7s94pamgb80-nixos-system-worker1-test.drv
  /nix/store/979flfs8vlhlf2iyswvmhrmqbps5c7pb-closure-info.drv
  /nix/store/2bmq36hy1dkzf4q71vd62307jqb5sxfc-run-nixos-vm.drv
  /nix/store/5s9qpwa6wjdlzf1k5n82f63kqzh53x15-nixos-vm.drv
  /nix/store/p1apsvrsydrfq7h34hzrry5zlmk1ckaw-etc.drv
  /nix/store/8fjk6c2ljajf39dm7y6a5v6wl262x9b6-activate.drv
  /nix/store/cv7lld7dk02scma93r63bcmah4k7bhiw-nixos-system-lb-test.drv
  /nix/store/7h2jhi1yp44pd3zg9d44d5m4h6khr2hv-closure-info.drv
  /nix/store/494lnp7z21vinjl37mnlcx6f7vmm0cry-run-nixos-vm.drv
  /nix/store/h5xvac100asczqqm87nlnqhmvic0cpb9-nixos-vm.drv
  /nix/store/i4fkj1gm1nraa0d3zmfqvmgnnfhamgfc-nix.conf.drv
  /nix/store/67xs0z6q643b5n02b9rqcqqjx9hbp15d-X-Restart-Triggers-nix-daemon.drv
  /nix/store/rwcyjsznbb3kyiygsiwg1m24xcc35604-unit-nix-daemon.service.drv
  /nix/store/fgvh5czy6rgfqxvxa5ymfsgrd93v9knr-system-units.drv
  /nix/store/jwyfn83mp02xpv5avqx8l439ym45q7l7-etc.drv
  /nix/store/pjwzzrn9bnr0m44rck3d9kcbn1lgybl5-activate.drv
  /nix/store/qx7dcyk6g7sdn09d46w7yybky635g6rx-nixos-system-client-test.drv
  /nix/store/734r5vsibypqx9r0ybylsxr55729lx0m-closure-info.drv
  /nix/store/2g6ldz0bf63g83zjas9fyvhx7if8a7qk-run-nixos-vm.drv
  /nix/store/k5w06jwxiqq2p1ivdhdx07ydfyl9mcz9-nixos-vm.drv
  /nix/store/hyr8h3kyaf6pxwkw1mp41g189s71m955-etc.drv
  /nix/store/srlpp2axj621kifk28qn48vfq6iicr05-activate.drv
  /nix/store/54ym723rdyw9qigrqsm3x4rk9g8azkqc-nixos-system-worker2-test.drv
  /nix/store/mg1b509d3xx4s8szwjwh6njlrdbyy5l3-unit-nix-grpc-daemon.service.drv
  /nix/store/7kafw39blz12n310zxyv8x9igzpb041m-system-units.drv
  /nix/store/7nfzjcmq6xdfapq9bxrmjrc1bzyizqvs-etc.drv
  /nix/store/88ihb7a28gwnww9dlpnxwzlbs5ii5nr7-activate.drv
  /nix/store/h23726kikkvi8pjvyrs7jl66vqpxjfxd-nixos-system-worker2-test.drv
  /nix/store/z9x3a77789hx8fajmz52zj6cjfl97m42-closure-info.drv
  /nix/store/8hrivkjg9771ixxbpzjc4x8b7s0f0gzn-run-nixos-vm.drv
  /nix/store/skm06ws0h79lrm4qp7lbq5b6v4vr8sbq-nixos-vm.drv
  /nix/store/21ws9zl3hq9ygfjak0wxynd9wzndc6p9-driverConfiguration.json.drv
  /nix/store/xpc2jqzsc7gwxvyjf8llr72dxy3agj9b-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/gmza3na6yhgzh5hwycv98hg01cr0wl58-vm-test-run-nix-grpc-farm.drv
error: Cannot build '/nix/store/gmza3na6yhgzh5hwycv98hg01cr0wl58-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/z975qx1zb7lmj8hxfzrjl03sisd2v6y2-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >   File "/nix/store/r2r0lyypbamx7mzpb4853lcn9a540acv-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/r2r0lyypbamx7mzpb4853lcn9a540acv-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 194, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/r2r0lyypbamx7mzpb4853lcn9a540acv-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/driver.py", line 437, in run_tests
       >     self.test_script()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/r2r0lyypbamx7mzpb4853lcn9a540acv-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/driver.py", line 395, in test_script
       >     exec(self.tests, symbols, None)
       >     ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
       >   File "<string>", line 96, in <module>
       > AssertionError: lb:50051: no healthy upstream, retrying
       > lb:50051: no healthy upstream, retrying
       > lb:50051: no healthy upstream, retrying
       > lb:50051: no healthy upstream, retrying
       > lb:50051: no healthy upstream, retrying
       > lb:50051: no healthy upstream, retrying
       > lb:50051: no healthy upstream, retrying
       > lb:50051: no healthy upstream, retrying
       > lb:50051: no healthy upstream, retrying
       > error: gRPC QueryMissing on 'lb:50051' failed: no healthy upstream
       >        hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
       >
       For full logs, run:
         nix log /nix/store/gmza3na6yhgzh5hwycv98hg01cr0wl58-vm-test-run-nix-grpc-farm.drv