these 40 derivations will be built:
  /nix/store/8vcj90bvf9l55j29m94vxkw69q3riqsw-nix.conf.drv
  /nix/store/f9xi6h9gynyxfb1s2235izihg876r3n9-unit-nix-grpc-daemon.service.drv
  /nix/store/fsix1l3kmxbsjks62sri8acmjrcaj1ln-X-Restart-Triggers-nix-daemon.drv
  /nix/store/xdc8lv2qz0ih793h3bkyzsd8c6jhfqgd-unit-nix-daemon.service.drv
  /nix/store/gh82mk7m3hnkdrc7p7rk40nhy64hnpw1-system-units.drv
  /nix/store/80s57d92rj1qkva4v52994jpszcf13xk-etc.drv
  /nix/store/0rv7qykkkpxpv830yrqks45syi6kjbym-activate.drv
  /nix/store/r844zqvpg9c0parr221j7i7mvb8q7h1b-unit-nix-grpc-daemon.service.drv
  /nix/store/19lc8dm3j6vsz9ivh979pmh8vf255wgd-system-units.drv
  /nix/store/5yq5kww19jylly4wrph0055q955zb47a-nix.conf.drv
  /nix/store/rk9071cqqrlhbg64w8p0h0ka699nl4k3-X-Restart-Triggers-nix-daemon.drv
  /nix/store/9srsw3d4jym0s96bzncz4n8lzqi7px6i-unit-nix-daemon.service.drv
  /nix/store/zb9sm2afx2bhvav6ccrr9vf7nd3sbh6r-system-units.drv
  /nix/store/xkncs3lhscwb5mvnrzbn5l6gwdlbhd8a-etc.drv
  /nix/store/qgs6xy9d5z7nvb0a4z70gybam8b3kblm-activate.drv
  /nix/store/9i0xkbcad0chbag8k1mmn8ldb0z483cx-nixos-system-client-test.drv
  /nix/store/1jnm9cmqhhyxa1rxnw2ykrhwpkvkr208-closure-info.drv
  /nix/store/4bvgdpbh37d4wrf668cwx4j3lnr6vzmb-unit-nix-grpc-daemon.service.drv
  /nix/store/x158h9p2y93rm1hnxdrf1szgh6dchwlp-nix.conf.drv
  /nix/store/y9wqz4zvj0sda750fawdalqvzzgvxbva-X-Restart-Triggers-nix-daemon.drv
  /nix/store/599q7r79ilynzzqzjc9c478kz7ax0pmj-unit-nix-daemon.service.drv
  /nix/store/3i3gqzk359d04pd41jswhdjy4grmqyfk-system-units.drv
  /nix/store/kwb77x0laq5rhzr5vqagpi6sllh0zda8-etc.drv
  /nix/store/bvw82pd73mh2q7szv33rhhs6rmxz8hyh-activate.drv
  /nix/store/8n7d9qsca67qdh43k801vyjbay2a95di-nixos-system-worker1-test.drv
  /nix/store/vcjg68zl7ynj7bys5478rzlwbq7a7iak-closure-info.drv
  /nix/store/jyj9i94ibnp4ya1vx0rszqpvq01j9g2j-run-nixos-vm.drv
  /nix/store/2900zhxc3rznrvnav3vpvf3dk6dn1b7m-nixos-vm.drv
  /nix/store/qqfa7i3yvyri2d81zyib8pk03grk8da4-etc.drv
  /nix/store/9ng4p1cm6ay18y356f27asbsb2wz68cl-activate.drv
  /nix/store/p5y4hndldk524nalhfdzfm50ij1acpvv-nixos-system-worker2-test.drv
  /nix/store/4kpdncp9khq7gk3rslvh4q8j2swa43ja-nixos-system-worker2-test.drv
  /nix/store/fl1vv0vw1vxsi7vy3j2pvnp63p0w7ic9-closure-info.drv
  /nix/store/prnvg9n6l1jll1v93yc9yk0kbgdzgfn6-run-nixos-vm.drv
  /nix/store/9w7wlws7r2da2bpj1a1n57pp13333b5m-nixos-vm.drv
  /nix/store/mg54a8q0m4vhcsyhvsmzip8g5ggj004p-run-nixos-vm.drv
  /nix/store/j8avd6bm236inbx3rdlnvi96ncbdjcxw-nixos-vm.drv
  /nix/store/qksplwxwf1822hdb7bkd4wvlg0ddnydh-driverConfiguration.json.drv
  /nix/store/5n5qrw9azpyjd777rbzqd96mv878pyqd-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/j3ifwmxhhxyp5b295n33kvpfia1w107m-vm-test-run-nix-grpc-farm.drv
Failed to find a machine for remote build!
derivation: j3ifwmxhhxyp5b295n33kvpfia1w107m-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/j3ifwmxhhxyp5b295n33kvpfia1w107m-vm-test-run-nix-grpc-farm.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/mzm6175xspk6i06790lckvqpj3vnh171-vm-test-run-nix-grpc-farm
       Last 25 log lines:
       >   File "/nix/store/d3bsqqyiqphqrb0s8sivc5iq46djqzda-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/d3bsqqyiqphqrb0s8sivc5iq46djqzda-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 194, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/d3bsqqyiqphqrb0s8sivc5iq46djqzda-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/d3bsqqyiqphqrb0s8sivc5iq46djqzda-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/j3ifwmxhhxyp5b295n33kvpfia1w107m-vm-test-run-nix-grpc-farm.drv