these 5 derivations will be built:
  /nix/store/fq2l08r1h5mwv71bfnwz2bqkv3bqfflj-nix-grpc-e2e.drv
  /nix/store/cxfgdmkcxvv206i4jvl0d0wwb7krplkj-test-script.drv
  /nix/store/9himp5pla1h5g64dka5pz1i51ly3v82i-driverConfiguration.json.drv
  /nix/store/mwmqaaw3l71fvipjsjr1l15qg9s8xiqh-nixos-test-driver-nix-grpc-store-main.drv
  /nix/store/yxisihlw620abvkjcdqsx52sds59sj25-vm-test-run-nix-grpc-store-main.drv
Failed to find a machine for remote build!
derivation: fq2l08r1h5mwv71bfnwz2bqkv3bqfflj-nix-grpc-e2e.drv
required (system, features): (aarch64-linux, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])
Failed to find a machine for remote build!
derivation: yxisihlw620abvkjcdqsx52sds59sj25-vm-test-run-nix-grpc-store-main.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/yxisihlw620abvkjcdqsx52sds59sj25-vm-test-run-nix-grpc-store-main.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/n6h37dkh8afky8a61zq2ki4dakypykyx-vm-test-run-nix-grpc-store-main
       Last 25 log lines:
       > Note: this requires systemd-ssh-proxy(1) to be enabled (default on NixOS 25.05 and newer).
       >     machine:  ssh -o User=root vsock-mux//build/tmpo8exr_t3/machine_host.socket
       > additionally exposed symbols:
       >     machine,
       >     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
       > Traceback (most recent call last):
       >   File "/nix/store/bsfvpn8q2430b9gbcb0d939kswyw8fyr-nixos-test-driver-1.1/bin/.nixos-test-driver-wrapped", line 9, in <module>
       >     sys.exit(main())
       >              ~~~~^^
       >   File "/nix/store/bsfvpn8q2430b9gbcb0d939kswyw8fyr-nixos-test-driver-1.1/lib/python3.14/site-packages/test_driver/__init__.py", line 194, in main
       >     driver.run_tests()
       >     ~~~~~~~~~~~~~~~~^^
       >   File "/nix/store/bsfvpn8q2430b9gbcb0d939kswyw8fyr-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/bsfvpn8q2430b9gbcb0d939kswyw8fyr-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 24, in <module>
       >   File "<string>", line 10, in run_e2e
       >   File "/nix/store/81ag9nxz1flw3xjkv1vvqg8y2ipx2ins-python3-3.14.7/lib/python3.14/subprocess.py", line 578, in run
       >     raise CalledProcessError(retcode, process.args,
       >                              output=stdout, stderr=stderr)
       > subprocess.CalledProcessError: Command '['/nix/store/yzd4bpq3qh4dainnnvc5ivm44lsz17hp-nix-grpc-e2e/bin/nix-grpc-e2e', 'transfer::', 'access::', '--test-threads=4', '--nocapture']' returned non-zero exit status 101.
       For full logs, run:
         nix log /nix/store/yxisihlw620abvkjcdqsx52sds59sj25-vm-test-run-nix-grpc-store-main.drv