this derivation will be built:
  /nix/store/lk0jzpyrmyqw3gb1alxshs9yh9rsp4yh-vm-test-ubuntu_20_04.drv
error: build of '/nix/store/lk0jzpyrmyqw3gb1alxshs9yh9rsp4yh-vm-test-ubuntu_20_04.drv' on 'grpc://farm.numtide.com:50051?client-cert=/run/secrets/vars/per-machine/bld1/nix-farm-ci/crt&client-key=/run/secrets/vars/per-machine/bld1/nix-farm-ci/key&connect-timeout=20&system=aarch64-linux' failed: timed out after 1200 seconds
error: Cannot build '/nix/store/lk0jzpyrmyqw3gb1alxshs9yh9rsp4yh-vm-test-ubuntu_20_04.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/nwalmxcb624mn9bxq1aqkx3lg6lzsr4g-vm-test-ubuntu_20_04