these 3 derivations will be built:
  /nix/store/3ln1s7llwn8gajb2ds66dq0gri6kx2ad-iets-fuzz-diff-0.0.0.drv
  /nix/store/vxrfmr47ffdxdkjlci54z4j4nv0xw1yr-iets-fuzzers-0.0.0.drv
  /nix/store/kxph0jxvscfawssnp6dsbgjsl6kpjgv7-iets-fuzz-nar-check.drv
warning: 3ln1s7llwn8gajb2ds66dq0gri6kx2ad-iets-fuzz-diff-0.0.0.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
warning: vxrfmr47ffdxdkjlci54z4j4nv0xw1yr-iets-fuzzers-0.0.0.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
warning: kxph0jxvscfawssnp6dsbgjsl6kpjgv7-iets-fuzz-nar-check.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
kxph0jxvscfawssnp6dsbgjsl6kpjgv7-iets-fuzz-nar-check.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: build of '/nix/store/kxph0jxvscfawssnp6dsbgjsl6kpjgv7-iets-fuzz-nar-check.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=22&system=aarch64-linux' failed: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: Cannot build '/nix/store/kxph0jxvscfawssnp6dsbgjsl6kpjgv7-iets-fuzz-nar-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/hdn0nvnwrnws5i1b6qh8nmb2fpssq6rm-iets-fuzz-nar-check