these 3 derivations will be built:
  /nix/store/3ln1s7llwn8gajb2ds66dq0gri6kx2ad-iets-fuzz-diff-0.0.0.drv
  /nix/store/ixmn6pjc6j17mny29xjxcqhrnx8imbyr-iets-conformance-adapter.drv
  /nix/store/rz7skifpjbzx4k65cn1zwnkvanjrv190-nix-conformance-iets.drv
warning: ixmn6pjc6j17mny29xjxcqhrnx8imbyr-iets-conformance-adapter.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
ixmn6pjc6j17mny29xjxcqhrnx8imbyr-iets-conformance-adapter.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: build of '/nix/store/ixmn6pjc6j17mny29xjxcqhrnx8imbyr-iets-conformance-adapter.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=21&system=aarch64-linux' failed: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: Cannot build '/nix/store/ixmn6pjc6j17mny29xjxcqhrnx8imbyr-iets-conformance-adapter.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/98kj402djzgnrmf9p05x844r2bh7mbq9-iets-conformance-adapter
error: Cannot build '/nix/store/rz7skifpjbzx4k65cn1zwnkvanjrv190-nix-conformance-iets.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/13d103lm3dqvyckig1vm3qwap7v2xjly-nix-conformance-iets