these 3 derivations will be built:
  /nix/store/hgz9xif8khki0wmza97lsqkpg4sf8921-iets-fuzzers-0.0.0.drv
  /nix/store/nwzi0k4sgzn1l4zpg21xacsbrzaz7kl4-iets-fuzz-diff-0.0.0.drv
  /nix/store/mmzhbpmppcifa2klm7iziacj61mc28l3-iets-fuzz-eval-check.drv
building '/nix/store/mmzhbpmppcifa2klm7iziacj61mc28l3-iets-fuzz-eval-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'
warning: mmzhbpmppcifa2klm7iziacj61mc28l3-iets-fuzz-eval-check.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
mmzhbpmppcifa2klm7iziacj61mc28l3-iets-fuzz-eval-check.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: build of '/nix/store/mmzhbpmppcifa2klm7iziacj61mc28l3-iets-fuzz-eval-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/mmzhbpmppcifa2klm7iziacj61mc28l3-iets-fuzz-eval-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/dy0jqp9l5w3rx8s69382541i691by1pp-iets-fuzz-eval-check