these 3 derivations will be built:
  /nix/store/bkbp6838pjswm943vb3aii0sqcqvnrbw-iets-fuzzers-0.0.0.drv
  /nix/store/ivw4g53q0qqd958yxvykd98zpz106kr5-iets-fuzz-diff-0.0.0.drv
  /nix/store/s8xz96iij0ldpn6yd6l51g1xcgbz8bmp-iets-fuzz-nar-check.drv
building '/nix/store/s8xz96iij0ldpn6yd6l51g1xcgbz8bmp-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'
warning: s8xz96iij0ldpn6yd6l51g1xcgbz8bmp-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
s8xz96iij0ldpn6yd6l51g1xcgbz8bmp-iets-fuzz-nar-check.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: build of '/nix/store/s8xz96iij0ldpn6yd6l51g1xcgbz8bmp-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/s8xz96iij0ldpn6yd6l51g1xcgbz8bmp-iets-fuzz-nar-check.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/1vy4ff92pgh0p178190k4wdv0kxjk664-iets-fuzz-nar-check