these 4 derivations will be built:
  /nix/store/7jqpfxyf0msv0pcd7nkmhps0ciy4dvvx-iets-0.2.0.drv
  /nix/store/y7j48zbajx6w2703dqig2s1rimc5l5r5-iets-fuzz-diff-0.0.0.drv
  /nix/store/jld3hg4n4w67qhbx5cb75lap0axwzl7r-iets-conformance-adapter.drv
  /nix/store/ny9y9x0x924dv5n4n29a13xz2pjldbd9-nix-conformance-iets.drv
building '/nix/store/7jqpfxyf0msv0pcd7nkmhps0ciy4dvvx-iets-0.2.0.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'
building '/nix/store/y7j48zbajx6w2703dqig2s1rimc5l5r5-iets-fuzz-diff-0.0.0.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'
warning: 7jqpfxyf0msv0pcd7nkmhps0ciy4dvvx-iets-0.2.0.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}, waiting up to 120s for a worker
warning: y7j48zbajx6w2703dqig2s1rimc5l5r5-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
7jqpfxyf0msv0pcd7nkmhps0ciy4dvvx-iets-0.2.0.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: build of '/nix/store/7jqpfxyf0msv0pcd7nkmhps0ciy4dvvx-iets-0.2.0.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/7jqpfxyf0msv0pcd7nkmhps0ciy4dvvx-iets-0.2.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/vhr3a3pk8kmqk146d18cw63pxdwg5y15-iets-0.2.0
y7j48zbajx6w2703dqig2s1rimc5l5r5-iets-fuzz-diff-0.0.0.drv: no connected, non-draining worker for system 'aarch64-linux' offers features {}, the workers offer {}
error: build of '/nix/store/y7j48zbajx6w2703dqig2s1rimc5l5r5-iets-fuzz-diff-0.0.0.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/y7j48zbajx6w2703dqig2s1rimc5l5r5-iets-fuzz-diff-0.0.0.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/23f2iqyq7kg1czpzr44k255hqkcpsfzz-iets-fuzz-diff-0.0.0
error: Cannot build '/nix/store/jld3hg4n4w67qhbx5cb75lap0axwzl7r-iets-conformance-adapter.drv'.
       Reason: 2 dependencies failed.
       Output paths:
         /nix/store/yms1nibz3c57s177slkvrfad8q2by9cw-iets-conformance-adapter
error: Cannot build '/nix/store/ny9y9x0x924dv5n4n29a13xz2pjldbd9-nix-conformance-iets.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/29vjmi0p2czpl7nr6k8jsi1qj7xxd5vp-nix-conformance-iets