these 2 derivations will be built:
  /nix/store/hfjj2kms63xwpsg3bvavwdivmmpinbkc-flake-inputs.drv
  /nix/store/v15l3my55i2ky5601p89qhm0nzpjy35v-check-flake-inputs.drv
building '/nix/store/hfjj2kms63xwpsg3bvavwdivmmpinbkc-flake-inputs.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=23&system=aarch64-darwin'
building '/nix/store/hfjj2kms63xwpsg3bvavwdivmmpinbkc-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building hfjj2kms63xwpsg3bvavwdivmmpinbkc-flake-inputs.drv
building '/nix/store/v15l3my55i2ky5601p89qhm0nzpjy35v-check-flake-inputs.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-darwin'
building '/nix/store/v15l3my55i2ky5601p89qhm0nzpjy35v-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building v15l3my55i2ky5601p89qhm0nzpjy35v-check-flake-inputs.drv
could not copy /nix/store/36qgjl0dw0k1a14ydapg4xq3vf8j3aby-check-flake-inputs: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNAVAILABLE: ipv4:65.21.215.17:50051: Handshake read failed (Endpoint closing)
error: some outputs are unexpectedly invalid