these 2 derivations will be built:
  /nix/store/shjb6y301v0nl33wslahqzv9kqdyjjcz-flake-inputs.drv
  /nix/store/jf7ql1c4477dsysk2jc61ml5j2c1ca2g-check-flake-inputs.drv
building '/nix/store/shjb6y301v0nl33wslahqzv9kqdyjjcz-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=20&system=aarch64-darwin'
building '/nix/store/shjb6y301v0nl33wslahqzv9kqdyjjcz-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building shjb6y301v0nl33wslahqzv9kqdyjjcz-flake-inputs.drv
building '/nix/store/jf7ql1c4477dsysk2jc61ml5j2c1ca2g-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=20&system=aarch64-darwin'
building '/nix/store/jf7ql1c4477dsysk2jc61ml5j2c1ca2g-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building jf7ql1c4477dsysk2jc61ml5j2c1ca2g-check-flake-inputs.drv
could not copy /nix/store/2ybrl1j4db0x748x0bdkznhm708xw6q1-check-flake-inputs: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNAVAILABLE: ipv4:127.0.0.2:50051: Handshake read failed (Endpoint closing)
error: some outputs are unexpectedly invalid