these 2 derivations will be built:
  /nix/store/y9msw2nja8x9h8lpgpcvyiv3rmshqsv1-flake-inputs.drv
  /nix/store/60wb51lg075dv910rnjdxiz1q793ffzw-check-flake-inputs.drv
building '/nix/store/y9msw2nja8x9h8lpgpcvyiv3rmshqsv1-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=22&system=aarch64-darwin'
building '/nix/store/y9msw2nja8x9h8lpgpcvyiv3rmshqsv1-flake-inputs.drv' on farm.numtide.com:50051
flake-inputs> mac02: building y9msw2nja8x9h8lpgpcvyiv3rmshqsv1-flake-inputs.drv
building '/nix/store/60wb51lg075dv910rnjdxiz1q793ffzw-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/60wb51lg075dv910rnjdxiz1q793ffzw-check-flake-inputs.drv' on farm.numtide.com:50051
check-flake-inputs> mac02: building 60wb51lg075dv910rnjdxiz1q793ffzw-check-flake-inputs.drv
could not copy /nix/store/mad8lnybmkhjlwy1faa925qw91g2crmq-check-flake-inputs: error: gRPC FetchNars failed: failed to connect to all addresses; last error: UNKNOWN: ipv4:65.21.215.17:50051: tcp handshaker shutdown
error: some outputs are unexpectedly invalid