these 3 derivations will be built:
  /nix/store/s9bg230pghw67axrbbqyzb8cqs4l2b0w-primer-assets.drv
  /nix/store/vf7i5r5kp27y4whnjnd6m0cq11537b64-cargo-vendor-dir.drv
  /nix/store/pq9zz6xfkh0zgjjzpkk24a8a5psp8cz9-maintainer-mode-0.1.0.drv
building '/nix/store/vf7i5r5kp27y4whnjnd6m0cq11537b64-cargo-vendor-dir.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/vf7i5r5kp27y4whnjnd6m0cq11537b64-cargo-vendor-dir.drv' on farm.numtide.com:50051
cargo-vendor-dir> mac02: building vf7i5r5kp27y4whnjnd6m0cq11537b64-cargo-vendor-dir.drv
cargo-vendor-dir> structuredAttrs is enabled
could not copy /nix/store/r9msaycyr2wxb4nv52gnhyqzwpnibnfh-cargo-vendor-dir: 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