this derivation will be built:
  /nix/store/4wndrbmxg9lp6nd71wn7a05h3yv0ws52-treefmt-check.drv
cannot build 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-linux': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.2:50051: handshaker shutdown
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
building '/nix/store/4wndrbmxg9lp6nd71wn7a05h3yv0ws52-treefmt-check.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-linux'
building '/nix/store/4wndrbmxg9lp6nd71wn7a05h3yv0ws52-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-b1a4a024: building 4wndrbmxg9lp6nd71wn7a05h3yv0ws52-treefmt-check.drv
treefmt-check> traversed 554 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 4.879s

upload niks3: ok