this derivation will be built:
  /nix/store/x2686cmzjs5cbyinpyi10i83zly140ks-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': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.2:50051: tcp handshaker shutdown
       hint: the server may have rejected the client certificate (untrusted CA or revoked).
building '/nix/store/x2686cmzjs5cbyinpyi10i83zly140ks-treefmt-check.drv' on 'ssh-ng://nix-remote-builder@bld3.m.ntd.one'
building '/nix/store/x2686cmzjs5cbyinpyi10i83zly140ks-treefmt-check.drv'
treefmt-check> traversed 517 files
treefmt-check> emitted 354 files for processing
treefmt-check> formatted 354 files (0 changed) in 23.272s

post-build step Upload to niks3: ok
time=2026-09-16T09:24:08.487Z level=INFO msg="Uploading 0 paths to niks3.numtide.com (1 already cached)"
time=2026-09-16T09:24:09.055Z level=INFO msg="Uploading 1 narinfos"
time=2026-09-16T09:24:09.596Z level=INFO msg="Upload complete. (2.4s)"