this derivation will be built:
  /nix/store/wab987fnwlsw69izr852crk489rg6429-treefmt-check.drv
building '/nix/store/wab987fnwlsw69izr852crk489rg6429-treefmt-check.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&restart-grace=900&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'
building '/nix/store/wab987fnwlsw69izr852crk489rg6429-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-3f4d0d47: building wab987fnwlsw69izr852crk489rg6429-treefmt-check.drv
scheduler at farm.numtide.com:50051: Stream removed (Socket closed), reconnecting
wab987fnwlsw69izr852crk489rg6429-treefmt-check.drv: Stream removed (Socket closed), asking the scheduler again
wab987fnwlsw69izr852crk489rg6429-treefmt-check.drv: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.2:50051: Failed to connect to remote host: Connection refused, asking the scheduler again
scheduler at farm.numtide.com:50051: failed to connect to all addresses; last error: UNKNOWN: ipv4:127.0.0.2:50051: Failed to connect to remote host: Connection refused, reconnecting
scheduler at farm.numtide.com:50051: failed to connect to all addresses; last error: UNKNOWN: ipv6:%5B2a01:4f9:3071:1fc8::1%5D:50051: Failed to connect to remote host: Connection refused, reconnecting
building '/nix/store/wab987fnwlsw69izr852crk489rg6429-treefmt-check.drv' on farm.numtide.com:50051
treefmt-check> elastic-arm-8719eb42: building wab987fnwlsw69izr852crk489rg6429-treefmt-check.drv
treefmt-check> traversed 593 files
treefmt-check> emitted 395 files for processing
treefmt-check> formatted 395 files (0 changed) in 4.431s