these 2 derivations will be built:
  /nix/store/50bc0pn23z164rcqylm2f479xwmnqiyf-pi-wrapped-1.2.0.drv
  /nix/store/qs4w6i7dhg0nmpgyqp90hzgmx27b3ca3-pi-agent-environment-smoke.drv
[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051: failed to connect to all addresses; last error: UNKNOWN: ipv6:%5Bfddb:4344:343b:14b9:399:9324:19d9:3451%5D:50051: Failed to connect to remote host: Connection refused, retrying
[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051: failed to connect to all addresses; last error: UNKNOWN: ipv6:%5Bfddb:4344:343b:14b9:399:9324:19d9:3451%5D:50051: Failed to connect to remote host: Connection refused, retrying
[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051: failed to connect to all addresses; last error: UNKNOWN: ipv6:%5Bfddb:4344:343b:14b9:399:9324:19d9:3451%5D:50051: Failed to connect to remote host: Connection refused, retrying
cannot build on 'grpc://[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051?ca-cert=/run/nix-grpc-store/ca.crt&connect-timeout=5': error: gRPC StoreInfo on '[fddb:4344:343b:14b9:399:9324:19d9:3451]:50051' failed: failed to connect to all addresses; last error: UNKNOWN: ipv6:%5Bfddb:4344:343b:14b9:399:9324:19d9:3451%5D:50051: Failed to connect to remote host: Connection refused
       hint: could not reach the server (TCP/DNS), not a certificate problem. Set NIX_GRPC_DEBUG=1 for a handshake trace.
Failed to find a machine for remote build!
derivation: 50bc0pn23z164rcqylm2f479xwmnqiyf-pi-wrapped-1.2.0.drv
required (system, features): (aarch64-darwin, [])
1 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin], 16, [apple-virt, big-parallel], [])
error: Cannot build '/nix/store/50bc0pn23z164rcqylm2f479xwmnqiyf-pi-wrapped-1.2.0.drv'.
       Reason: platform mismatch
       Required system: 'aarch64-darwin'
       Current system: 'x86_64-linux'
error: Cannot build '/nix/store/qs4w6i7dhg0nmpgyqp90hzgmx27b3ca3-pi-agent-environment-smoke.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/84wa9f516s4d4ahxl8629pn1y50h4wk1-pi-agent-environment-smoke