these 3 derivations will be built:
  /nix/store/g271zq35vqrk39m2i2a49z2jwnhsggag-source.drv
  /nix/store/3nb0xr46f6wmdbqy67a45mbw4r1arz4v-plannotator-0.28.43.drv
  /nix/store/cgsizd776bxkj38j3qlkn1bn2myb8r33-check-plannotator.drv
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
cannot build on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: no healthy upstream
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
cannot build on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: no healthy upstream
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
cannot build on 'grpc://farm.numtide.com:50051?connect-timeout=22&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: no healthy upstream
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
farm.numtide.com:50051: no healthy upstream, retrying
cannot build on 'grpc://farm.numtide.com:50051?connect-timeout=23&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token': error: gRPC StoreInfo on 'farm.numtide.com:50051' failed: no healthy upstream
       hint: Set NIX_GRPC_DEBUG=1 for a handshake trace.
Failed to find a machine for remote build!
derivation: lfqd071az8p228yaw3p2lbskwwichglg-source.drv
required (system, features): (aarch64-linux, [])
12 available machines:
(systems, maxjobs, supportedFeatures, mandatoryFeatures)
([aarch64-darwin], 8, [apple-virt, big-parallel, nixos-test, recursive-nix], [])
([aarch64-darwin], 8, [apple-virt, big-parallel, nixos-test, recursive-nix], [])
([aarch64-darwin], 8, [apple-virt, big-parallel, nixos-test, recursive-nix], [])
([aarch64-darwin], 8, [apple-virt, big-parallel, nixos-test, recursive-nix], [])
([aarch64-linux], 8, [big-parallel, kvm, nixos-test, recursive-nix, uid-range], [])
([aarch64-linux], 8, [big-parallel, kvm, nixos-test, recursive-nix, uid-range], [])
([aarch64-linux], 8, [big-parallel, kvm, nixos-test, recursive-nix, uid-range], [])
([aarch64-linux], 8, [big-parallel, kvm, nixos-test, recursive-nix, uid-range], [])
([x86_64-darwin], 8, [big-parallel, nixos-test, recursive-nix], [])
([x86_64-darwin], 8, [big-parallel, nixos-test, recursive-nix], [])
([x86_64-darwin], 8, [big-parallel, nixos-test, recursive-nix], [])
([x86_64-darwin], 8, [big-parallel, nixos-test, recursive-nix], [])
error: Cannot build '/nix/store/lfqd071az8p228yaw3p2lbskwwichglg-source.drv'.
       Reason: platform mismatch
       Required system: 'aarch64-linux'
       Current system: 'x86_64-linux'
error: build of resolved derivation '/nix/store/lfqd071az8p228yaw3p2lbskwwichglg-source.drv' failed
error: Cannot build '/nix/store/3nb0xr46f6wmdbqy67a45mbw4r1arz4v-plannotator-0.28.43.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/v4l5c49xd3kvyf7167rgc9gmcd02smay-plannotator-0.28.43
error: Cannot build '/nix/store/cgsizd776bxkj38j3qlkn1bn2myb8r33-check-plannotator.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/mifx4c7lccqff6mrpy18b9ifgyj0lzn2-check-plannotator