these 4 derivations will be built:
  /nix/store/b3687i9gx2hjw7gwvj8913w6g91c83g8-iets-static-aarch64-unknown-linux-musl-0.1.0.drv
  /nix/store/g7z4wmk5dd7d5xp07cxv75njq84bfjqk-iets-static-x86_64-unknown-linux-musl-0.1.0.drv
  /nix/store/62yc3w0gq15i9rrszdq4rcbxfmd83sig-iets-release-0.1.0.drv
  /nix/store/9h3hnl07l7qysfnipdf3359nahxhycr3-inputDerivation-effect-release.drv
building '/nix/store/g7z4wmk5dd7d5xp07cxv75njq84bfjqk-iets-static-x86_64-unknown-linux-musl-0.1.0.drv'...
building '/nix/store/b3687i9gx2hjw7gwvj8913w6g91c83g8-iets-static-aarch64-unknown-linux-musl-0.1.0.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=21&system=aarch64-linux'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/b3687i9gx2hjw7gwvj8913w6g91c83g8-iets-static-aarch64-unknown-linux-musl-0.1.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/b3687i9gx2hjw7gwvj8913w6g91c83g8-iets-static-aarch64-unknown-linux-musl-0.1.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/rajnbp4x9n7p02q5n08v4wsjrg4qdfb6-iets-static-aarch64-unknown-linux-musl-0.1.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/62yc3w0gq15i9rrszdq4rcbxfmd83sig-iets-release-0.1.0.drv'...
building '/nix/store/9h3hnl07l7qysfnipdf3359nahxhycr3-inputDerivation-effect-release.drv'...