these 4 derivations will be built:
  /nix/store/q9in6rsajxs9khcc58j2krv5d6rpa54m-iets-static-x86_64-unknown-linux-musl-0.1.0.drv
  /nix/store/xzgqk7vl5pa7p3pmcj1bcc8ygq89sfai-iets-static-aarch64-unknown-linux-musl-0.1.0.drv
  /nix/store/9msxrcsvi971m3d9h2q53gm96k20491v-iets-release-0.1.0.drv
  /nix/store/r50j2s11r0i6pvr0q67chc2sc784viml-inputDerivation-effect-release.drv
building '/nix/store/q9in6rsajxs9khcc58j2krv5d6rpa54m-iets-static-x86_64-unknown-linux-musl-0.1.0.drv'...
building '/nix/store/xzgqk7vl5pa7p3pmcj1bcc8ygq89sfai-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=20&system=aarch64-linux'...
copying 1 paths...
copying path '/nix/store/00cng6b7j6xgd435d7w8av0cgzxmi8ch-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/xzgqk7vl5pa7p3pmcj1bcc8ygq89sfai-iets-static-aarch64-unknown-linux-musl-0.1.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/xzgqk7vl5pa7p3pmcj1bcc8ygq89sfai-iets-static-aarch64-unknown-linux-musl-0.1.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/hswvy5cp3zhr69fyci6z3nmhjhqkycgy-iets-static-aarch64-unknown-linux-musl-0.1.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/9msxrcsvi971m3d9h2q53gm96k20491v-iets-release-0.1.0.drv'...
building '/nix/store/r50j2s11r0i6pvr0q67chc2sc784viml-inputDerivation-effect-release.drv'...