these 4 derivations will be built:
  /nix/store/cyjlm52da1p6zwpxv8qdjk1dqw2343yb-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/vj8bzznp2n7bl3kxzff0bzpwwn8c6nxk-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/pykgdkbi3hs041xmmbxrlksr4lyhg5ch-iets-release-0.2.0.drv
  /nix/store/gsmiiphqpafiap3r79gsqmvyka439bdd-inputDerivation-effect-release.drv
building '/nix/store/vj8bzznp2n7bl3kxzff0bzpwwn8c6nxk-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=20&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'...
building '/nix/store/cyjlm52da1p6zwpxv8qdjk1dqw2343yb-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/jvby74pf0di5d9il1mhy9axkgxi1cgdn-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/vj8bzznp2n7bl3kxzff0bzpwwn8c6nxk-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/vj8bzznp2n7bl3kxzff0bzpwwn8c6nxk-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/59g5bzcn9g39rb7lh657h6797brn0vhx-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/pykgdkbi3hs041xmmbxrlksr4lyhg5ch-iets-release-0.2.0.drv'...
building '/nix/store/gsmiiphqpafiap3r79gsqmvyka439bdd-inputDerivation-effect-release.drv'...