these 4 derivations will be built:
  /nix/store/40r18m89csc1f3ncb5yx0zlnk1r93hnv-iets-static-aarch64-unknown-linux-musl-0.2.0.drv
  /nix/store/g3rz6b6sv124n36cjv1a2hrsk3c8xpxw-iets-static-x86_64-unknown-linux-musl-0.2.0.drv
  /nix/store/0pc6sg4sql7gkmmvnnbafz06vg4vr9d8-iets-release-0.2.0.drv
  /nix/store/zmbw99kyd6wiinfrhr4jzqmh09brwgql-inputDerivation-effect-release.drv
building '/nix/store/40r18m89csc1f3ncb5yx0zlnk1r93hnv-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on 'grpc://farm.numtide.com:50051?connect-timeout=21&system=aarch64-linux&token-file=/run/nix-farm-client/farm-token'...
building '/nix/store/g3rz6b6sv124n36cjv1a2hrsk3c8xpxw-iets-static-x86_64-unknown-linux-musl-0.2.0.drv'...
copying 1 paths...
copying path '/nix/store/yl4haqyizz41b2xds50hn1sd88dqf5zl-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/40r18m89csc1f3ncb5yx0zlnk1r93hnv-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/40r18m89csc1f3ncb5yx0zlnk1r93hnv-iets-static-aarch64-unknown-linux-musl-0.2.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/8qxypvln43fk93ifk23d6azp7z2xwjvx-iets-static-aarch64-unknown-linux-musl-0.2.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/0pc6sg4sql7gkmmvnnbafz06vg4vr9d8-iets-release-0.2.0.drv'...
building '/nix/store/zmbw99kyd6wiinfrhr4jzqmh09brwgql-inputDerivation-effect-release.drv'...