these 4 derivations will be built:
  /nix/store/mf604nv26rfh4gjjvbkqz3h1mdyghq7r-iets-static-aarch64-unknown-linux-musl-0.1.0.drv
  /nix/store/pkmbdf25akifphkhg3cz0sj778z0mynw-iets-static-x86_64-unknown-linux-musl-0.1.0.drv
  /nix/store/z3pncyg66ncjzwfpsiz2bs11livfhz70-iets-release-0.1.0.drv
  /nix/store/g73vxwrwd44w3n1klam2a0q92nvayq8x-inputDerivation-effect-release.drv
building '/nix/store/pkmbdf25akifphkhg3cz0sj778z0mynw-iets-static-x86_64-unknown-linux-musl-0.1.0.drv'...
building '/nix/store/mf604nv26rfh4gjjvbkqz3h1mdyghq7r-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=22&system=aarch64-linux'...
copying 1 paths...
copying path '/nix/store/pqsfsgc442vmrmgb99xa93pv7sczpyfy-source' to 'grpc://farm.numtide.com:50051'...
copying 1 paths to 'farm.numtide.com:50051'...
copying path '/nix/store/mf604nv26rfh4gjjvbkqz3h1mdyghq7r-iets-static-aarch64-unknown-linux-musl-0.1.0.drv' to 'farm.numtide.com:50051'...
building '/nix/store/mf604nv26rfh4gjjvbkqz3h1mdyghq7r-iets-static-aarch64-unknown-linux-musl-0.1.0.drv' on farm.numtide.com:50051...
copying 1 paths...
copying path '/nix/store/iqvf2r1k34nsby6xzvwqrwzk5v4q44xn-iets-static-aarch64-unknown-linux-musl-0.1.0' from 'grpc://farm.numtide.com:50051'...
building '/nix/store/z3pncyg66ncjzwfpsiz2bs11livfhz70-iets-release-0.1.0.drv'...
building '/nix/store/g73vxwrwd44w3n1klam2a0q92nvayq8x-inputDerivation-effect-release.drv'...