these 2 derivations will be built: /nix/store/dj1jgfk58b3i4pkykrsqjqr06d2hzrcq-python3-3.13.15-env.drv /nix/store/vq1ms2sjkws0fgynm1nyrmm94j75cqyh-pytest-impure.drv building '/nix/store/dj1jgfk58b3i4pkykrsqjqr06d2hzrcq-python3-3.13.15-env.drv' on 'ssh-ng://customer@mac02' building '/nix/store/dj1jgfk58b3i4pkykrsqjqr06d2hzrcq-python3-3.13.15-env.drv' python3-3.13.15-env> structuredAttrs is enabled python3-3.13.15-env> created 238 symlinks in user environment Failed to find a machine for remote build! derivation: 7bvlvp1wrmp8abn8qxmrw2gqvl2s7mrn-pytest-impure.drv required (system, features): (aarch64-darwin, [ca-derivations]) 1 available machines: (systems, maxjobs, supportedFeatures, mandatoryFeatures) ([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], []) error: Cannot build '/nix/store/7bvlvp1wrmp8abn8qxmrw2gqvl2s7mrn-pytest-impure.drv'. Reason: platform mismatch Required system: 'aarch64-darwin' Current system: 'x86_64-linux' error: build of resolved derivation '/nix/store/7bvlvp1wrmp8abn8qxmrw2gqvl2s7mrn-pytest-impure.drv' failed