this derivation will be built: /nix/store/rg9g2mn73zy1yaz2rgb2nccqz593s3x8-shell-completion-test.drv Failed to find a machine for remote build! derivation: rg9g2mn73zy1yaz2rgb2nccqz593s3x8-shell-completion-test.drv required (system, features): (aarch64-linux, []) 1 available machines: (systems, maxjobs, supportedFeatures, mandatoryFeatures) ([aarch64-darwin, x86_64-darwin], 8, [big-parallel, recursive-nix], [])