Swift version 4.1 (swift-4.1-RELEASE)/usercode/main.swift:5:5: error: value of type 'Process' has no member 'executableURL' process.executableURL = URL(fileURLWithPath: cmd[0]) ^~~~~~~ ~~~~~~~~~~~~~ /usercode/main.swift:10:10: error: value of type 'Process' has no member 'run' try! process.run() ^~~~~~~ ~~~