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error_chain! { foreign_links { Io(::std::io::Error); Utf8(std::str::Utf8Error); Regex(regex::Error); Json(serde_json::Error); Log(log::SetLoggerError); CargoBin(assert_cmd::cargo::CargoError); } errors { PathExists(p: std::path::PathBuf) { display("path exists: '{}'",p.display()) } PathDoesNotExist(p: std::path::PathBuf) { display("path does not exist: '{}'",p.display()) } UnrecognizedCommand(command: String) { description("an unrecognized command"), display("unrecognized command '{}'",command) } ShebangNotFound(p: std::path::PathBuf) { display("shebang not found for '{}'",p.display()) } IncorrectExitCode(expected_exit_code: i32, message: String) { display("expected exit code {} for command\n{}",expected_exit_code,&message) } } }