192     let output = cmd.output().expect("Failed to get rustc version");  in rustc_version_cmd()  localVariable
195         output.status.success(),  in rustc_version_cmd()
197         String::from_utf8_lossy(output.stderr.as_slice())  in rustc_version_cmd()
200     output  in rustc_version_cmd()
215     let mut output = rustc_version_cmd(false);  in rustc_minor_nightly()  localVariable
217     if otry!(str::from_utf8(&output.stdout).ok()).starts_with("clippy") {  in rustc_minor_nightly()
218         output = rustc_version_cmd(true);  in rustc_minor_nightly()
221     let version = otry!(str::from_utf8(&output.stdout).ok());  in rustc_minor_nightly()
248     let output = Command::new("freebsd-version").output().ok()?;  in which_freebsd()  localVariable
249     if !output.status.success() {  in which_freebsd()
253     let stdout = String::from_utf8(output.stdout).ok()?;  in which_freebsd()
273     let output = Command::new(emcc).arg("-dumpversion").output().ok()?;  in emcc_version_code()  localVariable
274     if !output.status.success() {  in emcc_version_code()
278     let version = String::from_utf8(output.stdout).ok()?;  in emcc_version_code()