65     let rustc = match rustc_minor_version() {  in main()  localVariable
66         Some(rustc) => rustc,  in main()
70     if rustc >= 80 {  in main()
81     if rustc < 51 {  in main()
87     if rustc < 52 {  in main()
97     if rustc < 56 {  in main()
103     if !error_generic_member_access && cfg!(feature = "std") && rustc >= 65 {  in main()
109     if rustc < 81 {  in main()
128     let rustc = cargo_env_var("RUSTC");  in compile_probe()  localVariable
143     let mut rustc = rustc_wrapper  in compile_probe()  localVariable
146         .chain(iter::once(rustc));  in compile_probe()
147     let mut cmd = Command::new(rustc.next().unwrap());  in compile_probe()
148     cmd.args(rustc);  in compile_probe()
196     let rustc = cargo_env_var("RUSTC");  in rustc_minor_version()  localVariable
197     let output = Command::new(rustc).arg("--version").output().ok()?;  in rustc_minor_version()