53             println!("cargo:rustc-cfg=std_backtrace");  in main()
54             println!("cargo:rustc-cfg=error_generic_member_access");  in main()
62     let rustc = match rustc_minor_version() {  in main()  localVariable
63         Some(rustc) => rustc,  in main()
67     if rustc < 51 {  in main()
70         println!("cargo:rustc-cfg=anyhow_no_ptr_addr_of");  in main()
73     if rustc < 52 {  in main()
76         println!("cargo:rustc-cfg=anyhow_no_fmt_arguments_as_str");  in main()
80         println!("cargo:rustc-cfg=anyhow_no_unsafe_op_in_unsafe_fn_lint");  in main()
83     if !error_generic_member_access && cfg!(feature = "std") && rustc >= 65 {  in main()
86         println!("cargo:rustc-cfg=std_backtrace");  in main()
92         // We are running inside rustc bootstrap. This is a highly non-standard  in compile_probe()
102     let rustc = cargo_env_var("RUSTC");  in compile_probe()  localVariable
106     // Make sure to pick up Cargo rustc configuration.  in compile_probe()
109         // The wrapper's first argument is supposed to be the path to rustc.  in compile_probe()
110         cmd.arg(rustc);  in compile_probe()
113         Command::new(rustc)  in compile_probe()
149     let rustc = cargo_env_var("RUSTC");  in rustc_minor_version()  localVariable
150     let output = Command::new(rustc).arg("--version").output().ok()?;  in rustc_minor_version()
153     if pieces.next() != Some("rustc 1") {  in rustc_minor_version()