[INFO] [stdout] error[E0659]: `hash_map` is ambiguous [INFO] [stdout] --> src/bin/day02-1.rs:49:17 [INFO] [stdout] | [INFO] [stdout] 49 | hash_map!( [INFO] [stdout] | ^^^^^^^^ ambiguous name [INFO] [stdout] | [INFO] [stdout] = note: ambiguous because of a conflict between a name from a glob import and an outer scope during import or macro resolution [INFO] [stdout] = note: `hash_map` could refer to a macro from prelude 

[INFO] [stdout] error[E0658]: use of unstable library feature `hash_map_macro` [INFO] [stdout] --> src/hash_map/cfg.rs:4:38 [INFO] [stdout] | [INFO] [stdout] 4 | let my_map: HashMap<&str, i32> = hash_map!("a" => 1, "b" => 2); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #144032 <https://github.com/rust-lang/rust/issues/144032> for more information