Fix clippy::map_unwrap_or (#1415)

.bazelrc

@@ -45,7 +45,7 @@ build --aspects=@rules_rust//rust:defs.bzl%rustfmt_aspect
 build --aspects=@rules_rust//rust:defs.bzl%rust_clippy_aspect
 
 # TODO(aaronmondal): Extend these flags until we can run with clippy::pedantic.
-build --@rules_rust//:clippy_flags=-Dwarnings,-Dclippy::uninlined_format_args,-Dclippy::manual_string_new,-Dclippy::manual_let_else,-Dclippy::single_match_else,-Dclippy::redundant_closure_for_method_calls,-Dclippy::semicolon_if_nothing_returned,-Dclippy::unreadable_literal,-Dclippy::range_plus_one,-Dclippy::inconsistent_struct_constructor,-Dclippy::match_wildcard_for_single_variants,-Dclippy::implicit_clone,-Dclippy::needless_pass_by_value,-Dclippy::explicit_deref_methods,-Dclippy::trivially_copy_pass_by_ref,-Dclippy::unnecessary_wraps,-Dclippy::cast_lossless
+build --@rules_rust//:clippy_flags=-Dwarnings,-Dclippy::uninlined_format_args,-Dclippy::manual_string_new,-Dclippy::manual_let_else,-Dclippy::single_match_else,-Dclippy::redundant_closure_for_method_calls,-Dclippy::semicolon_if_nothing_returned,-Dclippy::unreadable_literal,-Dclippy::range_plus_one,-Dclippy::inconsistent_struct_constructor,-Dclippy::match_wildcard_for_single_variants,-Dclippy::implicit_clone,-Dclippy::needless_pass_by_value,-Dclippy::explicit_deref_methods,-Dclippy::trivially_copy_pass_by_ref,-Dclippy::unnecessary_wraps,-Dclippy::cast_lossless,-Dclippy::map_unwrap_or
 build --@rules_rust//:clippy.toml=//:clippy.toml
 
 test --@rules_rust//:rustfmt.toml=//:.rustfmt.toml

nativelink-service/src/execution_server.rs

@@ -105,10 +105,9 @@ impl InstanceInfo {
                 .input_root_digest
                 .err_tip(|| "Expected input_digest_root")?,
         )?;
-        let timeout = action
-            .timeout
-            .map(|v| Duration::new(v.seconds as u64, v.nanos as u32))
-            .unwrap_or(Duration::MAX);
+        let timeout = action.timeout.map_or(Duration::MAX, |v| {
+            Duration::new(v.seconds as u64, v.nanos as u32)
+        });
 
         let mut platform_properties = HashMap::new();
         if let Some(platform) = action.platform {