@@ -516,7 +516,7 @@ fn generate_cycler_constructors(cyclers: &Cyclers, mode: CyclerMode) -> TokenStr
516516 } else {
517517 Default :: default ( )
518518 } ;
519- let error_message = format ! ( "failed to create cycler `{}`" , instance ) ;
519+ let error_message = format ! ( "failed to create cycler `{instance }`" ) ;
520520
521521 quote ! {
522522 #[ allow( unused) ]
@@ -567,7 +567,7 @@ fn generate_cycler_starts(cyclers: &Cyclers) -> TokenStream {
567567 format_ident ! ( "{}_cycler" , instance. to_case( Case :: Snake ) ) ;
568568 let cycler_handle_identifier =
569569 format_ident ! ( "{}_handle" , instance. to_case( Case :: Snake ) ) ;
570- let error_message = format ! ( "failed to start cycler `{}`" , instance ) ;
570+ let error_message = format ! ( "failed to start cycler `{instance }`" ) ;
571571 quote ! {
572572 let #cycler_handle_identifier = #cycler_variable_identifier
573573 . start( keep_running. clone( ) )
@@ -644,7 +644,7 @@ fn generate_cycler_replays(cyclers: &Cyclers) -> TokenStream {
644644 . map ( |( _cycler, instance) | {
645645 let cycler_variable_identifier =
646646 format_ident ! ( "{}_cycler" , instance. to_case( Case :: Snake ) ) ;
647- let error_message = format ! ( "failed to replay {} cycle" , instance ) ;
647+ let error_message = format ! ( "failed to replay {instance } cycle" ) ;
648648 quote ! {
649649 #instance => self . #cycler_variable_identifier. cycle( timestamp, data) . wrap_err( #error_message) ,
650650 }
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