build gtk-rs on Windows (cairo, true, --features png,pdf,svg,ps,use_glib,v1_16,freetype,script,wi... 
                        
                       
                      
                        
                          `glib-macros` (lib) generated 1 warning
                         
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                          build gtk-rs on Windows (cairo, true, --features png,pdf,svg,ps,use_glib,v1_16,freetype,script,wi...:  
                        glib-macros/src/signals_attribute.rs#L41
                       
                      
                        
                          field `ext_trait` is never read
                         
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                          build gtk-rs on Windows (cairo, true, --features png,pdf,svg,ps,use_glib,v1_16,freetype,script,wi... 
                        
                       
                      
                        
                          `glib-macros` (lib) generated 1 warning
                         
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                          build gtk-rs on Windows (cairo, true, --features png,pdf,svg,ps,use_glib,v1_16,freetype,script,wi...:  
                        glib-macros/src/signals_attribute.rs#L41
                       
                      
                        
                          field `ext_trait` is never read
                         
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                          build gtk-rs on Windows (cairo, true, --features png,pdf,svg,ps,use_glib,v1_16,freetype,script,wi... 
                        
                       
                      
                     
                   
                 
               
              
                
                  
                    
                    
                      
                          build gtk-rs on Windows (cairo, true, --features png,pdf,svg,ps,use_glib,v1_16,freetype,script,wi... 
                        
                       
                      
                     
                   
                 
               
              
                
                  
                    
                    
                      
                          build gtk-rs on Windows (cairo, true, --features png,pdf,svg,ps,use_glib,v1_16,freetype,script,wi... 
                        
                       
                      
                     
                   
                 
               
              
                
                  
                    
                    
                      
                          build gtk-rs on Windows (cairo, true, --features png,pdf,svg,ps,use_glib,v1_16,freetype,script,wi...