diff --git a/player/src/lib.rs b/player/src/lib.rs
index a4be0b1c8..fbfb2697d 100644
--- a/player/src/lib.rs
+++ b/player/src/lib.rs
@@ -158,7 +158,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
         let (cmd_buf, error) = self
             .command_encoder_finish::<A>(encoder, &wgt::CommandBufferDescriptor { label: None });
         if let Some(e) = error {
-            panic!("{:?}", e);
+            panic!("{e}");
         }
         cmd_buf
     }
@@ -186,7 +186,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                 self.device_maintain_ids::<A>(device).unwrap();
                 let (_, error) = self.device_create_buffer::<A>(device, &desc, id);
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
             }
             Action::FreeBuffer(id) => {
@@ -199,7 +199,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                 self.device_maintain_ids::<A>(device).unwrap();
                 let (_, error) = self.device_create_texture::<A>(device, &desc, id);
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
             }
             Action::FreeTexture(id) => {
@@ -216,7 +216,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                 self.device_maintain_ids::<A>(device).unwrap();
                 let (_, error) = self.texture_create_view::<A>(parent_id, &desc, id);
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
             }
             Action::DestroyTextureView(id) => {
@@ -226,7 +226,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                 self.device_maintain_ids::<A>(device).unwrap();
                 let (_, error) = self.device_create_sampler::<A>(device, &desc, id);
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
             }
             Action::DestroySampler(id) => {
@@ -242,7 +242,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
             Action::CreateBindGroupLayout(id, desc) => {
                 let (_, error) = self.device_create_bind_group_layout::<A>(device, &desc, id);
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
             }
             Action::DestroyBindGroupLayout(id) => {
@@ -252,7 +252,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                 self.device_maintain_ids::<A>(device).unwrap();
                 let (_, error) = self.device_create_pipeline_layout::<A>(device, &desc, id);
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
             }
             Action::DestroyPipelineLayout(id) => {
@@ -262,7 +262,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                 self.device_maintain_ids::<A>(device).unwrap();
                 let (_, error) = self.device_create_bind_group::<A>(device, &desc, id);
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
             }
             Action::DestroyBindGroup(id) => {
@@ -272,7 +272,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                 log::info!("Creating shader from {}", data);
                 let code = fs::read_to_string(dir.join(&data)).unwrap();
                 let source = if data.ends_with(".wgsl") {
-                    wgc::pipeline::ShaderModuleSource::Wgsl(Cow::Owned(code))
+                    wgc::pipeline::ShaderModuleSource::Wgsl(Cow::Owned(code.clone()))
                 } else if data.ends_with(".ron") {
                     let module = ron::de::from_str(&code).unwrap();
                     wgc::pipeline::ShaderModuleSource::Naga(module)
@@ -281,7 +281,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                 };
                 let (_, error) = self.device_create_shader_module::<A>(device, &desc, source, id);
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    println!("shader compilation error:\n---{code}\n---\n{e}");
                 }
             }
             Action::DestroyShaderModule(id) => {
@@ -303,7 +303,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                 let (_, error) =
                     self.device_create_compute_pipeline::<A>(device, &desc, id, implicit_ids);
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
             }
             Action::DestroyComputePipeline(id) => {
@@ -325,7 +325,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                 let (_, error) =
                     self.device_create_render_pipeline::<A>(device, &desc, id, implicit_ids);
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
             }
             Action::DestroyRenderPipeline(id) => {
@@ -340,7 +340,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                     id,
                 );
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
             }
             Action::DestroyRenderBundle(id) => {
@@ -350,7 +350,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                 self.device_maintain_ids::<A>(device).unwrap();
                 let (_, error) = self.device_create_query_set::<A>(device, &desc, id);
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
             }
             Action::DestroyQuerySet(id) => {
@@ -393,7 +393,7 @@ impl GlobalPlay for wgc::global::Global<IdentityPassThroughFactory> {
                     comb_manager.alloc(device.backend()),
                 );
                 if let Some(e) = error {
-                    panic!("{:?}", e);
+                    panic!("{e}");
                 }
                 let cmdbuf = self.encode_commands::<A>(encoder, commands);
                 self.queue_submit::<A>(device, &[cmdbuf]).unwrap();