[31m[1mERROR[0m[39m: 
  [31m×[0m I can't invoke your request handler, `app::handler`, because it needs an
  [31m│[0m instance of `u64` as input, but I can't find a constructor for that type.
  [31m│[0m
  [31m│[0m     ╭─[[36;1;4msrc/lib.rs[0m:9:1]
  [31m│[0m  [2m 9[0m │     bp.nest(sub_blueprint());
  [31m│[0m  [2m10[0m │     bp.route(GET, "/parent", f!(crate::handler));
  [31m│[0m     · [35;1m                             ─────────┬────────[0m
  [31m│[0m     ·                  [35;1mThe request handler was registered here[0m
  [31m│[0m  [2m11[0m │     bp
  [31m│[0m     ╰────
  [31m│[0m     ╭─[[36;1;4msrc/lib.rs[0m:25:1]
  [31m│[0m  [2m25[0m │ 
  [31m│[0m  [2m26[0m │ pub fn handler(_x: u64, _y: u32, _z: u16) -> StatusCode {
  [31m│[0m     · [35;1m                   ─┬─[0m
  [31m│[0m     ·     [35;1mI don't know how to construct an instance of this input parameter[0m
  [31m│[0m  [2m27[0m │     todo!()
  [31m│[0m     ╰────
  [31m│[0m [36m  help: [0mRegister a constructor for `u64`

[31m[1mERROR[0m[39m: 
  [31m×[0m I can't invoke your request handler, `app::handler`, because it needs an
  [31m│[0m instance of `u32` as input, but I can't find a constructor for that type.
  [31m│[0m
  [31m│[0m     ╭─[[36;1;4msrc/lib.rs[0m:9:1]
  [31m│[0m  [2m 9[0m │     bp.nest(sub_blueprint());
  [31m│[0m  [2m10[0m │     bp.route(GET, "/parent", f!(crate::handler));
  [31m│[0m     · [35;1m                             ─────────┬────────[0m
  [31m│[0m     ·                  [35;1mThe request handler was registered here[0m
  [31m│[0m  [2m11[0m │     bp
  [31m│[0m     ╰────
  [31m│[0m     ╭─[[36;1;4msrc/lib.rs[0m:25:1]
  [31m│[0m  [2m25[0m │ 
  [31m│[0m  [2m26[0m │ pub fn handler(_x: u64, _y: u32, _z: u16) -> StatusCode {
  [31m│[0m     · [35;1m                            ─┬─[0m
  [31m│[0m     ·     [35;1mI don't know how to construct an instance of this input parameter[0m
  [31m│[0m  [2m27[0m │     todo!()
  [31m│[0m     ╰────
  [31m│[0m [36m  help: [0mRegister a constructor for `u32`

[31m[1mERROR[0m[39m: 
  [31m×[0m I can't invoke your request handler, `app::handler`, because it needs an
  [31m│[0m instance of `u16` as input, but I can't find a constructor for that type.
  [31m│[0m
  [31m│[0m     ╭─[[36;1;4msrc/lib.rs[0m:9:1]
  [31m│[0m  [2m 9[0m │     bp.nest(sub_blueprint());
  [31m│[0m  [2m10[0m │     bp.route(GET, "/parent", f!(crate::handler));
  [31m│[0m     · [35;1m                             ─────────┬────────[0m
  [31m│[0m     ·                  [35;1mThe request handler was registered here[0m
  [31m│[0m  [2m11[0m │     bp
  [31m│[0m     ╰────
  [31m│[0m     ╭─[[36;1;4msrc/lib.rs[0m:25:1]
  [31m│[0m  [2m25[0m │ 
  [31m│[0m  [2m26[0m │ pub fn handler(_x: u64, _y: u32, _z: u16) -> StatusCode {
  [31m│[0m     · [35;1m                                     ─┬─[0m
  [31m│[0m     ·     [35;1mI don't know how to construct an instance of this input parameter[0m
  [31m│[0m  [2m27[0m │     todo!()
  [31m│[0m     ╰────
  [31m│[0m [36m  help: [0mRegister a constructor for `u16`