error[E0275]: overflow evaluating the requirement `K: std::marker::Send`
  --> $DIR/recursion_limit.rs:44:5
   |
44 |     is_send::<A>();
   |     ^^^^^^^^^^^^
   |
   = help: consider adding a `#![recursion_limit="20"]` attribute to your crate
   = note: required because it appears within the type `J`
   = note: required because it appears within the type `I`
   = note: required because it appears within the type `H`
   = note: required because it appears within the type `G`
   = note: required because it appears within the type `F`
   = note: required because it appears within the type `E`
   = note: required because it appears within the type `D`
   = note: required because it appears within the type `C`
   = note: required because it appears within the type `B`
   = note: required because it appears within the type `A`
   = note: required by `is_send`

error: aborting due to previous error(s)