gistfile1.txt

thread 'insert_in_dispatch' panicked at 'already borrowed: BorrowMutError', /home/i509vcb/Dev/Rust/calloop/src/loop_logic.rs:101:46
stack backtrace:
   0: rust_begin_unwind
             at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/std/src/panicking.rs:584:5
   1: core::panicking::panic_fmt
             at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/core/src/panicking.rs:142:14
   2: core::result::unwrap_failed
             at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/core/src/result.rs:1785:5
   3: core::result::Result<T,E>::expect
             at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/core/src/result.rs:1035:23
   4: core::cell::RefCell<T>::borrow_mut
             at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/core/src/cell.rs:947:9
   5: calloop::loop_logic::LoopHandle<Data>::register_dispatcher
             at ./src/loop_logic.rs:101:27
   6: calloop::loop_logic::LoopHandle<Data>::insert_source
             at ./src/loop_logic.rs:82:9
   7: double_borrows::handle_source
             at ./tests/double_borrows.rs:30:5
   8: core::ops::function::FnMut::call_mut
             at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/core/src/ops/function.rs:164:5
   9: <core::cell::RefCell<calloop::sources::DispatcherInner<S,F>> as calloop::sources::EventDispatcher<Data>>::pre_run::{{closure}}
             at ./src/sources/mod.rs:338:38
  10: <double_borrows::OneshotRemove as calloop::sources::EventSource>::pre_run
             at ./tests/double_borrows.rs:61:9
  11: <core::cell::RefCell<calloop::sources::DispatcherInner<S,F>> as calloop::sources::EventDispatcher<Data>>::pre_run
             at ./src/sources/mod.rs:338:9
  12: calloop::loop_logic::EventLoop<Data>::invoke_pre_run
             at ./src/loop_logic.rs:369:13
  13: calloop::loop_logic::EventLoop<Data>::run
             at ./src/loop_logic.rs:432:9
  14: double_borrows::insert_in_dispatch
             at ./tests/double_borrows.rs:26:5
  15: double_borrows::insert_in_dispatch::{{closure}}
             at ./tests/double_borrows.rs:14:1
  16: core::ops::function::FnOnce::call_once
             at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/core/src/ops/function.rs:248:5
  17: core::ops::function::FnOnce::call_once
             at /rustc/e092d0b6b43f2de967af0887873151bb1c0b18d3/library/core/src/ops/function.rs:248:5
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
test insert_in_dispatch ... FAILED