premise `if input_tys.len() == args.len()`

Premise at line 408. Observed failure causes: if_false.

call

Line	Coverage	Source
388	3	(borrow_check_expr( env, assumptions, state, callee, args.live_before(env, &state, places_live), ) => (callee_ty, state))
397	✗	(prove_ty_is_rigid(env, assumptions, state, callee_ty) => (RigidTy { name: RigidName::FnDef(fn_id), parameters }, state))
400	✗	(let Fn { id: _, safety, binder } = env.crates().fn_named(fn_id)?)
402	✗	(ProvenSet::singleton((safety, ProofTree::leaf("safety"))) => Safety::Safe)
403	✗	(let FnBoundData { input_args, output_ty, where_clauses, body: _ } = binder.instantiate_with(parameters)?)
407	N/A	(let input_tys: Vec<Ty> = input_args.iter().map(\|a\| a.ty.clone()).collect())
408	1	(if input_tys.len() == args.len())
410	✗	(for_all(i in 0..args.len()) with(state) (borrow_check_expr_has_ty(env, assumptions, state, &args[i], &input_tys[i], places_live) => state))
413	✗	(prove_where_clauses(env, assumptions, state, where_clauses) => state)
		──────── ("call")
415	14	(borrow_check_expr(env, assumptions, state, Expr::Call { callee, args }, places_live) => (output_ty, state))

1 test failed proving this premise:

Source location: tests/mir_typeck.rs:383

fn bar(v1: u32) -> u32 {
    let v0: u32 = identity::<u32>(v1, v1);
    return v0;
}

Failed proof tree

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