ICE - Type parameter out of range when substituting in region 'a

[jedisct1]

Always getting an ICE when trying to compile lmdb-rs, on OSX and Linux:

--- stdout
task 'rustc' panicked at 'Box<Any>', /Users/j/src/rust/src/libsyntax/diagnostic.rs:116

stack backtrace:
   1:        0x1101b40f9 - rt::backtrace::imp::write::hc034b8113aef673cknq
   2:        0x1101b733c - failure::on_fail::h08ca53aaf26a8a2aTDq
   3:        0x110412ba5 - unwind::begin_unwind_inner::h6033868b8dcf182baLd
   4:        0x10f950d07 - unwind::begin_unwind::h17210840252498245105
   5:        0x10f950ca0 - unwind::begin_unwind::h17210840252498245105
   6:        0x10d26ee86 - middle::subst::SubstFolder<'a, 'tcx>.TypeFolder<'tcx>::fold_region::ha774b617ce1f6cb274V
   7:        0x10d1b1c70 - middle::subst::SubstFolder<'a, 'tcx>.TypeFolder<'tcx>::fold_ty::h11eb5a8f882b8c64d7V
   8:        0x10d4380c8 - middle::typeck::check::method::LookupContext<'a, 'tcx>::xform_self_ty::hf933b1c851c8199cGmU
   9:        0x10d436c9d - middle::typeck::check::method::LookupContext<'a, 'tcx>::push_inherent_impl_candidates_for_type::hd51f224622afd17ap8S
  10:        0x10d436711 - middle::typeck::check::method::LookupContext<'a, 'tcx>::push_inherent_candidates::closure.131163
  11:        0x10d43611f - middle::typeck::check::autoderef::h7313512288943139136
  12:        0x10d42d602 - middle::typeck::check::method::lookup::h3508c869c83469e0QRR
  13:        0x10d485ceb - middle::typeck::check::check_expr_with_unifier::h53965b1c609c1524XCY
  14:        0x10d4518d1 - middle::typeck::check::check_block_with_expected::h024202c307559401PJ0
  15:        0x10d44d342 - middle::typeck::check::check_fn::h53705ecdc59555f59oV
  16:        0x10d44c86f - middle::typeck::check::check_bare_fn::h109a71c0aa389197oeV
  17:        0x10d454010 - middle::typeck::check::check_method_body::h29ca20f50a717bbchJV
  18:        0x10d449848 - middle::typeck::check::check_item::h92864fa88bd7af97xyV
  19:        0x10d44bf42 - visit::Visitor::visit_mod::h4077404214488974064
  20:        0x10d44aa90 - visit::walk_item::h5766717815990464808
  21:        0x10d44c6ca - middle::typeck::check::check_item_types::h11bed99b52d5f1e5ydV
  22:        0x10cf62cc6 - util::common::time::h2348211270054626022
  23:        0x10d70cbae - middle::typeck::check_crate::hb4ff366b57eeda13ZVn
  24:        0x10d7751df - driver::driver::phase_3_run_analysis_passes::h390e9ff4f12fa3bclEA
  25:        0x10d76f8c8 - driver::driver::compile_input::h313e8e2950a5b0a86kA
  26:        0x10d7ed3c8 - driver::run_compiler::h05f113a4aa815618K7D
  27:        0x10d7eb5ee - driver::run::closure.145351
  28:        0x10cf7afbb - task::TaskBuilder<S>::try_future::closure.103711
  29:        0x10cf7aeb3 - task::TaskBuilder<S>::spawn_internal::closure.103682
  30:        0x10cefec2d - task::NativeSpawner.Spawner::spawn::closure.8527
  31:        0x11047cdac - rust_try_inner
  32:        0x11047cd96 - rust_try
  33:        0x110410317 - unwind::try::hac0a5b0165f17d6euzd
  34:        0x1104101ac - task::Task::run::hd49a1d5582fa2326hLc
  35:        0x10cefea53 - task::NativeSpawner.Spawner::spawn::closure.8464
  36:        0x1104119d7 - thread::thread_start::hfb84dd18d767c327w6c
  37:     0x7fff87d4f2fc - _pthread_body
  38:     0x7fff87d4f279 - _pthread_body


--- stderr
/Users/j/.cargo/git/checkouts/lmdb-rs-b94d0ef3cf220b0d/master/src/lib.rs:1:1: 1:1 error: internal compiler error: Type parameter out of range when substituting in region 'a (root type='acore::NativeTransaction<'a>) (space=FnSpace, index=0)
/Users/j/.cargo/git/checkouts/lmdb-rs-b94d0ef3cf220b0d/master/src/lib.rs:1 #![crate_name = "lmdb"]
                                                                           ^
note: the compiler unexpectedly panicked. this is a bug.

[jedisct1]

Seems to be the same issue as #18232