Racer crashes when point on macro

[wx]

Racer is crashing on macro
racer find-definition 591 21 /e/src/rust/racer/src/racer/core.rs
thread '

' panicked at 'assertion failed: begin <= end', ../src/libcore\str/mod.rs:1597
stack backtrace:
0: 0x106034f - panicking::default_handler::h420bf150f1e4c926eYz
1: 0x1022161 - sys_common::unwind::begin_unwind_inner::h90f7d623e5bb39adtSt
2: 0x107367a - _rust_allocate
3: 0x109d1a3 - str::slice_error_fail::h6786c3215a2e1b54DjT
4: 0x6f7969 - nameres::search_scope_headers::h029c9bb79acfa4a08fe
at src/racer/nameres.rs:201
5: 0x70f9ce - nameres::search_local_scopes::hb275163c49eca536w5e
at src/racer/nameres.rs:766
6: 0x703ae1 - nameres::resolve_name::h65ba2ba162f7055folf
at src/racer/nameres.rs:897
7: 0x634d5c - nameres::resolve_path::h3d0b8add750b5f35fvf
at src/racer/nameres.rs:976
8: 0x6392ba - core::find_definition::hbd076feac48a07f2Hqb
at src/racer/core.rs:721
9: 0x6389ae - core::find_definition::h0a24f5130ff7bc99hqb
at src/racer/core.rs:695
10: 0x426af3 - find_definition::h6d833986e8176c613va
at src/bin/main.rs:232
11: 0x4b84ee - run::h48838a92cf640daayKa
at src/bin/main.rs:452
12: 0x4bb636 - main::hfcf4105fa9fe08ceXJa
at src/bin/main.rs:437
13: 0x105fbad - sys_common::unwind::try::try_fn::h7655994709127217913
14: 0x4bb812 - main
15: 0x4013dd - __tmainCRTStartup
16: 0x766838f3 - strchr
17: 0x77955de2 - strchr

I am under mingw64 and last version of racer.
git tag is c3ea9ba