Update stable library feature list by Travis CI build 1563

Author: Travis CI

stable_library_feature.txt

@@ -417,7 +417,7 @@ nonzero                           1.28.0  2019-11-27 10:29:00 -0800  2020-09-04
 from_ref                          1.28.0  2019-11-29 19:30:49 -0800  2020-09-04 04:46:02 +0000
 slice_get_slice                   1.28.0  2019-11-29 19:30:49 -0800  2020-09-04 02:26:45 +0000
 from_bool                         1.28.0  2019-12-02 09:44:48 +0100  2019-12-02 09:44:48 +0100
-alloc_layout                      1.28.0  2020-03-24 11:45:38 +0100  2020-09-10 09:40:40 +0200
+alloc_layout                      1.28.0  2020-03-24 11:45:38 +0100  2020-09-28 19:43:39 -0400
 entry_or_default                  1.28.0  2020-09-22 19:34:05 +0100  2020-10-12 08:44:53 -0400
 proc_macro_lib2                   1.29.0  2018-03-16 01:09:22 +0200  2019-12-22 17:42:04 -0500
 never_hash                        1.29.0  2018-06-06 19:40:03 -0400  2018-06-06 19:40:03 -0400
@@ -596,6 +596,8 @@ raw_fd_reflexive_traits           1.48.0  2020-09-20 13:21:42 +0200  2020-09-20
 write_mt                          1.48.0  2020-09-21 08:12:40 +0100  2020-09-21 08:12:40 +0100
 slice_ptr_range                   1.48.0  2020-09-23 17:02:58 +0200  2020-09-23 17:02:58 +0200
 renamed_spin_loop                 1.49.0  2020-08-30 10:35:50 +0800  2020-08-30 10:35:50 +0800
+alloc_layout_error                1.49.0  2020-09-24 18:56:57 -0400  2020-09-24 18:56:57 -0400
 slice_select_nth_unstable         1.49.0  2020-10-06 21:54:05 -0400  2020-10-06 21:54:05 -0400
 nzint_try_from_nzint_conv         1.49.0  2020-10-15 21:30:28 +0200  2020-10-15 21:30:28 +0200
+index_trait_on_arrays             1.50.0  2020-07-31 23:19:10 +0300  2020-07-31 23:19:10 +0300
 a                                 b       2019-11-12 11:45:21 +0100  2019-11-12 11:45:21 +0100