rust-dependencies: pin the dependencies of hg-core to prevent breakage
A new version of the `rand` crate broke two discovery tests. We should
upgrade our dependencies periodically manually.
Differential Revision: https://phab.mercurial-scm.org/D7115
--- a/rust/hg-core/Cargo.toml Tue Oct 15 19:13:47 2019 -0700
+++ b/rust/hg-core/Cargo.toml Wed Oct 16 15:27:17 2019 +0200
@@ -12,6 +12,6 @@
byteorder = "1.3.1"
lazy_static = "1.3.0"
memchr = "2.2.0"
-rand = "> 0.6.4"
-rand_pcg = "> 0.1.0"
-regex = "^1.1"
+rand = "0.6.5"
+rand_pcg = "0.1.1"
+regex = "1.1.0"