diff -r 4afd6cc447b9 -r e834b79def74 rust/Cargo.lock
--- a/rust/Cargo.lock	Thu Sep 09 18:07:40 2021 +0200
+++ b/rust/Cargo.lock	Fri Sep 10 09:53:09 2021 +0200
@@ -388,7 +388,7 @@
  "itertools",
  "lazy_static",
  "log",
- "memmap",
+ "memmap2",
  "micro-timer",
  "pretty_assertions",
  "rand",
@@ -512,13 +512,12 @@
 checksum = "0ee1c47aaa256ecabcaea351eae4a9b01ef39ed810004e298d2511ed284b1525"
 
 [[package]]
-name = "memmap"
-version = "0.7.0"
+name = "memmap2"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6585fd95e7bb50d6cc31e20d4cf9afb4e2ba16c5846fc76793f11218da9c475b"
+checksum = "00b6c2ebff6180198788f5db08d7ce3bc1d0b617176678831a7510825973e357"
 dependencies = [
  "libc",
- "winapi",
 ]
 
 [[package]]