rust-parallel: 1.18.1 -> 1.20.0

skipped new test 'test_keep_order_with_sleep', uses FHS /bin/bash -
patching would break reproduceable build AFAICT

pkgs/by-name/ru/rust-parallel/package.nix

@@ -9,24 +9,25 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "rust-parallel";
-  version = "1.18.1";
+  version = "1.20.0";
 
   src = fetchFromGitHub {
     owner = "aaronriekenberg";
     repo = "rust-parallel";
     rev = "v${version}";
-    hash = "sha256-4f/JE8KWYDdLwx+bCSSbz0Cpfy/g3WIaRzqCvUix4t0=";
+    hash = "sha256-osuuEYOktSMmpKURXvn0rWUeBgFV07aTeM8oxkiCe10=";
   };
 
-  cargoHash = "sha256-wJtXYx2mncOnnUep4CMFt+1mK1vMyhYFCQM/2B9m6zY=";
+  cargoHash = "sha256-20Lr7nRhr7Vrkk31iCioxmYpXYOfQFAmPkyHe1Nfijc=";
 
   postPatch = ''
     substituteInPlace tests/dummy_shell.sh \
-      --replace "/bin/bash" "${bash}/bin/bash"
+      --replace-fail "/bin/bash" "${bash}/bin/bash"
   '';
 
   checkFlags = [
     "--skip=runs_echo_commands_dry_run"
+    "--skip=test_keep_order_with_sleep"
 
     "--skip=runs_regex_command_with_dollar_signs"
     "--skip=runs_regex_from_command_line_args_nomatch_1"