Bump rust-toolchain and linked-list-allocator versions.

patches/libtock-rs/01-linked_list_allocator.patch

+diff --git a/Cargo.toml b/Cargo.toml
+index 29d9b79..30081f3 100644
+--- a/Cargo.toml
++++ b/Cargo.toml
+@@ -6,7 +6,7 @@ license = "MIT/Apache-2.0"
+ edition = "2018"
+ 
+ [dependencies]
+-linked_list_allocator = "0.6.4"
++linked_list_allocator = "0.6.6"
+ 
+ [dev-dependencies]
+ corepack = { version = "0.4.0", default-features = false, features = ["alloc"] }

patches/libtock-rs/01-panic_console.patch → patches/libtock-rs/02-panic_console.patch

@@ -4,7 +4,7 @@ diff --git a/Cargo.toml b/Cargo.toml
 @@ -7,6 +7,9 @@
 
  [dependencies]
- linked_list_allocator = "0.6.4"
+ linked_list_allocator = "0.6.6"
 +
 +[features]
 +panic_console = []

rust-toolchain

-nightly-2020-01-16
+nightly-2020-02-03