Switch to memmap2 fork

frozen-abi/Cargo.toml

@@ -21,7 +21,7 @@ thiserror = "1.0"
 [target.'cfg(not(target_arch = "bpf"))'.dependencies]
 solana-logger = { path = "../logger", version = "1.5.0" }
 generic-array = { version = "0.14.3", default-features = false, features = ["serde", "more_lengths"]}
-memmap = "0.7.0"
+memmap2 = "0.1.0"
 
 [build-dependencies]
 rustc_version = "0.2"

frozen-abi/src/abi_example.rs

@@ -415,9 +415,9 @@ impl<T: std::cmp::Ord + AbiExample> AbiExample for BTreeSet<T> {
 }
 
 #[cfg(not(target_arch = "bpf"))]
-impl AbiExample for memmap::MmapMut {
+impl AbiExample for memmap2::MmapMut {
     fn example() -> Self {
-        memmap::MmapMut::map_anon(1).expect("failed to map the data file")
+        memmap2::MmapMut::map_anon(1).expect("failed to map the data file")
     }
 }