Update to zstd-1.4.x

Summary:
* Update to zstd-1.4.x
* Update to the latest zstd-rs

Reviewed By: Cyan4973

Differential Revision: D15040909

fbshipit-source-id: 938904d95ab8b1108d750d83602ee9c11c2c87b5

exec/scm_daemon/Cargo.toml

@@ -7,7 +7,7 @@ failure = "0.1.3"
 clap = "2.32.0"
 log = "0.4.6"
 env_logger = "0.6.0"
-toml = "0.4.8"
+toml = "0.5.0"
 serde = "1.0.80"
 serde_derive = "1.0.80"
 

exec/scratch/Cargo.toml

@@ -10,7 +10,7 @@ failure = "0.1"
 libc = "0.2" # version taken from fbcode/third-party2/.../crates.io/..
 serde = "1.0"
 serde_derive = "1.0"
-toml = "0.4"
+toml = "0.5"
 
 [dependencies.telemetry]
 path = "../../../telemetry/telemetry"

lib/zstdelta/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 
 [dependencies]
 libc = "0.2.43" # keep it in sync with zstd-sys
-zstd-sys = "= 1.4.6+zstd.1.3.7" # pinned. zstd advanced API changes rapidly
+zstd-sys = { version = "= 1.4.10+zstd.1.4.0", features = ["experimental"] } # pinned. zstd advanced API changes rapidly
 
 [dev-dependencies]
 quickcheck = "0.6"

lib/zstdelta/src/zstdelta.rs

@@ -52,7 +52,7 @@ pub fn diff(base: &[u8], data: &[u8]) -> io::Result<Vec<u8>> {
         chainLog: ZSTD_CHAINLOG_MIN, // useless using "fast" strategy
         hashLog: hlog,
         searchLog: ZSTD_SEARCHLOG_MIN, // useless using "fast" strategy
-        searchLength: 7,               // level 1 default (see ZSTD_defaultCParameters)
+        minMatch: 7,               // level 1 default (see ZSTD_defaultCParameters)
         targetLength: 0, // enable huffman compression of literals (for "fast" strategy)
         strategy: ZSTD_strategy::ZSTD_fast,
     };