Fix `sky-bench testkey` causing RST due to wrong buffer size

Also fixed linuxpkg harness that was broken due to code cleanup
in 14d9eb4bac

CHANGELOG.md

@@ -41,6 +41,7 @@ All changes in this project will be noted in this file.
   - Fixed edge case where time on host is incorrect, resulting in bad snapshot names which might
     ultimately lead to loss of snapshot data
   - Fixed remote snapshots with same names being overwritten
+- (sky-bench) Fixed `testkey` causing RSTs
 
 ## Version 0.7.4
 

harness/src/linuxpkg.rs

@@ -73,7 +73,7 @@ pub fn create_linuxpkg(package_type: LinuxPackageType) -> HarnessResult<()> {
             // install cargo-deb
             util::handle_child("install cargo-deb", cmd!("cargo", "install", "cargo-deb"))?;
             // assemble the command
-            let mut build_args = vec!["deb".to_owned()];
+            let mut build_args = vec!["cargo".into(), "deb".to_owned()];
             if let Some(t) = util::get_var(util::VAR_TARGET) {
                 build_args.push("--target".to_string());
                 build_args.push(t);

sky-bench/src/testkey.rs

@@ -44,7 +44,7 @@ pub fn create_testkeys(host: &str, port: u16, num: usize, connections: usize, si
         move || TcpStream::connect(host.clone()).unwrap(),
         |sock, packet: Vec<u8>| {
             sock.write_all(&packet).unwrap();
-            let mut buf = [0u8; 7];
+            let mut buf = [0u8; 8];
             let _ = sock.read_exact(&mut buf).unwrap();
         },
         |socket| {