Add unit test for discarding invalid messages

Author: sophokles73

Cargo.lock

@@ -31,7 +31,7 @@ cli = ["clap"]
 [dependencies]
 async-channel = { version = "1.9" }
 async-trait = { version = "0.1" }
-backon = { version = "1.5", default-features = false, features = ["tokio-sleep"] }
+backon = { version = "1.6", default-features = false, features = ["tokio-sleep"] }
 bytes = { version = "1.10.1" }
 clap = { version = "4.5", optional = true, default-features = false, features = [
     "std",
@@ -52,15 +52,15 @@ tokio = { version = "1.45.1", default-features = false, features = ["rt", "rt-mu
 up-rust = { version = "0.9", default-features = false }
 
 [build-dependencies]
-testcontainers = { version = "0.25.1", features = ["blocking"] }
+testcontainers = { version = "0.26.0", default-features = false, features = ["blocking"] }
 
 [dev-dependencies]
 env_logger = { version = "0.11.8" }
-mockall = { version = "0.13.1" }
+mockall = { version = "0.14.0" }
 serial_test = { version = "3.2.0" }
 tempfile = { version = "3.23.0" }
 test-case = { version = "3.3.1" }
-testcontainers = { version = "0.25.2" }
+testcontainers = { version = "0.26.0", default-features = false }
 tokio = { version = "1.45.1", default-features = false, features = [
     "macros",
     "rt",

Cargo.toml

@@ -26,7 +26,6 @@ allow = [
     # Unicode-3.0 is not (yet) on the Eclipse Foundation's list of approved licenses
     # however, all of its predecessors are, thus we assume that 3.0 is also ok to use
     "Unicode-3.0",
-    "Zlib",
 ]
 private = { ignore = true }
 
@@ -35,6 +34,12 @@ multiple-versions = "deny"
 wildcards = "deny"
 skip-tree = [
     { crate = "windows-sys", reason = "a foundational crate for many that bumps far too frequently to ever have a shared version" },
-    { crate = "getrandom@0.2.15", reason = "an outdated version that is still used by some other crates we depend on" },
     { crate = "testcontainers", reason = "this crate (and its deps) is only used for testing" },
 ]
+
+[advisories]
+ignore = [
+    # this affects a transitive dependency via testcontainers which is only used during
+    # the build and test process
+    "RUSTSEC-2025-0134",
+]