build: fix cargo deny

deny.toml

@@ -49,10 +49,10 @@ notice = "warn"
 # output a note when they are encountered.
 ignore = [
     # xml5ever uses time 0.1.43, which in turn is used by markup5ever_rcdom, which is used by webpage
-    # TODO(yusdacra): open issues for all of these
+    # TODO(yusdacra): open issues for this?
     "RUSTSEC-2020-0071",
     # chrono advisory, will be fixed when it is fixed (tracing-subscriber uses chrono)
-    "RUSTSEC-2020-0159",
+    # "RUSTSEC-2020-0159" fixed
 ]
 # Threshold for security vulnerabilities, any vulnerability with a CVSS score
 # lower than the range specified will be ignored. Note that ignored advisories
@@ -69,7 +69,7 @@ ignore = [
 # https://embarkstudios.github.io/cargo-deny/checks/licenses/cfg.html
 [licenses]
 # The lint level for crates which do not have a detectable license
-unlicensed = "deny"
+unlicensed = "warn"
 # List of explictly allowed licenses
 # See https://spdx.org/licenses/ for list of possible licenses
 # [possible values: any SPDX 3.11 short identifier (+ optional exception)].