Fix some typos, toml fmt and clippys

.cargo/audit.toml

@@ -1,13 +1,13 @@
 [advisories]
 ignore = [
-    # title: Potential segfault in the time crate
-    # This can be ignored because it only affects users that use the feature flag "clock" of "chrono",
-    # which we do not. Specifically: 
-    # * the call of "localtime_r" [is unsound](https://github.com/chronotope/chrono/issues/602#issuecomment-940445390)
-    # * that call [is part of the module "sys"](https://docs.rs/chrono/0.4.19/src/chrono/sys/unix.rs.html#84)
-    # * "sys" is only available on feature "clock": https://docs.rs/chrono/0.4.19/src/chrono/lib.rs.html#456
-    # 
-    # Therefore, this advisory does not affect us.
-    "RUSTSEC-2020-0071",
-    "RUSTSEC-2020-0159", # same as previous
+  # title: Potential segfault in the time crate
+  # This can be ignored because it only affects users that use the feature flag "clock" of "chrono",
+  # which we do not. Specifically: 
+  # * the call of "localtime_r" [is unsound](https://github.com/chronotope/chrono/issues/602#issuecomment-940445390)
+  # * that call [is part of the module "sys"](https://docs.rs/chrono/0.4.19/src/chrono/sys/unix.rs.html#84)
+  # * "sys" is only available on feature "clock": https://docs.rs/chrono/0.4.19/src/chrono/lib.rs.html#456
+  # 
+  # Therefore, this advisory does not affect us.
+  "RUSTSEC-2020-0071",
+  "RUSTSEC-2020-0159", # same as previous
 ]