Fix nightly warnings

Author: jsgf

tracing-appender/src/lib.rs

@@ -133,7 +133,6 @@
  rust_2018_idioms,
  unreachable_pub,
  bad_style,
- const_err,
  dead_code,
  improper_ctypes,
  non_shorthand_field_patterns,

tracing-attributes/src/lib.rs

@@ -64,7 +64,6 @@
  rust_2018_idioms,
  unreachable_pub,
  bad_style,
- const_err,
  dead_code,
  improper_ctypes,
  non_shorthand_field_patterns,

tracing-core/src/field.rs

@@ -231,6 +231,7 @@ pub trait Visit {
  /// <strong>Note</strong>: This is only enabled when the Rust standard library is
  /// present.
  /// </pre>
+ /// </div>
  #[cfg(feature = "std")]
  #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
  fn record_error(&mut self, field: &Field, value: &(dyn std::error::Error + 'static)) {

tracing-core/src/lib.rs

@@ -146,7 +146,6 @@
  rust_2018_idioms,
  unreachable_pub,
  bad_style,
- const_err,
  dead_code,
  improper_ctypes,
  non_shorthand_field_patterns,

tracing-error/src/lib.rs

@@ -190,7 +190,6 @@
  rust_2018_idioms,
  unreachable_pub,
  bad_style,
- const_err,
  dead_code,
  improper_ctypes,
  non_shorthand_field_patterns,

tracing-flame/src/lib.rs

@@ -117,7 +117,6 @@
  rust_2018_idioms,
  unreachable_pub,
  bad_style,
- const_err,
  dead_code,
  improper_ctypes,
  non_shorthand_field_patterns,
@@ -134,8 +133,7 @@
  while_true
 )]
 
-pub use error::Error;
-
+use error::Error;
 use error::Kind;
 use once_cell::sync::Lazy;
 use std::cell::Cell;

tracing-futures/src/executor/mod.rs

@@ -1,7 +1,5 @@
 #[cfg(feature = "futures-01")]
 mod futures_01;
-#[cfg(feature = "futures-01")]
-pub use self::futures_01::*;
 
 #[cfg(feature = "futures_preview")]
 mod futures_preview;

tracing-futures/src/lib.rs

@@ -83,7 +83,6 @@
  rust_2018_idioms,
  unreachable_pub,
  bad_style,
- const_err,
  dead_code,
  improper_ctypes,
  non_shorthand_field_patterns,

tracing-log/src/lib.rs

@@ -109,7 +109,6 @@
  rust_2018_idioms,
  unreachable_pub,
  bad_style,
- const_err,
  dead_code,
  improper_ctypes,
  non_shorthand_field_patterns,

tracing-serde/src/lib.rs

@@ -153,7 +153,6 @@
  rust_2018_idioms,
  unreachable_pub,
  bad_style,
- const_err,
  dead_code,
  improper_ctypes,
  non_shorthand_field_patterns,