remove unused allow() attributes, NFC

clippy_lints/src/consts.rs

@@ -293,7 +293,7 @@ impl<'c, 'cc> ConstEvalLateContext<'c, 'cc> {
                     instance,
                     promoted: None,
                 };
-                
+
                 let result = self.tcx.const_eval(self.param_env.and(gid)).ok()?;
                 let ret = miri_to_const(self.tcx, result);
                 if ret.is_some() {

clippy_lints/src/drop_forget_ref.rs

@@ -116,7 +116,6 @@ const DROP_COPY_SUMMARY: &str = "calls to `std::mem::drop` with a value that imp
 const FORGET_COPY_SUMMARY: &str = "calls to `std::mem::forget` with a value that implements Copy. \
                                    Forgetting a copy leaves the original intact.";
 
-#[allow(missing_copy_implementations)]
 pub struct Pass;
 
 impl LintPass for Pass {

clippy_lints/src/enum_variants.rs

@@ -156,8 +156,6 @@ fn partial_rmatch(post: &str, name: &str) -> usize {
         .count()
 }
 
-// FIXME: #600
-#[allow(clippy::while_let_on_iterator)]
 fn check_variant(
     cx: &EarlyContext<'_>,
     threshold: u64,

clippy_lints/src/eta_reduction.rs

@@ -15,7 +15,6 @@ use crate::rustc::hir::*;
 use crate::utils::{is_adjusted, iter_input_pats, snippet_opt, span_lint_and_then};
 use crate::rustc_errors::Applicability;
 
-#[allow(missing_copy_implementations)]
 pub struct EtaPass;
 
 

clippy_lints/src/lib.rs

@@ -15,7 +15,7 @@
 #![feature(slice_patterns)]
 #![feature(stmt_expr_attributes)]
 #![feature(range_contains)]
-#![allow(clippy::shadow_reuse, clippy::missing_docs_in_private_items)]
+#![allow(clippy::missing_docs_in_private_items)]
 #![recursion_limit = "256"]
 #![feature(macro_at_most_once_rep)]
 
@@ -1005,7 +1005,7 @@ pub fn register_plugins(reg: &mut rustc_plugin::Registry<'_>, conf: &Conf) {
 
 // only exists to let the dogfood integration test works.
 // Don't run clippy as an executable directly
-#[allow(dead_code, clippy::print_stdout)]
+#[allow(dead_code)]
 fn main() {
     panic!("Please use the cargo-clippy executable");
 }

clippy_lints/src/minmax.rs

@@ -35,7 +35,6 @@ declare_clippy_lint! {
     "`min(_, max(_, _))` (or vice versa) with bounds clamping the result to a constant"
 }
 
-#[allow(missing_copy_implementations)]
 pub struct MinMaxPass;
 
 impl LintPass for MinMaxPass {

clippy_lints/src/panic_unimplemented.rs

@@ -52,7 +52,6 @@ declare_clippy_lint! {
     "`unimplemented!` should not be present in production code"
 }
 
-#[allow(missing_copy_implementations)]
 pub struct Pass;
 
 impl LintPass for Pass {

clippy_lints/src/redundant_pattern_matching.rs

@@ -63,7 +63,6 @@ impl LintPass for Pass {
 }
 
 impl<'a, 'tcx> LateLintPass<'a, 'tcx> for Pass {
-    #[allow(clippy::similar_names)]
     fn check_expr(&mut self, cx: &LateContext<'a, 'tcx>, expr: &'tcx Expr) {
         if let ExprKind::Match(ref op, ref arms, ref match_source) = expr.node {
             match match_source {

clippy_lints/src/types.rs

@@ -34,7 +34,6 @@ use crate::utils::paths;
 use crate::consts::{constant, Constant};
 
 /// Handles all the linting of funky types
-#[allow(missing_copy_implementations)]
 pub struct TypePass;
 
 /// **What it does:** Checks for use of `Box<Vec<_>>` anywhere in the code.
@@ -371,7 +370,6 @@ fn is_any_trait(t: &hir::Ty) -> bool {
     false
 }
 
-#[allow(missing_copy_implementations)]
 pub struct LetPass;
 
 /// **What it does:** Checks for binding a unit value.
@@ -447,7 +445,6 @@ declare_clippy_lint! {
     "comparing unit values"
 }
 
-#[allow(missing_copy_implementations)]
 pub struct UnitCmp;
 
 impl LintPass for UnitCmp {
@@ -1142,7 +1139,6 @@ declare_clippy_lint! {
     "usage of very complex types that might be better factored into `type` definitions"
 }
 
-#[allow(missing_copy_implementations)]
 pub struct TypeComplexityPass {
     threshold: u64,
 }

clippy_lints/src/utils/author.rs

@@ -11,8 +11,6 @@
 //! A group of attributes that can be attached to Rust code in order
 //! to generate a clippy lint detecting said code automatically.
 
-#![allow(clippy::print_stdout, clippy::use_debug)]
-
 use crate::rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};
 use crate::rustc::{declare_tool_lint, lint_array};
 use crate::rustc::hir;

clippy_lints/src/utils/inspector.rs

@@ -8,8 +8,6 @@
 // except according to those terms.
 
 
-#![allow(clippy::print_stdout, clippy::use_debug)]
-
 //! checks for attributes
 
 use crate::rustc::lint::{LateContext, LateLintPass, LintArray, LintPass};

src/driver.rs

@@ -27,7 +27,6 @@ use std::convert::TryInto;
 use std::path::Path;
 use std::process::{exit, Command};
 
-#[allow(clippy::print_stdout)]
 fn show_version() {
     println!(env!("CARGO_PKG_VERSION"));
 }

src/main.rs

@@ -41,12 +41,10 @@ it to allow or deny lints from the code, eg.:
     #[cfg_attr(feature = "cargo-clippy", allow(needless_lifetimes))]
 "#;
 
-#[allow(clippy::print_stdout)]
 fn show_help() {
     println!("{}", CARGO_CLIPPY_HELP);
 }
 
-#[allow(clippy::print_stdout)]
 fn show_version() {
     let version_info = rustc_tools_util::get_version_info!();
     println!("{}", version_info);