[INFO] crate cex_derive 0.1.1 is already in cache
[INFO] extracting crate cex_derive 0.1.1 into work/ex/clippy-test-run/sources/stable/reg/cex_derive/0.1.1
[INFO] extracting crate cex_derive 0.1.1 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cex_derive/0.1.1
[INFO] validating manifest of cex_derive-0.1.1 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cex_derive-0.1.1 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cex_derive-0.1.1
[INFO] finished frobbing cex_derive-0.1.1
[INFO] frobbed toml for cex_derive-0.1.1 written to work/ex/clippy-test-run/sources/stable/reg/cex_derive/0.1.1/Cargo.toml
[INFO] started frobbing cex_derive-0.1.1
[INFO] finished frobbing cex_derive-0.1.1
[INFO] frobbed toml for cex_derive-0.1.1 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/cex_derive/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting cex_derive-0.1.1 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/cex_derive/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d01280760b666acf41738ece482254a9a4d94faf580e116fdb00c32c92de1f4a
[INFO] running `"docker" "start" "-a" "d01280760b666acf41738ece482254a9a4d94faf580e116fdb00c32c92de1f4a"`
[INFO] [stderr]     Checking cex_derive v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]   --> src/lib.rs:41:34
[INFO] [stderr]    |
[INFO] [stderr] 41 |     if let Type::Path( TypePath{ qself:_, ref mut path }) = ty {
[INFO] [stderr]    |                                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]    = help: Try with `TypePath { ref mut path, .. }`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]   --> src/lib.rs:63:62
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 self.cex_path = if let Type::Path( TypePath{ qself:_, path }) = cex_type { Some( path.clone() )} else { None };
[INFO] [stderr]    |                                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Try with `TypePath { path, .. }`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]   --> src/lib.rs:41:34
[INFO] [stderr]    |
[INFO] [stderr] 41 |     if let Type::Path( TypePath{ qself:_, ref mut path }) = ty {
[INFO] [stderr]    |                                  ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]    = help: Try with `TypePath { ref mut path, .. }`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]   --> src/lib.rs:63:62
[INFO] [stderr]    |
[INFO] [stderr] 63 |                 self.cex_path = if let Type::Path( TypePath{ qself:_, path }) = cex_type { Some( path.clone() )} else { None };
[INFO] [stderr]    |                                                              ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: Try with `TypePath { path, .. }`
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unneeded_field_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/lib.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / fn mut_generics<'a>( ty: &'a mut Type ) -> impl Iterator<Item=&'a mut Type> {
[INFO] [stderr] 41 | |     if let Type::Path( TypePath{ qself:_, ref mut path }) = ty {
[INFO] [stderr] 42 | |         if let Some( segment ) = path.segments.iter_mut().last() {
[INFO] [stderr] 43 | |             if let PathArguments::AngleBracketed( ref mut generic ) = segment.arguments {
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     syntax_err!();
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/lib.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 self.err_types = mut_generics( cex_type ).map( |err| err.clone() ).collect::<Vec<_>>();
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `mut_generics( cex_type ).cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/lib.rs:140:23
[INFO] [stderr]     |
[INFO] [stderr] 140 |               acc.push( syn::ItemImpl::from(
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 141 | |                 if deriving_cex {
[INFO] [stderr] 142 | |                     parse_quote! {
[INFO] [stderr] 143 | |                         impl #impl_generics From<#current_cex_name #ty_generics> for __CeX<#(#concrete_errors),*>
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |                 }
[INFO] [stderr] 165 | |             ));
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] help: consider removing `syn::ItemImpl::from()`
[INFO] [stderr]     |
[INFO] [stderr] 140 |             acc.push( if deriving_cex {
[INFO] [stderr] 141 |                     parse_quote! {
[INFO] [stderr] 142 |                         impl #impl_generics From<#current_cex_name #ty_generics> for __CeX<#(#concrete_errors),*>
[INFO] [stderr] 143 |                             where Self: From<<#current_cex_name #ty_generics as #cex_trait>::LR>
[INFO] [stderr] 144 |                         {
[INFO] [stderr] 145 |                             fn from( src: #current_cex_name #ty_generics ) -> Self {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/lib.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / fn mut_generics<'a>( ty: &'a mut Type ) -> impl Iterator<Item=&'a mut Type> {
[INFO] [stderr] 41 | |     if let Type::Path( TypePath{ qself:_, ref mut path }) = ty {
[INFO] [stderr] 42 | |         if let Some( segment ) = path.segments.iter_mut().last() {
[INFO] [stderr] 43 | |             if let PathArguments::AngleBracketed( ref mut generic ) = segment.arguments {
[INFO] [stderr] ...  |
[INFO] [stderr] 54 | |     syntax_err!();
[INFO] [stderr] 55 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> src/lib.rs:64:34
[INFO] [stderr]    |
[INFO] [stderr] 64 |                 self.err_types = mut_generics( cex_type ).map( |err| err.clone() ).collect::<Vec<_>>();
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `mut_generics( cex_type ).cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: identical conversion
[INFO] [stderr]    --> src/lib.rs:140:23
[INFO] [stderr]     |
[INFO] [stderr] 140 |               acc.push( syn::ItemImpl::from(
[INFO] [stderr]     |  _______________________^
[INFO] [stderr] 141 | |                 if deriving_cex {
[INFO] [stderr] 142 | |                     parse_quote! {
[INFO] [stderr] 143 | |                         impl #impl_generics From<#current_cex_name #ty_generics> for __CeX<#(#concrete_errors),*>
[INFO] [stderr] ...   |
[INFO] [stderr] 164 | |                 }
[INFO] [stderr] 165 | |             ));
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_conversion)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_conversion
[INFO] [stderr] help: consider removing `syn::ItemImpl::from()`
[INFO] [stderr]     |
[INFO] [stderr] 140 |             acc.push( if deriving_cex {
[INFO] [stderr] 141 |                     parse_quote! {
[INFO] [stderr] 142 |                         impl #impl_generics From<#current_cex_name #ty_generics> for __CeX<#(#concrete_errors),*>
[INFO] [stderr] 143 |                             where Self: From<<#current_cex_name #ty_generics as #cex_trait>::LR>
[INFO] [stderr] 144 |                         {
[INFO] [stderr] 145 |                             fn from( src: #current_cex_name #ty_generics ) -> Self {
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.96s
[INFO] running `"docker" "inspect" "d01280760b666acf41738ece482254a9a4d94faf580e116fdb00c32c92de1f4a"`
[INFO] running `"docker" "rm" "-f" "d01280760b666acf41738ece482254a9a4d94faf580e116fdb00c32c92de1f4a"`
[INFO] [stdout] d01280760b666acf41738ece482254a9a4d94faf580e116fdb00c32c92de1f4a