[INFO] updating cached repository neerajbisht1987/hellocargo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/neerajbisht1987/hellocargo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/neerajbisht1987/hellocargo" "work/ex/clippy-test-run/sources/stable/gh/neerajbisht1987/hellocargo"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/neerajbisht1987/hellocargo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/neerajbisht1987/hellocargo" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/neerajbisht1987/hellocargo"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/neerajbisht1987/hellocargo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 898c0403c77f18e63b407329e244627069ced582
[INFO] sha for GitHub repo neerajbisht1987/hellocargo: 898c0403c77f18e63b407329e244627069ced582
[INFO] validating manifest of neerajbisht1987/hellocargo 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 neerajbisht1987/hellocargo 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 neerajbisht1987/hellocargo
[INFO] finished frobbing neerajbisht1987/hellocargo
[INFO] frobbed toml for neerajbisht1987/hellocargo written to work/ex/clippy-test-run/sources/stable/gh/neerajbisht1987/hellocargo/Cargo.toml
[INFO] started frobbing neerajbisht1987/hellocargo
[INFO] finished frobbing neerajbisht1987/hellocargo
[INFO] frobbed toml for neerajbisht1987/hellocargo written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/neerajbisht1987/hellocargo/Cargo.toml
[INFO] crate neerajbisht1987/hellocargo has a lockfile. skipping
[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 neerajbisht1987/hellocargo against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/neerajbisht1987/hellocargo:/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 -Dclippy::into_iter_on_array" "-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] a64f7902ee7c0e1069d222ebcc20c862334e20241a924e6f1943037f887366f3
[INFO] running `"docker" "start" "-a" "a64f7902ee7c0e1069d222ebcc20c862334e20241a924e6f1943037f887366f3"`
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: You matched a field with a wildcard pattern. Consider using `..` instead
[INFO] [stderr]    --> src/main.rs:117:14
[INFO] [stderr]     |
[INFO] [stderr] 117 |         pair{x: v, y:_} if v == val => println!("find the matched value:"),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]     = help: Try with `pair { x: v, .. }`
[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/main.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 |         pair{x:_,y:x} => { println!("movingto next iteration");findvalue(*x,val)},
[INFO] [stderr]     |              ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Try with `pair { y:x, .. }`
[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/main.rs:117:14
[INFO] [stderr]     |
[INFO] [stderr] 117 |         pair{x: v, y:_} if v == val => println!("find the matched value:"),
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unneeded_field_pattern)] on by default
[INFO] [stderr]     = help: Try with `pair { x: v, .. }`
[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/main.rs:118:8
[INFO] [stderr]     |
[INFO] [stderr] 118 |         pair{x:_,y:x} => { println!("movingto next iteration");findvalue(*x,val)},
[INFO] [stderr]     |              ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: Try with `pair { y:x, .. }`
[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: unused variable: `mystruct`
[INFO] [stderr]    --> src/main.rs:126:6
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let mystruct = module1::MyStruct{i:2};    
[INFO] [stderr]     |         ^^^^^^^^ help: consider using `_mystruct` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/main.rs:178:6
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let b=rc.clone();
[INFO] [stderr]     |         ^ help: consider using `_b` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `news_article_nosummarization`
[INFO] [stderr]    --> src/main.rs:322:6
[INFO] [stderr]     |
[INFO] [stderr] 322 |     let news_article_nosummarization = NewsArticleNoSummarization{
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_news_article_nosummarization` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `news_article_nosummarization`
[INFO] [stderr]    --> src/main.rs:329:6
[INFO] [stderr]     |
[INFO] [stderr] 329 |     let news_article_nosummarization = NewsArticleNoSummarization{
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_news_article_nosummarization` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mystruct`
[INFO] [stderr]    --> src/main.rs:126:6
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let mystruct = module1::MyStruct{i:2};    
[INFO] [stderr]     |         ^^^^^^^^ help: consider using `_mystruct` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/main.rs:178:6
[INFO] [stderr]     |
[INFO] [stderr] 178 |     let b=rc.clone();
[INFO] [stderr]     |         ^ help: consider using `_b` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `news_article_nosummarization`
[INFO] [stderr]    --> src/main.rs:322:6
[INFO] [stderr]     |
[INFO] [stderr] 322 |     let news_article_nosummarization = NewsArticleNoSummarization{
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_news_article_nosummarization` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `news_article_nosummarization`
[INFO] [stderr]    --> src/main.rs:329:6
[INFO] [stderr]     |
[INFO] [stderr] 329 |     let news_article_nosummarization = NewsArticleNoSummarization{
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_news_article_nosummarization` instead
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MyBox`
[INFO] [stderr]  --> src/module1.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct MyBox<T>(T);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/module1.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(x: T) -> MyBox<T> {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MyStruct`
[INFO] [stderr]   --> src/module1.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct MyStruct {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ref_testing`
[INFO] [stderr]   --> src/main.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn ref_testing()
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `item_list`
[INFO] [stderr]   --> src/main.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | enum item_list {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `match_testing`
[INFO] [stderr]    --> src/main.rs:103:1
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn match_testing() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `findvalue`
[INFO] [stderr]    --> src/main.rs:113:1
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn findvalue(list:item_list,val:u32)
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `module_testing`
[INFO] [stderr]    --> src/main.rs:125:1
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn module_testing() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `List`
[INFO] [stderr]    --> src/main.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | enum List {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `Rfcell_testing`
[INFO] [stderr]    --> src/main.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn Rfcell_testing() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `refCount`
[INFO] [stderr]    --> src/main.rs:161:1
[INFO] [stderr]     |
[INFO] [stderr] 161 | struct refCount<T>
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reference_Count_Testing`
[INFO] [stderr]    --> src/main.rs:166:1
[INFO] [stderr]     |
[INFO] [stderr] 166 | fn reference_Count_Testing()
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `smarpointer_derefernce_testing`
[INFO] [stderr]    --> src/main.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn smarpointer_derefernce_testing()
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `static_lifetime_testing`
[INFO] [stderr]    --> src/main.rs:202:1
[INFO] [stderr]     |
[INFO] [stderr] 202 | fn static_lifetime_testing()
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `returnsamevalue`
[INFO] [stderr]    --> src/main.rs:218:1
[INFO] [stderr]     |
[INFO] [stderr] 218 | fn returnsamevalue(s:&str) ->&str{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lifetime_ann_fn_testing`
[INFO] [stderr]    --> src/main.rs:241:1
[INFO] [stderr]     |
[INFO] [stderr] 241 | fn lifetime_ann_fn_testing()
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `longest`
[INFO] [stderr]    --> src/main.rs:268:1
[INFO] [stderr]     |
[INFO] [stderr] 268 | fn longest<'a>(x:&'a str,y:&'a str) -> &'a str
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `trait_bound_with_vec_testing`
[INFO] [stderr]    --> src/main.rs:285:1
[INFO] [stderr]     |
[INFO] [stderr] 285 | fn trait_bound_with_vec_testing() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `largest`
[INFO] [stderr]    --> src/main.rs:297:1
[INFO] [stderr]     |
[INFO] [stderr] 297 | fn largest<T: PartialOrd + Copy>(list: &[T]) -> T {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `trait_bound_testing`
[INFO] [stderr]    --> src/main.rs:314:1
[INFO] [stderr]     |
[INFO] [stderr] 314 | fn trait_bound_testing() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `LinkList` should have a snake case name such as `link_list`
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | mod LinkList;
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `nodeInfo` should have a snake case name such as `node_info`
[INFO] [stderr]   --> src/LinkList.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     nodeInfo : Box<Information>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `LinkList_testing` should have a snake case name such as `link_list_testing`
[INFO] [stderr]   --> src/main.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / fn LinkList_testing()
[INFO] [stderr] 41 | | {
[INFO] [stderr] 42 | |     //let list : Box<LinkList::LinkedList> = Box::new(LinkList::LinkedList{});
[INFO] [stderr] 43 | |     let mut list =  LinkList::LinkedList{head:None};
[INFO] [stderr] ...  |
[INFO] [stderr] 77 | |     }
[INFO] [stderr] 78 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         match optchoosen.trim().as_ref()
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `optchoosen.trim()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_asref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let ref x_ref_2 = &x;
[INFO] [stderr]    |     ----^^^^^^^^^^^------ help: try: `let x_ref_2 = &(&x);`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let ref x_ref_4 = x;
[INFO] [stderr]    |     ----^^^^^^^^^^^----- help: try: `let x_ref_4 = &x;`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: type `item_list` should have a camel case name such as `ItemList`
[INFO] [stderr]    --> src/main.rs:98:1
[INFO] [stderr]     |
[INFO] [stderr] 98  | / enum item_list {
[INFO] [stderr] 99  | |     pair{x:u32,y:Box<item_list>},
[INFO] [stderr] 100 | | Nil
[INFO] [stderr] 101 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `pair` should have a camel case name such as `Pair`
[INFO] [stderr]   --> src/main.rs:99:2
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pair{x:u32,y:Box<item_list>},
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `Rfcell_testing` should have a snake case name such as `rfcell_testing`
[INFO] [stderr]    --> src/main.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | / fn Rfcell_testing() {
[INFO] [stderr] 142 | |     let value = Rc::new(RefCell::new(5));
[INFO] [stderr] 143 | |
[INFO] [stderr] 144 | |     let a = Rc::new(Cons(Rc::clone(&value), Rc::new(Nil)));
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |     println!("c after = {:?}", c);
[INFO] [stderr] 158 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: type `refCount` should have a camel case name such as `Refcount`
[INFO] [stderr]    --> src/main.rs:161:1
[INFO] [stderr]     |
[INFO] [stderr] 161 | / struct refCount<T>
[INFO] [stderr] 162 | | {    
[INFO] [stderr] 163 | |     val : T,
[INFO] [stderr] 164 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function `reference_Count_Testing` should have a snake case name such as `reference_count_testing`
[INFO] [stderr]    --> src/main.rs:166:1
[INFO] [stderr]     |
[INFO] [stderr] 166 | / fn reference_Count_Testing()
[INFO] [stderr] 167 | | {
[INFO] [stderr] 168 | |     //let rcI =refCount{val:32};
[INFO] [stderr] 169 | |     //println!("count after creating c = {}", rcI.val);
[INFO] [stderr] ...   |
[INFO] [stderr] 186 | |     
[INFO] [stderr] 187 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rcI` should have a snake case name such as `rc_i`
[INFO] [stderr]    --> src/main.rs:171:6
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let rcI =refCount{val:String::from("this is a new string")};
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MyBox`
[INFO] [stderr]  --> src/module1.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct MyBox<T>(T);
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/module1.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     pub fn new(x: T) -> MyBox<T> {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `MyStruct`
[INFO] [stderr]   --> src/module1.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub struct MyStruct {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `ref_testing`
[INFO] [stderr]   --> src/main.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn ref_testing()
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `item_list`
[INFO] [stderr]   --> src/main.rs:98:1
[INFO] [stderr]    |
[INFO] [stderr] 98 | enum item_list {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `match_testing`
[INFO] [stderr]    --> src/main.rs:103:1
[INFO] [stderr]     |
[INFO] [stderr] 103 | fn match_testing() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `findvalue`
[INFO] [stderr]    --> src/main.rs:113:1
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn findvalue(list:item_list,val:u32)
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `module_testing`
[INFO] [stderr]    --> src/main.rs:125:1
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn module_testing() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `List`
[INFO] [stderr]    --> src/main.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | enum List {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `Rfcell_testing`
[INFO] [stderr]    --> src/main.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | fn Rfcell_testing() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `refCount`
[INFO] [stderr]    --> src/main.rs:161:1
[INFO] [stderr]     |
[INFO] [stderr] 161 | struct refCount<T>
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reference_Count_Testing`
[INFO] [stderr]    --> src/main.rs:166:1
[INFO] [stderr]     |
[INFO] [stderr] 166 | fn reference_Count_Testing()
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `smarpointer_derefernce_testing`
[INFO] [stderr]    --> src/main.rs:189:1
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn smarpointer_derefernce_testing()
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `static_lifetime_testing`
[INFO] [stderr]    --> src/main.rs:202:1
[INFO] [stderr]     |
[INFO] [stderr] 202 | fn static_lifetime_testing()
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `returnsamevalue`
[INFO] [stderr]    --> src/main.rs:218:1
[INFO] [stderr]     |
[INFO] [stderr] 218 | fn returnsamevalue(s:&str) ->&str{
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `lifetime_ann_fn_testing`
[INFO] [stderr]    --> src/main.rs:241:1
[INFO] [stderr]     |
[INFO] [stderr] 241 | fn lifetime_ann_fn_testing()
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `longest`
[INFO] [stderr]    --> src/main.rs:268:1
[INFO] [stderr]     |
[INFO] [stderr] 268 | fn longest<'a>(x:&'a str,y:&'a str) -> &'a str
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `trait_bound_with_vec_testing`
[INFO] [stderr]    --> src/main.rs:285:1
[INFO] [stderr]     |
[INFO] [stderr] 285 | fn trait_bound_with_vec_testing() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `largest`
[INFO] [stderr]    --> src/main.rs:297:1
[INFO] [stderr]     |
[INFO] [stderr] 297 | fn largest<T: PartialOrd + Copy>(list: &[T]) -> T {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `trait_bound_testing`
[INFO] [stderr]    --> src/main.rs:314:1
[INFO] [stderr]     |
[INFO] [stderr] 314 | fn trait_bound_testing() {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: module `LinkList` should have a snake case name such as `link_list`
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | mod LinkList;
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `nodeInfo` should have a snake case name such as `node_info`
[INFO] [stderr]   --> src/LinkList.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     nodeInfo : Box<Information>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `LinkList_testing` should have a snake case name such as `link_list_testing`
[INFO] [stderr]   --> src/main.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / fn LinkList_testing()
[INFO] [stderr] 41 | | {
[INFO] [stderr] 42 | |     //let list : Box<LinkList::LinkedList> = Box::new(LinkList::LinkedList{});
[INFO] [stderr] 43 | |     let mut list =  LinkList::LinkedList{head:None};
[INFO] [stderr] ...  |
[INFO] [stderr] 77 | |     }
[INFO] [stderr] 78 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:542:18
[INFO] [stderr]     |
[INFO] [stderr] 542 | fn printvector(v:&Vec<i32>){
[INFO] [stderr]     |                  ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]   --> src/main.rs:52:9
[INFO] [stderr]    |
[INFO] [stderr] 52 |         match optchoosen.trim().as_ref()
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `optchoosen.trim()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_asref)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |     let ref x_ref_2 = &x;
[INFO] [stderr]    |     ----^^^^^^^^^^^------ help: try: `let x_ref_2 = &(&x);`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]   --> src/main.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let ref x_ref_4 = x;
[INFO] [stderr]    |     ----^^^^^^^^^^^----- help: try: `let x_ref_4 = &x;`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: type `item_list` should have a camel case name such as `ItemList`
[INFO] [stderr]    --> src/main.rs:98:1
[INFO] [stderr]     |
[INFO] [stderr] 98  | / enum item_list {
[INFO] [stderr] 99  | |     pair{x:u32,y:Box<item_list>},
[INFO] [stderr] 100 | | Nil
[INFO] [stderr] 101 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_camel_case_types)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `pair` should have a camel case name such as `Pair`
[INFO] [stderr]   --> src/main.rs:99:2
[INFO] [stderr]    |
[INFO] [stderr] 99 |     pair{x:u32,y:Box<item_list>},
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `Rfcell_testing` should have a snake case name such as `rfcell_testing`
[INFO] [stderr]    --> src/main.rs:141:1
[INFO] [stderr]     |
[INFO] [stderr] 141 | / fn Rfcell_testing() {
[INFO] [stderr] 142 | |     let value = Rc::new(RefCell::new(5));
[INFO] [stderr] 143 | |
[INFO] [stderr] 144 | |     let a = Rc::new(Cons(Rc::clone(&value), Rc::new(Nil)));
[INFO] [stderr] ...   |
[INFO] [stderr] 157 | |     println!("c after = {:?}", c);
[INFO] [stderr] 158 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: type `refCount` should have a camel case name such as `Refcount`
[INFO] [stderr]    --> src/main.rs:161:1
[INFO] [stderr]     |
[INFO] [stderr] 161 | / struct refCount<T>
[INFO] [stderr] 162 | | {    
[INFO] [stderr] 163 | |     val : T,
[INFO] [stderr] 164 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function `reference_Count_Testing` should have a snake case name such as `reference_count_testing`
[INFO] [stderr]    --> src/main.rs:166:1
[INFO] [stderr]     |
[INFO] [stderr] 166 | / fn reference_Count_Testing()
[INFO] [stderr] 167 | | {
[INFO] [stderr] 168 | |     //let rcI =refCount{val:32};
[INFO] [stderr] 169 | |     //println!("count after creating c = {}", rcI.val);
[INFO] [stderr] ...   |
[INFO] [stderr] 186 | |     
[INFO] [stderr] 187 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:666:47
[INFO] [stderr]     |
[INFO] [stderr] 666 | fn borrow_read_ownership(borrowed_read_string:&String)
[INFO] [stderr]     |                                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rcI` should have a snake case name such as `rc_i`
[INFO] [stderr]    --> src/main.rs:171:6
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let rcI =refCount{val:String::from("this is a new string")};
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/main.rs:542:18
[INFO] [stderr]     |
[INFO] [stderr] 542 | fn printvector(v:&Vec<i32>){
[INFO] [stderr]     |                  ^^^^^^^^^ help: change this to: `&[i32]`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&String` instead of `&str` involves a new object where a slice will do.
[INFO] [stderr]    --> src/main.rs:666:47
[INFO] [stderr]     |
[INFO] [stderr] 666 | fn borrow_read_ownership(borrowed_read_string:&String)
[INFO] [stderr]     |                                               ^^^^^^^ help: change this to: `&str`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "a64f7902ee7c0e1069d222ebcc20c862334e20241a924e6f1943037f887366f3"`
[INFO] running `"docker" "rm" "-f" "a64f7902ee7c0e1069d222ebcc20c862334e20241a924e6f1943037f887366f3"`
[INFO] [stdout] a64f7902ee7c0e1069d222ebcc20c862334e20241a924e6f1943037f887366f3