[INFO] cloning repository https://github.com/neerajbisht1987/hellocargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neerajbisht1987/hellocargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneerajbisht1987%2Fhellocargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneerajbisht1987%2Fhellocargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 898c0403c77f18e63b407329e244627069ced582
[INFO] checking neerajbisht1987/hellocargo against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneerajbisht1987%2Fhellocargo" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neerajbisht1987/hellocargo on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neerajbisht1987/hellocargo
[INFO] finished tweaking git repo https://github.com/neerajbisht1987/hellocargo
[INFO] tweaked toml for git repo https://github.com/neerajbisht1987/hellocargo written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/neerajbisht1987/hellocargo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cda6d56791a2b5ba7d73849138e0c621909a7a9b51325b9d72f059453d65f8ff
[INFO] running `Command { std: "docker" "start" "-a" "cda6d56791a2b5ba7d73849138e0c621909a7a9b51325b9d72f059453d65f8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cda6d56791a2b5ba7d73849138e0c621909a7a9b51325b9d72f059453d65f8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda6d56791a2b5ba7d73849138e0c621909a7a9b51325b9d72f059453d65f8ff", kill_on_drop: false }`
[INFO] [stdout] cda6d56791a2b5ba7d73849138e0c621909a7a9b51325b9d72f059453d65f8ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f05ff4c4833c9e26305e1d90fe46543a76789cea7577669d9dd2374261403edd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f05ff4c4833c9e26305e1d90fe46543a76789cea7577669d9dd2374261403edd", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `item_list` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:98:6
[INFO] [stdout]    |
[INFO] [stdout] 98 | enum item_list {
[INFO] [stdout]    |      ^^^^^^^^^ help: convert the identifier to upper camel case: `ItemList`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `pair` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:99:2
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pair{x:u32,y:Box<item_list>},
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `refCount` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | struct refCount<T>
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to upper camel case: `RefCount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `item_list` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:98:6
[INFO] [stdout]    |
[INFO] [stdout] 98 | enum item_list {
[INFO] [stdout]    |      ^^^^^^^^^ help: convert the identifier to upper camel case: `ItemList`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `pair` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:99:2
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pair{x:u32,y:Box<item_list>},
[INFO] [stdout]    |     ^^^^ help: convert the identifier to upper camel case: `Pair`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `refCount` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | struct refCount<T>
[INFO] [stdout]     |        ^^^^^^^^ help: convert the identifier to upper camel case: `RefCount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mystruct`
[INFO] [stdout]    --> src/main.rs:126:6
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mystruct = module1::MyStruct{i:2};    
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mystruct`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:178:6
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let b=rc.clone();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `news_article_nosummarization`
[INFO] [stdout]    --> src/main.rs:322:6
[INFO] [stdout]     |
[INFO] [stdout] 322 |     let news_article_nosummarization = NewsArticleNoSummarization{
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_news_article_nosummarization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `news_article_nosummarization`
[INFO] [stdout]    --> src/main.rs:329:6
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let news_article_nosummarization = NewsArticleNoSummarization{
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_news_article_nosummarization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mystruct`
[INFO] [stdout]    --> src/main.rs:126:6
[INFO] [stdout]     |
[INFO] [stdout] 126 |     let mystruct = module1::MyStruct{i:2};    
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mystruct`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/main.rs:178:6
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let b=rc.clone();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `news_article_nosummarization`
[INFO] [stdout]    --> src/main.rs:322:6
[INFO] [stdout]     |
[INFO] [stdout] 322 |     let news_article_nosummarization = NewsArticleNoSummarization{
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_news_article_nosummarization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `news_article_nosummarization`
[INFO] [stdout]    --> src/main.rs:329:6
[INFO] [stdout]     |
[INFO] [stdout] 329 |     let news_article_nosummarization = NewsArticleNoSummarization{
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_news_article_nosummarization`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/module1.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(x: T) -> MyBox<T> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MyStruct`
[INFO] [stdout]   --> src/module1.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct MyStruct {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ref_testing`
[INFO] [stdout]   --> src/main.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn ref_testing()
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `item_list`
[INFO] [stdout]   --> src/main.rs:98:6
[INFO] [stdout]    |
[INFO] [stdout] 98 | enum item_list {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_testing`
[INFO] [stdout]    --> src/main.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn match_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `findvalue`
[INFO] [stdout]    --> src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn findvalue(list:item_list,val:u32)
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `module_testing`
[INFO] [stdout]    --> src/main.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn module_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]    --> src/main.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     Cons(Rc<RefCell<i32>>, Rc<List>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]    --> src/main.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     Nil,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `Rfcell_testing`
[INFO] [stdout]    --> src/main.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn Rfcell_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `refCount`
[INFO] [stdout]    --> src/main.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | struct refCount<T>
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reference_Count_Testing`
[INFO] [stdout]    --> src/main.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn reference_Count_Testing()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `smarpointer_derefernce_testing`
[INFO] [stdout]    --> src/main.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn smarpointer_derefernce_testing()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `static_lifetime_testing`
[INFO] [stdout]    --> src/main.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn static_lifetime_testing()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `returnsamevalue`
[INFO] [stdout]    --> src/main.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn returnsamevalue(s:&str) ->&str{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lifetime_ann_fn_testing`
[INFO] [stdout]    --> src/main.rs:241:4
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn lifetime_ann_fn_testing()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `longest`
[INFO] [stdout]    --> src/main.rs:268:4
[INFO] [stdout]     |
[INFO] [stdout] 268 | fn longest<'a>(x:&'a str,y:&'a str) -> &'a str
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trait_bound_with_vec_testing`
[INFO] [stdout]    --> src/main.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 | fn trait_bound_with_vec_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `largest`
[INFO] [stdout]    --> src/main.rs:297:4
[INFO] [stdout]     |
[INFO] [stdout] 297 | fn largest<T: PartialOrd + Copy>(list: &[T]) -> T {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trait_bound_testing`
[INFO] [stdout]    --> src/main.rs:314:4
[INFO] [stdout]     |
[INFO] [stdout] 314 | fn trait_bound_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `LinkList` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | mod LinkList;
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `link_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `LinkList_testing` should have a snake case name
[INFO] [stdout]   --> src/main.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn LinkList_testing()
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `link_list_testing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Rfcell_testing` should have a snake case name
[INFO] [stdout]    --> src/main.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn Rfcell_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `rfcell_testing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reference_Count_Testing` should have a snake case name
[INFO] [stdout]    --> src/main.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn reference_Count_Testing()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `reference_count_testing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rcI` should have a snake case name
[INFO] [stdout]    --> src/main.rs:171:6
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let rcI =refCount{val:String::from("this is a new string")};
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `rc_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `nodeInfo` should have a snake case name
[INFO] [stdout]   --> src/LinkList.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     nodeInfo : Box<Information>,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `node_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/module1.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(x: T) -> MyBox<T> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MyStruct`
[INFO] [stdout]   --> src/module1.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct MyStruct {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ref_testing`
[INFO] [stdout]   --> src/main.rs:82:4
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn ref_testing()
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `item_list`
[INFO] [stdout]   --> src/main.rs:98:6
[INFO] [stdout]    |
[INFO] [stdout] 98 | enum item_list {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_testing`
[INFO] [stdout]    --> src/main.rs:103:4
[INFO] [stdout]     |
[INFO] [stdout] 103 | fn match_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `findvalue`
[INFO] [stdout]    --> src/main.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn findvalue(list:item_list,val:u32)
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `module_testing`
[INFO] [stdout]    --> src/main.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn module_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Cons`
[INFO] [stdout]    --> src/main.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     Cons(Rc<RefCell<i32>>, Rc<List>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]    --> src/main.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     Nil,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `Rfcell_testing`
[INFO] [stdout]    --> src/main.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn Rfcell_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `refCount`
[INFO] [stdout]    --> src/main.rs:161:8
[INFO] [stdout]     |
[INFO] [stdout] 161 | struct refCount<T>
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reference_Count_Testing`
[INFO] [stdout]    --> src/main.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn reference_Count_Testing()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `smarpointer_derefernce_testing`
[INFO] [stdout]    --> src/main.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn smarpointer_derefernce_testing()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `static_lifetime_testing`
[INFO] [stdout]    --> src/main.rs:202:4
[INFO] [stdout]     |
[INFO] [stdout] 202 | fn static_lifetime_testing()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `returnsamevalue`
[INFO] [stdout]    --> src/main.rs:218:4
[INFO] [stdout]     |
[INFO] [stdout] 218 | fn returnsamevalue(s:&str) ->&str{
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `lifetime_ann_fn_testing`
[INFO] [stdout]    --> src/main.rs:241:4
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn lifetime_ann_fn_testing()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `longest`
[INFO] [stdout]    --> src/main.rs:268:4
[INFO] [stdout]     |
[INFO] [stdout] 268 | fn longest<'a>(x:&'a str,y:&'a str) -> &'a str
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trait_bound_with_vec_testing`
[INFO] [stdout]    --> src/main.rs:285:4
[INFO] [stdout]     |
[INFO] [stdout] 285 | fn trait_bound_with_vec_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `largest`
[INFO] [stdout]    --> src/main.rs:297:4
[INFO] [stdout]     |
[INFO] [stdout] 297 | fn largest<T: PartialOrd + Copy>(list: &[T]) -> T {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trait_bound_testing`
[INFO] [stdout]    --> src/main.rs:314:4
[INFO] [stdout]     |
[INFO] [stdout] 314 | fn trait_bound_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `LinkList` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | mod LinkList;
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `link_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `LinkList_testing` should have a snake case name
[INFO] [stdout]   --> src/main.rs:40:4
[INFO] [stdout]    |
[INFO] [stdout] 40 | fn LinkList_testing()
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `link_list_testing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `Rfcell_testing` should have a snake case name
[INFO] [stdout]    --> src/main.rs:141:4
[INFO] [stdout]     |
[INFO] [stdout] 141 | fn Rfcell_testing() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `rfcell_testing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reference_Count_Testing` should have a snake case name
[INFO] [stdout]    --> src/main.rs:166:4
[INFO] [stdout]     |
[INFO] [stdout] 166 | fn reference_Count_Testing()
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `reference_count_testing`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `rcI` should have a snake case name
[INFO] [stdout]    --> src/main.rs:171:6
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let rcI =refCount{val:String::from("this is a new string")};
[INFO] [stdout]     |         ^^^ help: convert the identifier to snake case: `rc_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `nodeInfo` should have a snake case name
[INFO] [stdout]   --> src/LinkList.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     nodeInfo : Box<Information>,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `node_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "f05ff4c4833c9e26305e1d90fe46543a76789cea7577669d9dd2374261403edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05ff4c4833c9e26305e1d90fe46543a76789cea7577669d9dd2374261403edd", kill_on_drop: false }`
[INFO] [stdout] f05ff4c4833c9e26305e1d90fe46543a76789cea7577669d9dd2374261403edd