[INFO] cloning repository https://github.com/bmrxntfj/hello_cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bmrxntfj/hello_cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmrxntfj%2Fhello_cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmrxntfj%2Fhello_cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 086d758083575c960d63afb354cc5bc2e0a4fc10
[INFO] testing bmrxntfj/hello_cargo against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbmrxntfj%2Fhello_cargo" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bmrxntfj/hello_cargo on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bmrxntfj/hello_cargo
[INFO] finished tweaking git repo https://github.com/bmrxntfj/hello_cargo
[INFO] tweaked toml for git repo https://github.com/bmrxntfj/hello_cargo written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/bmrxntfj/hello_cargo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 54e10892ddfab7ce81ed44261ec072895a2c6dd6fa281b4b9693bbd3d39f35fa
[INFO] running `Command { std: "docker" "start" "-a" "54e10892ddfab7ce81ed44261ec072895a2c6dd6fa281b4b9693bbd3d39f35fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e10892ddfab7ce81ed44261ec072895a2c6dd6fa281b4b9693bbd3d39f35fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e10892ddfab7ce81ed44261ec072895a2c6dd6fa281b4b9693bbd3d39f35fa", kill_on_drop: false }`
[INFO] [stdout] 54e10892ddfab7ce81ed44261ec072895a2c6dd6fa281b4b9693bbd3d39f35fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", 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] 8bb9b2ea2246d28be0d46b29bc40be233ad6f088d95a813ae3e6ff8e308de25a
[INFO] running `Command { std: "docker" "start" "-a" "8bb9b2ea2246d28be0d46b29bc40be233ad6f088d95a813ae3e6ff8e308de25a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/main.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             'secondloop:loop{
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:89:8
[INFO] [stdout]     |
[INFO] [stdout] 89  | #[warn(unused_labels)]
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     ///println!("box value is {:?}",boxvalue);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 230 | 
[INFO] [stdout] 231 |     let evenlist=vec![2,4,6,8,10];
[INFO] [stdout]     |     ------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:88:8
[INFO] [stdout]     |
[INFO] [stdout] 88  | #[warn(unused_doc_comments)]
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:284:7
[INFO] [stdout]     |
[INFO] [stdout] 284 |         ///println!("guessed:{}",guess);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 287 | /       let guess:u32=match guess.trim().parse(){
[INFO] [stdout] 288 | |         Ok(num)=>num,
[INFO] [stdout] 289 | |         Err(_)=>continue,
[INFO] [stdout] 290 | |       };
[INFO] [stdout]     | |________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]    --> src/main.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | /     while let varx=vari{
[INFO] [stdout] 198 | |         if varx>100 {
[INFO] [stdout] 199 | |             vari=varx+1;
[INFO] [stdout] 200 | |             break;
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |         }
[INFO] [stdout] 205 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]    --> src/main.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |     let sum:i32=0;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]  --> src/cypto/nested.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn function() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rnd`
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn rnd<'a>()->Person<'a>{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute_fn`
[INFO] [stdout]    --> src/main.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn execute_fn<F>(f:F) where
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute_fn_mut`
[INFO] [stdout]    --> src/main.rs:321:8
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn execute_fn_mut<F>(mut f:F) where
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `noreturn`
[INFO] [stdout]    --> src/main.rs:337:8
[INFO] [stdout]     |
[INFO] [stdout] 337 |     fn noreturn()->!{
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hello_mod_crate`
[INFO] [stdout]    --> src/main.rs:347:28
[INFO] [stdout]     |
[INFO] [stdout] 347 |     pub(in crate::util) fn hello_mod_crate(){
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hello_self`
[INFO] [stdout]    --> src/main.rs:352:18
[INFO] [stdout]     |
[INFO] [stdout] 352 |     pub(self) fn hello_self(){
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:351:12
[INFO] [stdout]     |
[INFO] [stdout] 351 |     #[warn(dead_code)]
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "8bb9b2ea2246d28be0d46b29bc40be233ad6f088d95a813ae3e6ff8e308de25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bb9b2ea2246d28be0d46b29bc40be233ad6f088d95a813ae3e6ff8e308de25a", kill_on_drop: false }`
[INFO] [stdout] 8bb9b2ea2246d28be0d46b29bc40be233ad6f088d95a813ae3e6ff8e308de25a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60e3f36ef02e4a36e856712ed587edf4bfbd9bdc5b21f7c7a7a22d5497d37eee
[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" "60e3f36ef02e4a36e856712ed587edf4bfbd9bdc5b21f7c7a7a22d5497d37eee", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]    --> src/main.rs:135:13
[INFO] [stdout]     |
[INFO] [stdout] 135 |             'secondloop:loop{
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:89:8
[INFO] [stdout]     |
[INFO] [stdout] 89  | #[warn(unused_labels)]
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     ///println!("box value is {:?}",boxvalue);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 230 | 
[INFO] [stdout] 231 |     let evenlist=vec![2,4,6,8,10];
[INFO] [stdout]     |     ------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:88:8
[INFO] [stdout]     |
[INFO] [stdout] 88  | #[warn(unused_doc_comments)]
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/main.rs:284:7
[INFO] [stdout]     |
[INFO] [stdout] 284 |         ///println!("guessed:{}",guess);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 287 | /       let guess:u32=match guess.trim().parse(){
[INFO] [stdout] 288 | |         Ok(num)=>num,
[INFO] [stdout] 289 | |         Err(_)=>continue,
[INFO] [stdout] 290 | |       };
[INFO] [stdout]     | |________- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: irrefutable `while let` pattern
[INFO] [stdout]    --> src/main.rs:197:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | /     while let varx=vari{
[INFO] [stdout] 198 | |         if varx>100 {
[INFO] [stdout] 199 | |             vari=varx+1;
[INFO] [stdout] 200 | |             break;
[INFO] [stdout] ...   |
[INFO] [stdout] 204 | |         }
[INFO] [stdout] 205 | |     };
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stdout]     = note: this pattern will always match, so the loop will never exit
[INFO] [stdout]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum`
[INFO] [stdout]    --> src/main.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |     let sum:i32=0;
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function`
[INFO] [stdout]  --> src/cypto/nested.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn function() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rnd`
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn rnd<'a>()->Person<'a>{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hello_mod_crate`
[INFO] [stdout]    --> src/main.rs:347:28
[INFO] [stdout]     |
[INFO] [stdout] 347 |     pub(in crate::util) fn hello_mod_crate(){
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hello_self`
[INFO] [stdout]    --> src/main.rs:352:18
[INFO] [stdout]     |
[INFO] [stdout] 352 |     pub(self) fn hello_self(){
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/main.rs:351:12
[INFO] [stdout]     |
[INFO] [stdout] 351 |     #[warn(dead_code)]
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "60e3f36ef02e4a36e856712ed587edf4bfbd9bdc5b21f7c7a7a22d5497d37eee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e3f36ef02e4a36e856712ed587edf4bfbd9bdc5b21f7c7a7a22d5497d37eee", kill_on_drop: false }`
[INFO] [stdout] 60e3f36ef02e4a36e856712ed587edf4bfbd9bdc5b21f7c7a7a22d5497d37eee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 718d4b852b6d5b548c6b80e342fd669424c0d641d12852e4f13739e20eba7827
[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" "718d4b852b6d5b548c6b80e342fd669424c0d641d12852e4f13739e20eba7827", kill_on_drop: false }`
[INFO] [stderr] warning: unused label
[INFO] [stderr]    --> src/main.rs:135:13
[INFO] [stderr]     |
[INFO] [stderr] 135 |             'secondloop:loop{
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/main.rs:89:8
[INFO] [stderr]     |
[INFO] [stderr] 89  | #[warn(unused_labels)]
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 |     ///println!("box value is {:?}",boxvalue);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 230 | 
[INFO] [stderr] 231 |     let evenlist=vec![2,4,6,8,10];
[INFO] [stderr]     |     ------------------------------ rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/main.rs:88:8
[INFO] [stderr]     |
[INFO] [stderr] 88  | #[warn(unused_doc_comments)]
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/main.rs:284:7
[INFO] [stderr]     |
[INFO] [stderr] 284 |         ///println!("guessed:{}",guess);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 287 | /       let guess:u32=match guess.trim().parse(){
[INFO] [stderr] 288 | |         Ok(num)=>num,
[INFO] [stderr] 289 | |         Err(_)=>continue,
[INFO] [stderr] 290 | |       };
[INFO] [stderr]     | |________- rustdoc does not generate documentation for statements
[INFO] [stderr]     |
[INFO] [stderr]     = help: use `//` for a plain comment
[INFO] [stderr] 
[INFO] [stderr] warning: irrefutable `while let` pattern
[INFO] [stderr]    --> src/main.rs:197:5
[INFO] [stderr]     |
[INFO] [stderr] 197 | /     while let varx=vari{
[INFO] [stderr] 198 | |         if varx>100 {
[INFO] [stderr] 199 | |             vari=varx+1;
[INFO] [stderr] 200 | |             break;
[INFO] [stderr] ...   |
[INFO] [stderr] 204 | |         }
[INFO] [stderr] 205 | |     };
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(irrefutable_let_patterns)]` on by default
[INFO] [stderr]     = note: this pattern will always match, so the loop will never exit
[INFO] [stderr]     = help: consider instead using a `loop { ... }` with a `let` inside it
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sum`
[INFO] [stderr]    --> src/main.rs:241:9
[INFO] [stderr]     |
[INFO] [stderr] 241 |     let sum:i32=0;
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_sum`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `function`
[INFO] [stderr]  --> src/cypto/nested.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn function() {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `rnd`
[INFO] [stderr]   --> src/main.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn rnd<'a>()->Person<'a>{
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hello_mod_crate`
[INFO] [stderr]    --> src/main.rs:347:28
[INFO] [stderr]     |
[INFO] [stderr] 347 |     pub(in crate::util) fn hello_mod_crate(){
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hello_self`
[INFO] [stderr]    --> src/main.rs:352:18
[INFO] [stderr]     |
[INFO] [stderr] 352 |     pub(self) fn hello_self(){
[INFO] [stderr]     |                  ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/main.rs:351:12
[INFO] [stderr]     |
[INFO] [stderr] 351 |     #[warn(dead_code)]
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_cargo-9c33b164b4453d9a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "718d4b852b6d5b548c6b80e342fd669424c0d641d12852e4f13739e20eba7827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718d4b852b6d5b548c6b80e342fd669424c0d641d12852e4f13739e20eba7827", kill_on_drop: false }`
[INFO] [stdout] 718d4b852b6d5b548c6b80e342fd669424c0d641d12852e4f13739e20eba7827