[INFO] cloning repository https://github.com/micolore/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/micolore/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicolore%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicolore%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adc09c02b7a56bf0362093cfb0387b6584e4d00e
[INFO] checking micolore/hello-rust against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicolore%2Fhello-rust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/micolore/hello-rust on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/micolore/hello-rust
[INFO] finished tweaking git repo https://github.com/micolore/hello-rust
[INFO] tweaked toml for git repo https://github.com/micolore/hello-rust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/micolore/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9f630bdf495102facdd4fab3917c703548ab78776338629c72ed92326a172b9
[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" "a9f630bdf495102facdd4fab3917c703548ab78776338629c72ed92326a172b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9f630bdf495102facdd4fab3917c703548ab78776338629c72ed92326a172b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9f630bdf495102facdd4fab3917c703548ab78776338629c72ed92326a172b9", kill_on_drop: false }`
[INFO] [stdout] a9f630bdf495102facdd4fab3917c703548ab78776338629c72ed92326a172b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--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] d5a971ad73570490a09a78c0e94372ea7006eae362335d55bab2a49d5614df2c
[INFO] running `Command { std: "docker" "start" "-a" "d5a971ad73570490a09a78c0e94372ea7006eae362335d55bab2a49d5614df2c", kill_on_drop: false }`
[INFO] [stderr]     Checking hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/concurrency.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/concurrency.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]  --> src/lifetimes.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn skipe_prefix<'a,'b>(line:&'a str, prefix: &'b str) -> &'a str{
[INFO] [stdout]   |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/lifetimes.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let x: &'static str ="hello world";
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/mutability.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let y =x.clone();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/ownership.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let v =vec![1,2,3];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]   --> src/ownership.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let v2 = v;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v5`
[INFO] [stdout]   --> src/ownership.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let v5 =v3;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/ownership.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn take(i: Vec<i32>){
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/function.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let y =1;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_number`
[INFO] [stdout]   --> src/closures.rs:67:41
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn generate_workout_two(intensity: u32, random_number: u32) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]  --> src/traits.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let v2 = v;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/traits.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn foo(v: Vec<i32>) ->i32{
[INFO] [stdout]    |        ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/traits.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn easy_format_trait<T>(t:T)->i32 
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fa`
[INFO] [stdout]    --> src/traits.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let fa = Man{
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/traits.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let m = trait_return();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]   --> src/basic.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut b = 456;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]  --> src/lifetimes.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn skipe_prefix<'a,'b>(line:&'a str, prefix: &'b str) -> &'a str{
[INFO] [stdout]   |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/lifetimes.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let x: &'static str ="hello world";
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/mutability.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let y =x.clone();
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/ownership.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let v =vec![1,2,3];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]   --> src/ownership.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let v2 = v;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v5`
[INFO] [stdout]   --> src/ownership.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let v5 =v3;
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_v5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/ownership.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn take(i: Vec<i32>){
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/function.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let y =1;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `random_number`
[INFO] [stdout]   --> src/closures.rs:67:41
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn generate_workout_two(intensity: u32, random_number: u32) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_random_number`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v2`
[INFO] [stdout]  --> src/traits.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let v2 = v;
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_v2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/traits.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn foo(v: Vec<i32>) ->i32{
[INFO] [stdout]    |        ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/traits.rs:86:25
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn easy_format_trait<T>(t:T)->i32 
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fa`
[INFO] [stdout]    --> src/traits.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     let fa = Man{
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_fa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]    --> src/traits.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let m = trait_return();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]   --> src/basic.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut b = 456;
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `skipe_prefix`
[INFO] [stdout]  --> src/lifetimes.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn skipe_prefix<'a,'b>(line:&'a str, prefix: &'b str) -> &'a str{
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exec`
[INFO] [stdout]  --> src/lifetimes.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn exec(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]   --> src/lifetimes.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Foo<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x`
[INFO] [stdout]   --> src/lifetimes.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn x(&self)-> &'a str{
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]  --> src/mutability.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn first(){
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/mutability.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two`
[INFO] [stdout]   --> src/mutability.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn two(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `data_deap`
[INFO] [stdout]   --> src/ownership.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn data_deap(){
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `data_clone`
[INFO] [stdout]   --> src/ownership.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn data_clone(){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `data_ownership`
[INFO] [stdout]   --> src/ownership.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn data_ownership(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/ownership.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn foo(){
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo2`
[INFO] [stdout]   --> src/ownership.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn foo2(){
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take`
[INFO] [stdout]   --> src/ownership.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn take(i: Vec<i32>){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `takes_ownership`
[INFO] [stdout]   --> src/ownership.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn takes_ownership(somestring: String){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `makes_copy`
[INFO] [stdout]   --> src/ownership.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn makes_copy(someinteger: i32){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/references.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn  foo(i1:i32,i2:i32)->i32{
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo_ferences`
[INFO] [stdout]   --> src/references.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn foo_ferences(i1:&i32,i2:&i32)->i32{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo_update_value_by_references`
[INFO] [stdout]   --> src/references.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn foo_update_value_by_references(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `slice_test`
[INFO] [stdout]  --> src/slice.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn slice_test(){
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function_main`
[INFO] [stdout]  --> src/function.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn function_main(){
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `diverges`
[INFO] [stdout]   --> src/function.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn diverges() -> ! {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `plus_one`
[INFO] [stdout]   --> src/function.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn plus_one(i: i32) -> i32{
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ft`
[INFO] [stdout]   --> src/function.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn ft(x: i32 , y:i64){
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exceotion`
[INFO] [stdout]   --> src/function.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn exceotion(){
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fn_return`
[INFO] [stdout]   --> src/function.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn fn_return() -> i32{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_for`
[INFO] [stdout]   --> src/function.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn test_for(){
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_loop`
[INFO] [stdout]   --> src/function.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn test_loop(){
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_number`
[INFO] [stdout]   --> src/function.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn print_number(number: i32){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_tuples`
[INFO] [stdout]  --> src/tuples.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn print_tuples(pair:(i32,bool))->(bool,i32){
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vector_demo`
[INFO] [stdout]  --> src/vector.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn vector_demo(){
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_thread_two`
[INFO] [stdout]   --> src/concurrency.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn create_thread_two() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_thread_three`
[INFO] [stdout]   --> src/concurrency.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn create_thread_three() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `thread_message_passing`
[INFO] [stdout]   --> src/concurrency.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn thread_message_passing() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `thread_message_passing_two`
[INFO] [stdout]   --> src/concurrency.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn thread_message_passing_two() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `thread_message_passing_clone`
[INFO] [stdout]   --> src/concurrency.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn thread_message_passing_clone() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mutex`
[INFO] [stdout]    --> src/concurrency.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn mutex(){
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `thread_shared_state`
[INFO] [stdout]    --> src/concurrency.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn thread_shared_state(){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exec`
[INFO] [stdout]  --> src/closures.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn exec() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_workout`
[INFO] [stdout]   --> src/closures.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn generate_workout(srsv: u32, srn: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simulated_expensive_calculation`
[INFO] [stdout]   --> src/closures.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn simulated_expensive_calculation(intensity: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cacher`
[INFO] [stdout]   --> src/closures.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Cacher<T>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/closures.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/closures.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn value(&mut self, arg: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_workout_two`
[INFO] [stdout]   --> src/closures.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn generate_workout_two(intensity: u32, random_number: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_trait`
[INFO] [stdout]  --> src/traits.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn first_trait(){
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `copy_trait`
[INFO] [stdout]   --> src/traits.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn copy_trait(){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `double`
[INFO] [stdout]   --> src/traits.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn double(i: i32)->i32{
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/traits.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn foo(v: Vec<i32>) ->i32{
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo_two`
[INFO] [stdout]   --> src/traits.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn foo_two(v: Vec<i32>, v1: Vec<i8>)-> (Vec<i32>,Vec<i8>){
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify`
[INFO] [stdout]   --> src/traits.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn notify(item: impl Perpson){
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify_two`
[INFO] [stdout]   --> src/traits.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn notify_two<T:Perpson>(item: T){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify_three`
[INFO] [stdout]   --> src/traits.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn notify_three<T:Perpson>(item: T,item1: T){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `easy_format_trait`
[INFO] [stdout]   --> src/traits.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn easy_format_trait<T>(t:T)->i32 
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trait_return`
[INFO] [stdout]   --> src/traits.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn trait_return ()-> impl Perpson{
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trait_person`
[INFO] [stdout]    --> src/traits.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn trait_person(){
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `basic_main`
[INFO] [stdout]  --> src/basic.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn basic_main(){
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `variable_def`
[INFO] [stdout]  --> src/basic.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |  fn variable_def(){
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shadowing_def`
[INFO] [stdout]   --> src/basic.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |  fn shadowing_def(){
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shadowing`
[INFO] [stdout]   --> src/basic.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn shadowing() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_const`
[INFO] [stdout]   --> src/basic.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn test_const() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_int`
[INFO] [stdout]   --> src/basic.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn test_int() {}
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_float`
[INFO] [stdout]   --> src/basic.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn test_float() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_math`
[INFO] [stdout]   --> src/basic.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn test_math() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_variable`
[INFO] [stdout]   --> src/basic.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn multi_variable() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `skipe_prefix`
[INFO] [stdout]  --> src/lifetimes.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn skipe_prefix<'a,'b>(line:&'a str, prefix: &'b str) -> &'a str{
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exec`
[INFO] [stdout]  --> src/lifetimes.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn exec(){
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]   --> src/lifetimes.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Foo<'a> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x`
[INFO] [stdout]   --> src/lifetimes.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn x(&self)-> &'a str{
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first`
[INFO] [stdout]  --> src/mutability.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn first(){
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]  --> src/mutability.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `two`
[INFO] [stdout]   --> src/mutability.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn two(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `data_deap`
[INFO] [stdout]   --> src/ownership.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn data_deap(){
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `data_clone`
[INFO] [stdout]   --> src/ownership.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn data_clone(){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `data_ownership`
[INFO] [stdout]   --> src/ownership.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn data_ownership(){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/ownership.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn foo(){
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo2`
[INFO] [stdout]   --> src/ownership.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn foo2(){
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `take`
[INFO] [stdout]   --> src/ownership.rs:71:4
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn take(i: Vec<i32>){
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `takes_ownership`
[INFO] [stdout]   --> src/ownership.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn takes_ownership(somestring: String){
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `makes_copy`
[INFO] [stdout]   --> src/ownership.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn makes_copy(someinteger: i32){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/references.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn  foo(i1:i32,i2:i32)->i32{
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo_ferences`
[INFO] [stdout]   --> src/references.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn foo_ferences(i1:&i32,i2:&i32)->i32{
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo_update_value_by_references`
[INFO] [stdout]   --> src/references.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn foo_update_value_by_references(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `slice_test`
[INFO] [stdout]  --> src/slice.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn slice_test(){
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `function_main`
[INFO] [stdout]  --> src/function.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn function_main(){
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `diverges`
[INFO] [stdout]   --> src/function.rs:22:4
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn diverges() -> ! {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `plus_one`
[INFO] [stdout]   --> src/function.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn plus_one(i: i32) -> i32{
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `ft`
[INFO] [stdout]   --> src/function.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn ft(x: i32 , y:i64){
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exceotion`
[INFO] [stdout]   --> src/function.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn exceotion(){
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fn_return`
[INFO] [stdout]   --> src/function.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn fn_return() -> i32{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_for`
[INFO] [stdout]   --> src/function.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn test_for(){
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_loop`
[INFO] [stdout]   --> src/function.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn test_loop(){
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_number`
[INFO] [stdout]   --> src/function.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn print_number(number: i32){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_tuples`
[INFO] [stdout]  --> src/tuples.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn print_tuples(pair:(i32,bool))->(bool,i32){
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `vector_demo`
[INFO] [stdout]  --> src/vector.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn vector_demo(){
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_thread_two`
[INFO] [stdout]   --> src/concurrency.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn create_thread_two() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_thread_three`
[INFO] [stdout]   --> src/concurrency.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn create_thread_three() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `thread_message_passing`
[INFO] [stdout]   --> src/concurrency.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub fn thread_message_passing() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `thread_message_passing_two`
[INFO] [stdout]   --> src/concurrency.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn thread_message_passing_two() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `thread_message_passing_clone`
[INFO] [stdout]   --> src/concurrency.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub fn thread_message_passing_clone() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mutex`
[INFO] [stdout]    --> src/concurrency.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn mutex(){
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `thread_shared_state`
[INFO] [stdout]    --> src/concurrency.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn thread_shared_state(){
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `exec`
[INFO] [stdout]  --> src/closures.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn exec() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_workout`
[INFO] [stdout]   --> src/closures.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn generate_workout(srsv: u32, srn: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `simulated_expensive_calculation`
[INFO] [stdout]   --> src/closures.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn simulated_expensive_calculation(intensity: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Cacher`
[INFO] [stdout]   --> src/closures.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Cacher<T>
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/closures.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn new(calculation: T) -> Cacher<T> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/closures.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn value(&mut self, arg: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `generate_workout_two`
[INFO] [stdout]   --> src/closures.rs:67:4
[INFO] [stdout]    |
[INFO] [stdout] 67 | fn generate_workout_two(intensity: u32, random_number: u32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_trait`
[INFO] [stdout]  --> src/traits.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn first_trait(){
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `copy_trait`
[INFO] [stdout]   --> src/traits.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn copy_trait(){
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `double`
[INFO] [stdout]   --> src/traits.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn double(i: i32)->i32{
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo`
[INFO] [stdout]   --> src/traits.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn foo(v: Vec<i32>) ->i32{
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `foo_two`
[INFO] [stdout]   --> src/traits.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn foo_two(v: Vec<i32>, v1: Vec<i8>)-> (Vec<i32>,Vec<i8>){
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify`
[INFO] [stdout]   --> src/traits.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub fn notify(item: impl Perpson){
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify_two`
[INFO] [stdout]   --> src/traits.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn notify_two<T:Perpson>(item: T){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify_three`
[INFO] [stdout]   --> src/traits.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub fn notify_three<T:Perpson>(item: T,item1: T){
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `easy_format_trait`
[INFO] [stdout]   --> src/traits.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn easy_format_trait<T>(t:T)->i32 
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trait_return`
[INFO] [stdout]   --> src/traits.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn trait_return ()-> impl Perpson{
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trait_person`
[INFO] [stdout]    --> src/traits.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn trait_person(){
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `basic_main`
[INFO] [stdout]  --> src/basic.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn basic_main(){
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `variable_def`
[INFO] [stdout]  --> src/basic.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |  fn variable_def(){
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shadowing_def`
[INFO] [stdout]   --> src/basic.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |  fn shadowing_def(){
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shadowing`
[INFO] [stdout]   --> src/basic.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn shadowing() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_const`
[INFO] [stdout]   --> src/basic.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn test_const() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_int`
[INFO] [stdout]   --> src/basic.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn test_int() {}
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_float`
[INFO] [stdout]   --> src/basic.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn test_float() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_math`
[INFO] [stdout]   --> src/basic.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn test_math() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `multi_variable`
[INFO] [stdout]   --> src/basic.rs:70:4
[INFO] [stdout]    |
[INFO] [stdout] 70 | fn multi_variable() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 80 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 80 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "d5a971ad73570490a09a78c0e94372ea7006eae362335d55bab2a49d5614df2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a971ad73570490a09a78c0e94372ea7006eae362335d55bab2a49d5614df2c", kill_on_drop: false }`
[INFO] [stdout] d5a971ad73570490a09a78c0e94372ea7006eae362335d55bab2a49d5614df2c