[INFO] cloning repository https://github.com/M-Isonni/learning_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/M-Isonni/learning_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM-Isonni%2Flearning_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM-Isonni%2Flearning_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5ed7c9e772ff95a1ca633c6a84905ba46300147
[INFO] checking M-Isonni/learning_Rust against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FM-Isonni%2Flearning_Rust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/M-Isonni/learning_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/M-Isonni/learning_Rust
[INFO] finished tweaking git repo https://github.com/M-Isonni/learning_Rust
[INFO] tweaked toml for git repo https://github.com/M-Isonni/learning_Rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/M-Isonni/learning_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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5e84c628638ad4f468bd0710e29011aed17ae470559254bf807cbca983b4d38b
[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" "5e84c628638ad4f468bd0710e29011aed17ae470559254bf807cbca983b4d38b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e84c628638ad4f468bd0710e29011aed17ae470559254bf807cbca983b4d38b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e84c628638ad4f468bd0710e29011aed17ae470559254bf807cbca983b4d38b", kill_on_drop: false }`
[INFO] [stdout] 5e84c628638ad4f468bd0710e29011aed17ae470559254bf807cbca983b4d38b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] b93910e7d905d168a86ff14fc8baa9154f2da5956449729e0cdf618e4b5a1735
[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" "b93910e7d905d168a86ff14fc8baa9154f2da5956449729e0cdf618e4b5a1735", kill_on_drop: false }`
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/matches.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut count = 0;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> src/matches.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         count += 1;
[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: `f`
[INFO] [stdout]   --> src/panics.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let f = match f{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/panics.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let f = File::open("hello.txt").map_err(|error| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/panics.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let f = File::open("hello.txt").unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/panics.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let f = File::open("hello.txt").expect("Failed to open hello.txt");
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/panics.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let res = match res{
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_result`
[INFO] [stdout]    --> src/panics.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let second_result = match second_result{
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `third_result`
[INFO] [stdout]    --> src/panics.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let third_result = match third_result {
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_third_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/panics.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let f = File::open("hello.txt")?;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `both_integer`
[INFO] [stdout]    --> src/generics.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let both_integer = Point { x: 5, y: 10 };
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_both_integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer_and_float`
[INFO] [stdout]    --> src/generics.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let integer_and_float = Point { x: 5, y: 4.0 };   
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer_and_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/traits.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let s = t.clone();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/traits.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let r = u.clone();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nickel`
[INFO] [stdout]  --> src/matches.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Nickel,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dime`
[INFO] [stdout]  --> src/matches.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Dime,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Alabama`
[INFO] [stdout]   --> src/matches.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Alabama,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_panic`
[INFO] [stdout]  --> src/panics.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn make_panic(){
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `out_of_index_panic`
[INFO] [stdout]   --> src/panics.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn out_of_index_panic(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_map_error`
[INFO] [stdout]   --> src/panics.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn make_map_error(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_expect_error`
[INFO] [stdout]   --> src/panics.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn make_expect_error(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `general_larget`
[INFO] [stdout]   --> src/generics.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn general_larget<T: PartialOrd + Clone>(list: &[T])->T{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify`
[INFO] [stdout]   --> src/traits.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn notify(item: impl Summary) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify_overload`
[INFO] [stdout]   --> src/traits.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn notify_overload<T: Summary>(item1: T, item2: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify_adding_traits`
[INFO] [stdout]   --> src/traits.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn notify_adding_traits<T: Summary + Debug>(item: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `some_function`
[INFO] [stdout]   --> src/traits.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn some_function<T, U>(t: T, u: U) -> i32
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `returns_summarizable`
[INFO] [stdout]   --> src/traits.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn returns_summarizable() -> impl Summary {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pair`
[INFO] [stdout]   --> src/traits.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct Pair<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/traits.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn new(x: T, y: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cmp_display`
[INFO] [stdout]    --> src/traits.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn cmp_display(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `count` is assigned to, but never used
[INFO] [stdout]   --> src/matches.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut count = 0;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]    = note: consider using `_count` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]   --> src/matches.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         count += 1;
[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: `f`
[INFO] [stdout]   --> src/panics.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let f = match f{
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/panics.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let f = File::open("hello.txt").map_err(|error| {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/panics.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let f = File::open("hello.txt").unwrap();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/panics.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let f = File::open("hello.txt").expect("Failed to open hello.txt");
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/panics.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let res = match res{
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `second_result`
[INFO] [stdout]    --> src/panics.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let second_result = match second_result{
[INFO] [stdout]     |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_second_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `third_result`
[INFO] [stdout]    --> src/panics.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     let third_result = match third_result {
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_third_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/panics.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |     let f = File::open("hello.txt")?;
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `both_integer`
[INFO] [stdout]    --> src/generics.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let both_integer = Point { x: 5, y: 10 };
[INFO] [stdout]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_both_integer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer_and_float`
[INFO] [stdout]    --> src/generics.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let integer_and_float = Point { x: 5, y: 4.0 };   
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer_and_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/traits.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let s = t.clone();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/traits.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let r = u.clone();
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nickel`
[INFO] [stdout]  --> src/matches.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Nickel,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dime`
[INFO] [stdout]  --> src/matches.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Dime,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Alabama`
[INFO] [stdout]   --> src/matches.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Alabama,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_panic`
[INFO] [stdout]  --> src/panics.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn make_panic(){
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `out_of_index_panic`
[INFO] [stdout]   --> src/panics.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn out_of_index_panic(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_map_error`
[INFO] [stdout]   --> src/panics.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn make_map_error(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `make_expect_error`
[INFO] [stdout]   --> src/panics.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn make_expect_error(){
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `general_larget`
[INFO] [stdout]   --> src/generics.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn general_larget<T: PartialOrd + Clone>(list: &[T])->T{
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify`
[INFO] [stdout]   --> src/traits.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn notify(item: impl Summary) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify_overload`
[INFO] [stdout]   --> src/traits.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn notify_overload<T: Summary>(item1: T, item2: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify_adding_traits`
[INFO] [stdout]   --> src/traits.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn notify_adding_traits<T: Summary + Debug>(item: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `some_function`
[INFO] [stdout]   --> src/traits.rs:48:4
[INFO] [stdout]    |
[INFO] [stdout] 48 | fn some_function<T, U>(t: T, u: U) -> i32
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `returns_summarizable`
[INFO] [stdout]   --> src/traits.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn returns_summarizable() -> impl Summary {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pair`
[INFO] [stdout]   --> src/traits.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct Pair<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/traits.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn new(x: T, y: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cmp_display`
[INFO] [stdout]    --> src/traits.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn cmp_display(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "b93910e7d905d168a86ff14fc8baa9154f2da5956449729e0cdf618e4b5a1735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b93910e7d905d168a86ff14fc8baa9154f2da5956449729e0cdf618e4b5a1735", kill_on_drop: false }`
[INFO] [stdout] b93910e7d905d168a86ff14fc8baa9154f2da5956449729e0cdf618e4b5a1735