[INFO] cloning repository https://github.com/xh20220630/rust-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xh20220630/rust-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxh20220630%2Frust-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxh20220630%2Frust-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50fc862faef45dbf1cac9aa94155cd6c12768e75
[INFO] checking xh20220630/rust-project against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxh20220630%2Frust-project" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/xh20220630/rust-project
[INFO] finished tweaking git repo https://github.com/xh20220630/rust-project
[INFO] tweaked toml for git repo https://github.com/xh20220630/rust-project written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/xh20220630/rust-project on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/xh20220630/rust-project already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e108a99af19ddc9de0cce1821ea20ab3d1af7da7a9fd43aba62bd88b6292ac1b
[INFO] running `Command { std: "docker" "start" "-a" "e108a99af19ddc9de0cce1821ea20ab3d1af7da7a9fd43aba62bd88b6292ac1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e108a99af19ddc9de0cce1821ea20ab3d1af7da7a9fd43aba62bd88b6292ac1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e108a99af19ddc9de0cce1821ea20ab3d1af7da7a9fd43aba62bd88b6292ac1b", kill_on_drop: false }`
[INFO] [stdout] e108a99af19ddc9de0cce1821ea20ab3d1af7da7a9fd43aba62bd88b6292ac1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d3e54b582347ae9e604ef964ea6b892ce3db33ef366eb1d92740cb5f49bcf57
[INFO] running `Command { std: "docker" "start" "-a" "7d3e54b582347ae9e604ef964ea6b892ce3db33ef366eb1d92740cb5f49bcf57", kill_on_drop: false }`
[INFO] [stderr]     Checking world_hello v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `castCoin` should have an upper camel case name
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     castCoin(Coin),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `CastCoin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `chanrgeCion` should have an upper camel case name
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     chanrgeCion(Coin),
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `ChanrgeCion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:55:51
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let coin_value = value_in_cents(Coin::Quarter((UsState::Alabama)));
[INFO] [stdout]    |                                                   ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -     let coin_value = value_in_cents(Coin::Quarter((UsState::Alabama)));
[INFO] [stdout] 55 +     let coin_value = value_in_cents(Coin::Quarter(UsState::Alabama));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:63:45
[INFO] [stdout]    |
[INFO] [stdout] 63 |     user.actionCoin(CoinAction::chanrgeCion((Coin::Dime)));
[INFO] [stdout]    |                                             ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     user.actionCoin(CoinAction::chanrgeCion((Coin::Dime)));
[INFO] [stdout] 63 +     user.actionCoin(CoinAction::chanrgeCion(Coin::Dime));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:65:45
[INFO] [stdout]    |
[INFO] [stdout] 65 |     user.actionCoin(CoinAction::chanrgeCion((Coin::Quarter((UsState::Alaska)))));
[INFO] [stdout]    |                                             ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -     user.actionCoin(CoinAction::chanrgeCion((Coin::Quarter((UsState::Alaska)))));
[INFO] [stdout] 65 +     user.actionCoin(CoinAction::chanrgeCion(Coin::Quarter((UsState::Alaska))));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:65:60
[INFO] [stdout]    |
[INFO] [stdout] 65 |     user.actionCoin(CoinAction::chanrgeCion((Coin::Quarter((UsState::Alaska)))));
[INFO] [stdout]    |                                                            ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -     user.actionCoin(CoinAction::chanrgeCion((Coin::Quarter((UsState::Alaska)))));
[INFO] [stdout] 65 +     user.actionCoin(CoinAction::chanrgeCion((Coin::Quarter(UsState::Alaska))));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `castCoin` should have an upper camel case name
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     castCoin(Coin),
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `CastCoin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `chanrgeCion` should have an upper camel case name
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     chanrgeCion(Coin),
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `ChanrgeCion`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:55:51
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let coin_value = value_in_cents(Coin::Quarter((UsState::Alabama)));
[INFO] [stdout]    |                                                   ^                ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -     let coin_value = value_in_cents(Coin::Quarter((UsState::Alabama)));
[INFO] [stdout] 55 +     let coin_value = value_in_cents(Coin::Quarter(UsState::Alabama));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:63:45
[INFO] [stdout]    |
[INFO] [stdout] 63 |     user.actionCoin(CoinAction::chanrgeCion((Coin::Dime)));
[INFO] [stdout]    |                                             ^          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 63 -     user.actionCoin(CoinAction::chanrgeCion((Coin::Dime)));
[INFO] [stdout] 63 +     user.actionCoin(CoinAction::chanrgeCion(Coin::Dime));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:65:45
[INFO] [stdout]    |
[INFO] [stdout] 65 |     user.actionCoin(CoinAction::chanrgeCion((Coin::Quarter((UsState::Alaska)))));
[INFO] [stdout]    |                                             ^                                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -     user.actionCoin(CoinAction::chanrgeCion((Coin::Quarter((UsState::Alaska)))));
[INFO] [stdout] 65 +     user.actionCoin(CoinAction::chanrgeCion(Coin::Quarter((UsState::Alaska))));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:65:60
[INFO] [stdout]    |
[INFO] [stdout] 65 |     user.actionCoin(CoinAction::chanrgeCion((Coin::Quarter((UsState::Alaska)))));
[INFO] [stdout]    |                                                            ^               ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -     user.actionCoin(CoinAction::chanrgeCion((Coin::Quarter((UsState::Alaska)))));
[INFO] [stdout] 65 +     user.actionCoin(CoinAction::chanrgeCion((Coin::Quarter(UsState::Alaska))));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]   --> src/generic/mod.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let integer = Point { x: 5, y: 10 };
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]   --> src/generic/mod.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let float = Point { x: 1.0, y: 4.0 };
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/composite_type/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UsState` is never used
[INFO] [stdout]  --> src/composite_type/my_match/mod.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum UsState {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Coin` is never used
[INFO] [stdout]  --> src/composite_type/my_match/mod.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Coin {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CoinAction` is never used
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum CoinAction {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `actionCoin` is never used
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl User{
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 28 |     fn actionCoin(&mut self ,action:CoinAction){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `value_in_cents` is never used
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn value_in_cents(coin: Coin) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rect` is never constructed
[INFO] [stdout]  --> src/methods/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Rect{
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `area` is never used
[INFO] [stdout]  --> src/methods/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Rect {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 7 |     fn area(&self) -> u32{
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/methods/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn  main() {
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/generic/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Point<T>{
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 31 |     x:T,
[INFO] [stdout]    |     ^
[INFO] [stdout] 32 |     y:T
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `actionCoin` should have a snake case name
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn actionCoin(&mut self ,action:CoinAction){
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `action_coin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `coinsEnumArr` should have a snake case name
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let coinsEnumArr = [
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `coins_enum_arr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `integer`
[INFO] [stdout]   --> src/generic/mod.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let integer = Point { x: 5, y: 10 };
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_integer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `float`
[INFO] [stdout]   --> src/generic/mod.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let float = Point { x: 1.0, y: 4.0 };
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_float`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/composite_type/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UsState` is never used
[INFO] [stdout]  --> src/composite_type/my_match/mod.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum UsState {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Coin` is never used
[INFO] [stdout]  --> src/composite_type/my_match/mod.rs:8:6
[INFO] [stdout]   |
[INFO] [stdout] 8 | enum Coin {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CoinAction` is never used
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:15:6
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum CoinAction {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct User {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `actionCoin` is never used
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl User{
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 28 |     fn actionCoin(&mut self ,action:CoinAction){
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `value_in_cents` is never used
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn value_in_cents(coin: Coin) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn main() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rect` is never constructed
[INFO] [stdout]  --> src/methods/mod.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Rect{
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `area` is never used
[INFO] [stdout]  --> src/methods/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Rect {
[INFO] [stdout]   | --------- method in this implementation
[INFO] [stdout] 7 |     fn area(&self) -> u32{
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/methods/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn  main() {
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/generic/mod.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct Point<T>{
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 31 |     x:T,
[INFO] [stdout]    |     ^
[INFO] [stdout] 32 |     y:T
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `actionCoin` should have a snake case name
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn actionCoin(&mut self ,action:CoinAction){
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to snake case: `action_coin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `coinsEnumArr` should have a snake case name
[INFO] [stdout]   --> src/composite_type/my_match/mod.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let coinsEnumArr = [
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `coins_enum_arr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "7d3e54b582347ae9e604ef964ea6b892ce3db33ef366eb1d92740cb5f49bcf57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3e54b582347ae9e604ef964ea6b892ce3db33ef366eb1d92740cb5f49bcf57", kill_on_drop: false }`
[INFO] [stdout] 7d3e54b582347ae9e604ef964ea6b892ce3db33ef366eb1d92740cb5f49bcf57