[INFO] cloning repository https://github.com/LjtGentle/rust_demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LjtGentle/rust_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLjtGentle%2Frust_demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLjtGentle%2Frust_demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 75a7cb424e748715f35e5d620f6e45c7e6140bd2 [INFO] checking LjtGentle/rust_demo/75a7cb424e748715f35e5d620f6e45c7e6140bd2 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLjtGentle%2Frust_demo" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/LjtGentle/rust_demo on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/LjtGentle/rust_demo [INFO] finished tweaking git repo https://github.com/LjtGentle/rust_demo [INFO] tweaked toml for git repo https://github.com/LjtGentle/rust_demo written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/LjtGentle/rust_demo 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 92e46589feaa93c92bde85bcc41973990856e36284c98b8aff16698e8b2abb8f [INFO] running `Command { std: "docker" "start" "-a" "92e46589feaa93c92bde85bcc41973990856e36284c98b8aff16698e8b2abb8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "92e46589feaa93c92bde85bcc41973990856e36284c98b8aff16698e8b2abb8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92e46589feaa93c92bde85bcc41973990856e36284c98b8aff16698e8b2abb8f", kill_on_drop: false }` [INFO] [stdout] 92e46589feaa93c92bde85bcc41973990856e36284c98b8aff16698e8b2abb8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 49438cd1dc25d644e56d3b149f1a73bb800ceaeae5bd337a52b8670d14464e9f [INFO] running `Command { std: "docker" "start" "-a" "49438cd1dc25d644e56d3b149f1a73bb800ceaeae5bd337a52b8670d14464e9f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking restaurant v0.1.0 (/opt/rustwide/workdir/restaurant) [INFO] [stderr] Checking adder v0.1.0 (/opt/rustwide/workdir/adder) [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> adder/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `seat_at_table` is never used [INFO] [stdout] --> restaurant/src/lib.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | fn seat_at_table() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_order` is never used [INFO] [stdout] --> restaurant/src/lib.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | fn take_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serve_order` is never used [INFO] [stdout] --> restaurant/src/lib.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | fn serve_order() {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_payment` is never used [INFO] [stdout] --> restaurant/src/lib.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | fn take_payment() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> adder/src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> adder/src/lib.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn greeting(name: &str) -> String { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> adder/src/lib.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `can_hold` is never used [INFO] [stdout] --> adder/src/lib.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 14 | impl Rectangle { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 15 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_two` is never used [INFO] [stdout] --> adder/src/lib.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn add_two(num: u32) -> u32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> adder/src/lib.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct Guess { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 30 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `println_return_10` is never used [INFO] [stdout] --> adder/src/lib.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn println_return_10(num: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `seat_at_table` is never used [INFO] [stdout] --> restaurant/src/lib.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | fn seat_at_table() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_order` is never used [INFO] [stdout] --> restaurant/src/lib.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | fn take_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `serve_order` is never used [INFO] [stdout] --> restaurant/src/lib.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | fn serve_order() {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `take_payment` is never used [INFO] [stdout] --> restaurant/src/lib.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | fn take_payment() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> adder/src/lib.rs:24:17 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn greeting(name: &str) -> String { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> adder/src/lib.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 29 | pub struct Guess { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 30 | value: i32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rust_demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `restaurant` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use restaurant; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/fearless_concurrency.rs:14:27 [INFO] [stdout] | [INFO] [stdout] 14 | thread::sleep((Duration::from_millis(1))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 14 - thread::sleep((Duration::from_millis(1))); [INFO] [stdout] 14 + thread::sleep(Duration::from_millis(1)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/smart_pointers.rs:362:47 [INFO] [stdout] | [INFO] [stdout] 362 | *leaf.parent.borrow_mut() = Rc::downgrade((&branch)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 362 - *leaf.parent.borrow_mut() = Rc::downgrade((&branch)); [INFO] [stdout] 362 + *leaf.parent.borrow_mut() = Rc::downgrade(&branch); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/smart_pointers.rs:386:51 [INFO] [stdout] | [INFO] [stdout] 386 | *leaf.parent.borrow_mut() = Rc::downgrade((&branch)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 386 - *leaf.parent.borrow_mut() = Rc::downgrade((&branch)); [INFO] [stdout] 386 + *leaf.parent.borrow_mut() = Rc::downgrade(&branch); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Button` and `Screen` [INFO] [stdout] --> src/oop_demo.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::oop_demo::oop::{Button, Screen}; [INFO] [stdout] | ^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::CString` [INFO] [stdout] --> src/oop_demo/oop.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ffi::CString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `restaurant` [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use restaurant; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/fearless_concurrency.rs:14:27 [INFO] [stdout] | [INFO] [stdout] 14 | thread::sleep((Duration::from_millis(1))); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 14 - thread::sleep((Duration::from_millis(1))); [INFO] [stdout] 14 + thread::sleep(Duration::from_millis(1)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/smart_pointers.rs:362:47 [INFO] [stdout] | [INFO] [stdout] 362 | *leaf.parent.borrow_mut() = Rc::downgrade((&branch)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 362 - *leaf.parent.borrow_mut() = Rc::downgrade((&branch)); [INFO] [stdout] 362 + *leaf.parent.borrow_mut() = Rc::downgrade(&branch); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/smart_pointers.rs:386:51 [INFO] [stdout] | [INFO] [stdout] 386 | *leaf.parent.borrow_mut() = Rc::downgrade((&branch)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 386 - *leaf.parent.borrow_mut() = Rc::downgrade((&branch)); [INFO] [stdout] 386 + *leaf.parent.borrow_mut() = Rc::downgrade(&branch); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Button` and `Screen` [INFO] [stdout] --> src/oop_demo.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::oop_demo::oop::{Button, Screen}; [INFO] [stdout] | ^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::CString` [INFO] [stdout] --> src/oop_demo/oop.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::ffi::CString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/comm_concepts.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut spaces2 = " "; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v6` [INFO] [stdout] --> src/enums.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let v6 = Ipv6Addr {}; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v6` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/enums.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let home = IpAdd4::V4(v4); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/enums.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let loopback = IpAdd4::V6(Ipv6Addr {}); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_number` [INFO] [stdout] --> src/enums.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let some_number = Some(5); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `absent_number` [INFO] [stdout] --> src/enums.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let absent_number: Option = None; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_absent_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/match_flow.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/match_flow.rs:50:14 [INFO] [stdout] | [INFO] [stdout] 50 | _ => count += 1, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/match_flow.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/match_flow.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/ref_and_borrow.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let r1 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/ref_and_borrow.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let r1 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> src/ref_and_borrow.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let r2 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/ref_and_borrow.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let r1 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> src/ref_and_borrow.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let r2 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r3` [INFO] [stdout] --> src/ref_and_borrow.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let r3 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ret` [INFO] [stdout] --> src/ref_and_borrow.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let ret = no_dangle(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ret` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/collections.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/collections.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | 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: `exist` [INFO] [stdout] --> src/collections.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let exist = &v[1]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_exist` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `does_not_exist` [INFO] [stdout] --> src/collections.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let does_not_exist = v.get(100); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/collections.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | let mut s = String::new(); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s1` [INFO] [stdout] --> src/collections.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let s1 = String::from("hello"); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/comm_concepts.rs:48:9 [INFO] [stdout] | [INFO] [stdout] 48 | let mut spaces2 = " "; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/error_handle.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | 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/error_handle.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let f = File::open(filename).unwrap_or_else(|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/error_handle.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let f = File::open(filename).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/error_handle.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let f = File::open(filename).expect("open file failed"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v6` [INFO] [stdout] --> src/enums.rs:69:9 [INFO] [stdout] | [INFO] [stdout] 69 | let v6 = Ipv6Addr {}; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v6` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/enums.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let home = IpAdd4::V4(v4); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/enums.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let loopback = IpAdd4::V6(Ipv6Addr {}); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `some_number` [INFO] [stdout] --> src/enums.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | let some_number = Some(5); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_some_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `absent_number` [INFO] [stdout] --> src/enums.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | let absent_number: Option = None; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_absent_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/match_flow.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/match_flow.rs:50:14 [INFO] [stdout] | [INFO] [stdout] 50 | _ => count += 1, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/match_flow.rs:52:13 [INFO] [stdout] | [INFO] [stdout] 52 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/match_flow.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/ref_and_borrow.rs:18:9 [INFO] [stdout] | [INFO] [stdout] 18 | let r1 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/ref_and_borrow.rs:24:13 [INFO] [stdout] | [INFO] [stdout] 24 | let r1 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> src/ref_and_borrow.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | let r2 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r1` [INFO] [stdout] --> src/ref_and_borrow.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | let r1 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r2` [INFO] [stdout] --> src/ref_and_borrow.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | let r2 = &s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r3` [INFO] [stdout] --> src/ref_and_borrow.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let r3 = &mut s; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_r3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ret` [INFO] [stdout] --> src/ref_and_borrow.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let ret = no_dangle(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_ret` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/smart_pointers.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 118 | let b = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/smart_pointers.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | let b = List2::Cons(3, Box::new(a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/collections.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/collections.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | 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: `exist` [INFO] [stdout] --> src/collections.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let exist = &v[1]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_exist` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `does_not_exist` [INFO] [stdout] --> src/collections.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let does_not_exist = v.get(100); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_does_not_exist` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s` is never read [INFO] [stdout] --> src/collections.rs:44:13 [INFO] [stdout] | [INFO] [stdout] 44 | let mut s = String::new(); [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s1` [INFO] [stdout] --> src/collections.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let s1 = String::from("hello"); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/smart_pointers.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | let b = List3::Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/smart_pointers.rs:151:13 [INFO] [stdout] | [INFO] [stdout] 151 | let c = List3::Cons(4, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/trait_demo.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let s: &'static str = "I have a rustcc"; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/error_handle.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | 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/error_handle.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 42 | let f = File::open(filename).unwrap_or_else(|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/error_handle.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let f = File::open(filename).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/error_handle.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let f = File::open(filename).expect("open file failed"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/trait_demo.rs:163:17 [INFO] [stdout] | [INFO] [stdout] 163 | pub fn notify03(item: impl Sunmary + Display) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/trait_demo.rs:166:39 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn notify04(item: T) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/trait_demo.rs:168:57 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn notify05(t: T, u: U) -> u32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/trait_demo.rs:168:63 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn notify05(t: T, u: U) -> u32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/trait_demo.rs:172:23 [INFO] [stdout] | [INFO] [stdout] 172 | pub fn notify06(t: T, u: U) -> u32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/trait_demo.rs:172:29 [INFO] [stdout] | [INFO] [stdout] 172 | pub fn notify06(t: T, u: U) -> u32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/comm_concepts.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test02` is never used [INFO] [stdout] --> src/comm_concepts.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn test02() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MY_CONSTANTS` is never used [INFO] [stdout] --> src/comm_concepts.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | const MY_CONSTANTS: u32 = 60 * 60 * 3; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test03` is never used [INFO] [stdout] --> src/comm_concepts.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn test03() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shadowing` is never used [INFO] [stdout] --> src/comm_concepts.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn shadowing() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shadowing02` is never used [INFO] [stdout] --> src/comm_concepts.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn shadowing02() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `data_type` is never used [INFO] [stdout] --> src/comm_concepts.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn data_type() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Functions` is never used [INFO] [stdout] --> src/comm_concepts.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn Functions() {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fun_test01` is never used [INFO] [stdout] --> src/comm_concepts.rs:86:4 [INFO] [stdout] | [INFO] [stdout] 86 | fn fun_test01() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/control_flow.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddrKind` is never used [INFO] [stdout] --> src/enums.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum IpAddrKind { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IpAddr` is never constructed [INFO] [stdout] --> src/enums.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct IpAddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddrInfo` is never used [INFO] [stdout] --> src/enums.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum IpAddrInfo { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddr3` is never used [INFO] [stdout] --> src/enums.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 19 | enum IpAddr3 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ipv4Addr` is never constructed [INFO] [stdout] --> src/enums.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct Ipv4Addr {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ipv6Addr` is never constructed [INFO] [stdout] --> src/enums.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct Ipv6Addr {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAdd4` is never used [INFO] [stdout] --> src/enums.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | enum IpAdd4 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/enums.rs:32:6 [INFO] [stdout] | [INFO] [stdout] 32 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `call` is never used [INFO] [stdout] --> src/enums.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl Message { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 39 | fn call(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `enums01` is never used [INFO] [stdout] --> src/enums.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn enums01() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `route` is never used [INFO] [stdout] --> src/enums.rs:87:4 [INFO] [stdout] | [INFO] [stdout] 87 | fn route(ip_type: IpAddrKind) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Coin` is never used [INFO] [stdout] --> src/enums.rs:91:6 [INFO] [stdout] | [INFO] [stdout] 91 | enum Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `value_in_cents` is never used [INFO] [stdout] --> src/enums.rs:98:4 [INFO] [stdout] | [INFO] [stdout] 98 | fn value_in_cents(coin: Coin) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `value_in_cents02` is never used [INFO] [stdout] --> src/enums.rs:106:4 [INFO] [stdout] | [INFO] [stdout] 106 | fn value_in_cents02(coin: Coin) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `UsState` is never used [INFO] [stdout] --> src/enums.rs:119:6 [INFO] [stdout] | [INFO] [stdout] 119 | enum UsState { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Coin02` is never used [INFO] [stdout] --> src/enums.rs:123:6 [INFO] [stdout] | [INFO] [stdout] 123 | enum Coin02 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `value_in_cents03` is never used [INFO] [stdout] --> src/enums.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn value_in_cents03(coin: Coin02) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/enums.rs:142:4 [INFO] [stdout] | [INFO] [stdout] 142 | fn plus_one(x: Option) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game01` is never used [INFO] [stdout] --> src/guess_game.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn guess_game01() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game_random01` is never used [INFO] [stdout] --> src/guess_game.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn guess_game_random01() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game_random02` is never used [INFO] [stdout] --> src/guess_game.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn guess_game_random02() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game_random03` is never used [INFO] [stdout] --> src/guess_game.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn guess_game_random03() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `UsState` is never used [INFO] [stdout] --> src/match_flow.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/match_flow.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | enum Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `match01` is never used [INFO] [stdout] --> src/match_flow.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn match01() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_fancy_hat` is never used [INFO] [stdout] --> src/match_flow.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn add_fancy_hat() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remove_fancy_hat` is never used [INFO] [stdout] --> src/match_flow.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn remove_fancy_hat() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `move_player` is never used [INFO] [stdout] --> src/match_flow.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn move_player(num_spaces: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reroll` is never used [INFO] [stdout] --> src/match_flow.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn reroll() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ownership01` is never used [INFO] [stdout] --> src/ownership.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn ownership01() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_ownership` is never used [INFO] [stdout] --> src/ownership.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn takes_ownership(s: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `makes_copy` is never used [INFO] [stdout] --> src/ownership.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn makes_copy(i: u32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `give_ownership` is never used [INFO] [stdout] --> src/ownership.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn give_ownership() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `token_give_ownership` is never used [INFO] [stdout] --> src/ownership.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn token_give_ownership(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `references_and_Bborrowing01` is never used [INFO] [stdout] --> src/ref_and_borrow.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn references_and_Bborrowing01() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_len` is never used [INFO] [stdout] --> src/ref_and_borrow.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn calculate_len(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `changeMut` is never used [INFO] [stdout] --> src/ref_and_borrow.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn changeMut(s: &mut String) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `no_dangle` is never used [INFO] [stdout] --> src/ref_and_borrow.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn no_dangle() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `slice01` is never used [INFO] [stdout] --> src/slice.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn slice01() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word` is never used [INFO] [stdout] --> src/slice.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn first_word(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word02` is never used [INFO] [stdout] --> src/slice.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn first_word02(s: &String) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `frist_word03` is never used [INFO] [stdout] --> src/slice.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn frist_word03(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/structure.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Color` is never constructed [INFO] [stdout] --> src/structure.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/structure.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Point(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NoField` is never constructed [INFO] [stdout] --> src/structure.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct NoField; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `struct01` is never used [INFO] [stdout] --> src/structure.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn struct01() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_user` is never used [INFO] [stdout] --> src/structure.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn build_user(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_user02` is never used [INFO] [stdout] --> src/structure.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn build_user02(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `user_sturct` is never used [INFO] [stdout] --> src/structure.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn user_sturct() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/structure.rs:125:8 [INFO] [stdout] | [INFO] [stdout] 125 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `area`, `width`, `can_hold`, and `square` are never used [INFO] [stdout] --> src/structure.rs:131:8 [INFO] [stdout] | [INFO] [stdout] 130 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 131 | fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | fn width(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | fn square(size: u32) -> Rectangle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `area` is never used [INFO] [stdout] --> src/structure.rs:149:4 [INFO] [stdout] | [INFO] [stdout] 149 | fn area(w: u32, h: u32) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `area02` is never used [INFO] [stdout] --> src/structure.rs:153:4 [INFO] [stdout] | [INFO] [stdout] 153 | fn area02(dimensions: (u32, u32)) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `area03` is never used [INFO] [stdout] --> src/structure.rs:157:4 [INFO] [stdout] | [INFO] [stdout] 157 | fn area03(r: Rectangle) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vector01` is never used [INFO] [stdout] --> src/collections.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn vector01() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `SpreadsheetCell` is never used [INFO] [stdout] --> src/collections.rs:143:6 [INFO] [stdout] | [INFO] [stdout] 143 | enum SpreadsheetCell { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/error_handle.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `call_panic` is never used [INFO] [stdout] --> src/error_handle.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn call_panic() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `call_pannic02` is never used [INFO] [stdout] --> src/error_handle.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn call_pannic02() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `open_file01` is never used [INFO] [stdout] --> src/error_handle.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn open_file01() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `open_file02` is never used [INFO] [stdout] --> src/error_handle.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn open_file02() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `open_file_panic` is never used [INFO] [stdout] --> src/error_handle.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn open_file_panic() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `open_file_panic02` is never used [INFO] [stdout] --> src/error_handle.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn open_file_panic02() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/error_handle.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file02` is never used [INFO] [stdout] --> src/error_handle.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn read_username_from_file02() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file03` is never used [INFO] [stdout] --> src/error_handle.rs:87:4 [INFO] [stdout] | [INFO] [stdout] 87 | fn read_username_from_file03() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/generic_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn demo() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test02` is never used [INFO] [stdout] --> src/generic_demo.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn test02() -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest03` is never used [INFO] [stdout] --> src/generic_demo.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn largest03(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/generic_demo.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `x` and `y` are never used [INFO] [stdout] --> src/generic_demo.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 45 | impl Point { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] 46 | fn x(&self) -> &T { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn y(&self) -> &T { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `distance_from_origin` is never used [INFO] [stdout] --> src/generic_demo.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 54 | impl Point { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 55 | fn distance_from_origin(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point2` is never constructed [INFO] [stdout] --> src/generic_demo.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | struct Point2 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `mixup` is never used [INFO] [stdout] --> src/generic_demo.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 66 | impl Point2 { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] 67 | fn mixup(self, other: Point2) -> Point2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `closures_demo` is never used [INFO] [stdout] --> src/closures.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn closures_demo() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simulated_expensive_calculation` is never used [INFO] [stdout] --> src/closures.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn simulated_expensive_calculation(intensity: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout` is never used [INFO] [stdout] --> src/closures.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout02` is never used [INFO] [stdout] --> src/closures.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn generate_workout02(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout03` is never used [INFO] [stdout] --> src/closures.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn generate_workout03(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout04` is never used [INFO] [stdout] --> src/closures.rs:78:4 [INFO] [stdout] | [INFO] [stdout] 78 | fn generate_workout04(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cacher` is never constructed [INFO] [stdout] --> src/closures.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 100 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/closures.rs:112:8 [INFO] [stdout] | [INFO] [stdout] 108 | / impl Cacher [INFO] [stdout] 109 | | where [INFO] [stdout] 110 | | T: Fn(u32) -> u32, [INFO] [stdout] | |______________________- associated items in this implementation [INFO] [stdout] 111 | { [INFO] [stdout] 112 | fn new(calculate: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/fearless_concurrency.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn demo() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_demo` is never used [INFO] [stdout] --> src/fearless_concurrency.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn spawn_demo() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `move_demo02` is never used [INFO] [stdout] --> src/fearless_concurrency.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn move_demo02() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `channel_demo` is never used [INFO] [stdout] --> src/fearless_concurrency.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn channel_demo() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `iterators_demo` is never used [INFO] [stdout] --> src/iterators.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn iterators_demo() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/iterators.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test02` is never used [INFO] [stdout] --> src/iterators.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn test02() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test03` is never used [INFO] [stdout] --> src/iterators.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn test03() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test04` is never used [INFO] [stdout] --> src/iterators.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn test04() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Shoe` is never constructed [INFO] [stdout] --> src/iterators.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | struct Shoe { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shoes_in_my_size` is never used [INFO] [stdout] --> src/iterators.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn shoes_in_my_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/iterators.rs:77:8 [INFO] [stdout] | [INFO] [stdout] 77 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/iterators.rs:82:8 [INFO] [stdout] | [INFO] [stdout] 81 | impl Counter { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 82 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/minigrep.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn demo() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/minigrep.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test02` is never used [INFO] [stdout] --> src/minigrep.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn test02() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test03` is never used [INFO] [stdout] --> src/minigrep.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn test03() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test04` is never used [INFO] [stdout] --> src/minigrep.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn test04() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Config` is never constructed [INFO] [stdout] --> src/minigrep.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | struct Config { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `new02`, and `run` are never used [INFO] [stdout] --> src/minigrep.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 63 | impl Config { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 64 | pub fn new(args: &[String]) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | pub fn new02(mut args: std::env::Args) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | pub fn run(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search` is never used [INFO] [stdout] --> src/minigrep.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search_case_insenitive` is never used [INFO] [stdout] --> src/minigrep.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn search_case_insenitive<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search_case_insenitive02` is never used [INFO] [stdout] --> src/minigrep.rs:133:8 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn search_case_insenitive02<'a>(query: &str, cotents: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List` is never used [INFO] [stdout] --> src/smart_pointers.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/smart_pointers.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn demo() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `box_demo01` is never used [INFO] [stdout] --> src/smart_pointers.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn box_demo01() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `box_demo03` is never used [INFO] [stdout] --> src/smart_pointers.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn box_demo03() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `deref_demo01` is never used [INFO] [stdout] --> src/smart_pointers.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn deref_demo01() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `deref_demo02` is never used [INFO] [stdout] --> src/smart_pointers.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn deref_demo02() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyBox` is never constructed [INFO] [stdout] --> src/smart_pointers.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | struct MyBox(T); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/smart_pointers.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 68 | impl MyBox { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 69 | fn new(x: T) -> MyBox { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mybox_demo` is never used [INFO] [stdout] --> src/smart_pointers.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn mybox_demo() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello` is never used [INFO] [stdout] --> src/smart_pointers.rs:93:4 [INFO] [stdout] | [INFO] [stdout] 93 | fn hello(name: &str) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CustomSmartPointer` is never constructed [INFO] [stdout] --> src/smart_pointers.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | struct CustomSmartPointer { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `drop_demo` is never used [INFO] [stdout] --> src/smart_pointers.rs:109:4 [INFO] [stdout] | [INFO] [stdout] 109 | fn drop_demo() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List2` is never used [INFO] [stdout] --> src/smart_pointers.rs:125:6 [INFO] [stdout] | [INFO] [stdout] 125 | enum List2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rc_demo01` is never used [INFO] [stdout] --> src/smart_pointers.rs:129:4 [INFO] [stdout] | [INFO] [stdout] 129 | fn rc_demo01() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List3` is never used [INFO] [stdout] --> src/smart_pointers.rs:137:6 [INFO] [stdout] | [INFO] [stdout] 137 | enum List3 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rc_demo02` is never used [INFO] [stdout] --> src/smart_pointers.rs:142:4 [INFO] [stdout] | [INFO] [stdout] 142 | fn rc_demo02() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Messenger` is never used [INFO] [stdout] --> src/smart_pointers.rs:163:11 [INFO] [stdout] | [INFO] [stdout] 163 | pub trait Messenger { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LimitTracker` is never constructed [INFO] [stdout] --> src/smart_pointers.rs:167:12 [INFO] [stdout] | [INFO] [stdout] 167 | pub struct LimitTracker<'a, T: Messenger> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `set_value` are never used [INFO] [stdout] --> src/smart_pointers.rs:177:12 [INFO] [stdout] | [INFO] [stdout] 173 | / impl<'a, T> LimitTracker<'a, T> [INFO] [stdout] 174 | | where [INFO] [stdout] 175 | | T: Messenger, [INFO] [stdout] | |_________________- associated items in this implementation [INFO] [stdout] 176 | { [INFO] [stdout] 177 | pub fn new(messenger: &T, max: usize) -> LimitTracker { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 185 | pub fn set_value(&mut self, value: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List4` is never used [INFO] [stdout] --> src/smart_pointers.rs:274:6 [INFO] [stdout] | [INFO] [stdout] 274 | enum List4 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rc_and_refcell` is never used [INFO] [stdout] --> src/smart_pointers.rs:278:4 [INFO] [stdout] | [INFO] [stdout] 278 | fn rc_and_refcell() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ListCycle` is never used [INFO] [stdout] --> src/smart_pointers.rs:288:6 [INFO] [stdout] | [INFO] [stdout] 288 | enum ListCycle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tail` is never used [INFO] [stdout] --> src/smart_pointers.rs:294:8 [INFO] [stdout] | [INFO] [stdout] 293 | impl ListCycle { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 294 | fn tail(&self) -> Option<&RefCell>> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cycle_demo` is never used [INFO] [stdout] --> src/smart_pointers.rs:302:4 [INFO] [stdout] | [INFO] [stdout] 302 | fn cycle_demo() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/smart_pointers.rs:323:8 [INFO] [stdout] | [INFO] [stdout] 323 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tree_demo` is never used [INFO] [stdout] --> src/smart_pointers.rs:328:4 [INFO] [stdout] | [INFO] [stdout] 328 | fn tree_demo() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node2` is never constructed [INFO] [stdout] --> src/smart_pointers.rs:343:8 [INFO] [stdout] | [INFO] [stdout] 343 | struct Node2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tree_demo02` is never used [INFO] [stdout] --> src/smart_pointers.rs:349:4 [INFO] [stdout] | [INFO] [stdout] 349 | fn tree_demo02() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tree_demo03` is never used [INFO] [stdout] --> src/smart_pointers.rs:367:4 [INFO] [stdout] | [INFO] [stdout] 367 | fn tree_demo03() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MockMessenger` is never constructed [INFO] [stdout] --> src/smart_pointers.rs:232:12 [INFO] [stdout] | [INFO] [stdout] 232 | struct MockMessenger { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/smart_pointers.rs:237:12 [INFO] [stdout] | [INFO] [stdout] 236 | impl MockMessenger { [INFO] [stdout] | ------------------ associated function in this implementation [INFO] [stdout] 237 | fn new() -> MockMessenger { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/trait_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest_i32` is never used [INFO] [stdout] --> src/trait_demo.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn largest_i32(list: &[i32]) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest_char` is never used [INFO] [stdout] --> src/trait_demo.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn largest_char(list: &[char]) -> char { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest_generic` is never used [INFO] [stdout] --> src/trait_demo.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn largest_generic(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/trait_demo.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn demo() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sunmarize` and `sunmarize_author` are never used [INFO] [stdout] --> src/trait_demo.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 99 | pub trait Sunmary { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] 100 | fn sunmarize(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn sunmarize_author(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SimpleText` is never constructed [INFO] [stdout] --> src/trait_demo.rs:108:8 [INFO] [stdout] | [INFO] [stdout] 108 | struct SimpleText {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Text` is never constructed [INFO] [stdout] --> src/trait_demo.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 109 | struct Text {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/trait_demo.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 114 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 118 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NewsArticle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/trait_demo.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 127 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 130 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 131 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sunmarize_author02` and `sunmarize02` are never used [INFO] [stdout] --> src/trait_demo.rs:141:8 [INFO] [stdout] | [INFO] [stdout] 140 | pub trait Sunmary02 { [INFO] [stdout] | --------- methods in this trait [INFO] [stdout] 141 | fn sunmarize_author02(&self) -> String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 142 | fn sunmarize02(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify` is never used [INFO] [stdout] --> src/trait_demo.rs:154:8 [INFO] [stdout] | [INFO] [stdout] 154 | pub fn notify(item: impl Sunmary) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify02` is never used [INFO] [stdout] --> src/trait_demo.rs:158:8 [INFO] [stdout] | [INFO] [stdout] 158 | pub fn notify02(item: T) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify03` is never used [INFO] [stdout] --> src/trait_demo.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 163 | pub fn notify03(item: impl Sunmary + Display) {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify04` is never used [INFO] [stdout] --> src/trait_demo.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn notify04(item: T) {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify05` is never used [INFO] [stdout] --> src/trait_demo.rs:168:8 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn notify05(t: T, u: U) -> u32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify06` is never used [INFO] [stdout] --> src/trait_demo.rs:172:8 [INFO] [stdout] | [INFO] [stdout] 172 | pub fn notify06(t: T, u: U) -> u32 [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_sunmarize` is never used [INFO] [stdout] --> src/trait_demo.rs:180:8 [INFO] [stdout] | [INFO] [stdout] 180 | pub fn get_sunmarize() -> impl Sunmary { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest` is never used [INFO] [stdout] --> src/trait_demo.rs:204:4 [INFO] [stdout] | [INFO] [stdout] 204 | fn largest(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Pair` is never constructed [INFO] [stdout] --> src/trait_demo.rs:214:8 [INFO] [stdout] | [INFO] [stdout] 214 | struct Pair { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/trait_demo.rs:220:8 [INFO] [stdout] | [INFO] [stdout] 219 | impl Pair { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 220 | fn new(x: T, y: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cmd_display` is never used [INFO] [stdout] --> src/trait_demo.rs:226:8 [INFO] [stdout] | [INFO] [stdout] 225 | impl Pair { [INFO] [stdout] | ------------------------------------- method in this implementation [INFO] [stdout] 226 | fn cmd_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest` is never used [INFO] [stdout] --> src/trait_demo.rs:246:4 [INFO] [stdout] | [INFO] [stdout] 246 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_live02` is never used [INFO] [stdout] --> src/trait_demo.rs:265:4 [INFO] [stdout] | [INFO] [stdout] 265 | fn test_live02() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ImportantExcerpt` is never constructed [INFO] [stdout] --> src/trait_demo.rs:287:8 [INFO] [stdout] | [INFO] [stdout] 287 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_live04` is never used [INFO] [stdout] --> src/trait_demo.rs:291:4 [INFO] [stdout] | [INFO] [stdout] 291 | fn test_live04() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word` is never used [INFO] [stdout] --> src/trait_demo.rs:302:4 [INFO] [stdout] | [INFO] [stdout] 302 | fn first_word(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rule_two` is never used [INFO] [stdout] --> src/trait_demo.rs:314:4 [INFO] [stdout] | [INFO] [stdout] 314 | fn rule_two(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `level` and `announce_and_return_part` are never used [INFO] [stdout] --> src/trait_demo.rs:320:8 [INFO] [stdout] | [INFO] [stdout] 319 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] 320 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 323 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_with_an_announcement` is never used [INFO] [stdout] --> src/trait_demo.rs:329:4 [INFO] [stdout] | [INFO] [stdout] 329 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/oop_demo.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/oop_demo/oop.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn test01() {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `list` and `average` are never read [INFO] [stdout] --> src/oop_demo/oop.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct AveragedCollection { [INFO] [stdout] | ------------------ fields in this struct [INFO] [stdout] 11 | list: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | average: f64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AveragedCollection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `add`, `remove`, `average`, and `update_averages` are never used [INFO] [stdout] --> src/oop_demo/oop.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl AveragedCollection { [INFO] [stdout] | ----------------------- methods in this implementation [INFO] [stdout] 16 | pub fn add(&mut self, value: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn remove(&mut self) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn average(&self) -> f64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn update_averages(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Screen02` is never constructed [INFO] [stdout] --> src/oop_demo/oop.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub struct Screen02 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `run` is never used [INFO] [stdout] --> src/oop_demo/oop.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 68 | / impl Screen02 [INFO] [stdout] 69 | | where T: Draw { [INFO] [stdout] | |_________________- method in this implementation [INFO] [stdout] 70 | pub fn run(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, and `label` are never read [INFO] [stdout] --> src/oop_demo/oop.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 82 | pub struct Button { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 83 | pub width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 84 | pub height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 85 | pub label: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Button` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, and `options` are never read [INFO] [stdout] --> src/oop_demo/oop.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 96 | pub struct SelectBox { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 97 | pub width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 98 | pub height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 99 | pub options: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SelectBox` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Functions` should have a snake case name [INFO] [stdout] --> src/comm_concepts.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn Functions() {} [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `functions` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `references_and_Bborrowing01` should have a snake case name [INFO] [stdout] --> src/ref_and_borrow.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn references_and_Bborrowing01() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `references_and_bborrowing01` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `changeMut` should have a snake case name [INFO] [stdout] --> src/ref_and_borrow.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn changeMut(s: &mut String) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `change_mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/smart_pointers.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 118 | let b = CustomSmartPointer { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/smart_pointers.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | let b = List2::Cons(3, Box::new(a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/smart_pointers.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | let b = List3::Cons(3, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/smart_pointers.rs:151:13 [INFO] [stdout] | [INFO] [stdout] 151 | let c = List3::Cons(4, Rc::clone(&a)); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 232 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/trait_demo.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | let s: &'static str = "I have a rustcc"; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/trait_demo.rs:163:17 [INFO] [stdout] | [INFO] [stdout] 163 | pub fn notify03(item: impl Sunmary + Display) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `item` [INFO] [stdout] --> src/trait_demo.rs:166:39 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn notify04(item: T) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_item` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/trait_demo.rs:168:57 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn notify05(t: T, u: U) -> u32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/trait_demo.rs:168:63 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn notify05(t: T, u: U) -> u32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/trait_demo.rs:172:23 [INFO] [stdout] | [INFO] [stdout] 172 | pub fn notify06(t: T, u: U) -> u32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/trait_demo.rs:172:29 [INFO] [stdout] | [INFO] [stdout] 172 | pub fn notify06(t: T, u: U) -> u32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/comm_concepts.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test02` is never used [INFO] [stdout] --> src/comm_concepts.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn test02() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MY_CONSTANTS` is never used [INFO] [stdout] --> src/comm_concepts.rs:20:7 [INFO] [stdout] | [INFO] [stdout] 20 | const MY_CONSTANTS: u32 = 60 * 60 * 3; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test03` is never used [INFO] [stdout] --> src/comm_concepts.rs:22:8 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn test03() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shadowing` is never used [INFO] [stdout] --> src/comm_concepts.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn shadowing() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shadowing02` is never used [INFO] [stdout] --> src/comm_concepts.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn shadowing02() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `data_type` is never used [INFO] [stdout] --> src/comm_concepts.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 55 | pub fn data_type() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Functions` is never used [INFO] [stdout] --> src/comm_concepts.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn Functions() {} [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fun_test01` is never used [INFO] [stdout] --> src/comm_concepts.rs:86:4 [INFO] [stdout] | [INFO] [stdout] 86 | fn fun_test01() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/control_flow.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddrKind` is never used [INFO] [stdout] --> src/enums.rs:2:6 [INFO] [stdout] | [INFO] [stdout] 2 | enum IpAddrKind { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IpAddr` is never constructed [INFO] [stdout] --> src/enums.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct IpAddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddrInfo` is never used [INFO] [stdout] --> src/enums.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum IpAddrInfo { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddr3` is never used [INFO] [stdout] --> src/enums.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 19 | enum IpAddr3 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ipv4Addr` is never constructed [INFO] [stdout] --> src/enums.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | struct Ipv4Addr {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Ipv6Addr` is never constructed [INFO] [stdout] --> src/enums.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | struct Ipv6Addr {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAdd4` is never used [INFO] [stdout] --> src/enums.rs:27:6 [INFO] [stdout] | [INFO] [stdout] 27 | enum IpAdd4 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Message` is never used [INFO] [stdout] --> src/enums.rs:32:6 [INFO] [stdout] | [INFO] [stdout] 32 | enum Message { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `call` is never used [INFO] [stdout] --> src/enums.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl Message { [INFO] [stdout] | ------------ method in this implementation [INFO] [stdout] 39 | fn call(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `enums01` is never used [INFO] [stdout] --> src/enums.rs:44:8 [INFO] [stdout] | [INFO] [stdout] 44 | pub fn enums01() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `route` is never used [INFO] [stdout] --> src/enums.rs:87:4 [INFO] [stdout] | [INFO] [stdout] 87 | fn route(ip_type: IpAddrKind) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Coin` is never used [INFO] [stdout] --> src/enums.rs:91:6 [INFO] [stdout] | [INFO] [stdout] 91 | enum Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `value_in_cents` is never used [INFO] [stdout] --> src/enums.rs:98:4 [INFO] [stdout] | [INFO] [stdout] 98 | fn value_in_cents(coin: Coin) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `value_in_cents02` is never used [INFO] [stdout] --> src/enums.rs:106:4 [INFO] [stdout] | [INFO] [stdout] 106 | fn value_in_cents02(coin: Coin) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `UsState` is never used [INFO] [stdout] --> src/enums.rs:119:6 [INFO] [stdout] | [INFO] [stdout] 119 | enum UsState { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Coin02` is never used [INFO] [stdout] --> src/enums.rs:123:6 [INFO] [stdout] | [INFO] [stdout] 123 | enum Coin02 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `value_in_cents03` is never used [INFO] [stdout] --> src/enums.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn value_in_cents03(coin: Coin02) -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/enums.rs:142:4 [INFO] [stdout] | [INFO] [stdout] 142 | fn plus_one(x: Option) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game01` is never used [INFO] [stdout] --> src/guess_game.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn guess_game01() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game_random01` is never used [INFO] [stdout] --> src/guess_game.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn guess_game_random01() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game_random02` is never used [INFO] [stdout] --> src/guess_game.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn guess_game_random02() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game_random03` is never used [INFO] [stdout] --> src/guess_game.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn guess_game_random03() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `UsState` is never used [INFO] [stdout] --> src/match_flow.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/match_flow.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | enum Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `match01` is never used [INFO] [stdout] --> src/match_flow.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn match01() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_fancy_hat` is never used [INFO] [stdout] --> src/match_flow.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn add_fancy_hat() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remove_fancy_hat` is never used [INFO] [stdout] --> src/match_flow.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn remove_fancy_hat() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `move_player` is never used [INFO] [stdout] --> src/match_flow.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn move_player(num_spaces: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `reroll` is never used [INFO] [stdout] --> src/match_flow.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn reroll() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ownership01` is never used [INFO] [stdout] --> src/ownership.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn ownership01() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takes_ownership` is never used [INFO] [stdout] --> src/ownership.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn takes_ownership(s: String) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `makes_copy` is never used [INFO] [stdout] --> src/ownership.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn makes_copy(i: u32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `give_ownership` is never used [INFO] [stdout] --> src/ownership.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn give_ownership() -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `token_give_ownership` is never used [INFO] [stdout] --> src/ownership.rs:62:4 [INFO] [stdout] | [INFO] [stdout] 62 | fn token_give_ownership(s: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `references_and_Bborrowing01` is never used [INFO] [stdout] --> src/ref_and_borrow.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn references_and_Bborrowing01() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `calculate_len` is never used [INFO] [stdout] --> src/ref_and_borrow.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn calculate_len(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `changeMut` is never used [INFO] [stdout] --> src/ref_and_borrow.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn changeMut(s: &mut String) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `no_dangle` is never used [INFO] [stdout] --> src/ref_and_borrow.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn no_dangle() -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `slice01` is never used [INFO] [stdout] --> src/slice.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn slice01() { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word` is never used [INFO] [stdout] --> src/slice.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn first_word(s: &String) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word02` is never used [INFO] [stdout] --> src/slice.rs:37:4 [INFO] [stdout] | [INFO] [stdout] 37 | fn first_word02(s: &String) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `frist_word03` is never used [INFO] [stdout] --> src/slice.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn frist_word03(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `User` is never constructed [INFO] [stdout] --> src/structure.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | struct User { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Color` is never constructed [INFO] [stdout] --> src/structure.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct Color(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/structure.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | struct Point(i32, i32, i32); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NoField` is never constructed [INFO] [stdout] --> src/structure.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | struct NoField; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `struct01` is never used [INFO] [stdout] --> src/structure.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn struct01() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_user` is never used [INFO] [stdout] --> src/structure.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn build_user(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `build_user02` is never used [INFO] [stdout] --> src/structure.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn build_user02(email: String, username: String) -> User { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `user_sturct` is never used [INFO] [stdout] --> src/structure.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn user_sturct() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Rectangle` is never constructed [INFO] [stdout] --> src/structure.rs:125:8 [INFO] [stdout] | [INFO] [stdout] 125 | struct Rectangle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `area`, `width`, `can_hold`, and `square` are never used [INFO] [stdout] --> src/structure.rs:131:8 [INFO] [stdout] | [INFO] [stdout] 130 | impl Rectangle { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 131 | fn area(&self) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | fn width(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 137 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 141 | fn square(size: u32) -> Rectangle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `area` is never used [INFO] [stdout] --> src/structure.rs:149:4 [INFO] [stdout] | [INFO] [stdout] 149 | fn area(w: u32, h: u32) -> u32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `area02` is never used [INFO] [stdout] --> src/structure.rs:153:4 [INFO] [stdout] | [INFO] [stdout] 153 | fn area02(dimensions: (u32, u32)) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `area03` is never used [INFO] [stdout] --> src/structure.rs:157:4 [INFO] [stdout] | [INFO] [stdout] 157 | fn area03(r: Rectangle) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `vector01` is never used [INFO] [stdout] --> src/collections.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn vector01() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `SpreadsheetCell` is never used [INFO] [stdout] --> src/collections.rs:143:6 [INFO] [stdout] | [INFO] [stdout] 143 | enum SpreadsheetCell { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/error_handle.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `call_panic` is never used [INFO] [stdout] --> src/error_handle.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn call_panic() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `call_pannic02` is never used [INFO] [stdout] --> src/error_handle.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn call_pannic02() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `open_file01` is never used [INFO] [stdout] --> src/error_handle.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn open_file01() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `open_file02` is never used [INFO] [stdout] --> src/error_handle.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn open_file02() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `open_file_panic` is never used [INFO] [stdout] --> src/error_handle.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn open_file_panic() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `open_file_panic02` is never used [INFO] [stdout] --> src/error_handle.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn open_file_panic02() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file` is never used [INFO] [stdout] --> src/error_handle.rs:64:4 [INFO] [stdout] | [INFO] [stdout] 64 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file02` is never used [INFO] [stdout] --> src/error_handle.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn read_username_from_file02() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_username_from_file03` is never used [INFO] [stdout] --> src/error_handle.rs:87:4 [INFO] [stdout] | [INFO] [stdout] 87 | fn read_username_from_file03() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/generic_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn demo() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test02` is never used [INFO] [stdout] --> src/generic_demo.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn test02() -> Vec { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest03` is never used [INFO] [stdout] --> src/generic_demo.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn largest03(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point` is never constructed [INFO] [stdout] --> src/generic_demo.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | struct Point { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `x` and `y` are never used [INFO] [stdout] --> src/generic_demo.rs:46:8 [INFO] [stdout] | [INFO] [stdout] 45 | impl Point { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] 46 | fn x(&self) -> &T { [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 49 | fn y(&self) -> &T { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `distance_from_origin` is never used [INFO] [stdout] --> src/generic_demo.rs:55:8 [INFO] [stdout] | [INFO] [stdout] 54 | impl Point { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] 55 | fn distance_from_origin(&self) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Point2` is never constructed [INFO] [stdout] --> src/generic_demo.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | struct Point2 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `mixup` is never used [INFO] [stdout] --> src/generic_demo.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 66 | impl Point2 { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] 67 | fn mixup(self, other: Point2) -> Point2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `closures_demo` is never used [INFO] [stdout] --> src/closures.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn closures_demo() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simulated_expensive_calculation` is never used [INFO] [stdout] --> src/closures.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn simulated_expensive_calculation(intensity: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout` is never used [INFO] [stdout] --> src/closures.rs:21:4 [INFO] [stdout] | [INFO] [stdout] 21 | fn generate_workout(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout02` is never used [INFO] [stdout] --> src/closures.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn generate_workout02(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout03` is never used [INFO] [stdout] --> src/closures.rs:59:4 [INFO] [stdout] | [INFO] [stdout] 59 | fn generate_workout03(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `generate_workout04` is never used [INFO] [stdout] --> src/closures.rs:78:4 [INFO] [stdout] | [INFO] [stdout] 78 | fn generate_workout04(intensity: u32, random_number: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Cacher` is never constructed [INFO] [stdout] --> src/closures.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 100 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/closures.rs:112:8 [INFO] [stdout] | [INFO] [stdout] 108 | / impl Cacher [INFO] [stdout] 109 | | where [INFO] [stdout] 110 | | T: Fn(u32) -> u32, [INFO] [stdout] | |______________________- associated items in this implementation [INFO] [stdout] 111 | { [INFO] [stdout] 112 | fn new(calculate: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/fearless_concurrency.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn demo() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `spawn_demo` is never used [INFO] [stdout] --> src/fearless_concurrency.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn spawn_demo() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `move_demo02` is never used [INFO] [stdout] --> src/fearless_concurrency.rs:36:4 [INFO] [stdout] | [INFO] [stdout] 36 | fn move_demo02() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `channel_demo` is never used [INFO] [stdout] --> src/fearless_concurrency.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn channel_demo() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `iterators_demo` is never used [INFO] [stdout] --> src/iterators.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn iterators_demo() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/iterators.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test02` is never used [INFO] [stdout] --> src/iterators.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn test02() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test03` is never used [INFO] [stdout] --> src/iterators.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn test03() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test04` is never used [INFO] [stdout] --> src/iterators.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn test04() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/minigrep.rs:6:8 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn demo() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/minigrep.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test02` is never used [INFO] [stdout] --> src/minigrep.rs:15:4 [INFO] [stdout] | [INFO] [stdout] 15 | fn test02() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test03` is never used [INFO] [stdout] --> src/minigrep.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn test03() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test04` is never used [INFO] [stdout] --> src/minigrep.rs:46:4 [INFO] [stdout] | [INFO] [stdout] 46 | fn test04() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Config` is never constructed [INFO] [stdout] --> src/minigrep.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | struct Config { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `new02`, and `run` are never used [INFO] [stdout] --> src/minigrep.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 63 | impl Config { [INFO] [stdout] | ----------- associated items in this implementation [INFO] [stdout] 64 | pub fn new(args: &[String]) -> Result { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 77 | pub fn new02(mut args: std::env::Args) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | pub fn run(&self) -> Result<(), Box> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search` is never used [INFO] [stdout] --> src/minigrep.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 109 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search_case_insenitive` is never used [INFO] [stdout] --> src/minigrep.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | pub fn search_case_insenitive<'a>(query: &str, contents: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `search_case_insenitive02` is never used [INFO] [stdout] --> src/minigrep.rs:133:8 [INFO] [stdout] | [INFO] [stdout] 133 | pub fn search_case_insenitive02<'a>(query: &str, cotents: &'a str) -> Vec<&'a str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List` is never used [INFO] [stdout] --> src/smart_pointers.rs:13:6 [INFO] [stdout] | [INFO] [stdout] 13 | enum List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/smart_pointers.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn demo() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `box_demo01` is never used [INFO] [stdout] --> src/smart_pointers.rs:34:4 [INFO] [stdout] | [INFO] [stdout] 34 | fn box_demo01() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `box_demo03` is never used [INFO] [stdout] --> src/smart_pointers.rs:43:4 [INFO] [stdout] | [INFO] [stdout] 43 | fn box_demo03() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `deref_demo01` is never used [INFO] [stdout] --> src/smart_pointers.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn deref_demo01() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `deref_demo02` is never used [INFO] [stdout] --> src/smart_pointers.rs:58:4 [INFO] [stdout] | [INFO] [stdout] 58 | fn deref_demo02() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyBox` is never constructed [INFO] [stdout] --> src/smart_pointers.rs:66:8 [INFO] [stdout] | [INFO] [stdout] 66 | struct MyBox(T); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/smart_pointers.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 68 | impl MyBox { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 69 | fn new(x: T) -> MyBox { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mybox_demo` is never used [INFO] [stdout] --> src/smart_pointers.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn mybox_demo() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `hello` is never used [INFO] [stdout] --> src/smart_pointers.rs:93:4 [INFO] [stdout] | [INFO] [stdout] 93 | fn hello(name: &str) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CustomSmartPointer` is never constructed [INFO] [stdout] --> src/smart_pointers.rs:98:8 [INFO] [stdout] | [INFO] [stdout] 98 | struct CustomSmartPointer { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `drop_demo` is never used [INFO] [stdout] --> src/smart_pointers.rs:109:4 [INFO] [stdout] | [INFO] [stdout] 109 | fn drop_demo() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List2` is never used [INFO] [stdout] --> src/smart_pointers.rs:125:6 [INFO] [stdout] | [INFO] [stdout] 125 | enum List2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rc_demo01` is never used [INFO] [stdout] --> src/smart_pointers.rs:129:4 [INFO] [stdout] | [INFO] [stdout] 129 | fn rc_demo01() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List3` is never used [INFO] [stdout] --> src/smart_pointers.rs:137:6 [INFO] [stdout] | [INFO] [stdout] 137 | enum List3 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rc_demo02` is never used [INFO] [stdout] --> src/smart_pointers.rs:142:4 [INFO] [stdout] | [INFO] [stdout] 142 | fn rc_demo02() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `List4` is never used [INFO] [stdout] --> src/smart_pointers.rs:274:6 [INFO] [stdout] | [INFO] [stdout] 274 | enum List4 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rc_and_refcell` is never used [INFO] [stdout] --> src/smart_pointers.rs:278:4 [INFO] [stdout] | [INFO] [stdout] 278 | fn rc_and_refcell() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `ListCycle` is never used [INFO] [stdout] --> src/smart_pointers.rs:288:6 [INFO] [stdout] | [INFO] [stdout] 288 | enum ListCycle { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `tail` is never used [INFO] [stdout] --> src/smart_pointers.rs:294:8 [INFO] [stdout] | [INFO] [stdout] 293 | impl ListCycle { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 294 | fn tail(&self) -> Option<&RefCell>> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cycle_demo` is never used [INFO] [stdout] --> src/smart_pointers.rs:302:4 [INFO] [stdout] | [INFO] [stdout] 302 | fn cycle_demo() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/smart_pointers.rs:323:8 [INFO] [stdout] | [INFO] [stdout] 323 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tree_demo` is never used [INFO] [stdout] --> src/smart_pointers.rs:328:4 [INFO] [stdout] | [INFO] [stdout] 328 | fn tree_demo() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node2` is never constructed [INFO] [stdout] --> src/smart_pointers.rs:343:8 [INFO] [stdout] | [INFO] [stdout] 343 | struct Node2 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tree_demo02` is never used [INFO] [stdout] --> src/smart_pointers.rs:349:4 [INFO] [stdout] | [INFO] [stdout] 349 | fn tree_demo02() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `tree_demo03` is never used [INFO] [stdout] --> src/smart_pointers.rs:367:4 [INFO] [stdout] | [INFO] [stdout] 367 | fn tree_demo03() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/trait_demo.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest_i32` is never used [INFO] [stdout] --> src/trait_demo.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn largest_i32(list: &[i32]) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest_char` is never used [INFO] [stdout] --> src/trait_demo.rs:30:4 [INFO] [stdout] | [INFO] [stdout] 30 | fn largest_char(list: &[char]) -> char { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest_generic` is never used [INFO] [stdout] --> src/trait_demo.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn largest_generic(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `demo` is never used [INFO] [stdout] --> src/trait_demo.rs:52:8 [INFO] [stdout] | [INFO] [stdout] 52 | pub fn demo() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sunmarize` and `sunmarize_author` are never used [INFO] [stdout] --> src/trait_demo.rs:100:8 [INFO] [stdout] | [INFO] [stdout] 99 | pub trait Sunmary { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] 100 | fn sunmarize(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn sunmarize_author(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SimpleText` is never constructed [INFO] [stdout] --> src/trait_demo.rs:108:8 [INFO] [stdout] | [INFO] [stdout] 108 | struct SimpleText {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Text` is never constructed [INFO] [stdout] --> src/trait_demo.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 109 | struct Text {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `content` is never read [INFO] [stdout] --> src/trait_demo.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 114 | pub struct NewsArticle { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 118 | pub content: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NewsArticle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `reply` and `retweet` are never read [INFO] [stdout] --> src/trait_demo.rs:130:9 [INFO] [stdout] | [INFO] [stdout] 127 | pub struct Tweet { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 130 | pub reply: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 131 | pub retweet: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sunmarize_author02` and `sunmarize02` are never used [INFO] [stdout] --> src/trait_demo.rs:141:8 [INFO] [stdout] | [INFO] [stdout] 140 | pub trait Sunmary02 { [INFO] [stdout] | --------- methods in this trait [INFO] [stdout] 141 | fn sunmarize_author02(&self) -> String; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 142 | fn sunmarize02(&self) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify` is never used [INFO] [stdout] --> src/trait_demo.rs:154:8 [INFO] [stdout] | [INFO] [stdout] 154 | pub fn notify(item: impl Sunmary) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify02` is never used [INFO] [stdout] --> src/trait_demo.rs:158:8 [INFO] [stdout] | [INFO] [stdout] 158 | pub fn notify02(item: T) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify03` is never used [INFO] [stdout] --> src/trait_demo.rs:163:8 [INFO] [stdout] | [INFO] [stdout] 163 | pub fn notify03(item: impl Sunmary + Display) {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify04` is never used [INFO] [stdout] --> src/trait_demo.rs:166:8 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn notify04(item: T) {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify05` is never used [INFO] [stdout] --> src/trait_demo.rs:168:8 [INFO] [stdout] | [INFO] [stdout] 168 | pub fn notify05(t: T, u: U) -> u32 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notify06` is never used [INFO] [stdout] --> src/trait_demo.rs:172:8 [INFO] [stdout] | [INFO] [stdout] 172 | pub fn notify06(t: T, u: U) -> u32 [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_sunmarize` is never used [INFO] [stdout] --> src/trait_demo.rs:180:8 [INFO] [stdout] | [INFO] [stdout] 180 | pub fn get_sunmarize() -> impl Sunmary { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `largest` is never used [INFO] [stdout] --> src/trait_demo.rs:204:4 [INFO] [stdout] | [INFO] [stdout] 204 | fn largest(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Pair` is never constructed [INFO] [stdout] --> src/trait_demo.rs:214:8 [INFO] [stdout] | [INFO] [stdout] 214 | struct Pair { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/trait_demo.rs:220:8 [INFO] [stdout] | [INFO] [stdout] 219 | impl Pair { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 220 | fn new(x: T, y: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cmd_display` is never used [INFO] [stdout] --> src/trait_demo.rs:226:8 [INFO] [stdout] | [INFO] [stdout] 225 | impl Pair { [INFO] [stdout] | ------------------------------------- method in this implementation [INFO] [stdout] 226 | fn cmd_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest` is never used [INFO] [stdout] --> src/trait_demo.rs:246:4 [INFO] [stdout] | [INFO] [stdout] 246 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_live02` is never used [INFO] [stdout] --> src/trait_demo.rs:265:4 [INFO] [stdout] | [INFO] [stdout] 265 | fn test_live02() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ImportantExcerpt` is never constructed [INFO] [stdout] --> src/trait_demo.rs:287:8 [INFO] [stdout] | [INFO] [stdout] 287 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_live04` is never used [INFO] [stdout] --> src/trait_demo.rs:291:4 [INFO] [stdout] | [INFO] [stdout] 291 | fn test_live04() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word` is never used [INFO] [stdout] --> src/trait_demo.rs:302:4 [INFO] [stdout] | [INFO] [stdout] 302 | fn first_word(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rule_two` is never used [INFO] [stdout] --> src/trait_demo.rs:314:4 [INFO] [stdout] | [INFO] [stdout] 314 | fn rule_two(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `level` and `announce_and_return_part` are never used [INFO] [stdout] --> src/trait_demo.rs:320:8 [INFO] [stdout] | [INFO] [stdout] 319 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] 320 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 323 | fn announce_and_return_part(&self, announcement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_with_an_announcement` is never used [INFO] [stdout] --> src/trait_demo.rs:329:4 [INFO] [stdout] | [INFO] [stdout] 329 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/oop_demo.rs:13:4 [INFO] [stdout] | [INFO] [stdout] 13 | fn test01() { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test01` is never used [INFO] [stdout] --> src/oop_demo/oop.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn test01() {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `list` and `average` are never read [INFO] [stdout] --> src/oop_demo/oop.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct AveragedCollection { [INFO] [stdout] | ------------------ fields in this struct [INFO] [stdout] 11 | list: Vec, [INFO] [stdout] | ^^^^ [INFO] [stdout] 12 | average: f64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `AveragedCollection` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `add`, `remove`, `average`, and `update_averages` are never used [INFO] [stdout] --> src/oop_demo/oop.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl AveragedCollection { [INFO] [stdout] | ----------------------- methods in this implementation [INFO] [stdout] 16 | pub fn add(&mut self, value: i32) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn remove(&mut self) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | pub fn average(&self) -> f64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | fn update_averages(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Screen02` is never constructed [INFO] [stdout] --> src/oop_demo/oop.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 64 | pub struct Screen02 { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `run` is never used [INFO] [stdout] --> src/oop_demo/oop.rs:70:12 [INFO] [stdout] | [INFO] [stdout] 68 | / impl Screen02 [INFO] [stdout] 69 | | where T: Draw { [INFO] [stdout] | |_________________- method in this implementation [INFO] [stdout] 70 | pub fn run(&self) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, and `label` are never read [INFO] [stdout] --> src/oop_demo/oop.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 82 | pub struct Button { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 83 | pub width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 84 | pub height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 85 | pub label: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Button` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `width`, `height`, and `options` are never read [INFO] [stdout] --> src/oop_demo/oop.rs:97:9 [INFO] [stdout] | [INFO] [stdout] 96 | pub struct SelectBox { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 97 | pub width: u32, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 98 | pub height: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 99 | pub options: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SelectBox` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `Functions` should have a snake case name [INFO] [stdout] --> src/comm_concepts.rs:84:8 [INFO] [stdout] | [INFO] [stdout] 84 | pub fn Functions() {} [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `functions` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `references_and_Bborrowing01` should have a snake case name [INFO] [stdout] --> src/ref_and_borrow.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn references_and_Bborrowing01() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `references_and_bborrowing01` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `changeMut` should have a snake case name [INFO] [stdout] --> src/ref_and_borrow.rs:56:4 [INFO] [stdout] | [INFO] [stdout] 56 | fn changeMut(s: &mut String) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `change_mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 223 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.73s [INFO] running `Command { std: "docker" "inspect" "49438cd1dc25d644e56d3b149f1a73bb800ceaeae5bd337a52b8670d14464e9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "49438cd1dc25d644e56d3b149f1a73bb800ceaeae5bd337a52b8670d14464e9f", kill_on_drop: false }` [INFO] [stdout] 49438cd1dc25d644e56d3b149f1a73bb800ceaeae5bd337a52b8670d14464e9f