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"/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ef3524e208fb0cb12a93c3d768410da2aa9f80398cb385c9beea27e0a98fc61 [INFO] running `Command { std: "docker" "start" "-a" 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"RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac40b8f8c4624344899d709b0c172eb9ba0cc1ab3f95667158ef359884cd996d [INFO] running `Command { std: "docker" "start" "-a" "ac40b8f8c4624344899d709b0c172eb9ba0cc1ab3f95667158ef359884cd996d", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking book v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/bin/ch7_modules/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch2_guessing_game.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch9_error_handling.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch5_structs.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch13_functional_language_features/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch8_common_collections.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch3_common_concepts.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch1_hello_world.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch10_types_traits_lifetimes.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch6_enums_pattern_matching.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch4_ownership.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch12_building_a_cli_tool/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/bin/ch11_automated_tests.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/bin/ch7_modules/main.rs (6 fixes) [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/ch9_error_handling.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | panic!(); [INFO] [stdout] | --------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 13 | panic!("I blame Jim for this error."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `panic` [INFO] [stdout] --> src/bin/ch9_error_handling.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn panic() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_a_result_simpler` [INFO] [stdout] --> src/bin/ch9_error_handling.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn return_a_result_simpler() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ice_cream` should have an upper camel case name [INFO] [stdout] --> src/bin/ch7_modules/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | ice_cream, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `IceCream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `cake` should have an upper camel case name [INFO] [stdout] --> src/bin/ch7_modules/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | cake, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cake` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_to_waitlist` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | fn add_to_waitlist() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `seat_at_table` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | fn seat_at_table() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_order` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | fn take_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `serve_order` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | fn serve_order() {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_payment` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | fn take_payment() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | fn open() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open1` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn open1() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open2` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn open2() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unzip` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | fn unzip() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `secret_toast` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | secret_toast: String, // unaccessible [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Appetizer` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | pub enum Appetizer { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Dessert` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:84:10 [INFO] [stdout] | [INFO] [stdout] 84 | enum Dessert { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `start` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:93:16 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn start() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `stop` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 94 | fn stop() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `drive` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:102:4 [INFO] [stdout] | [INFO] [stdout] 102 | fn drive() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `placeholder` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:113:4 [INFO] [stdout] | [INFO] [stdout] 113 | fn placeholder() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `treasure` [INFO] [stdout] --> src/bin/ch7_modules/some_file.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn treasure() {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_treasure` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn get_treasure() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `treasure` [INFO] [stdout] --> src/bin/ch7_modules/some_folder/mod.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn treasure() {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_treasure_again` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:138:4 [INFO] [stdout] | [INFO] [stdout] 138 | fn get_treasure_again() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed src/bin/ch5_structs.rs (4 fixes) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/ch5_structs.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | struct Animal {}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed src/bin/ch13_functional_language_features/iterators.rs (2 fixes) [INFO] [stderr] Fixed src/bin/ch13_functional_language_features/closures.rs (5 fixes) [INFO] [stderr] Fixed src/bin/ch8_common_collections.rs (20 fixes) [INFO] [stderr] Fixed src/bin/ch3_common_concepts.rs (7 fixes) [INFO] [stderr] Fixed src/bin/ch4_ownership.rs (6 fixes) [INFO] [stdout] warning: function `takeLiteral` should have a snake case name [INFO] [stdout] --> src/bin/ch4_ownership.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn takeLiteral(_text: &str) {} [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `take_literal` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed src/bin/ch10_types_traits_lifetimes.rs (8 fixes) [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | y: U, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Option` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | enum Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Result` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 39 | enum Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify2` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 107 | fn notify2(item1: T, item2: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:112:8 [INFO] [stdout] | [INFO] [stdout] 112 | fn some_function(_t: T, _u: U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify3` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn notify3(_item: impl Summary + Display) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 124 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `simpleReturn` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn simpleReturn<'a>(x: &'a str, _y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_word` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 167 | fn some_word(_s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `some_number` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:178:12 [INFO] [stdout] | [INFO] [stdout] 178 | fn some_number(&self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `alert` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:182:12 [INFO] [stdout] | [INFO] [stdout] 182 | fn alert(&self, text: &str) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_mixedNums` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let _mixedNums = MorePoints { x: 5.23, y: 10 }; // x & y can be different values now [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `_mixed_nums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `simpleRef` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | fn simpleRef(&self) -> &T { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `simple_ref` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `wholeNums` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | fn wholeNums(&self) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `whole_nums` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simpleReturn` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn simpleReturn<'a>(x: &'a str, _y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `simple_return` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed src/bin/ch6_enums_pattern_matching.rs (9 fixes) [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:166:13 [INFO] [stdout] | [INFO] [stdout] 166 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V7` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | V7(u8, u8, u8, u8), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Ipv4Addr` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | struct Ipv4Addr { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Ipv6Addr` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | struct Ipv6Addr { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddrress` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | enum IpAddrress { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ChangeColor` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HayPenny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | HayPenny, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:154:9 [INFO] [stdout] | [INFO] [stdout] 154 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 159 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 160 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_loopBack` should have a snake case name [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let _loopBack = IpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `_loop_back` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:166:13 [INFO] [stdout] | [INFO] [stdout] 166 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V7` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | V7(u8, u8, u8, u8), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Ipv4Addr` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | struct Ipv4Addr { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Ipv6Addr` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | struct Ipv6Addr { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddrress` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | enum IpAddrress { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ChangeColor` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HayPenny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | HayPenny, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:154:9 [INFO] [stdout] | [INFO] [stdout] 154 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 159 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 160 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_loopBack` should have a snake case name [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let _loopBack = IpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `_loop_back` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | y: U, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Option` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | enum Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Result` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 39 | enum Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify2` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 107 | fn notify2(item1: T, item2: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:112:8 [INFO] [stdout] | [INFO] [stdout] 112 | fn some_function(_t: T, _u: U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify3` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn notify3(_item: impl Summary + Display) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 124 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `simpleReturn` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn simpleReturn<'a>(x: &'a str, _y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_word` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 167 | fn some_word(_s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `some_number` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:178:12 [INFO] [stdout] | [INFO] [stdout] 178 | fn some_number(&self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `alert` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:182:12 [INFO] [stdout] | [INFO] [stdout] 182 | fn alert(&self, text: &str) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_mixedNums` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let _mixedNums = MorePoints { x: 5.23, y: 10 }; // x & y can be different values now [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `_mixed_nums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `simpleRef` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | fn simpleRef(&self) -> &T { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `simple_ref` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `wholeNums` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | fn wholeNums(&self) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `whole_nums` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simpleReturn` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn simpleReturn<'a>(x: &'a str, _y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `simple_return` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/ch5_structs.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | struct Animal {}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sign_in_count` [INFO] [stdout] --> src/bin/ch5_structs.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> src/bin/ch5_structs.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | active: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Animal` [INFO] [stdout] --> src/bin/ch5_structs.rs:69:12 [INFO] [stdout] | [INFO] [stdout] 69 | struct Animal {}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `nothing_much` [INFO] [stdout] --> src/bin/ch5_structs.rs:151:12 [INFO] [stdout] | [INFO] [stdout] 151 | fn nothing_much(&self) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ice_cream` should have an upper camel case name [INFO] [stdout] --> src/bin/ch7_modules/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | ice_cream, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `IceCream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `cake` should have an upper camel case name [INFO] [stdout] --> src/bin/ch7_modules/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | cake, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cake` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_to_waitlist` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | fn add_to_waitlist() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `seat_at_table` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | fn seat_at_table() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_order` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | fn take_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `serve_order` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | fn serve_order() {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_payment` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | fn take_payment() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | fn open() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open1` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn open1() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open2` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn open2() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unzip` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | fn unzip() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `secret_toast` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | secret_toast: String, // unaccessible [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Appetizer` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | pub enum Appetizer { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Dessert` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:84:10 [INFO] [stdout] | [INFO] [stdout] 84 | enum Dessert { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `start` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:93:16 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn start() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `stop` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 94 | fn stop() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `drive` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:102:4 [INFO] [stdout] | [INFO] [stdout] 102 | fn drive() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `placeholder` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:113:4 [INFO] [stdout] | [INFO] [stdout] 113 | fn placeholder() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `treasure` [INFO] [stdout] --> src/bin/ch7_modules/some_file.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn treasure() {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_treasure` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn get_treasure() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `treasure` [INFO] [stdout] --> src/bin/ch7_modules/some_folder/mod.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn treasure() {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_treasure_again` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:138:4 [INFO] [stdout] | [INFO] [stdout] 138 | fn get_treasure_again() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/ch9_error_handling.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | panic!(); [INFO] [stdout] | --------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 13 | panic!("I blame Jim for this error."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `panic` [INFO] [stdout] --> src/bin/ch9_error_handling.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn panic() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_a_result_simpler` [INFO] [stdout] --> src/bin/ch9_error_handling.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn return_a_result_simpler() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takeLiteral` should have a snake case name [INFO] [stdout] --> src/bin/ch4_ownership.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn takeLiteral(_text: &str) {} [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `take_literal` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_even` [INFO] [stdout] --> src/bin/ch11_automated_tests.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn test_even(x: i32, y: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.53s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Checking book v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: function is never used: `test_even` [INFO] [stdout] --> src/bin/ch11_automated_tests.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn test_even(x: i32, y: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:166:13 [INFO] [stdout] | [INFO] [stdout] 166 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V7` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | V7(u8, u8, u8, u8), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Ipv4Addr` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | struct Ipv4Addr { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Ipv6Addr` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | struct Ipv6Addr { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddrress` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | enum IpAddrress { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ChangeColor` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HayPenny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | HayPenny, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:154:9 [INFO] [stdout] | [INFO] [stdout] 154 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 159 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 160 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_loopBack` should have a snake case name [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let _loopBack = IpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `_loop_back` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/ch5_structs.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | struct Animal {}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:166:13 [INFO] [stdout] | [INFO] [stdout] 166 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V7` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:30:9 [INFO] [stdout] | [INFO] [stdout] 30 | V7(u8, u8, u8, u8), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Ipv4Addr` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | struct Ipv4Addr { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Ipv6Addr` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | struct Ipv6Addr { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddrress` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:45:10 [INFO] [stdout] | [INFO] [stdout] 45 | enum IpAddrress { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Quit` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | Quit, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Move` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 54 | Move { x: i32, y: i32 }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `ChangeColor` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | ChangeColor(i32, i32, i32), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `HayPenny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | HayPenny, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:112:9 [INFO] [stdout] | [INFO] [stdout] 112 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ice_cream` should have an upper camel case name [INFO] [stdout] --> src/bin/ch7_modules/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | ice_cream, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `IceCream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `cake` should have an upper camel case name [INFO] [stdout] --> src/bin/ch7_modules/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | cake, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cake` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:113:9 [INFO] [stdout] | [INFO] [stdout] 113 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Alaska` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:154:9 [INFO] [stdout] | [INFO] [stdout] 154 | Alaska, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:158:9 [INFO] [stdout] | [INFO] [stdout] 158 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:159:9 [INFO] [stdout] | [INFO] [stdout] 159 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dime` [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:160:9 [INFO] [stdout] | [INFO] [stdout] 160 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_loopBack` should have a snake case name [INFO] [stdout] --> src/bin/ch6_enums_pattern_matching.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let _loopBack = IpAddr::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `_loop_back` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | y: U, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Option` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | enum Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Result` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 39 | enum Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify2` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 107 | fn notify2(item1: T, item2: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:112:8 [INFO] [stdout] | [INFO] [stdout] 112 | fn some_function(_t: T, _u: U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify3` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn notify3(_item: impl Summary + Display) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 124 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `simpleReturn` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn simpleReturn<'a>(x: &'a str, _y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_word` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 167 | fn some_word(_s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `some_number` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:178:12 [INFO] [stdout] | [INFO] [stdout] 178 | fn some_number(&self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `alert` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:182:12 [INFO] [stdout] | [INFO] [stdout] 182 | fn alert(&self, text: &str) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/ch5_structs.rs:69:21 [INFO] [stdout] | [INFO] [stdout] 69 | struct Animal {}; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takeLiteral` should have a snake case name [INFO] [stdout] --> src/bin/ch4_ownership.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn takeLiteral(_text: &str) {} [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `take_literal` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_mixedNums` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let _mixedNums = MorePoints { x: 5.23, y: 10 }; // x & y can be different values now [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `_mixed_nums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `simpleRef` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | fn simpleRef(&self) -> &T { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `simple_ref` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `wholeNums` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | fn wholeNums(&self) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `whole_nums` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/ch9_error_handling.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | panic!(); [INFO] [stdout] | --------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 13 | panic!("I blame Jim for this error."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simpleReturn` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn simpleReturn<'a>(x: &'a str, _y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `simple_return` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_to_waitlist` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | fn add_to_waitlist() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `seat_at_table` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | fn seat_at_table() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_order` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | fn take_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `serve_order` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | fn serve_order() {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_payment` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | fn take_payment() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | fn open() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open1` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn open1() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open2` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn open2() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unzip` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | fn unzip() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `secret_toast` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | secret_toast: String, // unaccessible [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Appetizer` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | pub enum Appetizer { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Dessert` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:84:10 [INFO] [stdout] | [INFO] [stdout] 84 | enum Dessert { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `start` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:93:16 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn start() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `stop` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 94 | fn stop() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `drive` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:102:4 [INFO] [stdout] | [INFO] [stdout] 102 | fn drive() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `placeholder` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:113:4 [INFO] [stdout] | [INFO] [stdout] 113 | fn placeholder() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `treasure` [INFO] [stdout] --> src/bin/ch7_modules/some_file.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn treasure() {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_treasure` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn get_treasure() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `treasure` [INFO] [stdout] --> src/bin/ch7_modules/some_folder/mod.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn treasure() {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_treasure_again` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:138:4 [INFO] [stdout] | [INFO] [stdout] 138 | fn get_treasure_again() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `takeLiteral` should have a snake case name [INFO] [stdout] --> src/bin/ch4_ownership.rs:91:8 [INFO] [stdout] | [INFO] [stdout] 91 | fn takeLiteral(_text: &str) {} [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `take_literal` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `panic` [INFO] [stdout] --> src/bin/ch9_error_handling.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn panic() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/bin/ch9_error_handling.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 10 | panic!(); [INFO] [stdout] | --------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 13 | panic!("I blame Jim for this error."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_a_result_simpler` [INFO] [stdout] --> src/bin/ch9_error_handling.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn return_a_result_simpler() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `ice_cream` should have an upper camel case name [INFO] [stdout] --> src/bin/ch7_modules/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | ice_cream, [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `IceCream` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `cake` should have an upper camel case name [INFO] [stdout] --> src/bin/ch7_modules/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | cake, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cake` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `x` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | x: T, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `y` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | y: U, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Option` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:34:10 [INFO] [stdout] | [INFO] [stdout] 34 | enum Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Result` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 39 | enum Result { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify2` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:107:8 [INFO] [stdout] | [INFO] [stdout] 107 | fn notify2(item1: T, item2: T) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:112:8 [INFO] [stdout] | [INFO] [stdout] 112 | fn some_function(_t: T, _u: U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notify3` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:121:8 [INFO] [stdout] | [INFO] [stdout] 121 | fn notify3(_item: impl Summary + Display) {} [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 124 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `simpleReturn` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn simpleReturn<'a>(x: &'a str, _y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_word` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:167:8 [INFO] [stdout] | [INFO] [stdout] 167 | fn some_word(_s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `some_number` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:178:12 [INFO] [stdout] | [INFO] [stdout] 178 | fn some_number(&self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `alert` [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:182:12 [INFO] [stdout] | [INFO] [stdout] 182 | fn alert(&self, text: &str) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `_mixedNums` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let _mixedNums = MorePoints { x: 5.23, y: 10 }; // x & y can be different values now [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to snake case: `_mixed_nums` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `simpleRef` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 46 | fn simpleRef(&self) -> &T { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `simple_ref` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `wholeNums` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | fn wholeNums(&self) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `whole_nums` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simpleReturn` should have a snake case name [INFO] [stdout] --> src/bin/ch10_types_traits_lifetimes.rs:149:8 [INFO] [stdout] | [INFO] [stdout] 149 | fn simpleReturn<'a>(x: &'a str, _y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `simple_return` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `sign_in_count` [INFO] [stdout] --> src/bin/ch5_structs.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `active` [INFO] [stdout] --> src/bin/ch5_structs.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | active: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Animal` [INFO] [stdout] --> src/bin/ch5_structs.rs:69:12 [INFO] [stdout] | [INFO] [stdout] 69 | struct Animal {}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `nothing_much` [INFO] [stdout] --> src/bin/ch5_structs.rs:151:12 [INFO] [stdout] | [INFO] [stdout] 151 | fn nothing_much(&self) {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `panic` [INFO] [stdout] --> src/bin/ch9_error_handling.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn panic() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `return_a_result_simpler` [INFO] [stdout] --> src/bin/ch9_error_handling.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn return_a_result_simpler() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `add_to_waitlist` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | fn add_to_waitlist() {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `seat_at_table` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | fn seat_at_table() {} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_order` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 20 | fn take_order() {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `serve_order` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | fn serve_order() {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_payment` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | fn take_payment() {} [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | fn open() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open1` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn open1() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `open2` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn open2() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unzip` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:52:12 [INFO] [stdout] | [INFO] [stdout] 52 | fn unzip() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `secret_toast` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | secret_toast: String, // unaccessible [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Appetizer` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | pub enum Appetizer { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Dessert` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:84:10 [INFO] [stdout] | [INFO] [stdout] 84 | enum Dessert { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `start` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:93:16 [INFO] [stdout] | [INFO] [stdout] 93 | pub fn start() {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `stop` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:94:12 [INFO] [stdout] | [INFO] [stdout] 94 | fn stop() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `drive` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:102:4 [INFO] [stdout] | [INFO] [stdout] 102 | fn drive() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `placeholder` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:113:4 [INFO] [stdout] | [INFO] [stdout] 113 | fn placeholder() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `treasure` [INFO] [stdout] --> src/bin/ch7_modules/some_file.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn treasure() {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_treasure` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:130:4 [INFO] [stdout] | [INFO] [stdout] 130 | fn get_treasure() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `treasure` [INFO] [stdout] --> src/bin/ch7_modules/some_folder/mod.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn treasure() {} [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_treasure_again` [INFO] [stdout] --> src/bin/ch7_modules/main.rs:138:4 [INFO] [stdout] | [INFO] [stdout] 138 | fn get_treasure_again() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `Command { std: "docker" "inspect" "ac40b8f8c4624344899d709b0c172eb9ba0cc1ab3f95667158ef359884cd996d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac40b8f8c4624344899d709b0c172eb9ba0cc1ab3f95667158ef359884cd996d", kill_on_drop: false }` [INFO] [stdout] ac40b8f8c4624344899d709b0c172eb9ba0cc1ab3f95667158ef359884cd996d