Dec 12 02:21:42.926 INFO checking ICimpoes/rusty-train against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677 Dec 12 02:21:42.926 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 12 02:21:43.409 INFO [stdout] 3be1cef5b967e0fd374adf6e7830dc5b97ef91fc5c2afd29c215337637f48137 Dec 12 02:21:43.411 INFO running `"docker" "start" "-a" "3be1cef5b967e0fd374adf6e7830dc5b97ef91fc5c2afd29c215337637f48137"` Dec 12 02:21:44.640 INFO [stderr] usermod: no changes Dec 12 02:21:44.748 INFO [stderr] Checking rusty-train v0.1.0 (/source) Dec 12 02:21:45.348 INFO [stderr] warning: function is never used: `middle_function` Dec 12 02:21:45.348 INFO [stderr] --> src/communicator/lib/mod.rs:6:5 Dec 12 02:21:45.348 INFO [stderr] | Dec 12 02:21:45.348 INFO [stderr] 6 | pub fn middle_function() { Dec 12 02:21:45.348 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:45.348 INFO [stderr] | Dec 12 02:21:45.348 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:45.348 INFO [stderr] Dec 12 02:21:45.348 INFO [stderr] warning: function is never used: `middle_secret_function` Dec 12 02:21:45.348 INFO [stderr] --> src/communicator/lib/mod.rs:10:5 Dec 12 02:21:45.348 INFO [stderr] | Dec 12 02:21:45.348 INFO [stderr] 10 | fn middle_secret_function() { Dec 12 02:21:45.348 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:45.348 INFO [stderr] Dec 12 02:21:45.348 INFO [stderr] warning: function is never used: `inner_function` Dec 12 02:21:45.348 INFO [stderr] --> src/communicator/lib/mod.rs:17:9 Dec 12 02:21:45.348 INFO [stderr] | Dec 12 02:21:45.348 INFO [stderr] 17 | pub fn inner_function() {} Dec 12 02:21:45.348 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:45.348 INFO [stderr] Dec 12 02:21:45.348 INFO [stderr] warning: function is never used: `secret_function` Dec 12 02:21:45.348 INFO [stderr] --> src/communicator/lib/mod.rs:19:9 Dec 12 02:21:45.348 INFO [stderr] | Dec 12 02:21:45.348 INFO [stderr] 19 | fn secret_function() { Dec 12 02:21:45.348 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:45.348 INFO [stderr] Dec 12 02:21:45.348 INFO [stderr] warning: function is never used: `inner_function` Dec 12 02:21:45.348 INFO [stderr] --> src/communicator/lib/mod.rs:26:13 Dec 12 02:21:45.348 INFO [stderr] | Dec 12 02:21:45.348 INFO [stderr] 26 | pub fn inner_function() { Dec 12 02:21:45.348 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:45.348 INFO [stderr] Dec 12 02:21:45.348 INFO [stderr] warning: function is never used: `try_me` Dec 12 02:21:45.348 INFO [stderr] --> src/communicator/lib/mod.rs:56:1 Dec 12 02:21:45.348 INFO [stderr] | Dec 12 02:21:45.348 INFO [stderr] 56 | fn try_me() { Dec 12 02:21:45.348 INFO [stderr] | ^^^^^^^^^^^ Dec 12 02:21:45.348 INFO [stderr] Dec 12 02:21:45.348 INFO [stderr] warning: function is never used: `prints_and_returns_10` Dec 12 02:21:45.348 INFO [stderr] --> src/communicator/lib/mod.rs:89:1 Dec 12 02:21:45.348 INFO [stderr] | Dec 12 02:21:45.348 INFO [stderr] 89 | fn prints_and_returns_10(a: i32) -> i32 { Dec 12 02:21:45.348 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:45.348 INFO [stderr] Dec 12 02:21:45.924 INFO [stderr] warning: function is never used: `middle_function` Dec 12 02:21:45.924 INFO [stderr] --> src/communicator/lib/mod.rs:6:5 Dec 12 02:21:45.924 INFO [stderr] | Dec 12 02:21:45.924 INFO [stderr] 6 | pub fn middle_function() { Dec 12 02:21:45.924 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:45.930 INFO [stderr] | Dec 12 02:21:45.930 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:45.930 INFO [stderr] Dec 12 02:21:45.930 INFO [stderr] warning: function is never used: `middle_secret_function` Dec 12 02:21:45.930 INFO [stderr] --> src/communicator/lib/mod.rs:10:5 Dec 12 02:21:45.930 INFO [stderr] | Dec 12 02:21:45.930 INFO [stderr] 10 | fn middle_secret_function() { Dec 12 02:21:45.930 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:45.930 INFO [stderr] Dec 12 02:21:45.930 INFO [stderr] warning: function is never used: `inner_function` Dec 12 02:21:45.930 INFO [stderr] --> src/communicator/lib/mod.rs:17:9 Dec 12 02:21:45.930 INFO [stderr] | Dec 12 02:21:45.930 INFO [stderr] 17 | pub fn inner_function() {} Dec 12 02:21:45.930 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:45.930 INFO [stderr] Dec 12 02:21:45.930 INFO [stderr] warning: function is never used: `secret_function` Dec 12 02:21:45.930 INFO [stderr] --> src/communicator/lib/mod.rs:19:9 Dec 12 02:21:45.930 INFO [stderr] | Dec 12 02:21:45.930 INFO [stderr] 19 | fn secret_function() { Dec 12 02:21:45.930 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:45.930 INFO [stderr] Dec 12 02:21:45.930 INFO [stderr] warning: function is never used: `inner_function` Dec 12 02:21:45.930 INFO [stderr] --> src/communicator/lib/mod.rs:26:13 Dec 12 02:21:45.930 INFO [stderr] | Dec 12 02:21:45.930 INFO [stderr] 26 | pub fn inner_function() { Dec 12 02:21:45.930 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:45.930 INFO [stderr] Dec 12 02:21:45.932 INFO [stderr] warning: function is never used: `try_me` Dec 12 02:21:45.932 INFO [stderr] --> src/communicator/lib/mod.rs:56:1 Dec 12 02:21:45.932 INFO [stderr] | Dec 12 02:21:45.932 INFO [stderr] 56 | fn try_me() { Dec 12 02:21:45.932 INFO [stderr] | ^^^^^^^^^^^ Dec 12 02:21:45.932 INFO [stderr] Dec 12 02:21:46.855 INFO [stderr] warning: unused variable: `v` Dec 12 02:21:46.855 INFO [stderr] --> src/errors/bin/main.rs:5:9 Dec 12 02:21:46.855 INFO [stderr] | Dec 12 02:21:46.855 INFO [stderr] 5 | let v = vec![1, 2, 3]; Dec 12 02:21:46.855 INFO [stderr] | ^ help: consider using `_v` instead Dec 12 02:21:46.855 INFO [stderr] | Dec 12 02:21:46.855 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:46.855 INFO [stderr] Dec 12 02:21:46.855 INFO [stderr] warning: unused variable: `f` Dec 12 02:21:46.855 INFO [stderr] --> src/errors/bin/main.rs:23:9 Dec 12 02:21:46.855 INFO [stderr] | Dec 12 02:21:46.855 INFO [stderr] 23 | let f = match f { Dec 12 02:21:46.855 INFO [stderr] | ^ help: consider using `_f` instead Dec 12 02:21:46.855 INFO [stderr] Dec 12 02:21:46.912 INFO [stderr] warning: unused variable: `v` Dec 12 02:21:46.912 INFO [stderr] --> src/errors/bin/main.rs:5:9 Dec 12 02:21:46.912 INFO [stderr] | Dec 12 02:21:46.912 INFO [stderr] 5 | let v = vec![1, 2, 3]; Dec 12 02:21:46.912 INFO [stderr] | ^ help: consider using `_v` instead Dec 12 02:21:46.912 INFO [stderr] | Dec 12 02:21:46.912 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:46.912 INFO [stderr] Dec 12 02:21:46.912 INFO [stderr] warning: unused variable: `f` Dec 12 02:21:46.912 INFO [stderr] --> src/errors/bin/main.rs:23:9 Dec 12 02:21:46.912 INFO [stderr] | Dec 12 02:21:46.912 INFO [stderr] 23 | let f = match f { Dec 12 02:21:46.912 INFO [stderr] | ^ help: consider using `_f` instead Dec 12 02:21:46.912 INFO [stderr] Dec 12 02:21:46.920 INFO [stderr] warning: function is never used: `read_username_from_file` Dec 12 02:21:46.920 INFO [stderr] --> src/errors/bin/main.rs:44:1 Dec 12 02:21:46.920 INFO [stderr] | Dec 12 02:21:46.920 INFO [stderr] 44 | fn read_username_from_file() -> Result { Dec 12 02:21:46.920 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:46.920 INFO [stderr] | Dec 12 02:21:46.920 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:46.920 INFO [stderr] Dec 12 02:21:46.920 INFO [stderr] warning: function is never used: `read_username_from_file2` Dec 12 02:21:46.921 INFO [stderr] --> src/errors/bin/main.rs:60:1 Dec 12 02:21:46.921 INFO [stderr] | Dec 12 02:21:46.921 INFO [stderr] 60 | fn read_username_from_file2() -> Result { Dec 12 02:21:46.921 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:46.921 INFO [stderr] Dec 12 02:21:46.981 INFO [stderr] warning: function is never used: `read_username_from_file` Dec 12 02:21:46.981 INFO [stderr] --> src/errors/bin/main.rs:44:1 Dec 12 02:21:46.981 INFO [stderr] | Dec 12 02:21:46.981 INFO [stderr] 44 | fn read_username_from_file() -> Result { Dec 12 02:21:46.981 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:46.981 INFO [stderr] | Dec 12 02:21:46.981 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:46.981 INFO [stderr] Dec 12 02:21:46.981 INFO [stderr] warning: function is never used: `read_username_from_file2` Dec 12 02:21:46.981 INFO [stderr] --> src/errors/bin/main.rs:60:1 Dec 12 02:21:46.981 INFO [stderr] | Dec 12 02:21:46.981 INFO [stderr] 60 | fn read_username_from_file2() -> Result { Dec 12 02:21:46.981 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:46.981 INFO [stderr] Dec 12 02:21:46.992 INFO [stderr] warning: function `openFile` should have a snake case name such as `open_file` Dec 12 02:21:46.992 INFO [stderr] --> src/errors/bin/main.rs:20:1 Dec 12 02:21:46.992 INFO [stderr] | Dec 12 02:21:46.992 INFO [stderr] 20 | / fn openFile() { Dec 12 02:21:46.992 INFO [stderr] 21 | | let f = File::open("hello.txt"); Dec 12 02:21:46.992 INFO [stderr] 22 | | Dec 12 02:21:46.992 INFO [stderr] 23 | | let f = match f { Dec 12 02:21:46.992 INFO [stderr] ... | Dec 12 02:21:46.992 INFO [stderr] 40 | | }; Dec 12 02:21:46.992 INFO [stderr] 41 | | } Dec 12 02:21:46.992 INFO [stderr] | |_^ Dec 12 02:21:46.992 INFO [stderr] | Dec 12 02:21:46.992 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 12 02:21:46.992 INFO [stderr] Dec 12 02:21:47.032 INFO [stderr] warning: function `openFile` should have a snake case name such as `open_file` Dec 12 02:21:47.032 INFO [stderr] --> src/errors/bin/main.rs:20:1 Dec 12 02:21:47.032 INFO [stderr] | Dec 12 02:21:47.032 INFO [stderr] 20 | / fn openFile() { Dec 12 02:21:47.032 INFO [stderr] 21 | | let f = File::open("hello.txt"); Dec 12 02:21:47.032 INFO [stderr] 22 | | Dec 12 02:21:47.032 INFO [stderr] 23 | | let f = match f { Dec 12 02:21:47.032 INFO [stderr] ... | Dec 12 02:21:47.032 INFO [stderr] 40 | | }; Dec 12 02:21:47.032 INFO [stderr] 41 | | } Dec 12 02:21:47.032 INFO [stderr] | |_^ Dec 12 02:21:47.032 INFO [stderr] | Dec 12 02:21:47.032 INFO [stderr] = note: #[warn(non_snake_case)] on by default Dec 12 02:21:47.032 INFO [stderr] Dec 12 02:21:47.773 INFO [stderr] warning: unused imports: `Red`, `Yellow` Dec 12 02:21:47.773 INFO [stderr] --> src/chapter7/bin/main.rs:3:34 Dec 12 02:21:47.773 INFO [stderr] | Dec 12 02:21:47.773 INFO [stderr] 3 | use communicator::TrafficLight::{Red, Yellow}; Dec 12 02:21:47.773 INFO [stderr] | ^^^ ^^^^^^ Dec 12 02:21:47.773 INFO [stderr] warning: unused variable: `s` Dec 12 02:21:47.773 INFO [stderr] --> src/lifetimes/bin/main.rs:5:13 Dec 12 02:21:47.773 INFO [stderr] | Dec 12 02:21:47.773 INFO [stderr] 5 | let s: &'static str = "asdsa"; Dec 12 02:21:47.773 INFO [stderr] | ^ help: consider using `_s` instead Dec 12 02:21:47.773 INFO [stderr] | Dec 12 02:21:47.773 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:47.773 INFO [stderr] Dec 12 02:21:47.773 INFO [stderr] warning: unused variable: `y` Dec 12 02:21:47.773 INFO [stderr] --> src/lifetimes/bin/main.rs:40:29 Dec 12 02:21:47.773 INFO [stderr] | Dec 12 02:21:47.774 INFO [stderr] 40 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str { Dec 12 02:21:47.774 INFO [stderr] | ^ help: consider using `_y` instead Dec 12 02:21:47.774 INFO [stderr] Dec 12 02:21:47.774 INFO [stderr] warning: unused variable: `y` Dec 12 02:21:47.774 INFO [stderr] --> src/lifetimes/bin/main.rs:44:29 Dec 12 02:21:47.774 INFO [stderr] | Dec 12 02:21:47.774 INFO [stderr] 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str { Dec 12 02:21:47.774 INFO [stderr] | ^ help: consider using `_y` instead Dec 12 02:21:47.774 INFO [stderr] Dec 12 02:21:47.774 INFO [stderr] | Dec 12 02:21:47.774 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 12 02:21:47.774 INFO [stderr] Dec 12 02:21:47.796 INFO [stderr] warning: function is never used: `longest3` Dec 12 02:21:47.796 INFO [stderr] --> src/lifetimes/bin/main.rs:44:1 Dec 12 02:21:47.796 INFO [stderr] | Dec 12 02:21:47.796 INFO [stderr] 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str { Dec 12 02:21:47.796 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:47.804 INFO [stderr] | Dec 12 02:21:47.804 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:47.804 INFO [stderr] Dec 12 02:21:47.805 INFO [stderr] warning: field is never used: `a` Dec 12 02:21:47.805 INFO [stderr] --> src/lifetimes/bin/main.rs:50:5 Dec 12 02:21:47.805 INFO [stderr] | Dec 12 02:21:47.805 INFO [stderr] 50 | a: String, Dec 12 02:21:47.805 INFO [stderr] | ^^^^^^^^^ Dec 12 02:21:47.805 INFO [stderr] Dec 12 02:21:47.805 INFO [stderr] warning: method is never used: `level` Dec 12 02:21:47.805 INFO [stderr] --> src/lifetimes/bin/main.rs:54:5 Dec 12 02:21:47.805 INFO [stderr] | Dec 12 02:21:47.805 INFO [stderr] 54 | fn level(&self) -> i32 { Dec 12 02:21:47.805 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:47.805 INFO [stderr] Dec 12 02:21:47.805 INFO [stderr] warning: method is never used: `a` Dec 12 02:21:47.805 INFO [stderr] --> src/lifetimes/bin/main.rs:60:5 Dec 12 02:21:47.805 INFO [stderr] | Dec 12 02:21:47.805 INFO [stderr] 60 | fn a(&self) -> &str { Dec 12 02:21:47.805 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:47.805 INFO [stderr] Dec 12 02:21:47.805 INFO [stderr] warning: function is never used: `longest_with_an_announcement` Dec 12 02:21:47.805 INFO [stderr] --> src/lifetimes/bin/main.rs:67:1 Dec 12 02:21:47.805 INFO [stderr] | Dec 12 02:21:47.805 INFO [stderr] 67 | / fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str Dec 12 02:21:47.805 INFO [stderr] 68 | | where T: Display Dec 12 02:21:47.805 INFO [stderr] 69 | | { Dec 12 02:21:47.805 INFO [stderr] 70 | | println!("Announcement! {}", ann); Dec 12 02:21:47.805 INFO [stderr] ... | Dec 12 02:21:47.805 INFO [stderr] 75 | | } Dec 12 02:21:47.805 INFO [stderr] 76 | | } Dec 12 02:21:47.805 INFO [stderr] | |_^ Dec 12 02:21:47.805 INFO [stderr] Dec 12 02:21:47.867 INFO [stderr] warning: unused variable: `red` Dec 12 02:21:47.868 INFO [stderr] --> src/chapter7/bin/main.rs:8:9 Dec 12 02:21:47.868 INFO [stderr] | Dec 12 02:21:47.868 INFO [stderr] 8 | let red = Red; Dec 12 02:21:47.868 INFO [stderr] | ^^^ help: consider using `_red` instead Dec 12 02:21:47.875 INFO [stderr] | Dec 12 02:21:47.875 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:47.875 INFO [stderr] Dec 12 02:21:47.875 INFO [stderr] warning: unused variable: `yellow` Dec 12 02:21:47.875 INFO [stderr] --> src/chapter7/bin/main.rs:9:9 Dec 12 02:21:47.875 INFO [stderr] | Dec 12 02:21:47.876 INFO [stderr] 9 | let yellow = Yellow; Dec 12 02:21:47.876 INFO [stderr] | ^^^^^^ help: consider using `_yellow` instead Dec 12 02:21:47.876 INFO [stderr] Dec 12 02:21:47.876 INFO [stderr] warning: unused variable: `green` Dec 12 02:21:47.876 INFO [stderr] --> src/chapter7/bin/main.rs:10:9 Dec 12 02:21:47.876 INFO [stderr] | Dec 12 02:21:47.876 INFO [stderr] 10 | let green = communicator::TrafficLight::Green; Dec 12 02:21:47.876 INFO [stderr] | ^^^^^ help: consider using `_green` instead Dec 12 02:21:47.876 INFO [stderr] Dec 12 02:21:47.876 INFO [stderr] warning: unused variable: `green` Dec 12 02:21:47.876 INFO [stderr] --> src/chapter7/bin/main.rs:14:9 Dec 12 02:21:47.876 INFO [stderr] | Dec 12 02:21:47.876 INFO [stderr] 14 | let green = Green; Dec 12 02:21:47.876 INFO [stderr] | ^^^^^ help: consider using `_green` instead Dec 12 02:21:47.876 INFO [stderr] Dec 12 02:21:48.212 INFO [stderr] warning: unused variable: `black` Dec 12 02:21:48.213 INFO [stderr] --> src/chapter5/bin/main.rs:23:9 Dec 12 02:21:48.213 INFO [stderr] | Dec 12 02:21:48.213 INFO [stderr] 23 | let black = Color(0, 0, 0); Dec 12 02:21:48.214 INFO [stderr] | ^^^^^ help: consider using `_black` instead Dec 12 02:21:48.214 INFO [stderr] | Dec 12 02:21:48.214 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:48.214 INFO [stderr] Dec 12 02:21:48.215 INFO [stderr] warning: unused variable: `origin` Dec 12 02:21:48.215 INFO [stderr] --> src/chapter5/bin/main.rs:24:9 Dec 12 02:21:48.215 INFO [stderr] | Dec 12 02:21:48.216 INFO [stderr] 24 | let origin = Point(0, 0, 0); Dec 12 02:21:48.216 INFO [stderr] | ^^^^^^ help: consider using `_origin` instead Dec 12 02:21:48.216 INFO [stderr] Dec 12 02:21:48.320 INFO [stderr] warning: function is never used: `build_user` Dec 12 02:21:48.321 INFO [stderr] --> src/chapter5/bin/main.rs:103:1 Dec 12 02:21:48.321 INFO [stderr] | Dec 12 02:21:48.321 INFO [stderr] 103 | fn build_user(email: String, username: String) -> User { Dec 12 02:21:48.321 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:48.321 INFO [stderr] | Dec 12 02:21:48.321 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:48.321 INFO [stderr] Dec 12 02:21:48.700 INFO [stderr] warning: unused variable: `black` Dec 12 02:21:48.701 INFO [stderr] --> src/chapter3/bin/main.rs:107:9 Dec 12 02:21:48.701 INFO [stderr] | Dec 12 02:21:48.701 INFO [stderr] 107 | let black = Color(0, 0, 0); Dec 12 02:21:48.702 INFO [stderr] | ^^^^^ help: consider using `_black` instead Dec 12 02:21:48.702 INFO [stderr] | Dec 12 02:21:48.702 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:48.702 INFO [stderr] Dec 12 02:21:48.703 INFO [stderr] warning: unused variable: `origin` Dec 12 02:21:48.703 INFO [stderr] --> src/chapter3/bin/main.rs:108:9 Dec 12 02:21:48.703 INFO [stderr] | Dec 12 02:21:48.703 INFO [stderr] 108 | let origin = Point(0, 0, 0); Dec 12 02:21:48.704 INFO [stderr] | ^^^^^^ help: consider using `_origin` instead Dec 12 02:21:48.704 INFO [stderr] Dec 12 02:21:48.917 INFO [stderr] warning: function is never used: `gives_ownership` Dec 12 02:21:48.917 INFO [stderr] --> src/chapter3/bin/main.rs:119:1 Dec 12 02:21:48.917 INFO [stderr] | Dec 12 02:21:48.917 INFO [stderr] 119 | fn gives_ownership() -> String { Dec 12 02:21:48.917 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:48.917 INFO [stderr] | Dec 12 02:21:48.917 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:48.917 INFO [stderr] Dec 12 02:21:48.917 INFO [stderr] warning: function is never used: `takes_and_gives_back` Dec 12 02:21:48.917 INFO [stderr] --> src/chapter3/bin/main.rs:124:1 Dec 12 02:21:48.917 INFO [stderr] | Dec 12 02:21:48.917 INFO [stderr] 124 | fn takes_and_gives_back(a_string: String) -> String { Dec 12 02:21:48.917 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:48.917 INFO [stderr] Dec 12 02:21:48.917 INFO [stderr] warning: function is never used: `no_dangle` Dec 12 02:21:48.917 INFO [stderr] --> src/chapter3/bin/main.rs:149:1 Dec 12 02:21:48.917 INFO [stderr] | Dec 12 02:21:48.917 INFO [stderr] 149 | fn no_dangle() -> String { Dec 12 02:21:48.917 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:48.917 INFO [stderr] Dec 12 02:21:48.917 INFO [stderr] warning: function is never used: `build_user` Dec 12 02:21:48.917 INFO [stderr] --> src/chapter3/bin/main.rs:187:1 Dec 12 02:21:48.917 INFO [stderr] | Dec 12 02:21:48.917 INFO [stderr] 187 | fn build_user(email: String, username: String) -> User { Dec 12 02:21:48.917 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:48.917 INFO [stderr] Dec 12 02:21:48.948 INFO [stderr] warning: unused variable: `black` Dec 12 02:21:48.948 INFO [stderr] --> src/chapter3/bin/main.rs:107:9 Dec 12 02:21:48.948 INFO [stderr] | Dec 12 02:21:48.948 INFO [stderr] 107 | let black = Color(0, 0, 0); Dec 12 02:21:48.948 INFO [stderr] | ^^^^^ help: consider using `_black` instead Dec 12 02:21:48.949 INFO [stderr] | Dec 12 02:21:48.949 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:48.949 INFO [stderr] Dec 12 02:21:48.949 INFO [stderr] warning: unused variable: `origin` Dec 12 02:21:48.949 INFO [stderr] --> src/chapter3/bin/main.rs:108:9 Dec 12 02:21:48.949 INFO [stderr] | Dec 12 02:21:48.949 INFO [stderr] 108 | let origin = Point(0, 0, 0); Dec 12 02:21:48.949 INFO [stderr] | ^^^^^^ help: consider using `_origin` instead Dec 12 02:21:48.949 INFO [stderr] Dec 12 02:21:48.957 INFO [stderr] warning: unused variable: `ip_type` Dec 12 02:21:48.957 INFO [stderr] --> src/chapter6/bin/main.rs:1:10 Dec 12 02:21:48.957 INFO [stderr] | Dec 12 02:21:48.957 INFO [stderr] 1 | fn route(ip_type: IpAddrKind) { } Dec 12 02:21:48.957 INFO [stderr] | ^^^^^^^ help: consider using `_ip_type` instead Dec 12 02:21:48.972 INFO [stderr] | Dec 12 02:21:48.972 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:48.972 INFO [stderr] Dec 12 02:21:48.972 INFO [stderr] warning: unused variable: `x` Dec 12 02:21:48.972 INFO [stderr] --> src/chapter6/bin/main.rs:32:35 Dec 12 02:21:48.972 INFO [stderr] | Dec 12 02:21:48.972 INFO [stderr] 32 | let x = some_string.and_then(|x: &str| Some("sf")); Dec 12 02:21:48.972 INFO [stderr] | ^ help: consider using `_x` instead Dec 12 02:21:48.972 INFO [stderr] Dec 12 02:21:48.972 INFO [stderr] warning: unused variable: `six` Dec 12 02:21:48.972 INFO [stderr] --> src/chapter6/bin/main.rs:11:9 Dec 12 02:21:48.972 INFO [stderr] | Dec 12 02:21:48.972 INFO [stderr] 11 | let six = IpAddrKind::V6; Dec 12 02:21:48.972 INFO [stderr] | ^^^ help: consider using `_six` instead Dec 12 02:21:48.972 INFO [stderr] Dec 12 02:21:48.973 INFO [stderr] warning: unused variable: `home` Dec 12 02:21:48.973 INFO [stderr] --> src/chapter6/bin/main.rs:18:9 Dec 12 02:21:48.973 INFO [stderr] | Dec 12 02:21:48.973 INFO [stderr] 18 | let home = IpAddr::V4(String::from("127.0.0.1")); Dec 12 02:21:48.973 INFO [stderr] | ^^^^ help: consider using `_home` instead Dec 12 02:21:48.973 INFO [stderr] Dec 12 02:21:48.973 INFO [stderr] warning: unused variable: `loopback` Dec 12 02:21:48.973 INFO [stderr] --> src/chapter6/bin/main.rs:19:9 Dec 12 02:21:48.973 INFO [stderr] | Dec 12 02:21:48.973 INFO [stderr] 19 | let loopback = IpAddr::V6(String::from("::1")); Dec 12 02:21:48.973 INFO [stderr] | ^^^^^^^^ help: consider using `_loopback` instead Dec 12 02:21:48.973 INFO [stderr] Dec 12 02:21:48.973 INFO [stderr] warning: unused variable: `home` Dec 12 02:21:48.973 INFO [stderr] --> src/chapter6/bin/main.rs:21:9 Dec 12 02:21:48.973 INFO [stderr] | Dec 12 02:21:48.973 INFO [stderr] 21 | let home = IpAddr2::V4(127, 0, 0, 1); Dec 12 02:21:48.973 INFO [stderr] | ^^^^ help: consider using `_home` instead Dec 12 02:21:48.973 INFO [stderr] Dec 12 02:21:48.973 INFO [stderr] warning: unused variable: `loopback` Dec 12 02:21:48.973 INFO [stderr] --> src/chapter6/bin/main.rs:22:9 Dec 12 02:21:48.973 INFO [stderr] | Dec 12 02:21:48.973 INFO [stderr] 22 | let loopback = IpAddr2::V6(String::from("::1")); Dec 12 02:21:48.973 INFO [stderr] | ^^^^^^^^ help: consider using `_loopback` instead Dec 12 02:21:48.973 INFO [stderr] Dec 12 02:21:48.973 INFO [stderr] warning: variable `count` is assigned to, but never used Dec 12 02:21:48.973 INFO [stderr] --> src/chapter6/bin/main.rs:72:13 Dec 12 02:21:48.973 INFO [stderr] | Dec 12 02:21:48.973 INFO [stderr] 72 | let mut count = 0; Dec 12 02:21:48.973 INFO [stderr] | ^^^^^ Dec 12 02:21:48.973 INFO [stderr] | Dec 12 02:21:48.973 INFO [stderr] = note: consider using `_count` instead Dec 12 02:21:48.973 INFO [stderr] Dec 12 02:21:48.973 INFO [stderr] warning: value assigned to `count` is never read Dec 12 02:21:48.973 INFO [stderr] --> src/chapter6/bin/main.rs:76:9 Dec 12 02:21:48.973 INFO [stderr] | Dec 12 02:21:48.973 INFO [stderr] 76 | count += 1; Dec 12 02:21:48.973 INFO [stderr] | ^^^^^ Dec 12 02:21:48.973 INFO [stderr] | Dec 12 02:21:48.973 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 12 02:21:48.973 INFO [stderr] Dec 12 02:21:49.054 INFO [stderr] warning: variant is never constructed: `Quit` Dec 12 02:21:49.054 INFO [stderr] --> src/chapter6/bin/main.rs:94:5 Dec 12 02:21:49.054 INFO [stderr] | Dec 12 02:21:49.054 INFO [stderr] 94 | Quit, Dec 12 02:21:49.054 INFO [stderr] | ^^^^ Dec 12 02:21:49.054 INFO [stderr] | Dec 12 02:21:49.054 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:49.054 INFO [stderr] Dec 12 02:21:49.054 INFO [stderr] warning: variant is never constructed: `Move` Dec 12 02:21:49.054 INFO [stderr] --> src/chapter6/bin/main.rs:95:5 Dec 12 02:21:49.054 INFO [stderr] | Dec 12 02:21:49.054 INFO [stderr] 95 | Move { x: i32, y: i32 }, Dec 12 02:21:49.054 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:49.054 INFO [stderr] Dec 12 02:21:49.054 INFO [stderr] warning: variant is never constructed: `ChangeColor` Dec 12 02:21:49.054 INFO [stderr] --> src/chapter6/bin/main.rs:97:5 Dec 12 02:21:49.054 INFO [stderr] | Dec 12 02:21:49.054 INFO [stderr] 97 | ChangeColor(i32, i32, i32), Dec 12 02:21:49.054 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:49.054 INFO [stderr] Dec 12 02:21:49.054 INFO [stderr] warning: variant is never constructed: `Alaska` Dec 12 02:21:49.054 INFO [stderr] --> src/chapter6/bin/main.rs:115:5 Dec 12 02:21:49.054 INFO [stderr] | Dec 12 02:21:49.054 INFO [stderr] 115 | Alaska, Dec 12 02:21:49.054 INFO [stderr] | ^^^^^^ Dec 12 02:21:49.054 INFO [stderr] Dec 12 02:21:49.054 INFO [stderr] warning: variant is never constructed: `Nickel` Dec 12 02:21:49.054 INFO [stderr] --> src/chapter6/bin/main.rs:121:5 Dec 12 02:21:49.054 INFO [stderr] | Dec 12 02:21:49.054 INFO [stderr] 121 | Nickel, Dec 12 02:21:49.054 INFO [stderr] | ^^^^^^ Dec 12 02:21:49.054 INFO [stderr] Dec 12 02:21:49.072 INFO [stderr] warning: function is never used: `gives_ownership` Dec 12 02:21:49.072 INFO [stderr] --> src/chapter3/bin/main.rs:119:1 Dec 12 02:21:49.072 INFO [stderr] | Dec 12 02:21:49.072 INFO [stderr] 119 | fn gives_ownership() -> String { Dec 12 02:21:49.072 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:49.085 INFO [stderr] | Dec 12 02:21:49.085 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:49.102 INFO [stderr] Dec 12 02:21:49.103 INFO [stderr] warning: function is never used: `takes_and_gives_back` Dec 12 02:21:49.103 INFO [stderr] --> src/chapter3/bin/main.rs:124:1 Dec 12 02:21:49.103 INFO [stderr] | Dec 12 02:21:49.103 INFO [stderr] 124 | fn takes_and_gives_back(a_string: String) -> String { Dec 12 02:21:49.103 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:49.103 INFO [stderr] Dec 12 02:21:49.152 INFO [stderr] warning: function is never used: `no_dangle` Dec 12 02:21:49.152 INFO [stderr] --> src/chapter3/bin/main.rs:149:1 Dec 12 02:21:49.152 INFO [stderr] | Dec 12 02:21:49.153 INFO [stderr] 149 | fn no_dangle() -> String { Dec 12 02:21:49.153 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:49.153 INFO [stderr] Dec 12 02:21:49.153 INFO [stderr] warning: function is never used: `build_user` Dec 12 02:21:49.153 INFO [stderr] --> src/chapter3/bin/main.rs:187:1 Dec 12 02:21:49.153 INFO [stderr] | Dec 12 02:21:49.153 INFO [stderr] 187 | fn build_user(email: String, username: String) -> User { Dec 12 02:21:49.154 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:49.154 INFO [stderr] Dec 12 02:21:50.708 INFO [stderr] warning: unused imports: `Red`, `Yellow` Dec 12 02:21:50.708 INFO [stderr] --> src/chapter7/bin/main.rs:3:34 Dec 12 02:21:50.708 INFO [stderr] | Dec 12 02:21:50.708 INFO [stderr] 3 | use communicator::TrafficLight::{Red, Yellow}; Dec 12 02:21:50.708 INFO [stderr] | ^^^ ^^^^^^ Dec 12 02:21:50.724 INFO [stderr] | Dec 12 02:21:50.724 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 12 02:21:50.724 INFO [stderr] Dec 12 02:21:50.809 INFO [stderr] warning: unused variable: `red` Dec 12 02:21:50.809 INFO [stderr] --> src/chapter7/bin/main.rs:8:9 Dec 12 02:21:50.809 INFO [stderr] | Dec 12 02:21:50.809 INFO [stderr] 8 | let red = Red; Dec 12 02:21:50.809 INFO [stderr] | ^^^ help: consider using `_red` instead Dec 12 02:21:50.809 INFO [stderr] | Dec 12 02:21:50.809 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:50.809 INFO [stderr] Dec 12 02:21:50.809 INFO [stderr] warning: unused variable: `yellow` Dec 12 02:21:50.809 INFO [stderr] --> src/chapter7/bin/main.rs:9:9 Dec 12 02:21:50.809 INFO [stderr] | Dec 12 02:21:50.809 INFO [stderr] 9 | let yellow = Yellow; Dec 12 02:21:50.809 INFO [stderr] | ^^^^^^ help: consider using `_yellow` instead Dec 12 02:21:50.809 INFO [stderr] Dec 12 02:21:50.809 INFO [stderr] warning: unused variable: `green` Dec 12 02:21:50.809 INFO [stderr] --> src/chapter7/bin/main.rs:10:9 Dec 12 02:21:50.809 INFO [stderr] | Dec 12 02:21:50.809 INFO [stderr] 10 | let green = communicator::TrafficLight::Green; Dec 12 02:21:50.809 INFO [stderr] | ^^^^^ help: consider using `_green` instead Dec 12 02:21:50.809 INFO [stderr] Dec 12 02:21:50.809 INFO [stderr] warning: unused variable: `green` Dec 12 02:21:50.809 INFO [stderr] --> src/chapter7/bin/main.rs:14:9 Dec 12 02:21:50.809 INFO [stderr] | Dec 12 02:21:50.809 INFO [stderr] 14 | let green = Green; Dec 12 02:21:50.809 INFO [stderr] | ^^^^^ help: consider using `_green` instead Dec 12 02:21:50.809 INFO [stderr] Dec 12 02:21:50.914 INFO [stderr] warning: unnecessary parentheses around assigned value Dec 12 02:21:50.915 INFO [stderr] --> src/collections/bin/main.rs:181:14 Dec 12 02:21:50.915 INFO [stderr] | Dec 12 02:21:50.915 INFO [stderr] 181 | t += (*i as f32); Dec 12 02:21:50.915 INFO [stderr] | ^^^^^^^^^^^ help: remove these parentheses Dec 12 02:21:50.916 INFO [stderr] | Dec 12 02:21:50.916 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 12 02:21:50.916 INFO [stderr] Dec 12 02:21:50.960 INFO [stderr] warning: unused variable: `s` Dec 12 02:21:50.961 INFO [stderr] --> src/lifetimes/bin/main.rs:5:13 Dec 12 02:21:50.961 INFO [stderr] | Dec 12 02:21:50.961 INFO [stderr] 5 | let s: &'static str = "asdsa"; Dec 12 02:21:50.961 INFO [stderr] | ^ help: consider using `_s` instead Dec 12 02:21:50.961 INFO [stderr] | Dec 12 02:21:50.961 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:50.961 INFO [stderr] Dec 12 02:21:50.961 INFO [stderr] warning: unused variable: `y` Dec 12 02:21:50.961 INFO [stderr] --> src/lifetimes/bin/main.rs:40:29 Dec 12 02:21:50.961 INFO [stderr] | Dec 12 02:21:50.961 INFO [stderr] 40 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str { Dec 12 02:21:50.961 INFO [stderr] | ^ help: consider using `_y` instead Dec 12 02:21:50.961 INFO [stderr] Dec 12 02:21:50.961 INFO [stderr] warning: unused variable: `y` Dec 12 02:21:50.961 INFO [stderr] --> src/lifetimes/bin/main.rs:44:29 Dec 12 02:21:50.961 INFO [stderr] | Dec 12 02:21:50.961 INFO [stderr] 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str { Dec 12 02:21:50.961 INFO [stderr] | ^ help: consider using `_y` instead Dec 12 02:21:50.961 INFO [stderr] Dec 12 02:21:51.036 INFO [stderr] warning: unused variable: `t` Dec 12 02:21:51.037 INFO [stderr] --> src/traits/bin/main.rs:83:24 Dec 12 02:21:51.037 INFO [stderr] | Dec 12 02:21:51.040 INFO [stderr] 83 | fn some_function(t: T, u: U) -> i32 Dec 12 02:21:51.040 INFO [stderr] | ^ help: consider using `_t` instead Dec 12 02:21:51.040 INFO [stderr] warning: function is never used: `longest3` Dec 12 02:21:51.040 INFO [stderr] --> src/lifetimes/bin/main.rs:44:1 Dec 12 02:21:51.040 INFO [stderr] | Dec 12 02:21:51.040 INFO [stderr] 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str { Dec 12 02:21:51.040 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:51.040 INFO [stderr] | Dec 12 02:21:51.040 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:51.040 INFO [stderr] Dec 12 02:21:51.040 INFO [stderr] warning: field is never used: `a` Dec 12 02:21:51.040 INFO [stderr] --> src/lifetimes/bin/main.rs:50:5 Dec 12 02:21:51.040 INFO [stderr] | Dec 12 02:21:51.040 INFO [stderr] 50 | a: String, Dec 12 02:21:51.040 INFO [stderr] | ^^^^^^^^^ Dec 12 02:21:51.040 INFO [stderr] Dec 12 02:21:51.040 INFO [stderr] warning: method is never used: `level` Dec 12 02:21:51.040 INFO [stderr] --> src/lifetimes/bin/main.rs:54:5 Dec 12 02:21:51.040 INFO [stderr] | Dec 12 02:21:51.040 INFO [stderr] 54 | fn level(&self) -> i32 { Dec 12 02:21:51.040 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:51.040 INFO [stderr] Dec 12 02:21:51.040 INFO [stderr] warning: method is never used: `a` Dec 12 02:21:51.040 INFO [stderr] --> src/lifetimes/bin/main.rs:60:5 Dec 12 02:21:51.040 INFO [stderr] | Dec 12 02:21:51.040 INFO [stderr] 60 | fn a(&self) -> &str { Dec 12 02:21:51.040 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:51.040 INFO [stderr] Dec 12 02:21:51.040 INFO [stderr] warning: function is never used: `longest_with_an_announcement` Dec 12 02:21:51.040 INFO [stderr] --> src/lifetimes/bin/main.rs:67:1 Dec 12 02:21:51.040 INFO [stderr] | Dec 12 02:21:51.040 INFO [stderr] 67 | / fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str Dec 12 02:21:51.040 INFO [stderr] 68 | | where T: Display Dec 12 02:21:51.040 INFO [stderr] 69 | | { Dec 12 02:21:51.040 INFO [stderr] 70 | | println!("Announcement! {}", ann); Dec 12 02:21:51.040 INFO [stderr] ... | Dec 12 02:21:51.040 INFO [stderr] 75 | | } Dec 12 02:21:51.040 INFO [stderr] 76 | | } Dec 12 02:21:51.040 INFO [stderr] | |_^ Dec 12 02:21:51.040 INFO [stderr] Dec 12 02:21:51.044 INFO [stderr] | Dec 12 02:21:51.044 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:51.044 INFO [stderr] Dec 12 02:21:51.044 INFO [stderr] warning: unused variable: `u` Dec 12 02:21:51.044 INFO [stderr] --> src/traits/bin/main.rs:83:30 Dec 12 02:21:51.044 INFO [stderr] | Dec 12 02:21:51.044 INFO [stderr] 83 | fn some_function(t: T, u: U) -> i32 Dec 12 02:21:51.044 INFO [stderr] | ^ help: consider using `_u` instead Dec 12 02:21:51.044 INFO [stderr] Dec 12 02:21:51.102 INFO [stderr] warning: function is never used: `some_function` Dec 12 02:21:51.102 INFO [stderr] --> src/traits/bin/main.rs:83:1 Dec 12 02:21:51.102 INFO [stderr] | Dec 12 02:21:51.102 INFO [stderr] 83 | / fn some_function(t: T, u: U) -> i32 Dec 12 02:21:51.102 INFO [stderr] 84 | | where T: std::fmt::Display + Clone, Dec 12 02:21:51.102 INFO [stderr] 85 | | U: Clone + std::fmt::Debug { Dec 12 02:21:51.102 INFO [stderr] 86 | | 1 Dec 12 02:21:51.102 INFO [stderr] 87 | | } Dec 12 02:21:51.102 INFO [stderr] | |_^ Dec 12 02:21:51.109 INFO [stderr] | Dec 12 02:21:51.109 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:51.109 INFO [stderr] Dec 12 02:21:51.109 INFO [stderr] warning: struct is never constructed: `Pair` Dec 12 02:21:51.109 INFO [stderr] --> src/traits/bin/main.rs:92:1 Dec 12 02:21:51.109 INFO [stderr] | Dec 12 02:21:51.109 INFO [stderr] 92 | struct Pair { Dec 12 02:21:51.109 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 12 02:21:51.109 INFO [stderr] Dec 12 02:21:51.109 INFO [stderr] warning: method is never used: `new` Dec 12 02:21:51.109 INFO [stderr] --> src/traits/bin/main.rs:98:5 Dec 12 02:21:51.109 INFO [stderr] | Dec 12 02:21:51.109 INFO [stderr] 98 | fn new(x: T, y: T) -> Self { Dec 12 02:21:51.109 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:51.109 INFO [stderr] Dec 12 02:21:51.109 INFO [stderr] warning: method is never used: `cmp_display` Dec 12 02:21:51.109 INFO [stderr] --> src/traits/bin/main.rs:107:5 Dec 12 02:21:51.109 INFO [stderr] | Dec 12 02:21:51.109 INFO [stderr] 107 | fn cmp_display(&self) { Dec 12 02:21:51.109 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:51.109 INFO [stderr] Dec 12 02:21:51.173 INFO [stderr] warning: function is never used: `max_ch` Dec 12 02:21:51.173 INFO [stderr] --> src/generics/bin/main.rs:51:1 Dec 12 02:21:51.173 INFO [stderr] | Dec 12 02:21:51.173 INFO [stderr] 51 | fn max_ch(list: &[char]) -> Option { Dec 12 02:21:51.173 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:51.173 INFO [stderr] | Dec 12 02:21:51.173 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:51.173 INFO [stderr] Dec 12 02:21:51.225 INFO [stderr] warning: unused variable: `s1` Dec 12 02:21:51.225 INFO [stderr] --> src/collections/bin/main.rs:99:9 Dec 12 02:21:51.225 INFO [stderr] | Dec 12 02:21:51.225 INFO [stderr] 99 | let s1 = String::from("hello"); Dec 12 02:21:51.225 INFO [stderr] | ^^ help: consider using `_s1` instead Dec 12 02:21:51.225 INFO [stderr] | Dec 12 02:21:51.225 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:51.225 INFO [stderr] Dec 12 02:21:51.226 INFO [stderr] warning: unused variable: `scores` Dec 12 02:21:51.226 INFO [stderr] --> src/collections/bin/main.rs:143:9 Dec 12 02:21:51.226 INFO [stderr] | Dec 12 02:21:51.226 INFO [stderr] 143 | let scores: HashMap<_, _> = zipped.collect(); Dec 12 02:21:51.226 INFO [stderr] | ^^^^^^ help: consider using `_scores` instead Dec 12 02:21:51.226 INFO [stderr] Dec 12 02:21:51.452 INFO [stderr] warning: variable does not need to be mutable Dec 12 02:21:51.452 INFO [stderr] --> src/collections/bin/main.rs:56:9 Dec 12 02:21:51.453 INFO [stderr] | Dec 12 02:21:51.453 INFO [stderr] 56 | let mut s = String::new(); Dec 12 02:21:51.453 INFO [stderr] | ----^ Dec 12 02:21:51.453 INFO [stderr] | | Dec 12 02:21:51.453 INFO [stderr] | help: remove this `mut` Dec 12 02:21:51.454 INFO [stderr] | Dec 12 02:21:51.454 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 12 02:21:51.456 INFO [stderr] Dec 12 02:21:51.674 INFO [stderr] warning: unused variable: `t` Dec 12 02:21:51.674 INFO [stderr] --> src/traits/bin/main.rs:83:24 Dec 12 02:21:51.674 INFO [stderr] | Dec 12 02:21:51.674 INFO [stderr] 83 | fn some_function(t: T, u: U) -> i32 Dec 12 02:21:51.674 INFO [stderr] | ^ help: consider using `_t` instead Dec 12 02:21:51.674 INFO [stderr] | Dec 12 02:21:51.674 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:51.674 INFO [stderr] Dec 12 02:21:51.674 INFO [stderr] warning: unused variable: `u` Dec 12 02:21:51.674 INFO [stderr] --> src/traits/bin/main.rs:83:30 Dec 12 02:21:51.674 INFO [stderr] | Dec 12 02:21:51.674 INFO [stderr] 83 | fn some_function(t: T, u: U) -> i32 Dec 12 02:21:51.674 INFO [stderr] | ^ help: consider using `_u` instead Dec 12 02:21:51.674 INFO [stderr] Dec 12 02:21:51.769 INFO [stderr] warning: function is never used: `some_function` Dec 12 02:21:51.769 INFO [stderr] --> src/traits/bin/main.rs:83:1 Dec 12 02:21:51.769 INFO [stderr] | Dec 12 02:21:51.769 INFO [stderr] 83 | / fn some_function(t: T, u: U) -> i32 Dec 12 02:21:51.769 INFO [stderr] 84 | | where T: std::fmt::Display + Clone, Dec 12 02:21:51.769 INFO [stderr] 85 | | U: Clone + std::fmt::Debug { Dec 12 02:21:51.769 INFO [stderr] 86 | | 1 Dec 12 02:21:51.769 INFO [stderr] 87 | | } Dec 12 02:21:51.769 INFO [stderr] | |_^ Dec 12 02:21:51.769 INFO [stderr] | Dec 12 02:21:51.769 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:51.769 INFO [stderr] Dec 12 02:21:51.769 INFO [stderr] warning: struct is never constructed: `Pair` Dec 12 02:21:51.769 INFO [stderr] --> src/traits/bin/main.rs:92:1 Dec 12 02:21:51.769 INFO [stderr] | Dec 12 02:21:51.769 INFO [stderr] 92 | struct Pair { Dec 12 02:21:51.769 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 12 02:21:51.769 INFO [stderr] Dec 12 02:21:51.769 INFO [stderr] warning: method is never used: `new` Dec 12 02:21:51.769 INFO [stderr] --> src/traits/bin/main.rs:98:5 Dec 12 02:21:51.769 INFO [stderr] | Dec 12 02:21:51.769 INFO [stderr] 98 | fn new(x: T, y: T) -> Self { Dec 12 02:21:51.769 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:51.769 INFO [stderr] Dec 12 02:21:51.769 INFO [stderr] warning: method is never used: `cmp_display` Dec 12 02:21:51.769 INFO [stderr] --> src/traits/bin/main.rs:107:5 Dec 12 02:21:51.769 INFO [stderr] | Dec 12 02:21:51.769 INFO [stderr] 107 | fn cmp_display(&self) { Dec 12 02:21:51.769 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:51.769 INFO [stderr] Dec 12 02:21:52.742 INFO [stderr] warning: unused variable: `ip_type` Dec 12 02:21:52.742 INFO [stderr] --> src/chapter6/bin/main.rs:1:10 Dec 12 02:21:52.742 INFO [stderr] | Dec 12 02:21:52.742 INFO [stderr] 1 | fn route(ip_type: IpAddrKind) { } Dec 12 02:21:52.742 INFO [stderr] | ^^^^^^^ help: consider using `_ip_type` instead Dec 12 02:21:52.742 INFO [stderr] | Dec 12 02:21:52.742 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:52.742 INFO [stderr] Dec 12 02:21:52.742 INFO [stderr] warning: unused variable: `x` Dec 12 02:21:52.742 INFO [stderr] --> src/chapter6/bin/main.rs:32:35 Dec 12 02:21:52.742 INFO [stderr] | Dec 12 02:21:52.742 INFO [stderr] 32 | let x = some_string.and_then(|x: &str| Some("sf")); Dec 12 02:21:52.742 INFO [stderr] | ^ help: consider using `_x` instead Dec 12 02:21:52.742 INFO [stderr] Dec 12 02:21:52.742 INFO [stderr] warning: unused variable: `six` Dec 12 02:21:52.742 INFO [stderr] --> src/chapter6/bin/main.rs:11:9 Dec 12 02:21:52.742 INFO [stderr] | Dec 12 02:21:52.742 INFO [stderr] 11 | let six = IpAddrKind::V6; Dec 12 02:21:52.742 INFO [stderr] | ^^^ help: consider using `_six` instead Dec 12 02:21:52.742 INFO [stderr] Dec 12 02:21:52.742 INFO [stderr] warning: unused variable: `home` Dec 12 02:21:52.742 INFO [stderr] --> src/chapter6/bin/main.rs:18:9 Dec 12 02:21:52.742 INFO [stderr] | Dec 12 02:21:52.742 INFO [stderr] 18 | let home = IpAddr::V4(String::from("127.0.0.1")); Dec 12 02:21:52.742 INFO [stderr] | ^^^^ help: consider using `_home` instead Dec 12 02:21:52.742 INFO [stderr] Dec 12 02:21:52.742 INFO [stderr] warning: unused variable: `loopback` Dec 12 02:21:52.742 INFO [stderr] --> src/chapter6/bin/main.rs:19:9 Dec 12 02:21:52.743 INFO [stderr] | Dec 12 02:21:52.743 INFO [stderr] 19 | let loopback = IpAddr::V6(String::from("::1")); Dec 12 02:21:52.743 INFO [stderr] | ^^^^^^^^ help: consider using `_loopback` instead Dec 12 02:21:52.743 INFO [stderr] Dec 12 02:21:52.743 INFO [stderr] warning: unused variable: `home` Dec 12 02:21:52.743 INFO [stderr] --> src/chapter6/bin/main.rs:21:9 Dec 12 02:21:52.743 INFO [stderr] | Dec 12 02:21:52.743 INFO [stderr] 21 | let home = IpAddr2::V4(127, 0, 0, 1); Dec 12 02:21:52.743 INFO [stderr] | ^^^^ help: consider using `_home` instead Dec 12 02:21:52.743 INFO [stderr] Dec 12 02:21:52.743 INFO [stderr] warning: unused variable: `loopback` Dec 12 02:21:52.743 INFO [stderr] --> src/chapter6/bin/main.rs:22:9 Dec 12 02:21:52.743 INFO [stderr] | Dec 12 02:21:52.743 INFO [stderr] 22 | let loopback = IpAddr2::V6(String::from("::1")); Dec 12 02:21:52.743 INFO [stderr] | ^^^^^^^^ help: consider using `_loopback` instead Dec 12 02:21:52.743 INFO [stderr] Dec 12 02:21:52.743 INFO [stderr] warning: variable `count` is assigned to, but never used Dec 12 02:21:52.743 INFO [stderr] --> src/chapter6/bin/main.rs:72:13 Dec 12 02:21:52.743 INFO [stderr] | Dec 12 02:21:52.743 INFO [stderr] 72 | let mut count = 0; Dec 12 02:21:52.743 INFO [stderr] | ^^^^^ Dec 12 02:21:52.743 INFO [stderr] | Dec 12 02:21:52.743 INFO [stderr] = note: consider using `_count` instead Dec 12 02:21:52.743 INFO [stderr] Dec 12 02:21:52.748 INFO [stderr] warning: value assigned to `count` is never read Dec 12 02:21:52.748 INFO [stderr] --> src/chapter6/bin/main.rs:76:9 Dec 12 02:21:52.748 INFO [stderr] | Dec 12 02:21:52.748 INFO [stderr] 76 | count += 1; Dec 12 02:21:52.748 INFO [stderr] | ^^^^^ Dec 12 02:21:52.748 INFO [stderr] | Dec 12 02:21:52.748 INFO [stderr] = note: #[warn(unused_assignments)] on by default Dec 12 02:21:52.748 INFO [stderr] Dec 12 02:21:52.768 INFO [stderr] warning: variant is never constructed: `Quit` Dec 12 02:21:52.768 INFO [stderr] --> src/chapter6/bin/main.rs:94:5 Dec 12 02:21:52.768 INFO [stderr] | Dec 12 02:21:52.768 INFO [stderr] 94 | Quit, Dec 12 02:21:52.768 INFO [stderr] | ^^^^ Dec 12 02:21:52.768 INFO [stderr] | Dec 12 02:21:52.768 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:52.768 INFO [stderr] Dec 12 02:21:52.768 INFO [stderr] warning: variant is never constructed: `Move` Dec 12 02:21:52.768 INFO [stderr] --> src/chapter6/bin/main.rs:95:5 Dec 12 02:21:52.768 INFO [stderr] | Dec 12 02:21:52.768 INFO [stderr] 95 | Move { x: i32, y: i32 }, Dec 12 02:21:52.768 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:52.768 INFO [stderr] Dec 12 02:21:52.768 INFO [stderr] warning: variant is never constructed: `ChangeColor` Dec 12 02:21:52.768 INFO [stderr] --> src/chapter6/bin/main.rs:97:5 Dec 12 02:21:52.768 INFO [stderr] | Dec 12 02:21:52.768 INFO [stderr] 97 | ChangeColor(i32, i32, i32), Dec 12 02:21:52.768 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:52.768 INFO [stderr] Dec 12 02:21:52.768 INFO [stderr] warning: variant is never constructed: `Alaska` Dec 12 02:21:52.769 INFO [stderr] --> src/chapter6/bin/main.rs:115:5 Dec 12 02:21:52.769 INFO [stderr] | Dec 12 02:21:52.769 INFO [stderr] 115 | Alaska, Dec 12 02:21:52.769 INFO [stderr] | ^^^^^^ Dec 12 02:21:52.769 INFO [stderr] Dec 12 02:21:52.769 INFO [stderr] warning: variant is never constructed: `Nickel` Dec 12 02:21:52.769 INFO [stderr] --> src/chapter6/bin/main.rs:121:5 Dec 12 02:21:52.769 INFO [stderr] | Dec 12 02:21:52.769 INFO [stderr] 121 | Nickel, Dec 12 02:21:52.769 INFO [stderr] | ^^^^^^ Dec 12 02:21:52.769 INFO [stderr] Dec 12 02:21:52.824 INFO [stderr] warning: function is never used: `max_ch` Dec 12 02:21:52.824 INFO [stderr] --> src/generics/bin/main.rs:51:1 Dec 12 02:21:52.824 INFO [stderr] | Dec 12 02:21:52.824 INFO [stderr] 51 | fn max_ch(list: &[char]) -> Option { Dec 12 02:21:52.824 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:52.824 INFO [stderr] | Dec 12 02:21:52.824 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:52.824 INFO [stderr] Dec 12 02:21:52.920 INFO [stderr] warning: unnecessary parentheses around assigned value Dec 12 02:21:52.920 INFO [stderr] --> src/collections/bin/main.rs:181:14 Dec 12 02:21:52.920 INFO [stderr] | Dec 12 02:21:52.920 INFO [stderr] 181 | t += (*i as f32); Dec 12 02:21:52.920 INFO [stderr] | ^^^^^^^^^^^ help: remove these parentheses Dec 12 02:21:52.920 INFO [stderr] | Dec 12 02:21:52.920 INFO [stderr] = note: #[warn(unused_parens)] on by default Dec 12 02:21:52.920 INFO [stderr] Dec 12 02:21:53.018 INFO [stderr] warning: unused variable: `black` Dec 12 02:21:53.018 INFO [stderr] --> src/chapter5/bin/main.rs:23:9 Dec 12 02:21:53.018 INFO [stderr] | Dec 12 02:21:53.018 INFO [stderr] 23 | let black = Color(0, 0, 0); Dec 12 02:21:53.018 INFO [stderr] | ^^^^^ help: consider using `_black` instead Dec 12 02:21:53.018 INFO [stderr] | Dec 12 02:21:53.018 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:53.018 INFO [stderr] Dec 12 02:21:53.018 INFO [stderr] warning: unused variable: `origin` Dec 12 02:21:53.019 INFO [stderr] --> src/chapter5/bin/main.rs:24:9 Dec 12 02:21:53.019 INFO [stderr] | Dec 12 02:21:53.019 INFO [stderr] 24 | let origin = Point(0, 0, 0); Dec 12 02:21:53.019 INFO [stderr] | ^^^^^^ help: consider using `_origin` instead Dec 12 02:21:53.019 INFO [stderr] Dec 12 02:21:53.043 INFO [stderr] warning: function is never used: `build_user` Dec 12 02:21:53.043 INFO [stderr] --> src/chapter5/bin/main.rs:103:1 Dec 12 02:21:53.043 INFO [stderr] | Dec 12 02:21:53.044 INFO [stderr] 103 | fn build_user(email: String, username: String) -> User { Dec 12 02:21:53.044 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 12 02:21:53.044 INFO [stderr] | Dec 12 02:21:53.044 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 12 02:21:53.044 INFO [stderr] Dec 12 02:21:53.124 INFO [stderr] warning: unused variable: `s1` Dec 12 02:21:53.124 INFO [stderr] --> src/collections/bin/main.rs:99:9 Dec 12 02:21:53.124 INFO [stderr] | Dec 12 02:21:53.124 INFO [stderr] 99 | let s1 = String::from("hello"); Dec 12 02:21:53.124 INFO [stderr] | ^^ help: consider using `_s1` instead Dec 12 02:21:53.124 INFO [stderr] | Dec 12 02:21:53.124 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 12 02:21:53.124 INFO [stderr] Dec 12 02:21:53.128 INFO [stderr] warning: unused variable: `scores` Dec 12 02:21:53.128 INFO [stderr] --> src/collections/bin/main.rs:143:9 Dec 12 02:21:53.128 INFO [stderr] | Dec 12 02:21:53.128 INFO [stderr] 143 | let scores: HashMap<_, _> = zipped.collect(); Dec 12 02:21:53.128 INFO [stderr] | ^^^^^^ help: consider using `_scores` instead Dec 12 02:21:53.128 INFO [stderr] Dec 12 02:21:53.164 INFO [stderr] warning: variable does not need to be mutable Dec 12 02:21:53.164 INFO [stderr] --> src/collections/bin/main.rs:56:9 Dec 12 02:21:53.164 INFO [stderr] | Dec 12 02:21:53.164 INFO [stderr] 56 | let mut s = String::new(); Dec 12 02:21:53.164 INFO [stderr] | ----^ Dec 12 02:21:53.164 INFO [stderr] | | Dec 12 02:21:53.164 INFO [stderr] | help: remove this `mut` Dec 12 02:21:53.164 INFO [stderr] | Dec 12 02:21:53.164 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 12 02:21:53.164 INFO [stderr] Dec 12 02:21:53.200 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.55s Dec 12 02:21:53.204 INFO [stderr] su: No module specific data is present Dec 12 02:21:53.873 INFO running `"docker" "inspect" "3be1cef5b967e0fd374adf6e7830dc5b97ef91fc5c2afd29c215337637f48137"` Dec 12 02:21:54.222 INFO running `"docker" "rm" "-f" "3be1cef5b967e0fd374adf6e7830dc5b97ef91fc5c2afd29c215337637f48137"` Dec 12 02:21:54.441 INFO [stdout] 3be1cef5b967e0fd374adf6e7830dc5b97ef91fc5c2afd29c215337637f48137