Dec 12 02:21:40.546 INFO checking ICimpoes/rusty-train against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 02:21:40.546 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 02:21:41.026 INFO [stdout] 8f27d9d3585ce12a08fdd2d6cb90ba9533e6bee670cc62d86e2c87028dc80bcb
Dec 12 02:21:41.028 INFO running `"docker" "start" "-a" "8f27d9d3585ce12a08fdd2d6cb90ba9533e6bee670cc62d86e2c87028dc80bcb"`
Dec 12 02:21:42.227 INFO [stderr] usermod: no changes
Dec 12 02:21:42.315 INFO [stderr]     Checking rusty-train v0.1.0 (/source)
Dec 12 02:21:42.844 INFO [stderr] warning: function is never used: `middle_function`
Dec 12 02:21:42.844 INFO [stderr]  --> src/communicator/lib/mod.rs:6:5
Dec 12 02:21:42.844 INFO [stderr]   |
Dec 12 02:21:42.844 INFO [stderr] 6 |     pub fn middle_function() {
Dec 12 02:21:42.844 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:42.844 INFO [stderr]   |
Dec 12 02:21:42.844 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 02:21:42.844 INFO [stderr] 
Dec 12 02:21:42.844 INFO [stderr] warning: function is never used: `middle_secret_function`
Dec 12 02:21:42.844 INFO [stderr]   --> src/communicator/lib/mod.rs:10:5
Dec 12 02:21:42.844 INFO [stderr]    |
Dec 12 02:21:42.844 INFO [stderr] 10 |     fn middle_secret_function() {
Dec 12 02:21:42.845 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:42.845 INFO [stderr] 
Dec 12 02:21:42.845 INFO [stderr] warning: function is never used: `inner_function`
Dec 12 02:21:42.845 INFO [stderr]   --> src/communicator/lib/mod.rs:17:9
Dec 12 02:21:42.845 INFO [stderr]    |
Dec 12 02:21:42.845 INFO [stderr] 17 |         pub fn inner_function() {}
Dec 12 02:21:42.845 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:42.845 INFO [stderr] 
Dec 12 02:21:42.846 INFO [stderr] warning: function is never used: `secret_function`
Dec 12 02:21:42.846 INFO [stderr]   --> src/communicator/lib/mod.rs:19:9
Dec 12 02:21:42.846 INFO [stderr]    |
Dec 12 02:21:42.846 INFO [stderr] 19 |         fn secret_function() {
Dec 12 02:21:42.846 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:42.846 INFO [stderr] 
Dec 12 02:21:42.846 INFO [stderr] warning: function is never used: `inner_function`
Dec 12 02:21:42.846 INFO [stderr]   --> src/communicator/lib/mod.rs:26:13
Dec 12 02:21:42.847 INFO [stderr]    |
Dec 12 02:21:42.847 INFO [stderr] 26 |             pub fn inner_function() {
Dec 12 02:21:42.847 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:42.847 INFO [stderr] 
Dec 12 02:21:42.847 INFO [stderr] warning: function is never used: `try_me`
Dec 12 02:21:42.847 INFO [stderr]   --> src/communicator/lib/mod.rs:56:1
Dec 12 02:21:42.847 INFO [stderr]    |
Dec 12 02:21:42.847 INFO [stderr] 56 | fn try_me() {
Dec 12 02:21:42.847 INFO [stderr]    | ^^^^^^^^^^^
Dec 12 02:21:42.847 INFO [stderr] 
Dec 12 02:21:42.847 INFO [stderr] warning: function is never used: `prints_and_returns_10`
Dec 12 02:21:42.847 INFO [stderr]   --> src/communicator/lib/mod.rs:89:1
Dec 12 02:21:42.847 INFO [stderr]    |
Dec 12 02:21:42.847 INFO [stderr] 89 | fn prints_and_returns_10(a: i32) -> i32 {
Dec 12 02:21:42.847 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:42.847 INFO [stderr] 
Dec 12 02:21:43.538 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 12 02:21:43.538 INFO [stderr]    --> src/collections/bin/main.rs:181:14
Dec 12 02:21:43.538 INFO [stderr]     |
Dec 12 02:21:43.538 INFO [stderr] 181 |         t += (*i as f32);
Dec 12 02:21:43.538 INFO [stderr]     |              ^^^^^^^^^^^ help: remove these parentheses
Dec 12 02:21:43.538 INFO [stderr]     |
Dec 12 02:21:43.538 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 02:21:43.538 INFO [stderr] 
Dec 12 02:21:43.664 INFO [stderr] warning: function is never used: `middle_function`
Dec 12 02:21:43.664 INFO [stderr]  --> src/communicator/lib/mod.rs:6:5
Dec 12 02:21:43.664 INFO [stderr]   |
Dec 12 02:21:43.664 INFO [stderr] 6 |     pub fn middle_function() {
Dec 12 02:21:43.664 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:43.664 INFO [stderr]   |
Dec 12 02:21:43.664 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 12 02:21:43.664 INFO [stderr] 
Dec 12 02:21:43.664 INFO [stderr] warning: function is never used: `middle_secret_function`
Dec 12 02:21:43.664 INFO [stderr]   --> src/communicator/lib/mod.rs:10:5
Dec 12 02:21:43.664 INFO [stderr]    |
Dec 12 02:21:43.664 INFO [stderr] 10 |     fn middle_secret_function() {
Dec 12 02:21:43.664 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:43.664 INFO [stderr] 
Dec 12 02:21:43.664 INFO [stderr] warning: function is never used: `inner_function`
Dec 12 02:21:43.664 INFO [stderr]   --> src/communicator/lib/mod.rs:17:9
Dec 12 02:21:43.664 INFO [stderr]    |
Dec 12 02:21:43.664 INFO [stderr] 17 |         pub fn inner_function() {}
Dec 12 02:21:43.664 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:43.664 INFO [stderr] 
Dec 12 02:21:43.664 INFO [stderr] warning: function is never used: `secret_function`
Dec 12 02:21:43.664 INFO [stderr]   --> src/communicator/lib/mod.rs:19:9
Dec 12 02:21:43.664 INFO [stderr]    |
Dec 12 02:21:43.664 INFO [stderr] 19 |         fn secret_function() {
Dec 12 02:21:43.664 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:43.664 INFO [stderr] 
Dec 12 02:21:43.664 INFO [stderr] warning: function is never used: `inner_function`
Dec 12 02:21:43.664 INFO [stderr]   --> src/communicator/lib/mod.rs:26:13
Dec 12 02:21:43.665 INFO [stderr]    |
Dec 12 02:21:43.665 INFO [stderr] 26 |             pub fn inner_function() {
Dec 12 02:21:43.665 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:43.665 INFO [stderr] 
Dec 12 02:21:43.665 INFO [stderr] warning: function is never used: `try_me`
Dec 12 02:21:43.665 INFO [stderr]   --> src/communicator/lib/mod.rs:56:1
Dec 12 02:21:43.665 INFO [stderr]    |
Dec 12 02:21:43.665 INFO [stderr] 56 | fn try_me() {
Dec 12 02:21:43.665 INFO [stderr]    | ^^^^^^^^^^^
Dec 12 02:21:43.665 INFO [stderr] 
Dec 12 02:21:43.758 INFO [stderr] warning: unused variable: `black`
Dec 12 02:21:43.758 INFO [stderr]    --> src/chapter3/bin/main.rs:107:9
Dec 12 02:21:43.758 INFO [stderr]     |
Dec 12 02:21:43.758 INFO [stderr] 107 |     let black = Color(0, 0, 0);
Dec 12 02:21:43.758 INFO [stderr]     |         ^^^^^ help: consider using `_black` instead
Dec 12 02:21:43.758 INFO [stderr]     |
Dec 12 02:21:43.758 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 02:21:43.758 INFO [stderr] 
Dec 12 02:21:43.758 INFO [stderr] warning: unused variable: `origin`
Dec 12 02:21:43.758 INFO [stderr]    --> src/chapter3/bin/main.rs:108:9
Dec 12 02:21:43.758 INFO [stderr]     |
Dec 12 02:21:43.758 INFO [stderr] 108 |     let origin = Point(0, 0, 0);
Dec 12 02:21:43.758 INFO [stderr]     |         ^^^^^^ help: consider using `_origin` instead
Dec 12 02:21:43.758 INFO [stderr] 
Dec 12 02:21:43.812 INFO [stderr] warning: unused variable: `s1`
Dec 12 02:21:43.812 INFO [stderr]   --> src/collections/bin/main.rs:99:9
Dec 12 02:21:43.812 INFO [stderr]    |
Dec 12 02:21:43.812 INFO [stderr] 99 |     let s1 = String::from("hello");
Dec 12 02:21:43.812 INFO [stderr]    |         ^^ help: consider using `_s1` instead
Dec 12 02:21:43.813 INFO [stderr]    |
Dec 12 02:21:43.813 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 02:21:43.813 INFO [stderr] 
Dec 12 02:21:43.813 INFO [stderr] warning: unused variable: `scores`
Dec 12 02:21:43.813 INFO [stderr]    --> src/collections/bin/main.rs:143:9
Dec 12 02:21:43.813 INFO [stderr]     |
Dec 12 02:21:43.813 INFO [stderr] 143 |     let scores: HashMap<_, _> = zipped.collect();
Dec 12 02:21:43.813 INFO [stderr]     |         ^^^^^^ help: consider using `_scores` instead
Dec 12 02:21:43.813 INFO [stderr] 
Dec 12 02:21:43.848 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:21:43.848 INFO [stderr]   --> src/collections/bin/main.rs:56:9
Dec 12 02:21:43.848 INFO [stderr]    |
Dec 12 02:21:43.848 INFO [stderr] 56 |     let mut s = String::new();
Dec 12 02:21:43.848 INFO [stderr]    |         ----^
Dec 12 02:21:43.848 INFO [stderr]    |         |
Dec 12 02:21:43.848 INFO [stderr]    |         help: remove this `mut`
Dec 12 02:21:43.848 INFO [stderr]    |
Dec 12 02:21:43.848 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 02:21:43.848 INFO [stderr] 
Dec 12 02:21:43.854 INFO [stderr] warning: function is never used: `gives_ownership`
Dec 12 02:21:43.854 INFO [stderr]    --> src/chapter3/bin/main.rs:119:1
Dec 12 02:21:43.854 INFO [stderr]     |
Dec 12 02:21:43.854 INFO [stderr] 119 | fn gives_ownership() -> String {
Dec 12 02:21:43.854 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:43.854 INFO [stderr]     |
Dec 12 02:21:43.854 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 02:21:43.854 INFO [stderr] 
Dec 12 02:21:43.854 INFO [stderr] warning: function is never used: `takes_and_gives_back`
Dec 12 02:21:43.854 INFO [stderr]    --> src/chapter3/bin/main.rs:124:1
Dec 12 02:21:43.854 INFO [stderr]     |
Dec 12 02:21:43.854 INFO [stderr] 124 | fn takes_and_gives_back(a_string: String) -> String {
Dec 12 02:21:43.854 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:43.854 INFO [stderr] 
Dec 12 02:21:43.854 INFO [stderr] warning: function is never used: `no_dangle`
Dec 12 02:21:43.854 INFO [stderr]    --> src/chapter3/bin/main.rs:149:1
Dec 12 02:21:43.854 INFO [stderr]     |
Dec 12 02:21:43.854 INFO [stderr] 149 | fn no_dangle() -> String {
Dec 12 02:21:43.854 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:43.854 INFO [stderr] 
Dec 12 02:21:43.854 INFO [stderr] warning: function is never used: `build_user`
Dec 12 02:21:43.854 INFO [stderr]    --> src/chapter3/bin/main.rs:187:1
Dec 12 02:21:43.854 INFO [stderr]     |
Dec 12 02:21:43.854 INFO [stderr] 187 | fn build_user(email: String, username: String) -> User {
Dec 12 02:21:43.854 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:43.854 INFO [stderr] 
Dec 12 02:21:44.421 INFO [stderr] warning: unused variable: `t`
Dec 12 02:21:44.422 INFO [stderr]   --> src/traits/bin/main.rs:83:24
Dec 12 02:21:44.422 INFO [stderr]    |
Dec 12 02:21:44.422 INFO [stderr] 83 | fn some_function<T, U>(t: T, u: U) -> i32
Dec 12 02:21:44.422 INFO [stderr]    |                        ^ help: consider using `_t` instead
Dec 12 02:21:44.422 INFO [stderr]    |
Dec 12 02:21:44.422 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 02:21:44.422 INFO [stderr] 
Dec 12 02:21:44.422 INFO [stderr] warning: unused variable: `u`
Dec 12 02:21:44.422 INFO [stderr]   --> src/traits/bin/main.rs:83:30
Dec 12 02:21:44.422 INFO [stderr]    |
Dec 12 02:21:44.422 INFO [stderr] 83 | fn some_function<T, U>(t: T, u: U) -> i32
Dec 12 02:21:44.422 INFO [stderr]    |                              ^ help: consider using `_u` instead
Dec 12 02:21:44.422 INFO [stderr] 
Dec 12 02:21:44.470 INFO [stderr] warning: function is never used: `some_function`
Dec 12 02:21:44.470 INFO [stderr]   --> src/traits/bin/main.rs:83:1
Dec 12 02:21:44.470 INFO [stderr]    |
Dec 12 02:21:44.470 INFO [stderr] 83 | / fn some_function<T, U>(t: T, u: U) -> i32
Dec 12 02:21:44.470 INFO [stderr] 84 | |     where T: std::fmt::Display + Clone,
Dec 12 02:21:44.470 INFO [stderr] 85 | |           U: Clone + std::fmt::Debug {
Dec 12 02:21:44.470 INFO [stderr] 86 | |     1
Dec 12 02:21:44.470 INFO [stderr] 87 | | }
Dec 12 02:21:44.470 INFO [stderr]    | |_^
Dec 12 02:21:44.470 INFO [stderr]    |
Dec 12 02:21:44.470 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:21:44.470 INFO [stderr] 
Dec 12 02:21:44.470 INFO [stderr] warning: struct is never constructed: `Pair`
Dec 12 02:21:44.470 INFO [stderr]   --> src/traits/bin/main.rs:92:1
Dec 12 02:21:44.470 INFO [stderr]    |
Dec 12 02:21:44.470 INFO [stderr] 92 | struct Pair<T> {
Dec 12 02:21:44.470 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 12 02:21:44.470 INFO [stderr] 
Dec 12 02:21:44.471 INFO [stderr] warning: method is never used: `new`
Dec 12 02:21:44.471 INFO [stderr]   --> src/traits/bin/main.rs:98:5
Dec 12 02:21:44.471 INFO [stderr]    |
Dec 12 02:21:44.471 INFO [stderr] 98 |     fn new(x: T, y: T) -> Self {
Dec 12 02:21:44.471 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:44.471 INFO [stderr] 
Dec 12 02:21:44.471 INFO [stderr] warning: method is never used: `cmp_display`
Dec 12 02:21:44.471 INFO [stderr]    --> src/traits/bin/main.rs:107:5
Dec 12 02:21:44.471 INFO [stderr]     |
Dec 12 02:21:44.471 INFO [stderr] 107 |     fn cmp_display(&self) {
Dec 12 02:21:44.471 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:44.471 INFO [stderr] 
Dec 12 02:21:44.484 INFO [stderr] warning: unused variable: `s`
Dec 12 02:21:44.484 INFO [stderr]  --> src/lifetimes/bin/main.rs:5:13
Dec 12 02:21:44.484 INFO [stderr]   |
Dec 12 02:21:44.484 INFO [stderr] 5 |         let s: &'static str = "asdsa";
Dec 12 02:21:44.484 INFO [stderr]   |             ^ help: consider using `_s` instead
Dec 12 02:21:44.496 INFO [stderr]   |
Dec 12 02:21:44.496 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 02:21:44.496 INFO [stderr] 
Dec 12 02:21:44.496 INFO [stderr] warning: unused variable: `y`
Dec 12 02:21:44.496 INFO [stderr]   --> src/lifetimes/bin/main.rs:40:29
Dec 12 02:21:44.496 INFO [stderr]    |
Dec 12 02:21:44.496 INFO [stderr] 40 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str {
Dec 12 02:21:44.496 INFO [stderr]    |                             ^ help: consider using `_y` instead
Dec 12 02:21:44.496 INFO [stderr] 
Dec 12 02:21:44.496 INFO [stderr] warning: unused variable: `y`
Dec 12 02:21:44.496 INFO [stderr]   --> src/lifetimes/bin/main.rs:44:29
Dec 12 02:21:44.496 INFO [stderr]    |
Dec 12 02:21:44.496 INFO [stderr] 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str {
Dec 12 02:21:44.496 INFO [stderr]    |                             ^ help: consider using `_y` instead
Dec 12 02:21:44.496 INFO [stderr] 
Dec 12 02:21:44.528 INFO [stderr] warning: function is never used: `longest3`
Dec 12 02:21:44.528 INFO [stderr]   --> src/lifetimes/bin/main.rs:44:1
Dec 12 02:21:44.528 INFO [stderr]    |
Dec 12 02:21:44.528 INFO [stderr] 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str {
Dec 12 02:21:44.528 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:44.528 INFO [stderr]    |
Dec 12 02:21:44.528 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:21:44.528 INFO [stderr] 
Dec 12 02:21:44.528 INFO [stderr] warning: field is never used: `a`
Dec 12 02:21:44.528 INFO [stderr]   --> src/lifetimes/bin/main.rs:50:5
Dec 12 02:21:44.528 INFO [stderr]    |
Dec 12 02:21:44.528 INFO [stderr] 50 |     a: String,
Dec 12 02:21:44.528 INFO [stderr]    |     ^^^^^^^^^
Dec 12 02:21:44.528 INFO [stderr] 
Dec 12 02:21:44.528 INFO [stderr] warning: method is never used: `level`
Dec 12 02:21:44.528 INFO [stderr]   --> src/lifetimes/bin/main.rs:54:5
Dec 12 02:21:44.528 INFO [stderr]    |
Dec 12 02:21:44.528 INFO [stderr] 54 |     fn level(&self) -> i32 {
Dec 12 02:21:44.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:44.528 INFO [stderr] 
Dec 12 02:21:44.528 INFO [stderr] warning: method is never used: `a`
Dec 12 02:21:44.528 INFO [stderr]   --> src/lifetimes/bin/main.rs:60:5
Dec 12 02:21:44.528 INFO [stderr]    |
Dec 12 02:21:44.528 INFO [stderr] 60 |     fn a(&self) -> &str {
Dec 12 02:21:44.528 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:44.528 INFO [stderr] 
Dec 12 02:21:44.528 INFO [stderr] warning: function is never used: `longest_with_an_announcement`
Dec 12 02:21:44.528 INFO [stderr]   --> src/lifetimes/bin/main.rs:67:1
Dec 12 02:21:44.528 INFO [stderr]    |
Dec 12 02:21:44.528 INFO [stderr] 67 | / fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
Dec 12 02:21:44.528 INFO [stderr] 68 | |     where T: Display
Dec 12 02:21:44.528 INFO [stderr] 69 | | {
Dec 12 02:21:44.528 INFO [stderr] 70 | |     println!("Announcement! {}", ann);
Dec 12 02:21:44.528 INFO [stderr] ...  |
Dec 12 02:21:44.529 INFO [stderr] 75 | |     }
Dec 12 02:21:44.529 INFO [stderr] 76 | | }
Dec 12 02:21:44.529 INFO [stderr]    | |_^
Dec 12 02:21:44.529 INFO [stderr] 
Dec 12 02:21:44.608 INFO [stderr] warning: unused variable: `black`
Dec 12 02:21:44.608 INFO [stderr]   --> src/chapter5/bin/main.rs:23:9
Dec 12 02:21:44.608 INFO [stderr]    |
Dec 12 02:21:44.608 INFO [stderr] 23 |     let black = Color(0, 0, 0);
Dec 12 02:21:44.608 INFO [stderr]    |         ^^^^^ help: consider using `_black` instead
Dec 12 02:21:44.608 INFO [stderr]    |
Dec 12 02:21:44.608 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 02:21:44.608 INFO [stderr] 
Dec 12 02:21:44.608 INFO [stderr] warning: unused variable: `origin`
Dec 12 02:21:44.608 INFO [stderr]   --> src/chapter5/bin/main.rs:24:9
Dec 12 02:21:44.608 INFO [stderr]    |
Dec 12 02:21:44.608 INFO [stderr] 24 |     let origin = Point(0, 0, 0);
Dec 12 02:21:44.608 INFO [stderr]    |         ^^^^^^ help: consider using `_origin` instead
Dec 12 02:21:44.608 INFO [stderr] 
Dec 12 02:21:44.649 INFO [stderr] warning: function is never used: `build_user`
Dec 12 02:21:44.649 INFO [stderr]    --> src/chapter5/bin/main.rs:103:1
Dec 12 02:21:44.649 INFO [stderr]     |
Dec 12 02:21:44.649 INFO [stderr] 103 | fn build_user(email: String, username: String) -> User {
Dec 12 02:21:44.649 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:44.685 INFO [stderr]     |
Dec 12 02:21:44.685 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 02:21:44.685 INFO [stderr] 
Dec 12 02:21:44.874 INFO [stderr] warning: unused imports: `Red`, `Yellow`
Dec 12 02:21:44.874 INFO [stderr]  --> src/chapter7/bin/main.rs:3:34
Dec 12 02:21:44.874 INFO [stderr]   |
Dec 12 02:21:44.874 INFO [stderr] 3 | use communicator::TrafficLight::{Red, Yellow};
Dec 12 02:21:44.874 INFO [stderr]   |                                  ^^^  ^^^^^^
Dec 12 02:21:44.876 INFO [stderr]   |
Dec 12 02:21:44.877 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 02:21:44.877 INFO [stderr] 
Dec 12 02:21:44.962 INFO [stderr] warning: function is never used: `max_ch`
Dec 12 02:21:44.962 INFO [stderr]   --> src/generics/bin/main.rs:51:1
Dec 12 02:21:44.962 INFO [stderr]    |
Dec 12 02:21:44.962 INFO [stderr] 51 | fn max_ch(list: &[char]) -> Option<char> {
Dec 12 02:21:44.962 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:44.962 INFO [stderr]    |
Dec 12 02:21:44.962 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:21:44.962 INFO [stderr] 
Dec 12 02:21:44.972 INFO [stderr] warning: unused variable: `red`
Dec 12 02:21:44.972 INFO [stderr]  --> src/chapter7/bin/main.rs:8:9
Dec 12 02:21:44.972 INFO [stderr]   |
Dec 12 02:21:44.972 INFO [stderr] 8 |     let red = Red;
Dec 12 02:21:44.972 INFO [stderr]   |         ^^^ help: consider using `_red` instead
Dec 12 02:21:44.976 INFO [stderr]   |
Dec 12 02:21:44.976 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 02:21:44.976 INFO [stderr] 
Dec 12 02:21:44.976 INFO [stderr] warning: unused variable: `yellow`
Dec 12 02:21:44.976 INFO [stderr]  --> src/chapter7/bin/main.rs:9:9
Dec 12 02:21:44.977 INFO [stderr]   |
Dec 12 02:21:44.977 INFO [stderr] 9 |     let yellow = Yellow;
Dec 12 02:21:44.977 INFO [stderr]   |         ^^^^^^ help: consider using `_yellow` instead
Dec 12 02:21:44.977 INFO [stderr] 
Dec 12 02:21:44.980 INFO [stderr] warning: unused variable: `green`
Dec 12 02:21:44.980 INFO [stderr]   --> src/chapter7/bin/main.rs:10:9
Dec 12 02:21:44.980 INFO [stderr]    |
Dec 12 02:21:44.980 INFO [stderr] 10 |     let green = communicator::TrafficLight::Green;
Dec 12 02:21:44.980 INFO [stderr]    |         ^^^^^ help: consider using `_green` instead
Dec 12 02:21:44.980 INFO [stderr] 
Dec 12 02:21:44.988 INFO [stderr] warning: unused variable: `green`
Dec 12 02:21:44.988 INFO [stderr]   --> src/chapter7/bin/main.rs:14:9
Dec 12 02:21:44.988 INFO [stderr]    |
Dec 12 02:21:44.988 INFO [stderr] 14 |     let green = Green;
Dec 12 02:21:44.988 INFO [stderr]    |         ^^^^^ help: consider using `_green` instead
Dec 12 02:21:44.988 INFO [stderr] 
Dec 12 02:21:45.796 INFO [stderr] warning: unused variable: `s`
Dec 12 02:21:45.796 INFO [stderr]  --> src/lifetimes/bin/main.rs:5:13
Dec 12 02:21:45.796 INFO [stderr]   |
Dec 12 02:21:45.796 INFO [stderr] 5 |         let s: &'static str = "asdsa";
Dec 12 02:21:45.796 INFO [stderr]   |             ^ help: consider using `_s` instead
Dec 12 02:21:45.796 INFO [stderr]   |
Dec 12 02:21:45.796 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 02:21:45.796 INFO [stderr] 
Dec 12 02:21:45.796 INFO [stderr] warning: unused variable: `y`
Dec 12 02:21:45.796 INFO [stderr]   --> src/lifetimes/bin/main.rs:40:29
Dec 12 02:21:45.796 INFO [stderr]    |
Dec 12 02:21:45.796 INFO [stderr] 40 | fn longest2<'a>(x: &'a str, y: &str) -> &'a str {
Dec 12 02:21:45.796 INFO [stderr]    |                             ^ help: consider using `_y` instead
Dec 12 02:21:45.796 INFO [stderr] 
Dec 12 02:21:45.796 INFO [stderr] warning: unused variable: `y`
Dec 12 02:21:45.796 INFO [stderr]   --> src/lifetimes/bin/main.rs:44:29
Dec 12 02:21:45.796 INFO [stderr]    |
Dec 12 02:21:45.796 INFO [stderr] 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str {
Dec 12 02:21:45.796 INFO [stderr]    |                             ^ help: consider using `_y` instead
Dec 12 02:21:45.796 INFO [stderr] 
Dec 12 02:21:45.828 INFO [stderr] warning: unused variable: `v`
Dec 12 02:21:45.828 INFO [stderr]  --> src/errors/bin/main.rs:5:9
Dec 12 02:21:45.828 INFO [stderr]   |
Dec 12 02:21:45.828 INFO [stderr] 5 |     let v = vec![1, 2, 3];
Dec 12 02:21:45.828 INFO [stderr]   |         ^ help: consider using `_v` instead
Dec 12 02:21:45.836 INFO [stderr]   |
Dec 12 02:21:45.836 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 02:21:45.836 INFO [stderr] 
Dec 12 02:21:45.836 INFO [stderr] warning: unused variable: `f`
Dec 12 02:21:45.836 INFO [stderr]   --> src/errors/bin/main.rs:23:9
Dec 12 02:21:45.836 INFO [stderr]    |
Dec 12 02:21:45.836 INFO [stderr] 23 |     let f = match f {
Dec 12 02:21:45.836 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 12 02:21:45.836 INFO [stderr] 
Dec 12 02:21:45.848 INFO [stderr] warning: function is never used: `longest3`
Dec 12 02:21:45.848 INFO [stderr]   --> src/lifetimes/bin/main.rs:44:1
Dec 12 02:21:45.848 INFO [stderr]    |
Dec 12 02:21:45.848 INFO [stderr] 44 | fn longest3<'a>(x: &'a str, y: &str) -> &'a str {
Dec 12 02:21:45.848 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:45.848 INFO [stderr] warning: function is never used: `read_username_from_file`
Dec 12 02:21:45.848 INFO [stderr]   --> src/errors/bin/main.rs:44:1
Dec 12 02:21:45.848 INFO [stderr]    |
Dec 12 02:21:45.848 INFO [stderr] 44 | fn read_username_from_file() -> Result<String, io::Error> {
Dec 12 02:21:45.848 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:45.856 INFO [stderr]    |
Dec 12 02:21:45.856 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:21:45.856 INFO [stderr] 
Dec 12 02:21:45.856 INFO [stderr] warning: function is never used: `read_username_from_file2`
Dec 12 02:21:45.856 INFO [stderr]   --> src/errors/bin/main.rs:60:1
Dec 12 02:21:45.856 INFO [stderr]    |
Dec 12 02:21:45.856 INFO [stderr] 60 | fn read_username_from_file2() -> Result<String, io::Error> {
Dec 12 02:21:45.856 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:45.856 INFO [stderr] 
Dec 12 02:21:45.864 INFO [stderr] warning: function `openFile` should have a snake case name such as `open_file`
Dec 12 02:21:45.864 INFO [stderr]   --> src/errors/bin/main.rs:20:1
Dec 12 02:21:45.864 INFO [stderr]    |
Dec 12 02:21:45.864 INFO [stderr] 20 | / fn openFile() {
Dec 12 02:21:45.864 INFO [stderr] 21 | |     let f = File::open("hello.txt");
Dec 12 02:21:45.864 INFO [stderr] 22 | |
Dec 12 02:21:45.864 INFO [stderr] 23 | |     let f = match f {
Dec 12 02:21:45.864 INFO [stderr] ...  |
Dec 12 02:21:45.864 INFO [stderr] 40 | |     };
Dec 12 02:21:45.864 INFO [stderr] 41 | | }
Dec 12 02:21:45.864 INFO [stderr]    | |_^
Dec 12 02:21:45.864 INFO [stderr]    |
Dec 12 02:21:45.864 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 12 02:21:45.864 INFO [stderr] 
Dec 12 02:21:45.876 INFO [stderr]    |
Dec 12 02:21:45.876 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:21:45.876 INFO [stderr] 
Dec 12 02:21:45.876 INFO [stderr] warning: field is never used: `a`
Dec 12 02:21:45.876 INFO [stderr]   --> src/lifetimes/bin/main.rs:50:5
Dec 12 02:21:45.876 INFO [stderr]    |
Dec 12 02:21:45.876 INFO [stderr] 50 |     a: String,
Dec 12 02:21:45.876 INFO [stderr]    |     ^^^^^^^^^
Dec 12 02:21:45.876 INFO [stderr] 
Dec 12 02:21:45.876 INFO [stderr] warning: method is never used: `level`
Dec 12 02:21:45.876 INFO [stderr]   --> src/lifetimes/bin/main.rs:54:5
Dec 12 02:21:45.876 INFO [stderr]    |
Dec 12 02:21:45.876 INFO [stderr] 54 |     fn level(&self) -> i32 {
Dec 12 02:21:45.876 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:45.876 INFO [stderr] 
Dec 12 02:21:45.876 INFO [stderr] warning: method is never used: `a`
Dec 12 02:21:45.876 INFO [stderr]   --> src/lifetimes/bin/main.rs:60:5
Dec 12 02:21:45.876 INFO [stderr]    |
Dec 12 02:21:45.876 INFO [stderr] 60 |     fn a(&self) -> &str {
Dec 12 02:21:45.876 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:45.876 INFO [stderr] 
Dec 12 02:21:45.876 INFO [stderr] warning: function is never used: `longest_with_an_announcement`
Dec 12 02:21:45.876 INFO [stderr]   --> src/lifetimes/bin/main.rs:67:1
Dec 12 02:21:45.876 INFO [stderr]    |
Dec 12 02:21:45.877 INFO [stderr] 67 | / fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
Dec 12 02:21:45.877 INFO [stderr] 68 | |     where T: Display
Dec 12 02:21:45.877 INFO [stderr] 69 | | {
Dec 12 02:21:45.877 INFO [stderr] 70 | |     println!("Announcement! {}", ann);
Dec 12 02:21:45.877 INFO [stderr] ...  |
Dec 12 02:21:45.877 INFO [stderr] 75 | |     }
Dec 12 02:21:45.877 INFO [stderr] 76 | | }
Dec 12 02:21:45.877 INFO [stderr]    | |_^
Dec 12 02:21:45.877 INFO [stderr] 
Dec 12 02:21:46.096 INFO [stderr] warning: unused variable: `ip_type`
Dec 12 02:21:46.096 INFO [stderr]  --> src/chapter6/bin/main.rs:1:10
Dec 12 02:21:46.096 INFO [stderr]   |
Dec 12 02:21:46.096 INFO [stderr] 1 | fn route(ip_type: IpAddrKind) { }
Dec 12 02:21:46.097 INFO [stderr]   |          ^^^^^^^ help: consider using `_ip_type` instead
Dec 12 02:21:46.097 INFO [stderr]   |
Dec 12 02:21:46.097 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 02:21:46.097 INFO [stderr] 
Dec 12 02:21:46.097 INFO [stderr] warning: unused variable: `x`
Dec 12 02:21:46.097 INFO [stderr]   --> src/chapter6/bin/main.rs:32:35
Dec 12 02:21:46.097 INFO [stderr]    |
Dec 12 02:21:46.097 INFO [stderr] 32 |     let x = some_string.and_then(|x: &str| Some("sf"));
Dec 12 02:21:46.097 INFO [stderr]    |                                   ^ help: consider using `_x` instead
Dec 12 02:21:46.097 INFO [stderr] 
Dec 12 02:21:46.097 INFO [stderr] warning: unused variable: `six`
Dec 12 02:21:46.097 INFO [stderr]   --> src/chapter6/bin/main.rs:11:9
Dec 12 02:21:46.097 INFO [stderr]    |
Dec 12 02:21:46.097 INFO [stderr] 11 |     let six = IpAddrKind::V6;
Dec 12 02:21:46.098 INFO [stderr]    |         ^^^ help: consider using `_six` instead
Dec 12 02:21:46.098 INFO [stderr] 
Dec 12 02:21:46.098 INFO [stderr] warning: unused variable: `home`
Dec 12 02:21:46.098 INFO [stderr]   --> src/chapter6/bin/main.rs:18:9
Dec 12 02:21:46.099 INFO [stderr]    |
Dec 12 02:21:46.099 INFO [stderr] 18 |     let home = IpAddr::V4(String::from("127.0.0.1"));
Dec 12 02:21:46.099 INFO [stderr]    |         ^^^^ help: consider using `_home` instead
Dec 12 02:21:46.099 INFO [stderr] 
Dec 12 02:21:46.100 INFO [stderr] warning: unused variable: `loopback`
Dec 12 02:21:46.100 INFO [stderr]   --> src/chapter6/bin/main.rs:19:9
Dec 12 02:21:46.100 INFO [stderr]    |
Dec 12 02:21:46.100 INFO [stderr] 19 |     let loopback = IpAddr::V6(String::from("::1"));
Dec 12 02:21:46.101 INFO [stderr]    |         ^^^^^^^^ help: consider using `_loopback` instead
Dec 12 02:21:46.101 INFO [stderr] 
Dec 12 02:21:46.101 INFO [stderr] warning: unused variable: `home`
Dec 12 02:21:46.101 INFO [stderr]   --> src/chapter6/bin/main.rs:21:9
Dec 12 02:21:46.102 INFO [stderr]    |
Dec 12 02:21:46.102 INFO [stderr] 21 |     let home = IpAddr2::V4(127, 0, 0, 1);
Dec 12 02:21:46.102 INFO [stderr]    |         ^^^^ help: consider using `_home` instead
Dec 12 02:21:46.102 INFO [stderr] 
Dec 12 02:21:46.103 INFO [stderr] warning: unused variable: `loopback`
Dec 12 02:21:46.103 INFO [stderr]   --> src/chapter6/bin/main.rs:22:9
Dec 12 02:21:46.103 INFO [stderr]    |
Dec 12 02:21:46.103 INFO [stderr] 22 |     let loopback = IpAddr2::V6(String::from("::1"));
Dec 12 02:21:46.104 INFO [stderr]    |         ^^^^^^^^ help: consider using `_loopback` instead
Dec 12 02:21:46.104 INFO [stderr] 
Dec 12 02:21:46.104 INFO [stderr] warning: variable `count` is assigned to, but never used
Dec 12 02:21:46.104 INFO [stderr]   --> src/chapter6/bin/main.rs:72:13
Dec 12 02:21:46.105 INFO [stderr]    |
Dec 12 02:21:46.105 INFO [stderr] 72 |     let mut count = 0;
Dec 12 02:21:46.105 INFO [stderr]    |             ^^^^^
Dec 12 02:21:46.105 INFO [stderr]    |
Dec 12 02:21:46.106 INFO [stderr]    = note: consider using `_count` instead
Dec 12 02:21:46.106 INFO [stderr] 
Dec 12 02:21:46.106 INFO [stderr] warning: value assigned to `count` is never read
Dec 12 02:21:46.106 INFO [stderr]   --> src/chapter6/bin/main.rs:76:9
Dec 12 02:21:46.106 INFO [stderr]    |
Dec 12 02:21:46.107 INFO [stderr] 76 |         count += 1;
Dec 12 02:21:46.107 INFO [stderr]    |         ^^^^^
Dec 12 02:21:46.107 INFO [stderr]    |
Dec 12 02:21:46.107 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 12 02:21:46.108 INFO [stderr] 
Dec 12 02:21:46.200 INFO [stderr] warning: variant is never constructed: `Quit`
Dec 12 02:21:46.200 INFO [stderr]   --> src/chapter6/bin/main.rs:94:5
Dec 12 02:21:46.200 INFO [stderr]    |
Dec 12 02:21:46.200 INFO [stderr] 94 |     Quit,
Dec 12 02:21:46.200 INFO [stderr]    |     ^^^^
Dec 12 02:21:46.228 INFO [stderr]    |
Dec 12 02:21:46.228 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:21:46.228 INFO [stderr] 
Dec 12 02:21:46.228 INFO [stderr] warning: variant is never constructed: `Move`
Dec 12 02:21:46.228 INFO [stderr]   --> src/chapter6/bin/main.rs:95:5
Dec 12 02:21:46.228 INFO [stderr]    |
Dec 12 02:21:46.228 INFO [stderr] 95 |     Move { x: i32, y: i32 },
Dec 12 02:21:46.228 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:46.228 INFO [stderr] 
Dec 12 02:21:46.228 INFO [stderr] warning: variant is never constructed: `ChangeColor`
Dec 12 02:21:46.228 INFO [stderr]   --> src/chapter6/bin/main.rs:97:5
Dec 12 02:21:46.228 INFO [stderr]    |
Dec 12 02:21:46.228 INFO [stderr] 97 |     ChangeColor(i32, i32, i32),
Dec 12 02:21:46.228 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:46.228 INFO [stderr] 
Dec 12 02:21:46.228 INFO [stderr] warning: variant is never constructed: `Alaska`
Dec 12 02:21:46.228 INFO [stderr]    --> src/chapter6/bin/main.rs:115:5
Dec 12 02:21:46.228 INFO [stderr]     |
Dec 12 02:21:46.228 INFO [stderr] 115 |     Alaska,
Dec 12 02:21:46.228 INFO [stderr]     |     ^^^^^^
Dec 12 02:21:46.228 INFO [stderr] 
Dec 12 02:21:46.228 INFO [stderr] warning: variant is never constructed: `Nickel`
Dec 12 02:21:46.229 INFO [stderr]    --> src/chapter6/bin/main.rs:121:5
Dec 12 02:21:46.229 INFO [stderr]     |
Dec 12 02:21:46.229 INFO [stderr] 121 |     Nickel,
Dec 12 02:21:46.229 INFO [stderr]     |     ^^^^^^
Dec 12 02:21:46.229 INFO [stderr] 
Dec 12 02:21:46.897 INFO [stderr] warning: unused variable: `ip_type`
Dec 12 02:21:46.897 INFO [stderr]  --> src/chapter6/bin/main.rs:1:10
Dec 12 02:21:46.897 INFO [stderr]   |
Dec 12 02:21:46.897 INFO [stderr] 1 | fn route(ip_type: IpAddrKind) { }
Dec 12 02:21:46.897 INFO [stderr]   |          ^^^^^^^ help: consider using `_ip_type` instead
Dec 12 02:21:46.897 INFO [stderr]   |
Dec 12 02:21:46.897 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 02:21:46.903 INFO [stderr] warning: unused variable: `v`
Dec 12 02:21:46.903 INFO [stderr]  --> src/errors/bin/main.rs:5:9
Dec 12 02:21:46.904 INFO [stderr]   |
Dec 12 02:21:46.904 INFO [stderr] 5 |     let v = vec![1, 2, 3];
Dec 12 02:21:46.904 INFO [stderr]   |         ^ help: consider using `_v` instead
Dec 12 02:21:46.904 INFO [stderr] 
Dec 12 02:21:46.904 INFO [stderr] warning: unused variable: `x`
Dec 12 02:21:46.904 INFO [stderr]   --> src/chapter6/bin/main.rs:32:35
Dec 12 02:21:46.904 INFO [stderr]    |
Dec 12 02:21:46.904 INFO [stderr] 32 |     let x = some_string.and_then(|x: &str| Some("sf"));
Dec 12 02:21:46.904 INFO [stderr]    |                                   ^ help: consider using `_x` instead
Dec 12 02:21:46.904 INFO [stderr] 
Dec 12 02:21:46.904 INFO [stderr] warning: unused variable: `six`
Dec 12 02:21:46.904 INFO [stderr]   --> src/chapter6/bin/main.rs:11:9
Dec 12 02:21:46.904 INFO [stderr]    |
Dec 12 02:21:46.904 INFO [stderr] 11 |     let six = IpAddrKind::V6;
Dec 12 02:21:46.904 INFO [stderr]    |         ^^^ help: consider using `_six` instead
Dec 12 02:21:46.904 INFO [stderr] 
Dec 12 02:21:46.904 INFO [stderr] warning: unused variable: `home`
Dec 12 02:21:46.904 INFO [stderr]   --> src/chapter6/bin/main.rs:18:9
Dec 12 02:21:46.904 INFO [stderr]    |
Dec 12 02:21:46.904 INFO [stderr] 18 |     let home = IpAddr::V4(String::from("127.0.0.1"));
Dec 12 02:21:46.904 INFO [stderr]    |         ^^^^ help: consider using `_home` instead
Dec 12 02:21:46.904 INFO [stderr] 
Dec 12 02:21:46.904 INFO [stderr] warning: unused variable: `loopback`
Dec 12 02:21:46.904 INFO [stderr]   --> src/chapter6/bin/main.rs:19:9
Dec 12 02:21:46.904 INFO [stderr]    |
Dec 12 02:21:46.904 INFO [stderr] 19 |     let loopback = IpAddr::V6(String::from("::1"));
Dec 12 02:21:46.904 INFO [stderr]    |         ^^^^^^^^ help: consider using `_loopback` instead
Dec 12 02:21:46.904 INFO [stderr] 
Dec 12 02:21:46.905 INFO [stderr] warning: unused variable: `home`
Dec 12 02:21:46.905 INFO [stderr]   --> src/chapter6/bin/main.rs:21:9
Dec 12 02:21:46.905 INFO [stderr]    |
Dec 12 02:21:46.905 INFO [stderr] 21 |     let home = IpAddr2::V4(127, 0, 0, 1);
Dec 12 02:21:46.905 INFO [stderr]    |         ^^^^ help: consider using `_home` instead
Dec 12 02:21:46.905 INFO [stderr] 
Dec 12 02:21:46.905 INFO [stderr] warning: unused variable: `loopback`
Dec 12 02:21:46.905 INFO [stderr]   --> src/chapter6/bin/main.rs:22:9
Dec 12 02:21:46.905 INFO [stderr]    |
Dec 12 02:21:46.905 INFO [stderr] 22 |     let loopback = IpAddr2::V6(String::from("::1"));
Dec 12 02:21:46.905 INFO [stderr]    |         ^^^^^^^^ help: consider using `_loopback` instead
Dec 12 02:21:46.905 INFO [stderr] 
Dec 12 02:21:46.905 INFO [stderr] warning: variable `count` is assigned to, but never used
Dec 12 02:21:46.905 INFO [stderr]   --> src/chapter6/bin/main.rs:72:13
Dec 12 02:21:46.905 INFO [stderr]    |
Dec 12 02:21:46.905 INFO [stderr] 72 |     let mut count = 0;
Dec 12 02:21:46.905 INFO [stderr]    |             ^^^^^
Dec 12 02:21:46.905 INFO [stderr]    |
Dec 12 02:21:46.905 INFO [stderr]    = note: consider using `_count` instead
Dec 12 02:21:46.905 INFO [stderr] 
Dec 12 02:21:46.906 INFO [stderr] warning: value assigned to `count` is never read
Dec 12 02:21:46.906 INFO [stderr]   --> src/chapter6/bin/main.rs:76:9
Dec 12 02:21:46.906 INFO [stderr]    |
Dec 12 02:21:46.906 INFO [stderr] 76 |         count += 1;
Dec 12 02:21:46.906 INFO [stderr]    |         ^^^^^
Dec 12 02:21:46.906 INFO [stderr]    |
Dec 12 02:21:46.906 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 12 02:21:46.906 INFO [stderr] 
Dec 12 02:21:46.920 INFO [stderr]   |
Dec 12 02:21:46.920 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 02:21:46.920 INFO [stderr] 
Dec 12 02:21:46.921 INFO [stderr] warning: unused variable: `f`
Dec 12 02:21:46.921 INFO [stderr]   --> src/errors/bin/main.rs:23:9
Dec 12 02:21:46.921 INFO [stderr]    |
Dec 12 02:21:46.921 INFO [stderr] 23 |     let f = match f {
Dec 12 02:21:46.921 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 12 02:21:46.928 INFO [stderr] 
Dec 12 02:21:46.937 INFO [stderr] warning: function is never used: `read_username_from_file`
Dec 12 02:21:46.937 INFO [stderr]   --> src/errors/bin/main.rs:44:1
Dec 12 02:21:46.937 INFO [stderr]    |
Dec 12 02:21:46.937 INFO [stderr] 44 | fn read_username_from_file() -> Result<String, io::Error> {
Dec 12 02:21:46.937 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:46.956 INFO [stderr] warning: variant is never constructed: `Quit`
Dec 12 02:21:46.956 INFO [stderr]   --> src/chapter6/bin/main.rs:94:5
Dec 12 02:21:46.956 INFO [stderr]    |
Dec 12 02:21:46.956 INFO [stderr] 94 |     Quit,
Dec 12 02:21:46.956 INFO [stderr]    |     ^^^^
Dec 12 02:21:46.956 INFO [stderr]    |
Dec 12 02:21:46.956 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:21:46.956 INFO [stderr] 
Dec 12 02:21:46.957 INFO [stderr] warning: variant is never constructed: `Move`
Dec 12 02:21:46.957 INFO [stderr]   --> src/chapter6/bin/main.rs:95:5
Dec 12 02:21:46.957 INFO [stderr]    |
Dec 12 02:21:46.957 INFO [stderr] 95 |     Move { x: i32, y: i32 },
Dec 12 02:21:46.957 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:46.957 INFO [stderr] 
Dec 12 02:21:46.957 INFO [stderr] warning: variant is never constructed: `ChangeColor`
Dec 12 02:21:46.957 INFO [stderr]   --> src/chapter6/bin/main.rs:97:5
Dec 12 02:21:46.957 INFO [stderr]    |
Dec 12 02:21:46.957 INFO [stderr] 97 |     ChangeColor(i32, i32, i32),
Dec 12 02:21:46.957 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:46.957 INFO [stderr] 
Dec 12 02:21:46.957 INFO [stderr] warning: variant is never constructed: `Alaska`
Dec 12 02:21:46.957 INFO [stderr]    --> src/chapter6/bin/main.rs:115:5
Dec 12 02:21:46.957 INFO [stderr]     |
Dec 12 02:21:46.957 INFO [stderr] 115 |     Alaska,
Dec 12 02:21:46.957 INFO [stderr]     |     ^^^^^^
Dec 12 02:21:46.957 INFO [stderr] 
Dec 12 02:21:46.957 INFO [stderr] warning: variant is never constructed: `Nickel`
Dec 12 02:21:46.957 INFO [stderr]    --> src/chapter6/bin/main.rs:121:5
Dec 12 02:21:46.957 INFO [stderr]     |
Dec 12 02:21:46.957 INFO [stderr] 121 |     Nickel,
Dec 12 02:21:46.957 INFO [stderr]     |     ^^^^^^
Dec 12 02:21:46.957 INFO [stderr] 
Dec 12 02:21:46.964 INFO [stderr]    |
Dec 12 02:21:46.964 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:21:46.964 INFO [stderr] 
Dec 12 02:21:46.964 INFO [stderr] warning: function is never used: `read_username_from_file2`
Dec 12 02:21:46.964 INFO [stderr]   --> src/errors/bin/main.rs:60:1
Dec 12 02:21:46.964 INFO [stderr]    |
Dec 12 02:21:46.964 INFO [stderr] 60 | fn read_username_from_file2() -> Result<String, io::Error> {
Dec 12 02:21:46.964 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:46.964 INFO [stderr] 
Dec 12 02:21:46.986 INFO [stderr] warning: unused imports: `Red`, `Yellow`
Dec 12 02:21:46.986 INFO [stderr]  --> src/chapter7/bin/main.rs:3:34
Dec 12 02:21:46.986 INFO [stderr]   |
Dec 12 02:21:46.986 INFO [stderr] 3 | use communicator::TrafficLight::{Red, Yellow};
Dec 12 02:21:46.986 INFO [stderr]   |                                  ^^^  ^^^^^^
Dec 12 02:21:46.994 INFO [stderr] warning: function `openFile` should have a snake case name such as `open_file`
Dec 12 02:21:46.994 INFO [stderr]   --> src/errors/bin/main.rs:20:1
Dec 12 02:21:46.994 INFO [stderr]    |
Dec 12 02:21:46.994 INFO [stderr] 20 | / fn openFile() {
Dec 12 02:21:46.994 INFO [stderr] 21 | |     let f = File::open("hello.txt");
Dec 12 02:21:46.994 INFO [stderr] 22 | |
Dec 12 02:21:46.994 INFO [stderr] 23 | |     let f = match f {
Dec 12 02:21:46.994 INFO [stderr] ...  |
Dec 12 02:21:46.994 INFO [stderr] 40 | |     };
Dec 12 02:21:46.994 INFO [stderr] 41 | | }
Dec 12 02:21:46.994 INFO [stderr]    | |_^
Dec 12 02:21:47.008 INFO [stderr]   |
Dec 12 02:21:47.008 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 02:21:47.008 INFO [stderr] 
Dec 12 02:21:47.009 INFO [stderr]    |
Dec 12 02:21:47.009 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 12 02:21:47.009 INFO [stderr] 
Dec 12 02:21:47.052 INFO [stderr] warning: unused variable: `red`
Dec 12 02:21:47.052 INFO [stderr]  --> src/chapter7/bin/main.rs:8:9
Dec 12 02:21:47.052 INFO [stderr]   |
Dec 12 02:21:47.052 INFO [stderr] 8 |     let red = Red;
Dec 12 02:21:47.052 INFO [stderr]   |         ^^^ help: consider using `_red` instead
Dec 12 02:21:47.070 INFO [stderr]   |
Dec 12 02:21:47.070 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 12 02:21:47.070 INFO [stderr] 
Dec 12 02:21:47.070 INFO [stderr] warning: unused variable: `yellow`
Dec 12 02:21:47.070 INFO [stderr]  --> src/chapter7/bin/main.rs:9:9
Dec 12 02:21:47.070 INFO [stderr]   |
Dec 12 02:21:47.070 INFO [stderr] 9 |     let yellow = Yellow;
Dec 12 02:21:47.076 INFO [stderr]   |         ^^^^^^ help: consider using `_yellow` instead
Dec 12 02:21:47.076 INFO [stderr] 
Dec 12 02:21:47.076 INFO [stderr] warning: unused variable: `green`
Dec 12 02:21:47.076 INFO [stderr]   --> src/chapter7/bin/main.rs:10:9
Dec 12 02:21:47.076 INFO [stderr]    |
Dec 12 02:21:47.076 INFO [stderr] 10 |     let green = communicator::TrafficLight::Green;
Dec 12 02:21:47.076 INFO [stderr]    |         ^^^^^ help: consider using `_green` instead
Dec 12 02:21:47.076 INFO [stderr] 
Dec 12 02:21:47.076 INFO [stderr] warning: unused variable: `green`
Dec 12 02:21:47.077 INFO [stderr]   --> src/chapter7/bin/main.rs:14:9
Dec 12 02:21:47.077 INFO [stderr]    |
Dec 12 02:21:47.077 INFO [stderr] 14 |     let green = Green;
Dec 12 02:21:47.077 INFO [stderr]    |         ^^^^^ help: consider using `_green` instead
Dec 12 02:21:47.077 INFO [stderr] 
Dec 12 02:21:48.222 INFO [stderr] warning: unused variable: `t`
Dec 12 02:21:48.222 INFO [stderr]   --> src/traits/bin/main.rs:83:24
Dec 12 02:21:48.222 INFO [stderr]    |
Dec 12 02:21:48.222 INFO [stderr] 83 | fn some_function<T, U>(t: T, u: U) -> i32
Dec 12 02:21:48.222 INFO [stderr]    |                        ^ help: consider using `_t` instead
Dec 12 02:21:48.222 INFO [stderr]    |
Dec 12 02:21:48.223 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 02:21:48.223 INFO [stderr] 
Dec 12 02:21:48.223 INFO [stderr] warning: unused variable: `u`
Dec 12 02:21:48.223 INFO [stderr]   --> src/traits/bin/main.rs:83:30
Dec 12 02:21:48.223 INFO [stderr]    |
Dec 12 02:21:48.223 INFO [stderr] 83 | fn some_function<T, U>(t: T, u: U) -> i32
Dec 12 02:21:48.223 INFO [stderr]    |                              ^ help: consider using `_u` instead
Dec 12 02:21:48.223 INFO [stderr] 
Dec 12 02:21:48.273 INFO [stderr] warning: function is never used: `some_function`
Dec 12 02:21:48.273 INFO [stderr]   --> src/traits/bin/main.rs:83:1
Dec 12 02:21:48.273 INFO [stderr]    |
Dec 12 02:21:48.273 INFO [stderr] 83 | / fn some_function<T, U>(t: T, u: U) -> i32
Dec 12 02:21:48.273 INFO [stderr] 84 | |     where T: std::fmt::Display + Clone,
Dec 12 02:21:48.273 INFO [stderr] 85 | |           U: Clone + std::fmt::Debug {
Dec 12 02:21:48.273 INFO [stderr] 86 | |     1
Dec 12 02:21:48.273 INFO [stderr] 87 | | }
Dec 12 02:21:48.273 INFO [stderr]    | |_^
Dec 12 02:21:48.300 INFO [stderr]    |
Dec 12 02:21:48.300 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:21:48.300 INFO [stderr] 
Dec 12 02:21:48.301 INFO [stderr] warning: struct is never constructed: `Pair`
Dec 12 02:21:48.301 INFO [stderr]   --> src/traits/bin/main.rs:92:1
Dec 12 02:21:48.301 INFO [stderr]    |
Dec 12 02:21:48.301 INFO [stderr] 92 | struct Pair<T> {
Dec 12 02:21:48.301 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 12 02:21:48.301 INFO [stderr] 
Dec 12 02:21:48.301 INFO [stderr] warning: method is never used: `new`
Dec 12 02:21:48.301 INFO [stderr]   --> src/traits/bin/main.rs:98:5
Dec 12 02:21:48.301 INFO [stderr]    |
Dec 12 02:21:48.301 INFO [stderr] 98 |     fn new(x: T, y: T) -> Self {
Dec 12 02:21:48.301 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:48.301 INFO [stderr] 
Dec 12 02:21:48.301 INFO [stderr] warning: method is never used: `cmp_display`
Dec 12 02:21:48.301 INFO [stderr]    --> src/traits/bin/main.rs:107:5
Dec 12 02:21:48.301 INFO [stderr]     |
Dec 12 02:21:48.302 INFO [stderr] 107 |     fn cmp_display(&self) {
Dec 12 02:21:48.302 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:48.302 INFO [stderr] 
Dec 12 02:21:48.796 INFO [stderr] warning: function is never used: `max_ch`
Dec 12 02:21:48.796 INFO [stderr]   --> src/generics/bin/main.rs:51:1
Dec 12 02:21:48.796 INFO [stderr]    |
Dec 12 02:21:48.796 INFO [stderr] 51 | fn max_ch(list: &[char]) -> Option<char> {
Dec 12 02:21:48.796 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:48.812 INFO [stderr]    |
Dec 12 02:21:48.812 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 02:21:48.812 INFO [stderr] 
Dec 12 02:21:49.026 INFO [stderr] warning: unused variable: `black`
Dec 12 02:21:49.027 INFO [stderr]   --> src/chapter5/bin/main.rs:23:9
Dec 12 02:21:49.027 INFO [stderr]    |
Dec 12 02:21:49.027 INFO [stderr] 23 |     let black = Color(0, 0, 0);
Dec 12 02:21:49.027 INFO [stderr]    |         ^^^^^ help: consider using `_black` instead
Dec 12 02:21:49.046 INFO [stderr]    |
Dec 12 02:21:49.046 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 02:21:49.046 INFO [stderr] 
Dec 12 02:21:49.046 INFO [stderr] warning: unused variable: `origin`
Dec 12 02:21:49.046 INFO [stderr]   --> src/chapter5/bin/main.rs:24:9
Dec 12 02:21:49.046 INFO [stderr]    |
Dec 12 02:21:49.046 INFO [stderr] 24 |     let origin = Point(0, 0, 0);
Dec 12 02:21:49.046 INFO [stderr]    |         ^^^^^^ help: consider using `_origin` instead
Dec 12 02:21:49.047 INFO [stderr] 
Dec 12 02:21:49.063 INFO [stderr] warning: function is never used: `build_user`
Dec 12 02:21:49.063 INFO [stderr]    --> src/chapter5/bin/main.rs:103:1
Dec 12 02:21:49.063 INFO [stderr]     |
Dec 12 02:21:49.063 INFO [stderr] 103 | fn build_user(email: String, username: String) -> User {
Dec 12 02:21:49.063 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:49.084 INFO [stderr]     |
Dec 12 02:21:49.084 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 02:21:49.084 INFO [stderr] 
Dec 12 02:21:49.186 INFO [stderr] warning: unnecessary parentheses around assigned value
Dec 12 02:21:49.186 INFO [stderr]    --> src/collections/bin/main.rs:181:14
Dec 12 02:21:49.186 INFO [stderr]     |
Dec 12 02:21:49.186 INFO [stderr] 181 |         t += (*i as f32);
Dec 12 02:21:49.186 INFO [stderr]     |              ^^^^^^^^^^^ help: remove these parentheses
Dec 12 02:21:49.186 INFO [stderr]     |
Dec 12 02:21:49.186 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 12 02:21:49.186 INFO [stderr] 
Dec 12 02:21:49.451 INFO [stderr] warning: unused variable: `s1`
Dec 12 02:21:49.451 INFO [stderr]   --> src/collections/bin/main.rs:99:9
Dec 12 02:21:49.452 INFO [stderr]    |
Dec 12 02:21:49.452 INFO [stderr] 99 |     let s1 = String::from("hello");
Dec 12 02:21:49.452 INFO [stderr]    |         ^^ help: consider using `_s1` instead
Dec 12 02:21:49.453 INFO [stderr]    |
Dec 12 02:21:49.453 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 02:21:49.453 INFO [stderr] 
Dec 12 02:21:49.454 INFO [stderr] warning: unused variable: `scores`
Dec 12 02:21:49.454 INFO [stderr]    --> src/collections/bin/main.rs:143:9
Dec 12 02:21:49.454 INFO [stderr]     |
Dec 12 02:21:49.455 INFO [stderr] 143 |     let scores: HashMap<_, _> = zipped.collect();
Dec 12 02:21:49.455 INFO [stderr]     |         ^^^^^^ help: consider using `_scores` instead
Dec 12 02:21:49.455 INFO [stderr] 
Dec 12 02:21:49.490 INFO [stderr] warning: variable does not need to be mutable
Dec 12 02:21:49.490 INFO [stderr]   --> src/collections/bin/main.rs:56:9
Dec 12 02:21:49.491 INFO [stderr]    |
Dec 12 02:21:49.491 INFO [stderr] 56 |     let mut s = String::new();
Dec 12 02:21:49.491 INFO [stderr]    |         ----^
Dec 12 02:21:49.492 INFO [stderr]    |         |
Dec 12 02:21:49.492 INFO [stderr]    |         help: remove this `mut`
Dec 12 02:21:49.492 INFO [stderr]    |
Dec 12 02:21:49.493 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 12 02:21:49.493 INFO [stderr] 
Dec 12 02:21:49.556 INFO [stderr] warning: unused variable: `black`
Dec 12 02:21:49.556 INFO [stderr]    --> src/chapter3/bin/main.rs:107:9
Dec 12 02:21:49.556 INFO [stderr]     |
Dec 12 02:21:49.557 INFO [stderr] 107 |     let black = Color(0, 0, 0);
Dec 12 02:21:49.557 INFO [stderr]     |         ^^^^^ help: consider using `_black` instead
Dec 12 02:21:49.557 INFO [stderr]     |
Dec 12 02:21:49.557 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 12 02:21:49.557 INFO [stderr] 
Dec 12 02:21:49.558 INFO [stderr] warning: unused variable: `origin`
Dec 12 02:21:49.558 INFO [stderr]    --> src/chapter3/bin/main.rs:108:9
Dec 12 02:21:49.558 INFO [stderr]     |
Dec 12 02:21:49.559 INFO [stderr] 108 |     let origin = Point(0, 0, 0);
Dec 12 02:21:49.559 INFO [stderr]     |         ^^^^^^ help: consider using `_origin` instead
Dec 12 02:21:49.559 INFO [stderr] 
Dec 12 02:21:49.616 INFO [stderr] warning: function is never used: `gives_ownership`
Dec 12 02:21:49.617 INFO [stderr]    --> src/chapter3/bin/main.rs:119:1
Dec 12 02:21:49.617 INFO [stderr]     |
Dec 12 02:21:49.617 INFO [stderr] 119 | fn gives_ownership() -> String {
Dec 12 02:21:49.617 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:49.618 INFO [stderr]     |
Dec 12 02:21:49.618 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 02:21:49.618 INFO [stderr] 
Dec 12 02:21:49.618 INFO [stderr] warning: function is never used: `takes_and_gives_back`
Dec 12 02:21:49.619 INFO [stderr]    --> src/chapter3/bin/main.rs:124:1
Dec 12 02:21:49.619 INFO [stderr]     |
Dec 12 02:21:49.619 INFO [stderr] 124 | fn takes_and_gives_back(a_string: String) -> String {
Dec 12 02:21:49.619 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:49.619 INFO [stderr] 
Dec 12 02:21:49.620 INFO [stderr] warning: function is never used: `no_dangle`
Dec 12 02:21:49.620 INFO [stderr]    --> src/chapter3/bin/main.rs:149:1
Dec 12 02:21:49.620 INFO [stderr]     |
Dec 12 02:21:49.621 INFO [stderr] 149 | fn no_dangle() -> String {
Dec 12 02:21:49.621 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:49.621 INFO [stderr] 
Dec 12 02:21:49.622 INFO [stderr] warning: function is never used: `build_user`
Dec 12 02:21:49.622 INFO [stderr]    --> src/chapter3/bin/main.rs:187:1
Dec 12 02:21:49.622 INFO [stderr]     |
Dec 12 02:21:49.623 INFO [stderr] 187 | fn build_user(email: String, username: String) -> User {
Dec 12 02:21:49.623 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 02:21:49.623 INFO [stderr] 
Dec 12 02:21:49.672 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.42s
Dec 12 02:21:49.677 INFO [stderr] su: No module specific data is present
Dec 12 02:21:50.607 INFO running `"docker" "inspect" "8f27d9d3585ce12a08fdd2d6cb90ba9533e6bee670cc62d86e2c87028dc80bcb"`
Dec 12 02:21:50.942 INFO running `"docker" "rm" "-f" "8f27d9d3585ce12a08fdd2d6cb90ba9533e6bee670cc62d86e2c87028dc80bcb"`
Dec 12 02:21:51.206 INFO [stdout] 8f27d9d3585ce12a08fdd2d6cb90ba9533e6bee670cc62d86e2c87028dc80bcb