[INFO] updating cached repository ashishnegi/learn-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ashishnegi/learn-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ashishnegi/learn-rust" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ashishnegi/learn-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ashishnegi/learn-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashishnegi/learn-rust" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ashishnegi/learn-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ashishnegi/learn-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8332665e956954cf041bc964dc03980f7dc893e0
[INFO] sha for GitHub repo ashishnegi/learn-rust: 8332665e956954cf041bc964dc03980f7dc893e0
[INFO] validating manifest of ashishnegi/learn-rust on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ashishnegi/learn-rust on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ashishnegi/learn-rust
[INFO] finished frobbing ashishnegi/learn-rust
[INFO] frobbed toml for ashishnegi/learn-rust written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ashishnegi/learn-rust/Cargo.toml
[INFO] started frobbing ashishnegi/learn-rust
[INFO] finished frobbing ashishnegi/learn-rust
[INFO] frobbed toml for ashishnegi/learn-rust written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/ashishnegi/learn-rust/Cargo.toml
[INFO] crate ashishnegi/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ashishnegi/learn-rust against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-6/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/ashishnegi/learn-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f191d3a40d4f5558836cbeea898f780bb9d330b5213c387a95af6fd38eb0ca32
[INFO] running `"docker" "start" "-a" "f191d3a40d4f5558836cbeea898f780bb9d330b5213c387a95af6fd38eb0ca32"`
[INFO] [stderr]     Checking learnrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `arg2`
[INFO] [stderr]    --> src/talk.rs:123:27
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn createUser(arg1 : i32, arg2 : i32) -> ConditionalValue<User> {
[INFO] [stderr]     |                           ^^^^ help: consider prefixing with an underscore: `_arg2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg2`
[INFO] [stderr]    --> src/talk.rs:147:28
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn createUser2(arg1 : i32, arg2 : i32) -> Result<User, String> {
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_arg2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]    --> src/talk.rs:269:29
[INFO] [stderr]     |
[INFO] [stderr] 269 |         Visitor::Registered(user) => {
[INFO] [stderr]     |                             ^^^^ help: consider prefixing with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rectangle`
[INFO] [stderr]  --> src/area.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct Rectangle {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `area`
[INFO] [stderr]  --> src/area.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn area(&self) -> u32 {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Square`
[INFO] [stderr]   --> src/area.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | struct Square {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `area`
[INFO] [stderr]   --> src/area.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn area(&self) -> u32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `plus_one`
[INFO] [stderr]   --> src/maybe.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn plus_one(there: Option<u32>) -> Option<u32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `merge_sort`
[INFO] [stderr]  --> src/collection.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn merge_sort(arr: & mut[u32], start: usize, end: usize) {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `TeaError`
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum TeaError {
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `append`
[INFO] [stderr]  --> src/errors.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn append(s1: String, s2: String) -> String {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_milk_from_cow`
[INFO] [stderr]   --> src/errors.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | fn get_milk_from_cow(cow: bool) -> Result<String, TeaError> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pour_milk`
[INFO] [stderr]   --> src/errors.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn pour_milk(milk: bool) -> Result<String, TeaError> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_tea`
[INFO] [stderr]   --> src/errors.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn make_tea() -> Result<String, TeaError> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `largest`
[INFO] [stderr]  --> src/traits.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn largest<T: PartialOrd>(ts: &[T]) -> &T {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Human`
[INFO] [stderr]   --> src/traits.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Human {}
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cat`
[INFO] [stderr]   --> src/traits.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct Cat {}
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Res`
[INFO] [stderr]  --> src/grep.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Res {
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `search_contents`
[INFO] [stderr]   --> src/grep.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn search_contents(contents: &str, search: &str) -> Vec<Res> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `grep`
[INFO] [stderr]   --> src/grep.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn grep(filename: &str, search: &str) -> Result<Vec<Res>, Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_one`
[INFO] [stderr]  --> src/closures.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / fn add_one<F>(closure: F, y: u32) -> u32
[INFO] [stderr] 2 | |     where F: Fn(u32) -> u32
[INFO] [stderr] 3 | | {
[INFO] [stderr] 4 | |     closure(y) + 1
[INFO] [stderr] 5 | | }
[INFO] [stderr]   | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]  --> src/closures.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn add(x: u32, y: u32) -> u32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Even`
[INFO] [stderr]   --> src/closures.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Even {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `TrafficLight`
[INFO] [stderr]   --> src/talk.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | enum TrafficLight {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Event`
[INFO] [stderr]   --> src/talk.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | enum Event {
[INFO] [stderr]    | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Color`
[INFO] [stderr]   --> src/talk.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | struct Color {
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Coordinate`
[INFO] [stderr]   --> src/talk.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | struct Coordinate {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ConditionalValue`
[INFO] [stderr]    --> src/talk.rs:116:1
[INFO] [stderr]     |
[INFO] [stderr] 116 | enum ConditionalValue<T> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `User`
[INFO] [stderr]    --> src/talk.rs:121:1
[INFO] [stderr]     |
[INFO] [stderr] 121 | struct User {}
[INFO] [stderr]     | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `createUser`
[INFO] [stderr]    --> src/talk.rs:123:1
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn createUser(arg1 : i32, arg2 : i32) -> ConditionalValue<User> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Result`
[INFO] [stderr]    --> src/talk.rs:142:1
[INFO] [stderr]     |
[INFO] [stderr] 142 | enum Result<T, E> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `createUser2`
[INFO] [stderr]    --> src/talk.rs:147:1
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn createUser2(arg1 : i32, arg2 : i32) -> Result<User, String> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `AgeRange`
[INFO] [stderr]    --> src/talk.rs:161:1
[INFO] [stderr]     |
[INFO] [stderr] 161 | struct AgeRange {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `UserCreationError`
[INFO] [stderr]    --> src/talk.rs:167:1
[INFO] [stderr]     |
[INFO] [stderr] 167 | enum UserCreationError {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `createUser3`
[INFO] [stderr]    --> src/talk.rs:174:1
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn createUser3(age: i32, password : String) -> Result<User,UserCreationError> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Value`
[INFO] [stderr]    --> src/talk.rs:195:1
[INFO] [stderr]     |
[INFO] [stderr] 195 | enum Value {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Job`
[INFO] [stderr]    --> src/talk.rs:214:1
[INFO] [stderr]     |
[INFO] [stderr] 214 | struct Job {}
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `JobQueueCommand`
[INFO] [stderr]    --> src/talk.rs:216:1
[INFO] [stderr]     |
[INFO] [stderr] 216 | enum JobQueueCommand {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `AuthMethod`
[INFO] [stderr]    --> src/talk.rs:224:1
[INFO] [stderr]     |
[INFO] [stderr] 224 | enum AuthMethod {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cookie`
[INFO] [stderr]    --> src/talk.rs:230:1
[INFO] [stderr]     |
[INFO] [stderr] 230 | struct Cookie {}
[INFO] [stderr]     | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Secret`
[INFO] [stderr]    --> src/talk.rs:231:1
[INFO] [stderr]     |
[INFO] [stderr] 231 | struct Secret {}
[INFO] [stderr]     | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Header`
[INFO] [stderr]    --> src/talk.rs:232:1
[INFO] [stderr]     |
[INFO] [stderr] 232 | struct Header {}
[INFO] [stderr]     | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Visitor`
[INFO] [stderr]    --> src/talk.rs:259:1
[INFO] [stderr]     |
[INFO] [stderr] 259 | enum Visitor {
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `feature1`
[INFO] [stderr]    --> src/talk.rs:267:1
[INFO] [stderr]     |
[INFO] [stderr] 267 | fn feature1(visitor : Visitor) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FacebookId`
[INFO] [stderr]    --> src/talk.rs:276:1
[INFO] [stderr]     |
[INFO] [stderr] 276 | struct FacebookId {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Node`
[INFO] [stderr]  --> src/tree.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Node {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_tree`
[INFO] [stderr]   --> src/tree.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn make_tree() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `thread1`
[INFO] [stderr]  --> src/threads.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn thread1() {
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `channels`
[INFO] [stderr]   --> src/threads.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn channels() {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Post`
[INFO] [stderr]  --> src/posts.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Post {
[INFO] [stderr]   | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DraftPost`
[INFO] [stderr]  --> src/posts.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct DraftPost {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PendingPost`
[INFO] [stderr]  --> src/posts.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct PendingPost {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/posts.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn new() -> DraftPost {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `content`
[INFO] [stderr]   --> src/posts.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn content(&self) -> &str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `req_review`
[INFO] [stderr]   --> src/posts.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn req_review(self) -> PendingPost {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_text`
[INFO] [stderr]   --> src/posts.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn add_text(&mut self, content: &str) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `PublishResult`
[INFO] [stderr]   --> src/posts.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | enum PublishResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `approve`
[INFO] [stderr]   --> src/posts.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn approve(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reject`
[INFO] [stderr]   --> src/posts.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn reject(self) -> DraftPost {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `publish`
[INFO] [stderr]   --> src/posts.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn publish(self) -> PublishResult {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `createUser` should have a snake case name
[INFO] [stderr]    --> src/talk.rs:123:4
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn createUser(arg1 : i32, arg2 : i32) -> ConditionalValue<User> {
[INFO] [stderr]     |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_user`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `createUser2` should have a snake case name
[INFO] [stderr]    --> src/talk.rs:147:4
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn createUser2(arg1 : i32, arg2 : i32) -> Result<User, String> {
[INFO] [stderr]     |    ^^^^^^^^^^^ help: convert the identifier to snake case: `create_user2`
[INFO] [stderr] 
[INFO] [stderr] warning: function `createUser3` should have a snake case name
[INFO] [stderr]    --> src/talk.rs:174:4
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn createUser3(age: i32, password : String) -> Result<User,UserCreationError> {
[INFO] [stderr]     |    ^^^^^^^^^^^ help: convert the identifier to snake case: `create_user3`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg2`
[INFO] [stderr]    --> src/talk.rs:123:27
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn createUser(arg1 : i32, arg2 : i32) -> ConditionalValue<User> {
[INFO] [stderr]     |                           ^^^^ help: consider prefixing with an underscore: `_arg2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arg2`
[INFO] [stderr]    --> src/talk.rs:147:28
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn createUser2(arg1 : i32, arg2 : i32) -> Result<User, String> {
[INFO] [stderr]     |                            ^^^^ help: consider prefixing with an underscore: `_arg2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]    --> src/talk.rs:269:29
[INFO] [stderr]     |
[INFO] [stderr] 269 |         Visitor::Registered(user) => {
[INFO] [stderr]     |                             ^^^^ help: consider prefixing with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `coordinate`
[INFO] [stderr]    --> src/talk.rs:290:25
[INFO] [stderr]     |
[INFO] [stderr] 290 |     fn handleClickEvent(coordinate : Coordinate) {
[INFO] [stderr]     |                         ^^^^^^^^^^ help: consider prefixing with an underscore: `_coordinate`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color`
[INFO] [stderr]    --> src/talk.rs:294:25
[INFO] [stderr]     |
[INFO] [stderr] 294 |     fn handlePaintEvent(color : Color) {
[INFO] [stderr]     |                         ^^^^^ help: consider prefixing with an underscore: `_color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]    --> src/talk.rs:309:36
[INFO] [stderr]     |
[INFO] [stderr] 309 |             ConditionalValue::Just(user) => println!("Created user !!!"),
[INFO] [stderr]     |                                    ^^^^ help: consider prefixing with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]    --> src/talk.rs:323:24
[INFO] [stderr]     |
[INFO] [stderr] 323 |             Result::Ok(user) => println!("Created user !!!"),
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]    --> src/talk.rs:349:24
[INFO] [stderr]     |
[INFO] [stderr] 349 |             Result::Ok(user) => println!("Created user !!!"),
[INFO] [stderr]     |                        ^^^^ help: consider prefixing with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `TrafficLight`
[INFO] [stderr]   --> src/talk.rs:25:1
[INFO] [stderr]    |
[INFO] [stderr] 25 | enum TrafficLight {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `red`
[INFO] [stderr]   --> src/talk.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     red : u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `green`
[INFO] [stderr]   --> src/talk.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     green : u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `blue`
[INFO] [stderr]   --> src/talk.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     blue : u32
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `x`
[INFO] [stderr]   --> src/talk.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     x : u32,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `y`
[INFO] [stderr]   --> src/talk.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     y : u32
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Value`
[INFO] [stderr]    --> src/talk.rs:195:1
[INFO] [stderr]     |
[INFO] [stderr] 195 | enum Value {
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Job`
[INFO] [stderr]    --> src/talk.rs:214:1
[INFO] [stderr]     |
[INFO] [stderr] 214 | struct Job {}
[INFO] [stderr]     | ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `JobQueueCommand`
[INFO] [stderr]    --> src/talk.rs:216:1
[INFO] [stderr]     |
[INFO] [stderr] 216 | enum JobQueueCommand {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `AuthMethod`
[INFO] [stderr]    --> src/talk.rs:224:1
[INFO] [stderr]     |
[INFO] [stderr] 224 | enum AuthMethod {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Cookie`
[INFO] [stderr]    --> src/talk.rs:230:1
[INFO] [stderr]     |
[INFO] [stderr] 230 | struct Cookie {}
[INFO] [stderr]     | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Secret`
[INFO] [stderr]    --> src/talk.rs:231:1
[INFO] [stderr]     |
[INFO] [stderr] 231 | struct Secret {}
[INFO] [stderr]     | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Header`
[INFO] [stderr]    --> src/talk.rs:232:1
[INFO] [stderr]     |
[INFO] [stderr] 232 | struct Header {}
[INFO] [stderr]     | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Visitor`
[INFO] [stderr]    --> src/talk.rs:259:1
[INFO] [stderr]     |
[INFO] [stderr] 259 | enum Visitor {
[INFO] [stderr]     | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `feature1`
[INFO] [stderr]    --> src/talk.rs:267:1
[INFO] [stderr]     |
[INFO] [stderr] 267 | fn feature1(visitor : Visitor) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `FacebookId`
[INFO] [stderr]    --> src/talk.rs:276:1
[INFO] [stderr]     |
[INFO] [stderr] 276 | struct FacebookId {}
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `createUser` should have a snake case name
[INFO] [stderr]    --> src/talk.rs:123:4
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn createUser(arg1 : i32, arg2 : i32) -> ConditionalValue<User> {
[INFO] [stderr]     |    ^^^^^^^^^^ help: convert the identifier to snake case: `create_user`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `createUser2` should have a snake case name
[INFO] [stderr]    --> src/talk.rs:147:4
[INFO] [stderr]     |
[INFO] [stderr] 147 | fn createUser2(arg1 : i32, arg2 : i32) -> Result<User, String> {
[INFO] [stderr]     |    ^^^^^^^^^^^ help: convert the identifier to snake case: `create_user2`
[INFO] [stderr] 
[INFO] [stderr] warning: function `createUser3` should have a snake case name
[INFO] [stderr]    --> src/talk.rs:174:4
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn createUser3(age: i32, password : String) -> Result<User,UserCreationError> {
[INFO] [stderr]     |    ^^^^^^^^^^^ help: convert the identifier to snake case: `create_user3`
[INFO] [stderr] 
[INFO] [stderr] warning: function `handleEvent` should have a snake case name
[INFO] [stderr]    --> src/talk.rs:282:8
[INFO] [stderr]     |
[INFO] [stderr] 282 |     fn handleEvent(event : Event) {
[INFO] [stderr]     |        ^^^^^^^^^^^ help: convert the identifier to snake case: `handle_event`
[INFO] [stderr] 
[INFO] [stderr] warning: function `handleClickEvent` should have a snake case name
[INFO] [stderr]    --> src/talk.rs:290:8
[INFO] [stderr]     |
[INFO] [stderr] 290 |     fn handleClickEvent(coordinate : Coordinate) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `handle_click_event`
[INFO] [stderr] 
[INFO] [stderr] warning: function `handlePaintEvent` should have a snake case name
[INFO] [stderr]    --> src/talk.rs:294:8
[INFO] [stderr]     |
[INFO] [stderr] 294 |     fn handlePaintEvent(color : Color) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `handle_paint_event`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ageRange` should have a snake case name
[INFO] [stderr]    --> src/talk.rs:340:49
[INFO] [stderr]     |
[INFO] [stderr] 340 |                     UserCreationError::AgeLarge(ageRange) =>
[INFO] [stderr]     |                                                 ^^^^^^^^ help: convert the identifier to snake case: `age_range`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "f191d3a40d4f5558836cbeea898f780bb9d330b5213c387a95af6fd38eb0ca32"`
[INFO] running `"docker" "rm" "-f" "f191d3a40d4f5558836cbeea898f780bb9d330b5213c387a95af6fd38eb0ca32"`
[INFO] [stdout] f191d3a40d4f5558836cbeea898f780bb9d330b5213c387a95af6fd38eb0ca32