[INFO] cloning repository https://github.com/johnsoneyo/crusty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnsoneyo/crusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnsoneyo%2Fcrusty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnsoneyo%2Fcrusty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc862b16e19562ff3b4d6810e184d46e3d054970
[INFO] testing johnsoneyo/crusty against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnsoneyo%2Fcrusty" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/johnsoneyo/crusty
[INFO] finished tweaking git repo https://github.com/johnsoneyo/crusty
[INFO] tweaked toml for git repo https://github.com/johnsoneyo/crusty written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/johnsoneyo/crusty on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/johnsoneyo/crusty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded emojic v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e1637996e1a150c2bc79b801e0c502cf48e852986c64affbfb129fa6e4f0a13
[INFO] running `Command { std: "docker" "start" "-a" "4e1637996e1a150c2bc79b801e0c502cf48e852986c64affbfb129fa6e4f0a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e1637996e1a150c2bc79b801e0c502cf48e852986c64affbfb129fa6e4f0a13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e1637996e1a150c2bc79b801e0c502cf48e852986c64affbfb129fa6e4f0a13", kill_on_drop: false }`
[INFO] [stdout] 4e1637996e1a150c2bc79b801e0c502cf48e852986c64affbfb129fa6e4f0a13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce8b5ceb3e8ee640eeb7339e51efe0e04e936ea3f1ab1ec7c4b4ff086e58e23e
[INFO] running `Command { std: "docker" "start" "-a" "ce8b5ceb3e8ee640eeb7339e51efe0e04e936ea3f1ab1ec7c4b4ff086e58e23e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling emojic v0.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling category_service v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `WARNING`
[INFO] [stdout]  --> src/exercise.rs:5:89
[INFO] [stdout]   |
[INFO] [stdout] 5 | use emojic::flat::{DEPARTMENT_STORE, INFORMATION, POLICE_OFFICER, STOP_SIGN, THUMBS_UP, WARNING, WAVING_HAND};
[INFO] [stdout]   |                                                                                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `self`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/exercise.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |         .map(|(a, b)| *b)
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `department_employees_counter`
[INFO] [stdout]   --> src/exercise.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut department_employees_counter: HashMap<Department, u32> = HashMap::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_department_employees_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/exercise.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Ok(n) => {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/exercise.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut department_employees_counter: HashMap<Department, u32> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_spaces`
[INFO] [stdout]    --> src/lesson.rs:182:16
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn move_player(num_spaces: u8) {}
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImportantExcerpt` is never constructed
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct ImportantExcerpt<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Person<'a> {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 15 |     name: &'a str
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Employee` is never constructed
[INFO] [stdout]  --> src/data/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Employee {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Department` is never used
[INFO] [stdout]  --> src/data/mod.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Department {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_median` is never used
[INFO] [stdout]  --> src/exercise.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_median(v: &mut Vec<i32>) -> Option<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_mode` is never used
[INFO] [stdout]   --> src/exercise.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn get_mode(v: &mut Vec<i32>) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_employee` is never used
[INFO] [stdout]   --> src/exercise.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn add_employee() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> src/lesson.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `area`, `width`, `can_hold`, and `square` are never used
[INFO] [stdout]   --> src/lesson.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Rectangle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 12 |     fn area(&self) -> u32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn width(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn square(size: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/lesson.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user` is never used
[INFO] [stdout]   --> src/lesson.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn build_user(email: String, username: String) -> User {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_word` is never used
[INFO] [stdout]   --> src/lesson.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn first_word(s: &str) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length` is never used
[INFO] [stdout]   --> src/lesson.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn calculate_length(s: &String) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `takes_ownership` is never used
[INFO] [stdout]   --> src/lesson.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn takes_ownership(some_string: String) { // some_string comes into scope
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `makes_copy` is never used
[INFO] [stdout]   --> src/lesson.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn makes_copy(some_integer: i32) { // some_integer comes into scope
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guessing_game` is never used
[INFO] [stdout]   --> src/lesson.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn guessing_game () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `five` is never used
[INFO] [stdout]    --> src/lesson.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn five() -> i32 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuple_function` is never used
[INFO] [stdout]    --> src/lesson.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn tuple_function (s : &String) -> (usize, String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]    --> src/lesson.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct User {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]    --> src/lesson.rs:140:6
[INFO] [stdout]     |
[INFO] [stdout] 140 | enum Message {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IpAddrKind` is never used
[INFO] [stdout]    --> src/lesson.rs:147:6
[INFO] [stdout]     |
[INFO] [stdout] 147 | enum IpAddrKind {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IpAddr` is never constructed
[INFO] [stdout]    --> src/lesson.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | struct IpAddr {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuitMessage` is never constructed
[INFO] [stdout]    --> src/lesson.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 | struct QuitMessage; // unit struct
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MoveMessage` is never constructed
[INFO] [stdout]    --> src/lesson.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | struct MoveMessage {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WriteMessage` is never constructed
[INFO] [stdout]    --> src/lesson.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | struct WriteMessage(String); // tuple struct
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeColorMessage` is never constructed
[INFO] [stdout]    --> src/lesson.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | struct ChangeColorMessage(i32, i32, i32); // tuple struct
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]    --> src/lesson.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | impl Message {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 167 |     fn call(&self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_fancy_hat` is never used
[INFO] [stdout]    --> src/lesson.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn add_fancy_hat() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_fancy_hat` is never used
[INFO] [stdout]    --> src/lesson.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn remove_fancy_hat() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_player` is never used
[INFO] [stdout]    --> src/lesson.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn move_player(num_spaces: u8) {}
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UsState` is never used
[INFO] [stdout]    --> src/lesson.rs:186:6
[INFO] [stdout]     |
[INFO] [stdout] 186 | enum UsState {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Coin` is never used
[INFO] [stdout]    --> src/lesson.rs:192:6
[INFO] [stdout]     |
[INFO] [stdout] 192 | enum Coin {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform` is never used
[INFO] [stdout]    --> src/lesson.rs:199:4
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn transform (num : &String) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.50s
[INFO] running `Command { std: "docker" "inspect" "ce8b5ceb3e8ee640eeb7339e51efe0e04e936ea3f1ab1ec7c4b4ff086e58e23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8b5ceb3e8ee640eeb7339e51efe0e04e936ea3f1ab1ec7c4b4ff086e58e23e", kill_on_drop: false }`
[INFO] [stdout] ce8b5ceb3e8ee640eeb7339e51efe0e04e936ea3f1ab1ec7c4b4ff086e58e23e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aae534688cc40b12bdc5ff047799f089482865950b509b9208493553b8d1f09a
[INFO] running `Command { std: "docker" "start" "-a" "aae534688cc40b12bdc5ff047799f089482865950b509b9208493553b8d1f09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling log v0.4.26
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling emojic v0.4.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling category_service v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `WARNING`
[INFO] [stdout]  --> src/exercise.rs:5:89
[INFO] [stdout]   |
[INFO] [stdout] 5 | use emojic::flat::{DEPARTMENT_STORE, INFORMATION, POLICE_OFFICER, STOP_SIGN, THUMBS_UP, WARNING, WAVING_HAND};
[INFO] [stdout]   |                                                                                         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read` and `self`
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::io::{self, Read};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/exercise.rs:45:16
[INFO] [stdout]    |
[INFO] [stdout] 45 |         .map(|(a, b)| *b)
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `department_employees_counter`
[INFO] [stdout]   --> src/exercise.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut department_employees_counter: HashMap<Department, u32> = HashMap::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_department_employees_counter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/exercise.rs:61:16
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Ok(n) => {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/exercise.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut department_employees_counter: HashMap<Department, u32> = HashMap::new();
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num_spaces`
[INFO] [stdout]    --> src/lesson.rs:182:16
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn move_player(num_spaces: u8) {}
[INFO] [stdout]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImportantExcerpt` is never constructed
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct ImportantExcerpt<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Person<'a> {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 15 |     name: &'a str
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Employee` is never constructed
[INFO] [stdout]  --> src/data/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Employee {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Department` is never used
[INFO] [stdout]  --> src/data/mod.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum Department {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_median` is never used
[INFO] [stdout]  --> src/exercise.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_median(v: &mut Vec<i32>) -> Option<i32> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_mode` is never used
[INFO] [stdout]   --> src/exercise.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn get_mode(v: &mut Vec<i32>) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_employee` is never used
[INFO] [stdout]   --> src/exercise.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn add_employee() {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> src/lesson.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `area`, `width`, `can_hold`, and `square` are never used
[INFO] [stdout]   --> src/lesson.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Rectangle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 12 |     fn area(&self) -> u32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn width(&self) -> bool {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn square(size: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/lesson.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_user` is never used
[INFO] [stdout]   --> src/lesson.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn build_user(email: String, username: String) -> User {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `first_word` is never used
[INFO] [stdout]   --> src/lesson.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn first_word(s: &str) -> &str {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length` is never used
[INFO] [stdout]   --> src/lesson.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 | fn calculate_length(s: &String) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `takes_ownership` is never used
[INFO] [stdout]   --> src/lesson.rs:83:4
[INFO] [stdout]    |
[INFO] [stdout] 83 | fn takes_ownership(some_string: String) { // some_string comes into scope
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `makes_copy` is never used
[INFO] [stdout]   --> src/lesson.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn makes_copy(some_integer: i32) { // some_integer comes into scope
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guessing_game` is never used
[INFO] [stdout]   --> src/lesson.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn guessing_game () {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `five` is never used
[INFO] [stdout]    --> src/lesson.rs:123:4
[INFO] [stdout]     |
[INFO] [stdout] 123 | fn five() -> i32 {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tuple_function` is never used
[INFO] [stdout]    --> src/lesson.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn tuple_function (s : &String) -> (usize, String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]    --> src/lesson.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct User {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]    --> src/lesson.rs:140:6
[INFO] [stdout]     |
[INFO] [stdout] 140 | enum Message {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IpAddrKind` is never used
[INFO] [stdout]    --> src/lesson.rs:147:6
[INFO] [stdout]     |
[INFO] [stdout] 147 | enum IpAddrKind {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `IpAddr` is never constructed
[INFO] [stdout]    --> src/lesson.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 | struct IpAddr {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QuitMessage` is never constructed
[INFO] [stdout]    --> src/lesson.rs:157:8
[INFO] [stdout]     |
[INFO] [stdout] 157 | struct QuitMessage; // unit struct
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MoveMessage` is never constructed
[INFO] [stdout]    --> src/lesson.rs:158:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | struct MoveMessage {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WriteMessage` is never constructed
[INFO] [stdout]    --> src/lesson.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | struct WriteMessage(String); // tuple struct
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ChangeColorMessage` is never constructed
[INFO] [stdout]    --> src/lesson.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 163 | struct ChangeColorMessage(i32, i32, i32); // tuple struct
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]    --> src/lesson.rs:167:8
[INFO] [stdout]     |
[INFO] [stdout] 166 | impl Message {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 167 |     fn call(&self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_fancy_hat` is never used
[INFO] [stdout]    --> src/lesson.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn add_fancy_hat() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `remove_fancy_hat` is never used
[INFO] [stdout]    --> src/lesson.rs:181:4
[INFO] [stdout]     |
[INFO] [stdout] 181 | fn remove_fancy_hat() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `move_player` is never used
[INFO] [stdout]    --> src/lesson.rs:182:4
[INFO] [stdout]     |
[INFO] [stdout] 182 | fn move_player(num_spaces: u8) {}
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UsState` is never used
[INFO] [stdout]    --> src/lesson.rs:186:6
[INFO] [stdout]     |
[INFO] [stdout] 186 | enum UsState {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Coin` is never used
[INFO] [stdout]    --> src/lesson.rs:192:6
[INFO] [stdout]     |
[INFO] [stdout] 192 | enum Coin {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `transform` is never used
[INFO] [stdout]    --> src/lesson.rs:199:4
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn transform (num : &String) -> u8 {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "aae534688cc40b12bdc5ff047799f089482865950b509b9208493553b8d1f09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae534688cc40b12bdc5ff047799f089482865950b509b9208493553b8d1f09a", kill_on_drop: false }`
[INFO] [stdout] aae534688cc40b12bdc5ff047799f089482865950b509b9208493553b8d1f09a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f32f0002ac02bec2f86059fecb4ac3fed91f7e970f2e88c5e7f13abe80c7bf2
[INFO] running `Command { std: "docker" "start" "-a" "1f32f0002ac02bec2f86059fecb4ac3fed91f7e970f2e88c5e7f13abe80c7bf2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `WARNING`
[INFO] [stderr]  --> src/exercise.rs:5:89
[INFO] [stderr]   |
[INFO] [stderr] 5 | use emojic::flat::{DEPARTMENT_STORE, INFORMATION, POLICE_OFFICER, STOP_SIGN, THUMBS_UP, WARNING, WAVING_HAND};
[INFO] [stderr]   |                                                                                         ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Read` and `self`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{self, Read};
[INFO] [stderr]   |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/exercise.rs:45:16
[INFO] [stderr]    |
[INFO] [stderr] 45 |         .map(|(a, b)| *b)
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `department_employees_counter`
[INFO] [stderr]   --> src/exercise.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut department_employees_counter: HashMap<Department, u32> = HashMap::new();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_department_employees_counter`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/exercise.rs:61:16
[INFO] [stderr]    |
[INFO] [stderr] 61 |             Ok(n) => {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/exercise.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let mut department_employees_counter: HashMap<Department, u32> = HashMap::new();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `num_spaces`
[INFO] [stderr]    --> src/lesson.rs:182:16
[INFO] [stderr]     |
[INFO] [stderr] 182 | fn move_player(num_spaces: u8) {}
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_spaces`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ImportantExcerpt` is never constructed
[INFO] [stderr]  --> src/main.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct ImportantExcerpt<'a> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `name` is never read
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Person<'a> {
[INFO] [stderr]    |        ------ field in this struct
[INFO] [stderr] 15 |     name: &'a str
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Employee` is never constructed
[INFO] [stderr]  --> src/data/mod.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Employee {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Department` is never used
[INFO] [stderr]  --> src/data/mod.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub enum Department {
[INFO] [stderr]   |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_median` is never used
[INFO] [stderr]  --> src/exercise.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn get_median(v: &mut Vec<i32>) -> Option<i32> {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_mode` is never used
[INFO] [stderr]   --> src/exercise.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn get_mode(v: &mut Vec<i32>) -> Option<i32> {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_employee` is never used
[INFO] [stderr]   --> src/exercise.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 | pub fn add_employee() {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Rectangle` is never constructed
[INFO] [stderr]  --> src/lesson.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Rectangle {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `area`, `width`, `can_hold`, and `square` are never used
[INFO] [stderr]   --> src/lesson.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Rectangle {
[INFO] [stderr]    | -------------- associated items in this implementation
[INFO] [stderr] 12 |     fn area(&self) -> u32 {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     fn width(&self) -> bool {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 20 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     fn square(size: u32) -> Self {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]   --> src/lesson.rs:32:4
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn main() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_user` is never used
[INFO] [stderr]   --> src/lesson.rs:54:4
[INFO] [stderr]    |
[INFO] [stderr] 54 | fn build_user(email: String, username: String) -> User {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `first_word` is never used
[INFO] [stderr]   --> src/lesson.rs:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn first_word(s: &str) -> &str {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `calculate_length` is never used
[INFO] [stderr]   --> src/lesson.rs:79:4
[INFO] [stderr]    |
[INFO] [stderr] 79 | fn calculate_length(s: &String) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `takes_ownership` is never used
[INFO] [stderr]   --> src/lesson.rs:83:4
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn takes_ownership(some_string: String) { // some_string comes into scope
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `makes_copy` is never used
[INFO] [stderr]   --> src/lesson.rs:88:4
[INFO] [stderr]    |
[INFO] [stderr] 88 | fn makes_copy(some_integer: i32) { // some_integer comes into scope
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `guessing_game` is never used
[INFO] [stderr]   --> src/lesson.rs:92:4
[INFO] [stderr]    |
[INFO] [stderr] 92 | fn guessing_game () {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `five` is never used
[INFO] [stderr]    --> src/lesson.rs:123:4
[INFO] [stderr]     |
[INFO] [stderr] 123 | fn five() -> i32 {
[INFO] [stderr]     |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `tuple_function` is never used
[INFO] [stderr]    --> src/lesson.rs:127:4
[INFO] [stderr]     |
[INFO] [stderr] 127 | fn tuple_function (s : &String) -> (usize, String) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `User` is never constructed
[INFO] [stderr]    --> src/lesson.rs:132:8
[INFO] [stderr]     |
[INFO] [stderr] 132 | struct User {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Message` is never used
[INFO] [stderr]    --> src/lesson.rs:140:6
[INFO] [stderr]     |
[INFO] [stderr] 140 | enum Message {
[INFO] [stdout] 
[INFO] [stderr]     |      ^^^^^^^
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: enum `IpAddrKind` is never used
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    --> src/lesson.rs:147:6
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stderr] 147 | enum IpAddrKind {
[INFO] [stderr]     |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IpAddr` is never constructed
[INFO] [stderr]    --> src/lesson.rs:152:8
[INFO] [stderr]     |
[INFO] [stderr] 152 | struct IpAddr {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `QuitMessage` is never constructed
[INFO] [stderr]    --> src/lesson.rs:157:8
[INFO] [stderr]     |
[INFO] [stderr] 157 | struct QuitMessage; // unit struct
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MoveMessage` is never constructed
[INFO] [stderr]    --> src/lesson.rs:158:8
[INFO] [stderr]     |
[INFO] [stderr] 158 | struct MoveMessage {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `WriteMessage` is never constructed
[INFO] [stderr]    --> src/lesson.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 | struct WriteMessage(String); // tuple struct
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ChangeColorMessage` is never constructed
[INFO] [stderr]    --> src/lesson.rs:163:8
[INFO] [stderr]     |
[INFO] [stderr] 163 | struct ChangeColorMessage(i32, i32, i32); // tuple struct
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `call` is never used
[INFO] [stderr]    --> src/lesson.rs:167:8
[INFO] [stderr]     |
[INFO] [stderr] 166 | impl Message {
[INFO] [stderr]     | ------------ method in this implementation
[INFO] [stderr] 167 |     fn call(&self) {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `add_fancy_hat` is never used
[INFO] [stderr]    --> src/lesson.rs:180:4
[INFO] [stderr]     |
[INFO] [stderr] 180 | fn add_fancy_hat() {}
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `remove_fancy_hat` is never used
[INFO] [stderr]    --> src/lesson.rs:181:4
[INFO] [stderr]     |
[INFO] [stderr] 181 | fn remove_fancy_hat() {}
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `move_player` is never used
[INFO] [stderr]    --> src/lesson.rs:182:4
[INFO] [stderr]     |
[INFO] [stderr] 182 | fn move_player(num_spaces: u8) {}
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `UsState` is never used
[INFO] [stderr]    --> src/lesson.rs:186:6
[INFO] [stderr]     |
[INFO] [stderr] 186 | enum UsState {
[INFO] [stderr]     |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Coin` is never used
[INFO] [stderr]    --> src/lesson.rs:192:6
[INFO] [stderr]     |
[INFO] [stderr] 192 | enum Coin {
[INFO] [stderr]     |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `transform` is never used
[INFO] [stderr]    --> src/lesson.rs:199:4
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn transform (num : &String) -> u8 {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `category_service` (bin "category_service" test) generated 41 warnings (run `cargo fix --bin "category_service" --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/category_service-c695c31cb177d71b)
[INFO] running `Command { std: "docker" "inspect" "1f32f0002ac02bec2f86059fecb4ac3fed91f7e970f2e88c5e7f13abe80c7bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f32f0002ac02bec2f86059fecb4ac3fed91f7e970f2e88c5e7f13abe80c7bf2", kill_on_drop: false }`
[INFO] [stdout] 1f32f0002ac02bec2f86059fecb4ac3fed91f7e970f2e88c5e7f13abe80c7bf2