[INFO] cloning repository https://github.com/idurgit/belajar-rust-dasar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/idurgit/belajar-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar/refs/heads: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/idurgit/belajar-rust-dasar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/idurgit/belajar-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/idurgit/belajar-rust-dasar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/idurgit/belajar-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 3)
[INFO] cloning repository https://github.com/idurgit/belajar-rust-dasar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/idurgit/belajar-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 4)
[INFO] cloning repository https://github.com/idurgit/belajar-rust-dasar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/idurgit/belajar-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 5)
[INFO] cloning repository https://github.com/idurgit/belajar-rust-dasar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/idurgit/belajar-rust-dasar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4fabe85f8535ea722c3263b49b1e2f5e2a3516b
[INFO] checking idurgit/belajar-rust-dasar against master#f7b43542838f0a4a6cfdb17fbeadf45002042a77 for pr-138499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidurgit%2Fbelajar-rust-dasar" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/idurgit/belajar-rust-dasar on toolchain f7b43542838f0a4a6cfdb17fbeadf45002042a77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/idurgit/belajar-rust-dasar
[INFO] finished tweaking git repo https://github.com/idurgit/belajar-rust-dasar
[INFO] tweaked toml for git repo https://github.com/idurgit/belajar-rust-dasar written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/idurgit/belajar-rust-dasar 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" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5c90131fa6787cf1e70b8566047bd2c88794f263484ee7334dbdb88b135a2cde
[INFO] running `Command { std: "docker" "start" "-a" "5c90131fa6787cf1e70b8566047bd2c88794f263484ee7334dbdb88b135a2cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5c90131fa6787cf1e70b8566047bd2c88794f263484ee7334dbdb88b135a2cde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c90131fa6787cf1e70b8566047bd2c88794f263484ee7334dbdb88b135a2cde", kill_on_drop: false }`
[INFO] [stdout] 5c90131fa6787cf1e70b8566047bd2c88794f263484ee7334dbdb88b135a2cde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19ae7bff02648b334ee09f76796e77301253cc88cdd1ee0d3e7cb7ceda4a4160
[INFO] running `Command { std: "docker" "start" "-a" "19ae7bff02648b334ee09f76796e77301253cc88cdd1ee0d3e7cb7ceda4a4160", kill_on_drop: false }`
[INFO] [stderr]     Checking belajar-rust-dasar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `first::say_hello`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use first::say_hello;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `second::say_hello as say_hello_second`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use second::say_hello as say_hello_second;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BTreeMap`, `HashMap`, `LinkedList`, and `VecDeque`
[INFO] [stdout]     --> src/main.rs:1157:24
[INFO] [stdout]      |
[INFO] [stdout] 1157 | use std::collections::{BTreeMap, HashMap, LinkedList, VecDeque};
[INFO] [stdout]      |                        ^^^^^^^^  ^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `of` should have an upper camel case name
[INFO] [stdout]     --> src/main.rs:1501:5
[INFO] [stdout]      |
[INFO] [stdout] 1501 |     of(String, Box<ProductCategory>),
[INFO] [stdout]      |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `Of`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `of` should have an upper camel case name
[INFO] [stdout]     --> src/main.rs:1586:5
[INFO] [stdout]      |
[INFO] [stdout] 1586 |     of(String, Rc<Brand>),
[INFO] [stdout]      |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `Of`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `hi`
[INFO] [stdout]     --> src/main.rs:1633:14
[INFO] [stdout]      |
[INFO] [stdout] 1633 | macro_rules! hi {
[INFO] [stdout]      |              ^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `of` should have an upper camel case name
[INFO] [stdout]     --> src/main.rs:1501:5
[INFO] [stdout]      |
[INFO] [stdout] 1501 |     of(String, Box<ProductCategory>),
[INFO] [stdout]      |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `Of`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `of` should have an upper camel case name
[INFO] [stdout]     --> src/main.rs:1586:5
[INFO] [stdout]      |
[INFO] [stdout] 1586 |     of(String, Rc<Brand>),
[INFO] [stdout]      |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `Of`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unit` is never used
[INFO] [stdout]    --> src/main.rs:149:4
[INFO] [stdout]     |
[INFO] [stdout] 149 | fn unit() {
[INFO] [stdout]     |    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAXIMUM` is never used
[INFO] [stdout]    --> src/main.rs:187:7
[INFO] [stdout]     |
[INFO] [stdout] 187 | const MAXIMUM: i32 = 100;
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_goodbye` is never used
[INFO] [stdout]    --> src/main.rs:446:4
[INFO] [stdout]     |
[INFO] [stdout] 446 | fn say_goodbye(first_name: &str, last_name: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_loop` is never used
[INFO] [stdout]    --> src/main.rs:456:4
[INFO] [stdout]     |
[INFO] [stdout] 456 | fn factorial_loop(n: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_text` is never used
[INFO] [stdout]    --> src/main.rs:477:4
[INFO] [stdout]     |
[INFO] [stdout] 477 | fn print_text(value: String, times: u32) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_recursive` is never used
[INFO] [stdout]    --> src/main.rs:496:4
[INFO] [stdout]     |
[INFO] [stdout] 496 | fn factorial_recursive(n: u32) -> u32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_number` is never used
[INFO] [stdout]    --> src/main.rs:512:4
[INFO] [stdout]     |
[INFO] [stdout] 512 | fn print_number(number: i32) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hi` is never used
[INFO] [stdout]    --> src/main.rs:516:4
[INFO] [stdout]     |
[INFO] [stdout] 516 | fn hi(name: String) {
[INFO] [stdout]     |    ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name` is never used
[INFO] [stdout]    --> src/main.rs:532:4
[INFO] [stdout]     |
[INFO] [stdout] 532 | fn full_name(first_name: String, last_name: String) -> (String, String, String) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full_name2` is never used
[INFO] [stdout]    --> src/main.rs:551:4
[INFO] [stdout]     |
[INFO] [stdout] 551 | fn full_name2(first_name: &String, last_name: &String) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change_value` is never used
[INFO] [stdout]    --> src/main.rs:568:4
[INFO] [stdout]     |
[INFO] [stdout] 568 | fn change_value(value: &mut String) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_full_name` is never used
[INFO] [stdout]    --> src/main.rs:602:4
[INFO] [stdout]     |
[INFO] [stdout] 602 | fn get_full_name(first_name: &String, last_name: &String) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GeoPoint` is never constructed
[INFO] [stdout]    --> src/main.rs:702:8
[INFO] [stdout]     |
[INFO] [stdout] 702 | struct GeoPoint(f64, f64);
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/main.rs:705:8
[INFO] [stdout]     |
[INFO] [stdout] 704 | impl GeoPoint {
[INFO] [stdout]     | ------------- associated function in this implementation
[INFO] [stdout] 705 |     fn new(long: f64, lat: f64) -> GeoPoint {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Nothing` is never constructed
[INFO] [stdout]    --> src/main.rs:725:8
[INFO] [stdout]     |
[INFO] [stdout] 725 | struct Nothing;
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]    --> src/main.rs:742:8
[INFO] [stdout]     |
[INFO] [stdout] 742 | struct Person {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `say_hello` is never used
[INFO] [stdout]    --> src/main.rs:750:8
[INFO] [stdout]     |
[INFO] [stdout] 749 | impl Person {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] 750 |     fn say_hello(&self, name: &str) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_person` is never used
[INFO] [stdout]    --> src/main.rs:755:4
[INFO] [stdout]     |
[INFO] [stdout] 755 | fn print_person(person: &Person) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Level` is never used
[INFO] [stdout]    --> src/main.rs:777:6
[INFO] [stdout]     |
[INFO] [stdout] 777 | enum Level {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Payment` is never used
[INFO] [stdout]    --> src/main.rs:805:6
[INFO] [stdout]     |
[INFO] [stdout] 805 | enum Payment {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `pay` is never used
[INFO] [stdout]    --> src/main.rs:812:8
[INFO] [stdout]     |
[INFO] [stdout] 811 | impl Payment {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 812 |     fn pay(&self, amount: u32) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayHello` is never used
[INFO] [stdout]    --> src/main.rs:963:7
[INFO] [stdout]     |
[INFO] [stdout] 963 | trait CanSayHello {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSayGoodBye` is never used
[INFO] [stdout]    --> src/main.rs:971:7
[INFO] [stdout]     |
[INFO] [stdout] 971 | trait CanSayGoodBye {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_trait` is never used
[INFO] [stdout]    --> src/main.rs:994:4
[INFO] [stdout]     |
[INFO] [stdout] 994 | fn say_hello_trait(value: &impl CanSayHello) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello_and_goodbye` is never used
[INFO] [stdout]    --> src/main.rs:998:4
[INFO] [stdout]     |
[INFO] [stdout] 998 | fn hello_and_goodbye(value: &(impl CanSayHello + CanSayGoodBye)) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimplePerson` is never constructed
[INFO] [stdout]     --> src/main.rs:1026:8
[INFO] [stdout]      |
[INFO] [stdout] 1026 | struct SimplePerson {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_person` is never used
[INFO] [stdout]     --> src/main.rs:1039:4
[INFO] [stdout]      |
[INFO] [stdout] 1039 | fn create_person(name: String) -> impl CanSayGoodBye {
[INFO] [stdout]      |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSay` is never used
[INFO] [stdout]     --> src/main.rs:1050:7
[INFO] [stdout]      |
[INFO] [stdout] 1050 | trait CanSay: CanSayHello + CanSayGoodBye {
[INFO] [stdout]      |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleMan` is never constructed
[INFO] [stdout]     --> src/main.rs:1056:8
[INFO] [stdout]      |
[INFO] [stdout] 1056 | struct SimpleMan {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]     --> src/main.rs:1060:8
[INFO] [stdout]      |
[INFO] [stdout] 1060 | struct Point<T> {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_x` and `get_y` are never used
[INFO] [stdout]     --> src/main.rs:1066:8
[INFO] [stdout]      |
[INFO] [stdout] 1065 | impl<T> Point<T> {
[INFO] [stdout]      | ---------------- methods in this implementation
[INFO] [stdout] 1066 |     fn get_x(&self) -> &T {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1070 |     fn get_y(&self) -> &T {
[INFO] [stdout]      |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Value` is never used
[INFO] [stdout]     --> src/main.rs:1084:6
[INFO] [stdout]      |
[INFO] [stdout] 1084 | enum Value<T> {
[INFO] [stdout]      |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hi` is never constructed
[INFO] [stdout]     --> src/main.rs:1103:8
[INFO] [stdout]      |
[INFO] [stdout] 1103 | struct Hi<T: CanSayGoodBye> {
[INFO] [stdout]      |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]     --> src/main.rs:1118:4
[INFO] [stdout]      |
[INFO] [stdout] 1118 | fn min<T: PartialOrd>(value1: T, value2: T) -> T {
[INFO] [stdout]      |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GetValue` is never used
[INFO] [stdout]     --> src/main.rs:1143:7
[INFO] [stdout]      |
[INFO] [stdout] 1143 | trait GetValue<T>
[INFO] [stdout]      |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `double` is never used
[INFO] [stdout]     --> src/main.rs:1183:4
[INFO] [stdout]      |
[INFO] [stdout] 1183 | fn double(value: Option<i32>) -> Option<i32> {
[INFO] [stdout]      |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Category` is never constructed
[INFO] [stdout]     --> src/main.rs:1221:8
[INFO] [stdout]      |
[INFO] [stdout] 1221 | struct Category {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]     --> src/main.rs:1255:8
[INFO] [stdout]      |
[INFO] [stdout] 1255 | struct Counter {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `increment` is never used
[INFO] [stdout]     --> src/main.rs:1260:8
[INFO] [stdout]      |
[INFO] [stdout] 1259 | impl Counter {
[INFO] [stdout]      | ------------ method in this implementation
[INFO] [stdout] 1260 |     fn increment(&mut self) {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest` is never used
[INFO] [stdout]     --> src/main.rs:1387:4
[INFO] [stdout]      |
[INFO] [stdout] 1387 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]      |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]     --> src/main.rs:1405:8
[INFO] [stdout]      |
[INFO] [stdout] 1405 | struct Student<'a> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `longest_name` is never used
[INFO] [stdout]     --> src/main.rs:1411:8
[INFO] [stdout]      |
[INFO] [stdout] 1410 | impl<'a> Student<'a> {
[INFO] [stdout]      | -------------------- method in this implementation
[INFO] [stdout] 1411 |     fn longest_name(&self, student: &'a Student) -> &'a str {
[INFO] [stdout]      |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_student_name` is never used
[INFO] [stdout]     --> src/main.rs:1420:4
[INFO] [stdout]      |
[INFO] [stdout] 1420 | fn longest_student_name<'a>(student1: &'a Student, student2: &'a Student) -> &'a str {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Teacher` is never constructed
[INFO] [stdout]     --> src/main.rs:1448:8
[INFO] [stdout]      |
[INFO] [stdout] 1448 | struct Teacher<'a, T>
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Company` is never constructed
[INFO] [stdout]     --> src/main.rs:1467:8
[INFO] [stdout]      |
[INFO] [stdout] 1467 | struct Company {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ProductCategory` is never used
[INFO] [stdout]     --> src/main.rs:1500:6
[INFO] [stdout]      |
[INFO] [stdout] 1500 | enum ProductCategory {
[INFO] [stdout]      |      ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_category` is never used
[INFO] [stdout]     --> src/main.rs:1518:4
[INFO] [stdout]      |
[INFO] [stdout] 1518 | fn print_category(category: &ProductCategory) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MyValue` is never constructed
[INFO] [stdout]     --> src/main.rs:1531:8
[INFO] [stdout]      |
[INFO] [stdout] 1531 | struct MyValue<T> {
[INFO] [stdout]      |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello_reference` is never used
[INFO] [stdout]     --> src/main.rs:1550:4
[INFO] [stdout]      |
[INFO] [stdout] 1550 | fn say_hello_reference(name: &str) {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Book` is never constructed
[INFO] [stdout]     --> src/main.rs:1563:8
[INFO] [stdout]      |
[INFO] [stdout] 1563 | struct Book {
[INFO] [stdout]      |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Brand` is never used
[INFO] [stdout]     --> src/main.rs:1585:6
[INFO] [stdout]      |
[INFO] [stdout] 1585 | enum Brand {
[INFO] [stdout]      |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Seller` is never constructed
[INFO] [stdout]     --> src/main.rs:1607:8
[INFO] [stdout]      |
[INFO] [stdout] 1607 | struct Seller {
[INFO] [stdout]      |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `APPLICATION` is never used
[INFO] [stdout]     --> src/main.rs:1626:8
[INFO] [stdout]      |
[INFO] [stdout] 1626 | static APPLICATION : &str = "My Application";
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/first.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn say_hello() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]   --> src/first.rs:11:16
[INFO] [stdout]    |
[INFO] [stdout] 11 |         pub fn say_hello() {
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/model.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct User {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `say_hello` is never used
[INFO] [stdout]   --> src/model.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 10 |     pub fn say_hello(&self, name: &str) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/second.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn say_hello() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_hello` is never used
[INFO] [stdout]  --> src/third.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn say_hello() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `laptop`
[INFO] [stdout]     --> src/main.rs:1595:9
[INFO] [stdout]      |
[INFO] [stdout] 1595 |     let laptop = Brand::of("Laptop".to_string(), apple.clone());
[INFO] [stdout]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_laptop`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phone`
[INFO] [stdout]     --> src/main.rs:1599:13
[INFO] [stdout]      |
[INFO] [stdout] 1599 |         let phone = Brand::of("Phone".to_string(), apple.clone());
[INFO] [stdout]      |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_phone`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Premium` and `Platinum` are never constructed
[INFO] [stdout]    --> src/main.rs:779:5
[INFO] [stdout]     |
[INFO] [stdout] 777 | enum Level {
[INFO] [stdout]     |      ----- variants in this enum
[INFO] [stdout] 778 |     Regular,
[INFO] [stdout] 779 |     Premium,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 780 |     Platinum,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CanSay` is never used
[INFO] [stdout]     --> src/main.rs:1050:7
[INFO] [stdout]      |
[INFO] [stdout] 1050 | trait CanSay: CanSayHello + CanSayGoodBye {
[INFO] [stdout]      |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SimpleMan` is never constructed
[INFO] [stdout]     --> src/main.rs:1056:8
[INFO] [stdout]      |
[INFO] [stdout] 1056 | struct SimpleMan {
[INFO] [stdout]      |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `None` is never constructed
[INFO] [stdout]     --> src/main.rs:1085:5
[INFO] [stdout]      |
[INFO] [stdout] 1084 | enum Value<T> {
[INFO] [stdout]      |      ----- variant in this enum
[INFO] [stdout] 1085 |     None,
[INFO] [stdout]      |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_name` is never read
[INFO] [stdout]     --> src/main.rs:1407:5
[INFO] [stdout]      |
[INFO] [stdout] 1405 | struct Student<'a> {
[INFO] [stdout]      |        ------- field in this struct
[INFO] [stdout] 1406 |     name: &'a str,
[INFO] [stdout] 1407 |     last_name: &'a str,
[INFO] [stdout]      |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]     --> src/main.rs:1501:8
[INFO] [stdout]      |
[INFO] [stdout] 1501 |     of(String, Box<ProductCategory>),
[INFO] [stdout]      |     -- ^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     fields in this variant
[INFO] [stdout]      |
[INFO] [stdout]      = note: `ProductCategory` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]      |
[INFO] [stdout] 1501 -     of(String, Box<ProductCategory>),
[INFO] [stdout] 1501 +     of((), ()),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pages` is never read
[INFO] [stdout]     --> src/main.rs:1566:5
[INFO] [stdout]      |
[INFO] [stdout] 1563 | struct Book {
[INFO] [stdout]      |        ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1566 |     pages: u32,
[INFO] [stdout]      |     ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `Book` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]     --> src/main.rs:1586:8
[INFO] [stdout]      |
[INFO] [stdout] 1586 |     of(String, Rc<Brand>),
[INFO] [stdout]      |     -- ^^^^^^  ^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     fields in this variant
[INFO] [stdout]      |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]      |
[INFO] [stdout] 1586 -     of(String, Rc<Brand>),
[INFO] [stdout] 1586 +     of((), ()),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `active` is never read
[INFO] [stdout]     --> src/main.rs:1609:5
[INFO] [stdout]      |
[INFO] [stdout] 1607 | struct Seller {
[INFO] [stdout]      |        ------ field in this struct
[INFO] [stdout] 1608 |     name: RefCell<String>,
[INFO] [stdout] 1609 |     active: RefCell<bool>,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `Seller` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `last_name`, `username`, `email`, and `age` are never read
[INFO] [stdout]  --> src/model.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct User {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 2 |     pub first_name: String,
[INFO] [stdout] 3 |     pub last_name: String,
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 4 |     pub username: String,
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout] 5 |     pub email: String,
[INFO] [stdout]   |         ^^^^^
[INFO] [stdout] 6 |     pub age: u8,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "19ae7bff02648b334ee09f76796e77301253cc88cdd1ee0d3e7cb7ceda4a4160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ae7bff02648b334ee09f76796e77301253cc88cdd1ee0d3e7cb7ceda4a4160", kill_on_drop: false }`
[INFO] [stdout] 19ae7bff02648b334ee09f76796e77301253cc88cdd1ee0d3e7cb7ceda4a4160