[INFO] cloning repository https://github.com/iamNarcisse/my-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iamNarcisse/my-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiamNarcisse%2Fmy-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiamNarcisse%2Fmy-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c31ea44f6dce9ad797ffccf8d912aff2e29d97fc
[INFO] testing iamNarcisse/my-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiamNarcisse%2Fmy-rust" "/workspace/builds/worker-90/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-90/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iamNarcisse/my-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/iamNarcisse/my-rust
[INFO] finished tweaking git repo https://github.com/iamNarcisse/my-rust
[INFO] tweaked toml for git repo https://github.com/iamNarcisse/my-rust written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate git repo https://github.com/iamNarcisse/my-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ba78c4253f38890c833e5f871f1f2ba9f20a55cc188cbfa6d670315368a7236
[INFO] running `Command { std: "docker" "start" "-a" "5ba78c4253f38890c833e5f871f1f2ba9f20a55cc188cbfa6d670315368a7236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ba78c4253f38890c833e5f871f1f2ba9f20a55cc188cbfa6d670315368a7236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba78c4253f38890c833e5f871f1f2ba9f20a55cc188cbfa6d670315368a7236", kill_on_drop: false }`
[INFO] [stdout] 5ba78c4253f38890c833e5f871f1f2ba9f20a55cc188cbfa6d670315368a7236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16c5a838d51089a88d28527717055f7947528dada965ab59493a6c71a01394ff
[INFO] running `Command { std: "docker" "start" "-a" "16c5a838d51089a88d28527717055f7947528dada965ab59493a6c71a01394ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling tokio-util v0.6.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling h2 v0.3.2
[INFO] [stderr]    Compiling tower v0.4.6
[INFO] [stderr]    Compiling hyper v0.14.4
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling download-async v0.9.7
[INFO] [stderr]    Compiling hello_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/download/download.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]   --> src/all_tests/index.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::num;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | mod all_tests;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/error_handling/combinators.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let p = peel(apple);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `download_from_net_thread`
[INFO] [stdout]  --> src/download/download.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn download_from_net_thread() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]  --> src/variable/mutability.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn index() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]  --> src/variable/variable.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn index() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shadowing`
[INFO] [stdout]  --> src/variable/scoping.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn shadowing() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `freezing`
[INFO] [stdout]   --> src/variable/scoping.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn freezing() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]   --> src/variable/scoping.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn index() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]  --> src/types/casting.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn index() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]  --> src/inference/inference.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn index() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Narcisse`
[INFO] [stdout]  --> src/types/aliasing.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | type Narcisse = u64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Inch`
[INFO] [stdout]  --> src/types/aliasing.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | type Inch = u64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]  --> src/types/aliasing.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn index() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]  --> src/conversion/from_into.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     value: i32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/conversion/from_into.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]   --> src/conversion/from_into.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn index() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_while`
[INFO] [stdout]  --> src/flow_control/index.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn handle_while() {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `for_range`
[INFO] [stdout]   --> src/flow_control/index.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn for_range() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iterators`
[INFO] [stdout]   --> src/flow_control/index.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn iterators() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_match`
[INFO] [stdout]   --> src/flow_control/index.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn handle_match() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_tuple`
[INFO] [stdout]   --> src/flow_control/index.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn match_tuple() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]   --> src/flow_control/index.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn index() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/custom_types/index.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     name: String,
[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]  --> src/custom_types/index.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]  --> src/custom_types/index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     age: u8,
[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]  --> src/custom_types/index.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Unit`
[INFO] [stdout]  --> src/custom_types/index.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Unit;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/custom_types/index.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     x: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/custom_types/index.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]   --> src/custom_types/index.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     y: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/custom_types/index.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]   --> src/custom_types/index.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn index() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `square`
[INFO] [stdout]   --> src/custom_types/index.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn square(point: Point, top: f32, bottom: f32) -> Rectangle {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rect_area`
[INFO] [stdout]   --> src/custom_types/index.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn rect_area(rectange: Rectangle) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_divisible`
[INFO] [stdout]  --> src/functions/index.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn is_divisible(lhs: u32, rhs: u32) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fizz_buzz`
[INFO] [stdout]   --> src/functions/index.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn fizz_buzz(num: u32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]   --> src/functions/index.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]   --> src/functions/index.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `origin`
[INFO] [stdout]   --> src/functions/index.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn origin() -> Point {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_point`
[INFO] [stdout]   --> src/functions/index.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn new_point(x: f64, y: f64) -> Point {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rectangle`
[INFO] [stdout]   --> src/functions/index.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Circle`
[INFO] [stdout]   --> src/functions/index.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Circle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/functions/index.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn area(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `perimeter`
[INFO] [stdout]   --> src/functions/index.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn perimeter(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/functions/index.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn area(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `perimeter`
[INFO] [stdout]   --> src/functions/index.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn perimeter(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `closures`
[INFO] [stdout]   --> src/functions/index.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn closures() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]    --> src/functions/index.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `drink`
[INFO] [stdout]  --> src/error_handling/index.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn drink(drink: &str) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `give_adult`
[INFO] [stdout]   --> src/error_handling/index.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn give_adult(drink: Option<&str>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `drink_with_unwrap`
[INFO] [stdout]   --> src/error_handling/index.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn drink_with_unwrap(drink: Option<&str>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]   --> src/error_handling/index.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `phone_number`
[INFO] [stdout]   --> src/error_handling/index.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     phone_number: Option<PhoneNumber>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Job` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error_handling/index.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Clone, Copy)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `area_code`
[INFO] [stdout]   --> src/error_handling/index.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     area_code: Option<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error_handling/index.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[derive(Clone, Copy)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number`
[INFO] [stdout]   --> src/error_handling/index.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     number: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error_handling/index.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[derive(Clone, Copy)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `work_phone_area_code`
[INFO] [stdout]   --> src/error_handling/index.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn work_phone_area_code(&self) -> Option<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]   --> src/error_handling/index.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn test() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bad_add_number`
[INFO] [stdout]   --> src/all_tests/index.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn bad_add_number(a : i32, b : i32)  -> i32{
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sqrt`
[INFO] [stdout]   --> src/all_tests/index.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn sqrt(number : f64) ->  Result<f64, String> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `literals`
[INFO] [stdout]  --> src/types/literals.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn literals() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 56 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.70s
[INFO] running `Command { std: "docker" "inspect" "16c5a838d51089a88d28527717055f7947528dada965ab59493a6c71a01394ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c5a838d51089a88d28527717055f7947528dada965ab59493a6c71a01394ff", kill_on_drop: false }`
[INFO] [stdout] 16c5a838d51089a88d28527717055f7947528dada965ab59493a6c71a01394ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96be689bb23580c5399e2ad175674cecc78e471fb92e81b5fc8ecedad92f38f6
[INFO] running `Command { std: "docker" "start" "-a" "96be689bb23580c5399e2ad175674cecc78e471fb92e81b5fc8ecedad92f38f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/download/download.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]   --> src/all_tests/index.rs:1:5
[INFO] [stdout]    |
[INFO] [stdout] 1  | use core::num;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | mod all_tests;
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/error_handling/combinators.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let p = peel(apple);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `download_from_net_thread`
[INFO] [stdout]  --> src/download/download.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn download_from_net_thread() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]  --> src/variable/mutability.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn index() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]  --> src/variable/variable.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn index() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shadowing`
[INFO] [stdout]  --> src/variable/scoping.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn shadowing() {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `freezing`
[INFO] [stdout]   --> src/variable/scoping.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn freezing() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]   --> src/variable/scoping.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn index() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]  --> src/types/casting.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn index() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]  --> src/inference/inference.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn index() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Narcisse`
[INFO] [stdout]  --> src/types/aliasing.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | type Narcisse = u64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Inch`
[INFO] [stdout]  --> src/types/aliasing.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | type Inch = u64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]  --> src/types/aliasing.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn index() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]  --> src/conversion/from_into.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     value: i32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]  --> src/conversion/from_into.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]   --> src/conversion/from_into.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn index() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_while`
[INFO] [stdout]  --> src/flow_control/index.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn handle_while() {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `for_range`
[INFO] [stdout]   --> src/flow_control/index.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn for_range() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `iterators`
[INFO] [stdout]   --> src/flow_control/index.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn iterators() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_match`
[INFO] [stdout]   --> src/flow_control/index.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn handle_match() {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_tuple`
[INFO] [stdout]   --> src/flow_control/index.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn match_tuple() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]   --> src/flow_control/index.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn index() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/custom_types/index.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     name: String,
[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]  --> src/custom_types/index.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `age`
[INFO] [stdout]  --> src/custom_types/index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     age: u8,
[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]  --> src/custom_types/index.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[derive(Debug)]
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Unit`
[INFO] [stdout]  --> src/custom_types/index.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Unit;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]   --> src/custom_types/index.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     x: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/custom_types/index.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]   --> src/custom_types/index.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     y: f32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/custom_types/index.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `index`
[INFO] [stdout]   --> src/custom_types/index.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn index() {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `square`
[INFO] [stdout]   --> src/custom_types/index.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn square(point: Point, top: f32, bottom: f32) -> Rectangle {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rect_area`
[INFO] [stdout]   --> src/custom_types/index.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn rect_area(rectange: Rectangle) -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_divisible`
[INFO] [stdout]  --> src/functions/index.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn is_divisible(lhs: u32, rhs: u32) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fizz_buzz`
[INFO] [stdout]   --> src/functions/index.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn fizz_buzz(num: u32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]   --> src/functions/index.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]   --> src/functions/index.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Point {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `origin`
[INFO] [stdout]   --> src/functions/index.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn origin() -> Point {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_point`
[INFO] [stdout]   --> src/functions/index.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn new_point(x: f64, y: f64) -> Point {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Rectangle`
[INFO] [stdout]   --> src/functions/index.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Circle`
[INFO] [stdout]   --> src/functions/index.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct Circle {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/functions/index.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn area(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `perimeter`
[INFO] [stdout]   --> src/functions/index.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn perimeter(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/functions/index.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn area(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `perimeter`
[INFO] [stdout]   --> src/functions/index.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn perimeter(&self) -> f64 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `closures`
[INFO] [stdout]   --> src/functions/index.rs:81:4
[INFO] [stdout]    |
[INFO] [stdout] 81 | fn closures() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]    --> src/functions/index.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn main() {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `drink`
[INFO] [stdout]  --> src/error_handling/index.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn drink(drink: &str) {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `give_adult`
[INFO] [stdout]   --> src/error_handling/index.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn give_adult(drink: Option<&str>) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `drink_with_unwrap`
[INFO] [stdout]   --> src/error_handling/index.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn drink_with_unwrap(drink: Option<&str>) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]   --> src/error_handling/index.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Person {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `phone_number`
[INFO] [stdout]   --> src/error_handling/index.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     phone_number: Option<PhoneNumber>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Job` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error_handling/index.rs:39:10
[INFO] [stdout]    |
[INFO] [stdout] 39 | #[derive(Clone, Copy)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `area_code`
[INFO] [stdout]   --> src/error_handling/index.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     area_code: Option<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error_handling/index.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[derive(Clone, Copy)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number`
[INFO] [stdout]   --> src/error_handling/index.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 47 |     number: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/error_handling/index.rs:44:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[derive(Clone, Copy)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `work_phone_area_code`
[INFO] [stdout]   --> src/error_handling/index.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn work_phone_area_code(&self) -> Option<u8> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]   --> src/error_handling/index.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn test() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `literals`
[INFO] [stdout]  --> src/types/literals.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn literals() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 54 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_app-bd80355ff508b86b)
[INFO] running `Command { std: "docker" "inspect" "96be689bb23580c5399e2ad175674cecc78e471fb92e81b5fc8ecedad92f38f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96be689bb23580c5399e2ad175674cecc78e471fb92e81b5fc8ecedad92f38f6", kill_on_drop: false }`
[INFO] [stdout] 96be689bb23580c5399e2ad175674cecc78e471fb92e81b5fc8ecedad92f38f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf52d31c7801ef034ea818b30251e6ebec38175e22415d90a8bc447a9bc37864
[INFO] running `Command { std: "docker" "start" "-a" "cf52d31c7801ef034ea818b30251e6ebec38175e22415d90a8bc447a9bc37864", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stdout] 
[INFO] [stderr]  --> src/download/download.rs:1:5
[INFO] [stdout] running 3 tests
[INFO] [stderr]   |
[INFO] [stdout] test all_tests::tests::test_add ... ok
[INFO] [stderr] 1 | use std::thread;
[INFO] [stdout] test all_tests::tests::test_sqrt ... ok
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stdout] test all_tests::tests::bad_add ... FAILED
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] failures:
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `core::num`
[INFO] [stdout] ---- all_tests::tests::bad_add stdout ----
[INFO] [stderr]   --> src/all_tests/index.rs:1:5
[INFO] [stdout] thread 'all_tests::tests::bad_add' panicked at 'assertion failed: `(left == right)`
[INFO] [stderr]    |
[INFO] [stdout]   left: `-1`,
[INFO] [stderr] 1  | use core::num;
[INFO] [stdout]  right: `3`', src/all_tests/index.rs:43:8
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stdout] stack backtrace:
[INFO] [stderr]    |
[INFO] [stdout]    0:     0x556ab03636cd - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792
[INFO] [stderr] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]   --> src/main.rs:43:1
[INFO] [stdout]    1:     0x556ab03636cd - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e
[INFO] [stderr]    |
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr] 43 | mod all_tests;
[INFO] [stdout]    2:     0x556ab03636cd - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr] 
[INFO] [stdout]    3:     0x556ab03636cd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h26f189e611080a74
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]   --> src/error_handling/combinators.rs:26:9
[INFO] [stdout]    4:     0x556ab038645c - core::fmt::write::hfb5d11dfe037e8b7
[INFO] [stderr]    |
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17
[INFO] [stderr] 26 |     let p = peel(apple);
[INFO] [stdout]    5:     0x556ab0360091 - std::io::Write::write_fmt::h6a24ec64406df9e2
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15
[INFO] [stderr]    |
[INFO] [stdout]    6:     0x556ab0365415 - std::sys_common::backtrace::_print::h7a0e44402913ba60
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr] 
[INFO] [stdout]    7:     0x556ab0365415 - std::sys_common::backtrace::print::h9767dc455a84e728
[INFO] [stderr] warning: function is never used: `download_from_net_thread`
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]  --> src/download/download.rs:3:4
[INFO] [stdout]    8:     0x556ab0365415 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad
[INFO] [stderr]   |
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22
[INFO] [stderr] 3 | fn download_from_net_thread() {
[INFO] [stdout]    9:     0x556ab0365104 - std::panicking::default_hook::ha7b9bac6813f9d21
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9
[INFO] [stderr]   |
[INFO] [stdout]   10:     0x556ab0365962 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17
[INFO] [stderr] 
[INFO] [stdout]   11:     0x556ab0365847 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600
[INFO] [stderr] warning: function is never used: `index`
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13
[INFO] [stderr]  --> src/variable/mutability.rs:1:8
[INFO] [stdout]   12:     0x556ab0363b84 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0
[INFO] [stderr]   |
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr] 1 | pub fn index() {
[INFO] [stdout]   13:     0x556ab0365579 - rust_begin_unwind
[INFO] [stderr]   |        ^^^^^
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5
[INFO] [stderr] 
[INFO] [stdout]   14:     0x556ab03073d3 - core::panicking::panic_fmt::h5c41cb2fa118fdbc
[INFO] [stderr] warning: function is never used: `index`
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14
[INFO] [stderr]  --> src/variable/variable.rs:1:8
[INFO] [stdout]   15:     0x556ab0384d88 - core::panicking::assert_failed_inner::h337b271ded48bc15
[INFO] [stderr]   |
[INFO] [stdout]   16:     0x556ab030888a - core::panicking::assert_failed::h94492425a01c6147
[INFO] [stderr] 1 | pub fn index() {
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:182:5
[INFO] [stderr]   |        ^^^^^
[INFO] [stdout]   17:     0x556ab0309c25 - hello_app::all_tests::tests::bad_add::hd45b99c59c38a9af
[INFO] [stderr] 
[INFO] [stdout]                                at /opt/rustwide/workdir/src/all_tests/index.rs:43:8
[INFO] [stderr] warning: function is never used: `shadowing`
[INFO] [stdout]   18:     0x556ab0309b8a - hello_app::all_tests::tests::bad_add::{{closure}}::hc9c5fa071b4825cf
[INFO] [stderr]  --> src/variable/scoping.rs:1:4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/all_tests/index.rs:42:5
[INFO] [stderr]   |
[INFO] [stdout]   19:     0x556ab03081de - core::ops::function::FnOnce::call_once::hcfae305cccfff27b
[INFO] [stderr] 1 | fn shadowing() {
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5
[INFO] [stderr]   |    ^^^^^^^^^
[INFO] [stdout]   20:     0x556ab033f433 - core::ops::function::FnOnce::call_once::h018fc248431ce8de
[INFO] [stderr] 
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5
[INFO] [stderr] warning: function is never used: `freezing`
[INFO] [stdout]   21:     0x556ab033f433 - test::__rust_begin_short_backtrace::h293b982b6069d6e3
[INFO] [stderr]   --> src/variable/scoping.rs:18:4
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5
[INFO] [stderr]    |
[INFO] [stdout]   22:     0x556ab033e1e9 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4fc1be1a762c7a46
[INFO] [stderr] 18 | fn freezing() {
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stdout]   23:     0x556ab033e1e9 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897
[INFO] [stderr] 
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stderr] warning: function is never used: `index`
[INFO] [stdout]   24:     0x556ab033e1e9 - std::panicking::try::do_call::ha8cfa4b025f5b832
[INFO] [stderr]   --> src/variable/scoping.rs:27:8
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40
[INFO] [stderr]    |
[INFO] [stdout]   25:     0x556ab033e1e9 - std::panicking::try::h664f75e41c112145
[INFO] [stderr] 27 | pub fn index() {
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19
[INFO] [stderr]    |        ^^^^^
[INFO] [stdout]   26:     0x556ab033e1e9 - std::panic::catch_unwind::h4932ec05cd60558e
[INFO] [stderr] 
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14
[INFO] [stderr] warning: function is never used: `index`
[INFO] [stdout]   27:     0x556ab033e1e9 - test::run_test_in_process::ha14a47756671755c
[INFO] [stderr]  --> src/types/casting.rs:7:8
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18
[INFO] [stderr]   |
[INFO] [stdout]   28:     0x556ab033e1e9 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d
[INFO] [stderr] 7 | pub fn index() {
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39
[INFO] [stderr]   |        ^^^^^
[INFO] [stdout]   29:     0x556ab030a39e - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6
[INFO] [stderr] 
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37
[INFO] [stderr] warning: function is never used: `index`
[INFO] [stdout]   30:     0x556ab030a39e - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8
[INFO] [stderr]  --> src/inference/inference.rs:1:8
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]   |
[INFO] [stdout]   31:     0x556ab030f908 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb
[INFO] [stderr] 1 | pub fn index() {
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17
[INFO] [stderr]   |        ^^^^^
[INFO] [stdout]   32:     0x556ab030f908 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b
[INFO] [stderr] 
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9
[INFO] [stderr] warning: type alias is never used: `Narcisse`
[INFO] [stdout]   33:     0x556ab030f908 - std::panicking::try::do_call::hb4947142729b90fd
[INFO] [stderr]  --> src/types/aliasing.rs:1:1
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40
[INFO] [stderr]   |
[INFO] [stdout]   34:     0x556ab030f908 - std::panicking::try::h15a7e9b8394e6878
[INFO] [stderr] 1 | type Narcisse = u64;
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   35:     0x556ab030f908 - std::panic::catch_unwind::hbd3f4a3f9df49b85
[INFO] [stderr] 
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14
[INFO] [stderr] warning: type alias is never used: `Inch`
[INFO] [stdout]   36:     0x556ab030f908 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4
[INFO] [stderr]  --> src/types/aliasing.rs:2:1
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30
[INFO] [stderr]   |
[INFO] [stdout]   37:     0x556ab030f908 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061
[INFO] [stderr] 2 | type Inch = u64;
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout]   38:     0x556ab036a173 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdba7f2afed0c35b3
[INFO] [stderr] 
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9
[INFO] [stderr] warning: function is never used: `index`
[INFO] [stdout]   39:     0x556ab036a173 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h38b0832765bf7961
[INFO] [stderr]  --> src/types/aliasing.rs:8:8
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9
[INFO] [stderr]   |
[INFO] [stdout]   40:     0x556ab036a173 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e
[INFO] [stderr] 8 | pub fn index() {
[INFO] [stdout]                                at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stderr]   |        ^^^^^
[INFO] [stdout]   41:     0x7f0513249609 - start_thread
[INFO] [stderr] 
[INFO] [stdout]   42:     0x7f0513019163 - clone
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stdout]   43:                0x0 - <unknown>
[INFO] [stderr]  --> src/conversion/from_into.rs:5:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 5 |     value: i32,
[INFO] [stdout] failures:
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stdout]     all_tests::tests::bad_add
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stderr]  --> src/conversion/from_into.rs:3:10
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr] 3 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `index`
[INFO] [stderr]   --> src/conversion/from_into.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn index() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_while`
[INFO] [stderr]  --> src/flow_control/index.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn handle_while() {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `for_range`
[INFO] [stderr]   --> src/flow_control/index.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn for_range() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `iterators`
[INFO] [stderr]   --> src/flow_control/index.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn iterators() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `handle_match`
[INFO] [stderr]   --> src/flow_control/index.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn handle_match() {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `match_tuple`
[INFO] [stderr]   --> src/flow_control/index.rs:80:4
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn match_tuple() {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `index`
[INFO] [stderr]   --> src/flow_control/index.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub fn index() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/custom_types/index.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     name: String,
[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]  --> src/custom_types/index.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `age`
[INFO] [stderr]  --> src/custom_types/index.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     age: u8,
[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]  --> src/custom_types/index.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(Debug)]
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Unit`
[INFO] [stderr]  --> src/custom_types/index.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Unit;
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]   --> src/custom_types/index.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     x: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/custom_types/index.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]   --> src/custom_types/index.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     y: f32,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/custom_types/index.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `index`
[INFO] [stderr]   --> src/custom_types/index.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub fn index() {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `square`
[INFO] [stderr]   --> src/custom_types/index.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn square(point: Point, top: f32, bottom: f32) -> Rectangle {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rect_area`
[INFO] [stderr]   --> src/custom_types/index.rs:85:4
[INFO] [stderr]    |
[INFO] [stderr] 85 | fn rect_area(rectange: Rectangle) -> f32 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_divisible`
[INFO] [stderr]  --> src/functions/index.rs:5:4
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn is_divisible(lhs: u32, rhs: u32) -> bool {
[INFO] [stderr]   |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fizz_buzz`
[INFO] [stderr]   --> src/functions/index.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn fizz_buzz(num: u32) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Person`
[INFO] [stderr]   --> src/functions/index.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct Person {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Point`
[INFO] [stderr]   --> src/functions/index.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | struct Point {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `origin`
[INFO] [stderr]   --> src/functions/index.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn origin() -> Point {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_point`
[INFO] [stderr]   --> src/functions/index.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn new_point(x: f64, y: f64) -> Point {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Rectangle`
[INFO] [stderr]   --> src/functions/index.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | struct Rectangle {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Circle`
[INFO] [stderr]   --> src/functions/index.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 48 | struct Circle {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `area`
[INFO] [stderr]   --> src/functions/index.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn area(&self) -> f64 {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `perimeter`
[INFO] [stderr]   --> src/functions/index.rs:58:8
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn perimeter(&self) -> f64 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `area`
[INFO] [stderr]   --> src/functions/index.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn area(&self) -> f64 {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `perimeter`
[INFO] [stderr]   --> src/functions/index.rs:73:8
[INFO] [stderr]    |
[INFO] [stderr] 73 |     fn perimeter(&self) -> f64 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `closures`
[INFO] [stderr]   --> src/functions/index.rs:81:4
[INFO] [stderr]    |
[INFO] [stderr] 81 | fn closures() {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]    --> src/functions/index.rs:100:8
[INFO] [stderr]     |
[INFO] [stderr] 100 | pub fn main() {
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `drink`
[INFO] [stderr]  --> src/error_handling/index.rs:3:4
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn drink(drink: &str) {
[INFO] [stderr]   |    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `give_adult`
[INFO] [stderr]   --> src/error_handling/index.rs:11:4
[INFO] [stderr]    |
[INFO] [stderr] 11 | fn give_adult(drink: Option<&str>) {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `drink_with_unwrap`
[INFO] [stderr]   --> src/error_handling/index.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn drink_with_unwrap(drink: Option<&str>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Person`
[INFO] [stderr]   --> src/error_handling/index.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | struct Person {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `phone_number`
[INFO] [stderr]   --> src/error_handling/index.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     phone_number: Option<PhoneNumber>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Job` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/error_handling/index.rs:39:10
[INFO] [stderr]    |
[INFO] [stderr] 39 | #[derive(Clone, Copy)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `area_code`
[INFO] [stderr]   --> src/error_handling/index.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     area_code: Option<u8>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/error_handling/index.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | #[derive(Clone, Copy)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `number`
[INFO] [stderr]   --> src/error_handling/index.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     number: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `PhoneNumber` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/error_handling/index.rs:44:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | #[derive(Clone, Copy)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `work_phone_area_code`
[INFO] [stderr]   --> src/error_handling/index.rs:51:8
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn work_phone_area_code(&self) -> Option<u8> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test`
[INFO] [stderr]   --> src/error_handling/index.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn test() {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `literals`
[INFO] [stderr]  --> src/types/literals.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn literals() {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `hello_app` (bin "hello_app" test) generated 54 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.83s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_app-bd80355ff508b86b)
[INFO] [stderr] error: test failed, to rerun pass '--bin hello_app'
[INFO] running `Command { std: "docker" "inspect" "cf52d31c7801ef034ea818b30251e6ebec38175e22415d90a8bc447a9bc37864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf52d31c7801ef034ea818b30251e6ebec38175e22415d90a8bc447a9bc37864", kill_on_drop: false }`
[INFO] [stdout] cf52d31c7801ef034ea818b30251e6ebec38175e22415d90a8bc447a9bc37864