[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] 901af1b99efb7117a4f4999778b10472c72b3d00
[INFO] checking iamNarcisse/my-rust against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiamNarcisse%2Fmy-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iamNarcisse/my-rust on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-3/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbcffee05d46969dcebafdbca43b10cff7ed4e3044fac4198a90233633515a6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fbcffee05d46969dcebafdbca43b10cff7ed4e3044fac4198a90233633515a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbcffee05d46969dcebafdbca43b10cff7ed4e3044fac4198a90233633515a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbcffee05d46969dcebafdbca43b10cff7ed4e3044fac4198a90233633515a6f", kill_on_drop: false }`
[INFO] [stdout] fbcffee05d46969dcebafdbca43b10cff7ed4e3044fac4198a90233633515a6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44390068a04bef8871981dee1129b9cebc404bf71e95819d2cfad5fd65c396db
[INFO] running `Command { std: "docker" "start" "-a" "44390068a04bef8871981dee1129b9cebc404bf71e95819d2cfad5fd65c396db", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.91
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[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: `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 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: 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: `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: 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: 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: `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: `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: 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: 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: `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: `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: `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: 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: 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: 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: 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] 
[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] 
[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] 
[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: `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] 
[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] 
[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] 
[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: 48 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 48 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.84s
[INFO] running `Command { std: "docker" "inspect" "44390068a04bef8871981dee1129b9cebc404bf71e95819d2cfad5fd65c396db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44390068a04bef8871981dee1129b9cebc404bf71e95819d2cfad5fd65c396db", kill_on_drop: false }`
[INFO] [stdout] 44390068a04bef8871981dee1129b9cebc404bf71e95819d2cfad5fd65c396db