[INFO] cloning repository https://github.com/danielc92/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielc92/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielc92%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielc92%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23ccfc34e5883ee77ec11f69c2f608412fb6bcd5
[INFO] testing danielc92/learning-rust against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielc92%2Flearning-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/danielc92/learning-rust on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danielc92/learning-rust
[INFO] finished tweaking git repo https://github.com/danielc92/learning-rust
[INFO] tweaked toml for git repo https://github.com/danielc92/learning-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/danielc92/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsonwebtoken v7.1.1
[INFO] [stderr]   Downloaded ring v0.16.14
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d182f263b0e1194354f224aabc62449e21c9e183136334a1fd7ebf7e624b642
[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" "0d182f263b0e1194354f224aabc62449e21c9e183136334a1fd7ebf7e624b642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d182f263b0e1194354f224aabc62449e21c9e183136334a1fd7ebf7e624b642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d182f263b0e1194354f224aabc62449e21c9e183136334a1fd7ebf7e624b642", kill_on_drop: false }`
[INFO] [stdout] 0d182f263b0e1194354f224aabc62449e21c9e183136334a1fd7ebf7e624b642
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c4112700fd1a271e41bc4ff495b8bc9be2da59e3e3f0d4a1d04bbc02bb1bc56
[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" "4c4112700fd1a271e41bc4ff495b8bc9be2da59e3e3f0d4a1d04bbc02bb1bc56", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling autocfg v0.1.7
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[INFO] [stderr]    Compiling arc-swap v0.4.7
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[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling futures-sink v0.3.5
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[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling encoding_rs v0.8.23
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[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
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[INFO] [stderr]    Compiling rand_pcg v0.1.2
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[INFO] [stderr]    Compiling rand_isaac v0.1.1
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[INFO] [stderr]    Compiling iovec v0.1.4
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[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling ring v0.16.14
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling simple_asn1 v0.4.0
[INFO] [stderr]    Compiling pem v0.8.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.5
[INFO] [stderr]    Compiling hyper v0.13.6
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling jsonwebtoken v7.1.1
[INFO] [stderr]    Compiling reqwest v0.10.6
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `is_watching`
[INFO] [stdout]  --> src/bool_stuff.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let is_watching: bool = false;
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_watching`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/stdin_stuff.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Ok(x) => Ok(buffer.trim().to_string()),
[INFO] [stdout]   |            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/looping_stuff.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut my_array: [i32; 10] = [1, 123, 32, 4, 33, 5235, 4325, 345, 23, 3];
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `linear_search`
[INFO] [stdout]  --> src/algorithm_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn linear_search(sample: &[usize; 10], target: &usize) -> Option<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_search`
[INFO] [stdout]   --> src/algorithm_stuff.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn binary_search(sample: &[usize; 10], target: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_todos`
[INFO] [stdout]   --> src/api_stuff.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub async fn get_todos() -> Result<Vec<User>, Error> {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_it_out`
[INFO] [stdout]  --> src/array_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn try_it_out() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_it_out`
[INFO] [stdout]  --> src/bool_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn try_it_out() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/datetime_stuff.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Direction`
[INFO] [stdout]  --> src/enum_stuff.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Direction {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `display_dir`
[INFO] [stdout]  --> src/enum_stuff.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn display_dir() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file_read_to_succeed`
[INFO] [stdout]  --> src/error_handling.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn file_read_to_succeed() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file_read_to_fail`
[INFO] [stdout]  --> src/error_handling.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn file_read_to_fail() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `area_of_square`
[INFO] [stdout]  --> src/function_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn area_of_square(length: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_array_nums`
[INFO] [stdout]  --> src/function_stuff.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sum_array_nums(arr: &[i32]) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `loop_until`
[INFO] [stdout]   --> src/function_stuff.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn loop_until(number: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_student`
[INFO] [stdout]   --> src/function_stuff.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn match_student(grade: u16) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `if_elsing`
[INFO] [stdout]   --> src/function_stuff.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn if_elsing(name: &String) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `loop_with_break`
[INFO] [stdout]  --> src/looping_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn loop_with_break() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `loop_array_with_an_index`
[INFO] [stdout]   --> src/looping_stuff.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn loop_array_with_an_index() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `while_with_break`
[INFO] [stdout]   --> src/looping_stuff.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn while_with_break() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_name`
[INFO] [stdout]  --> src/some_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn validate_name(name: &String) -> Option<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_number`
[INFO] [stdout]  --> src/some_stuff.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn validate_number(number: &i32) -> Option<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_to_option`
[INFO] [stdout]   --> src/some_stuff.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn add_to_option(x: Option<i32>) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `return_enrolled`
[INFO] [stdout]   --> src/some_stuff.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn return_enrolled(name: &str) -> Option<&str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_input`
[INFO] [stdout]  --> src/stdin_stuff.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn get_input(q: &str) -> io::Result<String> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a_task`
[INFO] [stdout]  --> src/struct_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a_task() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a_coord`
[INFO] [stdout]   --> src/struct_stuff.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn a_coord() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a_basket`
[INFO] [stdout]   --> src/struct_stuff.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn a_basket() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_it_out`
[INFO] [stdout]  --> src/token_stuff.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn try_it_out() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_it_out`
[INFO] [stdout]  --> src/variable_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn try_it_out() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `userId` should have a snake case name
[INFO] [stdout]   --> src/api_stuff.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     userId: i32,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to snake case: `user_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `Command { std: "docker" "inspect" "4c4112700fd1a271e41bc4ff495b8bc9be2da59e3e3f0d4a1d04bbc02bb1bc56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4112700fd1a271e41bc4ff495b8bc9be2da59e3e3f0d4a1d04bbc02bb1bc56", kill_on_drop: false }`
[INFO] [stdout] 4c4112700fd1a271e41bc4ff495b8bc9be2da59e3e3f0d4a1d04bbc02bb1bc56
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--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] e9fb0a6e371eafb735bfb42a56daa8a748805f8cf28aa9d9094ec78d97459bc7
[INFO] running `Command { std: "docker" "start" "-a" "e9fb0a6e371eafb735bfb42a56daa8a748805f8cf28aa9d9094ec78d97459bc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `is_watching`
[INFO] [stdout]  --> src/bool_stuff.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let is_watching: bool = false;
[INFO] [stdout]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_watching`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/stdin_stuff.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Ok(x) => Ok(buffer.trim().to_string()),
[INFO] [stdout]   |            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/looping_stuff.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut my_array: [i32; 10] = [1, 123, 32, 4, 33, 5235, 4325, 345, 23, 3];
[INFO] [stdout]    |         ----^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `linear_search`
[INFO] [stdout]  --> src/algorithm_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn linear_search(sample: &[usize; 10], target: &usize) -> Option<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary_search`
[INFO] [stdout]   --> src/algorithm_stuff.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn binary_search(sample: &[usize; 10], target: usize) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_todos`
[INFO] [stdout]   --> src/api_stuff.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub async fn get_todos() -> Result<Vec<User>, Error> {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_it_out`
[INFO] [stdout]  --> src/array_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn try_it_out() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_it_out`
[INFO] [stdout]  --> src/bool_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn try_it_out() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/datetime_stuff.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Direction`
[INFO] [stdout]  --> src/enum_stuff.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Direction {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `display_dir`
[INFO] [stdout]  --> src/enum_stuff.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn display_dir() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file_read_to_succeed`
[INFO] [stdout]  --> src/error_handling.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn file_read_to_succeed() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `file_read_to_fail`
[INFO] [stdout]  --> src/error_handling.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn file_read_to_fail() -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `area_of_square`
[INFO] [stdout]  --> src/function_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn area_of_square(length: i32) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sum_array_nums`
[INFO] [stdout]  --> src/function_stuff.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn sum_array_nums(arr: &[i32]) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `loop_until`
[INFO] [stdout]   --> src/function_stuff.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn loop_until(number: i32) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `match_student`
[INFO] [stdout]   --> src/function_stuff.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn match_student(grade: u16) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `if_elsing`
[INFO] [stdout]   --> src/function_stuff.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub fn if_elsing(name: &String) -> String {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `loop_with_break`
[INFO] [stdout]  --> src/looping_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn loop_with_break() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `loop_array_with_an_index`
[INFO] [stdout]   --> src/looping_stuff.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn loop_array_with_an_index() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `while_with_break`
[INFO] [stdout]   --> src/looping_stuff.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn while_with_break() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_name`
[INFO] [stdout]  --> src/some_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn validate_name(name: &String) -> Option<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `validate_number`
[INFO] [stdout]  --> src/some_stuff.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn validate_number(number: &i32) -> Option<String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_to_option`
[INFO] [stdout]   --> src/some_stuff.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn add_to_option(x: Option<i32>) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `return_enrolled`
[INFO] [stdout]   --> src/some_stuff.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn return_enrolled(name: &str) -> Option<&str> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_input`
[INFO] [stdout]  --> src/stdin_stuff.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn get_input(q: &str) -> io::Result<String> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a_task`
[INFO] [stdout]  --> src/struct_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn a_task() {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a_coord`
[INFO] [stdout]   --> src/struct_stuff.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn a_coord() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `a_basket`
[INFO] [stdout]   --> src/struct_stuff.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn a_basket() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_it_out`
[INFO] [stdout]  --> src/token_stuff.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn try_it_out() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_it_out`
[INFO] [stdout]  --> src/variable_stuff.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn try_it_out() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `userId` should have a snake case name
[INFO] [stdout]   --> src/api_stuff.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     userId: i32,
[INFO] [stdout]    |     ^^^^^^ help: convert the identifier to snake case: `user_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "e9fb0a6e371eafb735bfb42a56daa8a748805f8cf28aa9d9094ec78d97459bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9fb0a6e371eafb735bfb42a56daa8a748805f8cf28aa9d9094ec78d97459bc7", kill_on_drop: false }`
[INFO] [stdout] e9fb0a6e371eafb735bfb42a56daa8a748805f8cf28aa9d9094ec78d97459bc7
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25c5583318903e135a893d4324c02395e9dd1d08fc1771c080235e2cf0b21869
[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" "25c5583318903e135a893d4324c02395e9dd1d08fc1771c080235e2cf0b21869", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `is_watching`
[INFO] [stderr]  --> src/bool_stuff.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let is_watching: bool = false;
[INFO] [stderr]   |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_watching`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/stdin_stuff.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 |         Ok(x) => Ok(buffer.trim().to_string()),
[INFO] [stderr]   |            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/looping_stuff.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let mut my_array: [i32; 10] = [1, 123, 32, 4, 33, 5235, 4325, 345, 23, 3];
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `linear_search`
[INFO] [stderr]  --> src/algorithm_stuff.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn linear_search(sample: &[usize; 10], target: &usize) -> Option<String> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `binary_search`
[INFO] [stderr]   --> src/algorithm_stuff.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub fn binary_search(sample: &[usize; 10], target: usize) -> usize {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_todos`
[INFO] [stderr]   --> src/api_stuff.rs:21:14
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub async fn get_todos() -> Result<Vec<User>, Error> {
[INFO] [stderr]    |              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_it_out`
[INFO] [stderr]  --> src/array_stuff.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn try_it_out() {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_it_out`
[INFO] [stderr]  --> src/bool_stuff.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn try_it_out() {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/datetime_stuff.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Direction`
[INFO] [stderr]  --> src/enum_stuff.rs:1:6
[INFO] [stderr]   |
[INFO] [stderr] 1 | enum Direction {
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `display_dir`
[INFO] [stderr]  --> src/enum_stuff.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn display_dir() {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `file_read_to_succeed`
[INFO] [stderr]  --> src/error_handling.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn file_read_to_succeed() -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `file_read_to_fail`
[INFO] [stderr]  --> src/error_handling.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn file_read_to_fail() -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `area_of_square`
[INFO] [stderr]  --> src/function_stuff.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn area_of_square(length: i32) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sum_array_nums`
[INFO] [stderr]  --> src/function_stuff.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn sum_array_nums(arr: &[i32]) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `loop_until`
[INFO] [stderr]   --> src/function_stuff.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn loop_until(number: i32) {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `match_student`
[INFO] [stderr]   --> src/function_stuff.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn match_student(grade: u16) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `if_elsing`
[INFO] [stderr]   --> src/function_stuff.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub fn if_elsing(name: &String) -> String {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `loop_with_break`
[INFO] [stderr]  --> src/looping_stuff.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn loop_with_break() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `loop_array_with_an_index`
[INFO] [stderr]   --> src/looping_stuff.rs:13:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn loop_array_with_an_index() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `while_with_break`
[INFO] [stderr]   --> src/looping_stuff.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn while_with_break() {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_name`
[INFO] [stderr]  --> src/some_stuff.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn validate_name(name: &String) -> Option<String> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `validate_number`
[INFO] [stderr]  --> src/some_stuff.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn validate_number(number: &i32) -> Option<String> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_to_option`
[INFO] [stderr]   --> src/some_stuff.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn add_to_option(x: Option<i32>) -> Option<i32> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `return_enrolled`
[INFO] [stderr]   --> src/some_stuff.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn return_enrolled(name: &str) -> Option<&str> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_input`
[INFO] [stderr]  --> src/stdin_stuff.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn get_input(q: &str) -> io::Result<String> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a_task`
[INFO] [stderr]  --> src/struct_stuff.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn a_task() {
[INFO] [stderr]   |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a_coord`
[INFO] [stderr]   --> src/struct_stuff.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn a_coord() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `a_basket`
[INFO] [stderr]   --> src/struct_stuff.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn a_basket() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_it_out`
[INFO] [stderr]  --> src/token_stuff.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn try_it_out() {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_it_out`
[INFO] [stderr]  --> src/variable_stuff.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn try_it_out() {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `userId` should have a snake case name
[INFO] [stderr]   --> src/api_stuff.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     userId: i32,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to snake case: `user_id`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 32 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learning_rust-ec84fb7d8095f9a7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25c5583318903e135a893d4324c02395e9dd1d08fc1771c080235e2cf0b21869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c5583318903e135a893d4324c02395e9dd1d08fc1771c080235e2cf0b21869", kill_on_drop: false }`
[INFO] [stdout] 25c5583318903e135a893d4324c02395e9dd1d08fc1771c080235e2cf0b21869
