[INFO] cloning repository https://github.com/marc1730/rust_tutorials
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marc1730/rust_tutorials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc1730%2Frust_tutorials", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc1730%2Frust_tutorials'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e57d33a7149bb6668dcc2794bce5845f4e7940f1
[INFO] testing marc1730/rust_tutorials against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc1730%2Frust_tutorials" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marc1730/rust_tutorials on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marc1730/rust_tutorials
[INFO] finished tweaking git repo https://github.com/marc1730/rust_tutorials
[INFO] tweaked toml for git repo https://github.com/marc1730/rust_tutorials written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/marc1730/rust_tutorials already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] 1077a1513388ef626c47c91346394c6dccc20f0fe8150a48b5e579bb8826910b
[INFO] running `Command { std: "docker" "start" "-a" "1077a1513388ef626c47c91346394c6dccc20f0fe8150a48b5e579bb8826910b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1077a1513388ef626c47c91346394c6dccc20f0fe8150a48b5e579bb8826910b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1077a1513388ef626c47c91346394c6dccc20f0fe8150a48b5e579bb8826910b", kill_on_drop: false }`
[INFO] [stdout] 1077a1513388ef626c47c91346394c6dccc20f0fe8150a48b5e579bb8826910b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 856af612b90908be3422c993daa6de7b3dbe3bc85a78def73584d90ad1ba5333
[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" "856af612b90908be3422c993daa6de7b3dbe3bc85a78def73584d90ad1ba5333", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling Tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/errorhandling.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     panic!("Crash and burn.");
[INFO] [stdout]    |     -------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 |     let f = File::open("hello.txt");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scoresAlternate`
[INFO] [stdout]   --> src/collections.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let scoresAlternate: HashMap<_, _> = teams.iter().zip(initial_scores.iter()).collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scoresAlternate`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/errorhandling.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f = match f {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lifetimes.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let i = ImportantExcerpt {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/print.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vars.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/types.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/string.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/tuples.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/array.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vector.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/conditional.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/loops.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/functions.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greeting`
[INFO] [stdout]   --> src/functions.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn greeting(greet: &str, name: &str){
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/functions.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn add(n1: i32, n2: i32) -> i32{
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/pointer_ref.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]   --> src/structs.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Person{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/structs.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn new(first: &str, last: &str) -> Person{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `full_name`
[INFO] [stdout]   --> src/structs.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn full_name(&self) -> String{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_last_name`
[INFO] [stdout]   --> src/structs.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn set_last_name(&mut self, last: &str){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_tuple`
[INFO] [stdout]   --> src/structs.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn to_tuple(self) -> (String,String){
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/structs.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Movement`
[INFO] [stdout]  --> src/enums.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Movement{
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `move_avatar`
[INFO] [stdout]  --> src/enums.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn move_avatar(m: Movement){
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/enums.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/guessANum.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/calculateRectangle.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn area(&self) -> u32{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `can_hold`
[INFO] [stdout]   --> src/calculateRectangle.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/calculateRectangle.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `areaTuple`
[INFO] [stdout]   --> src/calculateRectangle.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn areaTuple(dimensions: (u32,u32)) -> u32{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/collections.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/errorhandling.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_username_from_file`
[INFO] [stdout]   --> src/errorhandling.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]   --> src/generics.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Point<T, U> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mixup`
[INFO] [stdout]   --> src/generics.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn mixup<V, W>(self, other: Point<V, W>) -> Point<T, W> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Option`
[INFO] [stdout]   --> src/generics.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Option<T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/generics.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `largest`
[INFO] [stdout]   --> src/generics.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn largest<T:PartialOrd + Copy>(list: &[T]) -> T {    
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `largestAlt`
[INFO] [stdout]   --> src/generics.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn largestAlt<T:PartialOrd>(list: &[T]) -> &T {    
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `returns_summarizable`
[INFO] [stdout]   --> src/traits.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn returns_summarizable() -> impl Summary {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify`
[INFO] [stdout]   --> src/traits.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn notify<T: Summary>(item: T) {                    // trait bound syntax 
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pair`
[INFO] [stdout]   --> src/traits.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Pair<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/traits.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn new(x: T, y: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cmp_display`
[INFO] [stdout]   --> src/traits.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/traits.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ImportantExcerpt`
[INFO] [stdout]  --> src/lifetimes.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ImportantExcerpt<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `level`
[INFO] [stdout]   --> src/lifetimes.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn level(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `announce_and_return_part`
[INFO] [stdout]   --> src/lifetimes.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/lifetimes.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `longest`
[INFO] [stdout]   --> src/lifetimes.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `internal_adder`
[INFO] [stdout]  --> src/automatedTests.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn internal_adder(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `can_hold`
[INFO] [stdout]   --> src/automatedTests.rs:58:8
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/automatedTests.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Tutorial` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `tutorial`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `guessANum` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod guessANum;
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `guess_anum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `calculateRectangle` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | mod calculateRectangle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_rectangle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `automatedTests` should have a snake case name
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | mod automatedTests;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `automated_tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `areaTuple` should have a snake case name
[INFO] [stdout]   --> src/calculateRectangle.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn areaTuple(dimensions: (u32,u32)) -> u32{
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `area_tuple`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `scoresAlternate` should have a snake case name
[INFO] [stdout]   --> src/collections.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let scoresAlternate: HashMap<_, _> = teams.iter().zip(initial_scores.iter()).collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `scores_alternate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largestAlt` should have a snake case name
[INFO] [stdout]   --> src/generics.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn largestAlt<T:PartialOrd>(list: &[T]) -> &T {    
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `largest_alt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 62 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "856af612b90908be3422c993daa6de7b3dbe3bc85a78def73584d90ad1ba5333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856af612b90908be3422c993daa6de7b3dbe3bc85a78def73584d90ad1ba5333", kill_on_drop: false }`
[INFO] [stdout] 856af612b90908be3422c993daa6de7b3dbe3bc85a78def73584d90ad1ba5333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4052b78d0b3d258d98930b3c95077bbe14d1c3e22e71ac99c3edc2ea338bdd8d
[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" "4052b78d0b3d258d98930b3c95077bbe14d1c3e22e71ac99c3edc2ea338bdd8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling Tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/errorhandling.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     panic!("Crash and burn.");
[INFO] [stdout]    |     -------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 24 |     let f = File::open("hello.txt");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scoresAlternate`
[INFO] [stdout]   --> src/collections.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let scoresAlternate: HashMap<_, _> = teams.iter().zip(initial_scores.iter()).collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scoresAlternate`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/errorhandling.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let f = match f {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/lifetimes.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let i = ImportantExcerpt {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/print.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vars.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/types.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/string.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/tuples.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/array.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/vector.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/conditional.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/loops.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/functions.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `greeting`
[INFO] [stdout]   --> src/functions.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn greeting(greet: &str, name: &str){
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]   --> src/functions.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn add(n1: i32, n2: i32) -> i32{
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/pointer_ref.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Person`
[INFO] [stdout]   --> src/structs.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Person{
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/structs.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn new(first: &str, last: &str) -> Person{
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `full_name`
[INFO] [stdout]   --> src/structs.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn full_name(&self) -> String{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_last_name`
[INFO] [stdout]   --> src/structs.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn set_last_name(&mut self, last: &str){
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_tuple`
[INFO] [stdout]   --> src/structs.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn to_tuple(self) -> (String,String){
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/structs.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Movement`
[INFO] [stdout]  --> src/enums.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Movement{
[INFO] [stdout]   |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `move_avatar`
[INFO] [stdout]  --> src/enums.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn move_avatar(m: Movement){
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/enums.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/cli.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/guessANum.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `area`
[INFO] [stdout]   --> src/calculateRectangle.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn area(&self) -> u32{
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `can_hold`
[INFO] [stdout]   --> src/calculateRectangle.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/calculateRectangle.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `areaTuple`
[INFO] [stdout]   --> src/calculateRectangle.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn areaTuple(dimensions: (u32,u32)) -> u32{
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/collections.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run(){
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/errorhandling.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_username_from_file`
[INFO] [stdout]   --> src/errorhandling.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Point`
[INFO] [stdout]   --> src/generics.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Point<T, U> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mixup`
[INFO] [stdout]   --> src/generics.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn mixup<V, W>(self, other: Point<V, W>) -> Point<T, W> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Option`
[INFO] [stdout]   --> src/generics.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum Option<T> {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/generics.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `largest`
[INFO] [stdout]   --> src/generics.rs:80:4
[INFO] [stdout]    |
[INFO] [stdout] 80 | fn largest<T:PartialOrd + Copy>(list: &[T]) -> T {    
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `largestAlt`
[INFO] [stdout]   --> src/generics.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn largestAlt<T:PartialOrd>(list: &[T]) -> &T {    
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `returns_summarizable`
[INFO] [stdout]   --> src/traits.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn returns_summarizable() -> impl Summary {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `notify`
[INFO] [stdout]   --> src/traits.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn notify<T: Summary>(item: T) {                    // trait bound syntax 
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Pair`
[INFO] [stdout]   --> src/traits.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Pair<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/traits.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn new(x: T, y: T) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cmp_display`
[INFO] [stdout]   --> src/traits.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/traits.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ImportantExcerpt`
[INFO] [stdout]  --> src/lifetimes.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct ImportantExcerpt<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `level`
[INFO] [stdout]   --> src/lifetimes.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn level(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `announce_and_return_part`
[INFO] [stdout]   --> src/lifetimes.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/lifetimes.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `longest`
[INFO] [stdout]   --> src/lifetimes.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `internal_adder`
[INFO] [stdout]  --> src/automatedTests.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn internal_adder(a: i32, b: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `internal`
[INFO] [stdout]   --> src/automatedTests.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn internal() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/automatedTests.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn run(){
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Tutorial` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `tutorial`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `guessANum` should have a snake case name
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | mod guessANum;
[INFO] [stdout]    |     ^^^^^^^^^ help: convert the identifier to snake case: `guess_anum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `calculateRectangle` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | mod calculateRectangle;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_rectangle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `automatedTests` should have a snake case name
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | mod automatedTests;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `automated_tests`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `areaTuple` should have a snake case name
[INFO] [stdout]   --> src/calculateRectangle.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn areaTuple(dimensions: (u32,u32)) -> u32{
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `area_tuple`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `scoresAlternate` should have a snake case name
[INFO] [stdout]   --> src/collections.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let scoresAlternate: HashMap<_, _> = teams.iter().zip(initial_scores.iter()).collect();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `scores_alternate`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `largestAlt` should have a snake case name
[INFO] [stdout]   --> src/generics.rs:91:4
[INFO] [stdout]    |
[INFO] [stdout] 91 | fn largestAlt<T:PartialOrd>(list: &[T]) -> &T {    
[INFO] [stdout]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `largest_alt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 62 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "4052b78d0b3d258d98930b3c95077bbe14d1c3e22e71ac99c3edc2ea338bdd8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4052b78d0b3d258d98930b3c95077bbe14d1c3e22e71ac99c3edc2ea338bdd8d", kill_on_drop: false }`
[INFO] [stdout] 4052b78d0b3d258d98930b3c95077bbe14d1c3e22e71ac99c3edc2ea338bdd8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.47.0" "test" "--frozen", 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] 9c07b276ffa3f97800a8e5ce454adf48793081de3cae0abb6bed8b0f69a65a1d
[INFO] running `Command { std: "docker" "start" "-a" "9c07b276ffa3f97800a8e5ce454adf48793081de3cae0abb6bed8b0f69a65a1d", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/errorhandling.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     panic!("Crash and burn.");
[INFO] [stderr]    |     -------------------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 24 |     let f = File::open("hello.txt");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scoresAlternate`
[INFO] [stderr]   --> src/collections.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let scoresAlternate: HashMap<_, _> = teams.iter().zip(initial_scores.iter()).collect();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_scoresAlternate`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/errorhandling.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let f = match f {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/lifetimes.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let i = ImportantExcerpt {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/print.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/vars.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/types.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub fn run(){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/string.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/tuples.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/array.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/vector.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/conditional.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/loops.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/functions.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `greeting`
[INFO] [stderr]   --> src/functions.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn greeting(greet: &str, name: &str){
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add`
[INFO] [stderr]   --> src/functions.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn add(n1: i32, n2: i32) -> i32{
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/pointer_ref.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Person`
[INFO] [stderr]   --> src/structs.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | struct Person{
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/structs.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn new(first: &str, last: &str) -> Person{
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `full_name`
[INFO] [stderr]   --> src/structs.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn full_name(&self) -> String{
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_last_name`
[INFO] [stderr]   --> src/structs.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn set_last_name(&mut self, last: &str){
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_tuple`
[INFO] [stderr]   --> src/structs.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn to_tuple(self) -> (String,String){
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/structs.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn run(){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Movement`
[INFO] [stderr]  --> src/enums.rs:2:6
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum Movement{
[INFO] [stderr]   |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `move_avatar`
[INFO] [stderr]  --> src/enums.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn move_avatar(m: Movement){
[INFO] [stderr]   |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/enums.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn run(){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/cli.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/guessANum.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `area`
[INFO] [stderr]   --> src/calculateRectangle.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn area(&self) -> u32{
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `can_hold`
[INFO] [stderr]   --> src/calculateRectangle.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/calculateRectangle.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn run(){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `areaTuple`
[INFO] [stderr]   --> src/calculateRectangle.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn areaTuple(dimensions: (u32,u32)) -> u32{
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/collections.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn run(){
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/errorhandling.rs:18:8
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub fn run(){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_username_from_file`
[INFO] [stderr]   --> src/errorhandling.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn read_username_from_file() -> Result<String, io::Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Point`
[INFO] [stderr]   --> src/generics.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | struct Point<T, U> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `mixup`
[INFO] [stderr]   --> src/generics.rs:30:8
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn mixup<V, W>(self, other: Point<V, W>) -> Point<T, W> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Option`
[INFO] [stderr]   --> src/generics.rs:39:6
[INFO] [stderr]    |
[INFO] [stderr] 39 | enum Option<T> {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/generics.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn run(){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `largest`
[INFO] [stderr]   --> src/generics.rs:80:4
[INFO] [stderr]    |
[INFO] [stderr] 80 | fn largest<T:PartialOrd + Copy>(list: &[T]) -> T {    
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `largestAlt`
[INFO] [stderr]   --> src/generics.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn largestAlt<T:PartialOrd>(list: &[T]) -> &T {    
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `returns_summarizable`
[INFO] [stderr]   --> src/traits.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn returns_summarizable() -> impl Summary {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `notify`
[INFO] [stderr]   --> src/traits.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn notify<T: Summary>(item: T) {                    // trait bound syntax 
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Pair`
[INFO] [stderr]   --> src/traits.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | struct Pair<T> {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/traits.rs:49:8
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn new(x: T, y: T) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cmp_display`
[INFO] [stderr]   --> src/traits.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn cmp_display(&self) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/traits.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 | pub fn run(){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ImportantExcerpt`
[INFO] [stderr]  --> src/lifetimes.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct ImportantExcerpt<'a> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `level`
[INFO] [stderr]   --> src/lifetimes.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn level(&self) -> i32 {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `announce_and_return_part`
[INFO] [stderr]   --> src/lifetimes.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/lifetimes.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub fn run(){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `longest`
[INFO] [stderr]   --> src/lifetimes.rs:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `internal_adder`
[INFO] [stderr]  --> src/automatedTests.rs:2:4
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn internal_adder(a: i32, b: i32) -> i32 {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `internal`
[INFO] [stderr]   --> src/automatedTests.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn internal() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]   --> src/automatedTests.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn run(){
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Tutorial` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `tutorial`
[INFO] [stderr] 
[INFO] [stderr] warning: module `guessANum` should have a snake case name
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | mod guessANum;
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to snake case: `guess_anum`
[INFO] [stderr] 
[INFO] [stderr] warning: module `calculateRectangle` should have a snake case name
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | mod calculateRectangle;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `calculate_rectangle`
[INFO] [stderr] 
[INFO] [stderr] warning: module `automatedTests` should have a snake case name
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | mod automatedTests;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `automated_tests`
[INFO] [stderr] 
[INFO] [stderr] warning: function `areaTuple` should have a snake case name
[INFO] [stderr]   --> src/calculateRectangle.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | pub fn areaTuple(dimensions: (u32,u32)) -> u32{
[INFO] [stderr]    |        ^^^^^^^^^ help: convert the identifier to snake case: `area_tuple`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `scoresAlternate` should have a snake case name
[INFO] [stderr]   --> src/collections.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let scoresAlternate: HashMap<_, _> = teams.iter().zip(initial_scores.iter()).collect();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `scores_alternate`
[INFO] [stderr] 
[INFO] [stderr] warning: function `largestAlt` should have a snake case name
[INFO] [stderr]   --> src/generics.rs:91:4
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn largestAlt<T:PartialOrd>(list: &[T]) -> &T {    
[INFO] [stderr]    |    ^^^^^^^^^^ help: convert the identifier to snake case: `largest_alt`
[INFO] [stderr] 
[INFO] [stderr] warning: 62 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Tutorial-9c167a33ff35bef8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test automatedTests::tests::expensive_test ... ignored
[INFO] [stdout] test automatedTests::tests::larger_can_hold_smaller ... ok
[INFO] [stdout] test automatedTests::tests::it_works ... ok
[INFO] [stdout] test automatedTests::tests::exploration ... ok
[INFO] [stdout] test automatedTests::tests::another ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- automatedTests::tests::another stdout ----
[INFO] [stdout] thread 'automatedTests::tests::another' panicked at 'Make this test fail', src/automatedTests.rs:41:9
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55bae2748fe0 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55bae2748fe0 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55bae2748fe0 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55bae2748fe0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55bae276bd9c - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x55bae26f0ce5 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x55bae2743d51 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x55bae274b460 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55bae274b460 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55bae274b460 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x55bae274b156 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x55bae274bac3 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x55bae272e4ac - std::panicking::begin_panic::{{closure}}::ha4bdc43546bcd6f8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:498
[INFO] [stdout]   13:     0x55bae272dbb9 - std::sys_common::backtrace::__rust_end_short_backtrace::ha4db28c6c398ea23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55bae272e3d7 - std::panicking::begin_panic::h89ac4806df1ca9f7
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:497
[INFO] [stdout]   15:     0x55bae26ef7fd - Tutorial::automatedTests::tests::another::h8d8aeea06584f0ef
[INFO] [stdout]                                at /opt/rustwide/workdir/src/automatedTests.rs:41
[INFO] [stdout]   16:     0x55bae26ef7ca - Tutorial::automatedTests::tests::another::{{closure}}::h3e5286c555a9870b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/automatedTests.rs:40
[INFO] [stdout]   17:     0x55bae26ef52e - core::ops::function::FnOnce::call_once::h02dd7914315e0761
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   18:     0x55bae27195c3 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x55bae27195c3 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   20:     0x55bae2717a93 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   21:     0x55bae2717a93 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   22:     0x55bae2717a93 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   23:     0x55bae2717a93 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   24:     0x55bae2717a93 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   25:     0x55bae2717a93 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   26:     0x55bae2717a93 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   27:     0x55bae26f0116 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   28:     0x55bae26f5345 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   29:     0x55bae26f5345 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   30:     0x55bae26f5345 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   31:     0x55bae26f5345 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   32:     0x55bae26f5345 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   33:     0x55bae26f5345 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   34:     0x55bae26f5345 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   35:     0x55bae275227a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   36:     0x55bae275227a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x55bae275227a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   38:     0x7f3da2dc5609 - start_thread
[INFO] [stdout]   39:     0x7f3da2cd1103 - clone
[INFO] [stdout]   40:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     automatedTests::tests::another
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--bin Tutorial'
[INFO] running `Command { std: "docker" "inspect" "9c07b276ffa3f97800a8e5ce454adf48793081de3cae0abb6bed8b0f69a65a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c07b276ffa3f97800a8e5ce454adf48793081de3cae0abb6bed8b0f69a65a1d", kill_on_drop: false }`
[INFO] [stdout] 9c07b276ffa3f97800a8e5ce454adf48793081de3cae0abb6bed8b0f69a65a1d
