[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 try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarc1730%2Frust_tutorials" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marc1730/rust_tutorials on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-9/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5941bc8b43033f4e7dec890e93242ea4717a38fd0ca02e46c7957a26c06de2e
[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" "e5941bc8b43033f4e7dec890e93242ea4717a38fd0ca02e46c7957a26c06de2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5941bc8b43033f4e7dec890e93242ea4717a38fd0ca02e46c7957a26c06de2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5941bc8b43033f4e7dec890e93242ea4717a38fd0ca02e46c7957a26c06de2e", kill_on_drop: false }`
[INFO] [stdout] e5941bc8b43033f4e7dec890e93242ea4717a38fd0ca02e46c7957a26c06de2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] fb76e9b02fa6f2c0e8c565ab250359c75ba67680d81a0cdd75c195139a339f3d
[INFO] running `Command { std: "docker" "start" "-a" "fb76e9b02fa6f2c0e8c565ab250359c75ba67680d81a0cdd75c195139a339f3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling rand_core v0.4.2
[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 6.13s
[INFO] running `Command { std: "docker" "inspect" "fb76e9b02fa6f2c0e8c565ab250359c75ba67680d81a0cdd75c195139a339f3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb76e9b02fa6f2c0e8c565ab250359c75ba67680d81a0cdd75c195139a339f3d", kill_on_drop: false }`
[INFO] [stdout] fb76e9b02fa6f2c0e8c565ab250359c75ba67680d81a0cdd75c195139a339f3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 3b6c9c81df6fbf5c73e1ba10f0b2163ba2985a7f592e2c3fc0a899b871c3b69e
[INFO] running `Command { std: "docker" "start" "-a" "3b6c9c81df6fbf5c73e1ba10f0b2163ba2985a7f592e2c3fc0a899b871c3b69e", 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 0.86s
[INFO] running `Command { std: "docker" "inspect" "3b6c9c81df6fbf5c73e1ba10f0b2163ba2985a7f592e2c3fc0a899b871c3b69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6c9c81df6fbf5c73e1ba10f0b2163ba2985a7f592e2c3fc0a899b871c3b69e", kill_on_drop: false }`
[INFO] [stdout] 3b6c9c81df6fbf5c73e1ba10f0b2163ba2985a7f592e2c3fc0a899b871c3b69e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] b02fd96b6b9380ff6a6bfd5fead3cf7ed02c33aebd324f1376212645f1b9b03b
[INFO] running `Command { std: "docker" "start" "-a" "b02fd96b6b9380ff6a6bfd5fead3cf7ed02c33aebd324f1376212645f1b9b03b", 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 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/Tutorial-bb7424c4a235a5c5
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test automatedTests::tests::expensive_test ... ignored
[INFO] [stdout] test automatedTests::tests::it_works ... ok
[INFO] [stdout] test automatedTests::tests::larger_can_hold_smaller ... 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:     0x5618067d42d5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stdout]    1:     0x5618067d42d5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x5618067d42d5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stdout]    3:     0x5618067d42d5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stdout]    4:     0x5618067fbf4c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stdout]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stdout]    5:     0x561806787c25 - std::io::Write::write_fmt::h4be0daababb55bba
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/io/mod.rs:1539
[INFO] [stdout]    6:     0x5618067ce9a1 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h83c1e1aa73f374f5
[INFO] [stdout]                                at src/libstd/io/impls.rs:176
[INFO] [stdout]    7:     0x5618067d6a30 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stdout]    8:     0x5618067d6a30 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stdout]    9:     0x5618067d6a30 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stdout]                                at src/libstd/panicking.rs:198
[INFO] [stdout]   10:     0x5618067d672a - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stdout]                                at src/libstd/panicking.rs:214
[INFO] [stdout]   11:     0x5618067d7073 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stdout]                                at src/libstd/panicking.rs:526
[INFO] [stdout]   12:     0x5618067c5739 - std::panicking::begin_panic::hc22626c5f898db62
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:456
[INFO] [stdout]   13:     0x5618067867dd - Tutorial::automatedTests::tests::another::hba7ff4aa7f78ca8f
[INFO] [stdout]                                at src/automatedTests.rs:41
[INFO] [stdout]   14:     0x5618067867aa - Tutorial::automatedTests::tests::another::{{closure}}::h2aad50fdcb3ad327
[INFO] [stdout]                                at src/automatedTests.rs:40
[INFO] [stdout]   15:     0x56180678690e - core::ops::function::FnOnce::call_once::h98ee438c20cd2238
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233
[INFO] [stdout]   16:     0x5618067af19c - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h8340ba6798e0c4ff
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081
[INFO] [stdout]   17:     0x5618067af19c - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5590e98676605094
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318
[INFO] [stdout]   18:     0x5618067af19c - std::panicking::try::do_call::hd8680a2dbb0ed3c4
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348
[INFO] [stdout]   19:     0x5618067af19c - std::panicking::try::h46b4de2d705e7a8d
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325
[INFO] [stdout]   20:     0x5618067af19c - std::panic::catch_unwind::h059b3f06991e0a9c
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394
[INFO] [stdout]   21:     0x5618067af19c - test::run_test_in_process::h5ae08a65430494a4
[INFO] [stdout]                                at src/libtest/lib.rs:541
[INFO] [stdout]   22:     0x5618067af19c - test::run_test::run_test_inner::{{closure}}::h4b36073838376ae8
[INFO] [stdout]                                at src/libtest/lib.rs:450
[INFO] [stdout]   23:     0x561806787116 - std::sys_common::backtrace::__rust_begin_short_backtrace::h0169d0be588b8bf0
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/sys_common/backtrace.rs:130
[INFO] [stdout]   24:     0x56180678c105 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h71bfc37e887d3973
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:475
[INFO] [stdout]   25:     0x56180678c105 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h36c65072907dc180
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:318
[INFO] [stdout]   26:     0x56180678c105 - std::panicking::try::do_call::h4e0f426e17cd216c
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:348
[INFO] [stdout]   27:     0x56180678c105 - std::panicking::try::hd05e4ef6b4303d29
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panicking.rs:325
[INFO] [stdout]   28:     0x56180678c105 - std::panic::catch_unwind::h19a1127ec729c5dd
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/panic.rs:394
[INFO] [stdout]   29:     0x56180678c105 - std::thread::Builder::spawn_unchecked::{{closure}}::h011300735f06b1e2
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libstd/thread/mod.rs:474
[INFO] [stdout]   30:     0x56180678c105 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1e3c55f31f1d122e
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/libcore/ops/function.rs:233
[INFO] [stdout]   31:     0x5618067dd24a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::hc0e15d78a519721e
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081
[INFO] [stdout]   32:     0x5618067dd24a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h211da8fffb09f192
[INFO] [stdout]                                at /rustc/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/src/liballoc/boxed.rs:1081
[INFO] [stdout]   33:     0x5618067dd24a - std::sys::unix::thread::Thread::new::thread_start::h29594ddebf23e421
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:87
[INFO] [stdout]   34:     0x7f1ae9edc609 - start_thread
[INFO] [stdout]   35:     0x7f1ae9de8103 - __clone
[INFO] [stdout]   36:                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" "b02fd96b6b9380ff6a6bfd5fead3cf7ed02c33aebd324f1376212645f1b9b03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02fd96b6b9380ff6a6bfd5fead3cf7ed02c33aebd324f1376212645f1b9b03b", kill_on_drop: false }`
[INFO] [stdout] b02fd96b6b9380ff6a6bfd5fead3cf7ed02c33aebd324f1376212645f1b9b03b