[INFO] cloning repository https://github.com/0xTaneja/Lets-Go-Rusty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xTaneja/Lets-Go-Rusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xTaneja%2FLets-Go-Rusty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xTaneja%2FLets-Go-Rusty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b37ed94025c0ea2ae029e0f228e475c3d41f4eaf
[INFO] checking 0xTaneja/Lets-Go-Rusty against try#54cf65b8d066c082e536455049b95943cf30378f for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xTaneja%2FLets-Go-Rusty" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xTaneja/Lets-Go-Rusty
[INFO] finished tweaking git repo https://github.com/0xTaneja/Lets-Go-Rusty
[INFO] tweaked toml for git repo https://github.com/0xTaneja/Lets-Go-Rusty written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xTaneja/Lets-Go-Rusty on toolchain 54cf65b8d066c082e536455049b95943cf30378f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xTaneja/Lets-Go-Rusty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f11bdcb6141c0f87154cd456efb09d663df3020c5d29d0e83ef1d588cdad8778
[INFO] running `Command { std: "docker" "start" "-a" "f11bdcb6141c0f87154cd456efb09d663df3020c5d29d0e83ef1d588cdad8778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f11bdcb6141c0f87154cd456efb09d663df3020c5d29d0e83ef1d588cdad8778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f11bdcb6141c0f87154cd456efb09d663df3020c5d29d0e83ef1d588cdad8778", kill_on_drop: false }`
[INFO] [stdout] f11bdcb6141c0f87154cd456efb09d663df3020c5d29d0e83ef1d588cdad8778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+54cf65b8d066c082e536455049b95943cf30378f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9c5ee1fe5c647fa74e3750792a2605160cabffe4dcc57f6d61efd4292b636db
[INFO] running `Command { std: "docker" "start" "-a" "a9c5ee1fe5c647fa74e3750792a2605160cabffe4dcc57f6d61efd4292b636db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling serde_json v1.0.146
[INFO] [stderr]     Checking ryu v1.0.21
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking uuid v1.19.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking src v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/bin/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     for i in 0..100 {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/trt.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut u1 = User {
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sign_in_count` and `username` are never read
[INFO] [stdout]   --> src/bin/trt.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout]  8 |     active: bool,
[INFO] [stdout]  9 |     sign_in_count: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 10 |     username: String
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/bin/converttojson.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::{self, Value};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `username`, `password`, and `age` are never read
[INFO] [stdout]  --> src/bin/struct_implementation.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 3 |     name : String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     username: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     password : String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     age: i8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_area_2` is never used
[INFO] [stdout]   --> src/bin/trti.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn get_area_2<T:Shape>(shape:T) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error`
[INFO] [stdout]  --> src/bin/errorhandling.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rect` should have an upper camel case name
[INFO] [stdout]  --> src/bin/lenofrectwithself.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct rect {
[INFO] [stdout]   |        ^^^^ help: convert the identifier to upper camel case: `Rect`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Result` is never used
[INFO] [stdout]  --> src/bin/errorhandling.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Result {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Value`
[INFO] [stdout]  --> src/bin/converttojson.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_json::{self, Value};
[INFO] [stdout]   |                        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/trt.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let mut u1 = User {
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sign_in_count` and `username` are never read
[INFO] [stdout]   --> src/bin/trt.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout]  8 |     active: bool,
[INFO] [stdout]  9 |     sign_in_count: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 10 |     username: String
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `s` should have an upper camel case name
[INFO] [stdout]  --> src/bin/dbgtrt.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct s {
[INFO] [stdout]   |        ^ help: convert the identifier to upper camel case (notice the capitalization): `S`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rect` should have an upper camel case name
[INFO] [stdout]  --> src/bin/lenofrectwithoutself.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct rect {
[INFO] [stdout]   |        ^^^^ help: convert the identifier to upper camel case: `Rect`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rectangle`
[INFO] [stdout]   --> src/bin/lenofrectwithoutself.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |    let rectangle = rect{
[INFO] [stdout]    |        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rectangle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length` and `width` are never read
[INFO] [stdout]  --> src/bin/lenofrectwithoutself.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct rect {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 2 |     length: u8,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     width: u8
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rect` should have an upper camel case name
[INFO] [stdout]  --> src/bin/lenofrectwithself.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct rect {
[INFO] [stdout]   |        ^^^^ help: convert the identifier to upper camel case: `Rect`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_area_2` is never used
[INFO] [stdout]   --> src/bin/trti.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn get_area_2<T:Shape>(shape:T) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]  --> src/bin/main.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     for i in 0..100 {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `username`, `password`, and `age` are never read
[INFO] [stdout]  --> src/bin/struct_implementation.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct User {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 3 |     name : String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     username: String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 5 |     password : String,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 6 |     age: i8,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rect` should have an upper camel case name
[INFO] [stdout]  --> src/bin/gens.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct rect<T> {
[INFO] [stdout]   |        ^^^^ help: convert the identifier to upper camel case: `Rect`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `s` should have an upper camel case name
[INFO] [stdout]  --> src/bin/dbgtrt.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct s {
[INFO] [stdout]   |        ^ help: convert the identifier to upper camel case (notice the capitalization): `S`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rect` should have an upper camel case name
[INFO] [stdout]  --> src/bin/lenofrectwithoutself.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct rect {
[INFO] [stdout]   |        ^^^^ help: convert the identifier to upper camel case: `Rect`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rectangle`
[INFO] [stdout]   --> src/bin/lenofrectwithoutself.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |    let rectangle = rect{
[INFO] [stdout]    |        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rectangle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `length` and `width` are never read
[INFO] [stdout]  --> src/bin/lenofrectwithoutself.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct rect {
[INFO] [stdout]   |        ---- fields in this struct
[INFO] [stdout] 2 |     length: u8,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 3 |     width: u8
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `direction`
[INFO] [stdout]   --> src/bin/en.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn move_around(direction: Direction) {
[INFO] [stdout]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `South`, `East`, and `West` are never constructed
[INFO] [stdout]  --> src/bin/en.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Direction {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 2 |     North,
[INFO] [stdout] 3 |     South,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     East,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     West
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::error`
[INFO] [stdout]  --> src/bin/errorhandling.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::error;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rect` should have an upper camel case name
[INFO] [stdout]  --> src/bin/gens.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct rect<T> {
[INFO] [stdout]   |        ^^^^ help: convert the identifier to upper camel case: `Rect`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Result` is never used
[INFO] [stdout]  --> src/bin/errorhandling.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Result {
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/bin/lifet.rs:15:33
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn longer_str(a:&str,b:&str) -> &str {
[INFO] [stdout]    |                 ----   ----     ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `a` or `b`
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn longer_str<'a>(a:&'a str,b:&'a str) -> &'a str {
[INFO] [stdout]    |              ++++    ++        ++          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/bin/bools.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let y:bool = false;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0106]: missing lifetime specifier
[INFO] [stdout]   --> src/bin/lifet.rs:15:33
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn longer_str(a:&str,b:&str) -> &str {
[INFO] [stdout]    |                 ----   ----     ^ expected named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout]    = help: this function's return type contains a borrowed value, but the signature does not say whether it is borrowed from `a` or `b`
[INFO] [stdout] help: consider introducing a named lifetime parameter
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn longer_str<'a>(a:&'a str,b:&'a str) -> &'a str {
[INFO] [stdout]    |              ++++    ++        ++          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `src` (bin "lifet") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0106`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `src` (bin "lifet" test) due to 1 previous error
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/bin/bools.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let y:bool = false;
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `direction`
[INFO] [stdout]   --> src/bin/en.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn move_around(direction: Direction) {
[INFO] [stdout]    |                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_direction`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `South`, `East`, and `West` are never constructed
[INFO] [stdout]  --> src/bin/en.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Direction {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 2 |     North,
[INFO] [stdout] 3 |     South,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 4 |     East,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     West
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a9c5ee1fe5c647fa74e3750792a2605160cabffe4dcc57f6d61efd4292b636db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c5ee1fe5c647fa74e3750792a2605160cabffe4dcc57f6d61efd4292b636db", kill_on_drop: false }`
[INFO] [stdout] a9c5ee1fe5c647fa74e3750792a2605160cabffe4dcc57f6d61efd4292b636db
