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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdennybiasiolli%2Frust-rocket-tutorial" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
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[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking pin-project-lite v0.2.13
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[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking hashbrown v0.14.3
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[INFO] [stderr]     Checking testing-crates-1 v0.1.0 (/opt/rustwide/workdir/testing-crates-1)
[INFO] [stdout] warning: function `foo` is never used
[INFO] [stdout]  --> testing-crates-1/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn foo() {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
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[INFO] [stderr]    Compiling log v0.4.20
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[INFO] [stderr]     Checking linux-raw-sys v0.4.13
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[INFO] [stderr]    Compiling time v0.3.34
[INFO] [stderr]    Compiling async-trait v0.1.77
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[INFO] [stderr]    Compiling futures v0.3.30
[INFO] [stderr]    Compiling indexmap v2.2.2
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[INFO] [stderr]    Compiling glob v0.3.1
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[INFO] [stderr]     Checking binascii v0.1.4
[INFO] [stderr]     Checking adder v0.1.0 (/opt/rustwide/workdir/adder)
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking blog v0.1.0 (/opt/rustwide/workdir/blog)
[INFO] [stderr]     Checking concurrency v0.1.0 (/opt/rustwide/workdir/concurrency)
[INFO] [stderr]     Checking gui v0.1.0 (/opt/rustwide/workdir/gui)
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir/minigrep)
[INFO] [stderr]     Checking smart-pointers v0.1.0 (/opt/rustwide/workdir/smart-pointers)
[INFO] [stderr]     Checking restaurant v0.1.0 (/opt/rustwide/workdir/restaurant)
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]  --> restaurant/src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn deliver_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/hosting.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn seat_at_table() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn take_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn serve_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn take_payment() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> restaurant/src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub struct Breakfast {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 11 |         pub toast: String,
[INFO] [stdout] 12 |         seasonal_fruit: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> smart-pointers/src/box_examples.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Cons(i32, Box<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Cons((), ()),
[INFO] [stdout]   |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> smart-pointers/src/references.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Cons(i32, Rc<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Cons((), ()),
[INFO] [stdout]   |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> smart-pointers/src/references.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Cons(i32, RefCell<Rc<List2>>),
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Cons((), RefCell<Rc<List2>>),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> smart-pointers/src/references.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Node {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 61 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `restaurant` is imported redundantly
[INFO] [stdout]  --> restaurant/tests/integration_tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use restaurant;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `restaurant` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking functions v0.1.0 (/opt/rustwide/workdir/functions)
[INFO] [stderr]     Checking dennybiasiolli_guessing_game v0.1.1 (/opt/rustwide/workdir/guessing_game)
[INFO] [stdout] warning: the item `adder` is imported redundantly
[INFO] [stdout]  --> adder/tests/integration_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use adder;
[INFO] [stdout]   |     ^^^^^ the item `adder` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking errors v0.1.0 (/opt/rustwide/workdir/errors)
[INFO] [stderr]     Checking generics v0.1.0 (/opt/rustwide/workdir/generics)
[INFO] [stderr]     Checking backyard v0.1.0 (/opt/rustwide/workdir/backyard)
[INFO] [stderr]     Checking my_crate v0.1.0 (/opt/rustwide/workdir/my_crate)
[INFO] [stdout] warning: unused variable: `greeting_file`
[INFO] [stdout]   --> errors/src/main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let greeting_file = File::open("hello.txt")?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `foo` is never used
[INFO] [stdout]  --> testing-crates-1/src/lib.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn foo() {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tz v0.1.0 (/opt/rustwide/workdir/tz)
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/variables)
[INFO] [stderr]     Checking closures-and-iterators v0.1.0 (/opt/rustwide/workdir/closures-and-iterators)
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]   --> generics/src/traits.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct NewsArticle {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub content: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `reply` and `retweet` are never read
[INFO] [stdout]   --> generics/src/traits.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Tweet {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub reply: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 25 |     pub retweet: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structs v0.1.0 (/opt/rustwide/workdir/structs)
[INFO] [stderr]     Checking art v0.1.0 (/opt/rustwide/workdir/art)
[INFO] [stdout] warning: unused variable: `greeting_file`
[INFO] [stdout]   --> errors/src/main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let greeting_file = File::open("hello.txt")?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_greeting_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `symbol` and `timestamp` are never read
[INFO] [stdout]   --> tz/src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct MyKey {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 31 |     symbol: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     timestamp: u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyKey` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking collections v0.1.0 (/opt/rustwide/workdir/collections)
[INFO] [stderr]     Checking slices v0.1.0 (/opt/rustwide/workdir/slices)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ownership v0.1.0 (/opt/rustwide/workdir/ownership)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> art/src/lib.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> art/src/lib.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking enums v0.1.0 (/opt/rustwide/workdir/enums)
[INFO] [stdout] warning: fields `symbol` and `timestamp` are never read
[INFO] [stdout]   --> tz/src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct MyKey {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 31 |     symbol: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 32 |     timestamp: u64,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyKey` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> collections/src/exercises.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Even(u8, u8),
[INFO] [stdout]   |     ---- ^^  ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Even((), ()),
[INFO] [stdout]   |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> collections/src/exercises.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Odd(u8),
[INFO] [stdout]   |     --- ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Odd(()),
[INFO] [stdout]   |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> enums/src/main.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     V4(u8, u8, u8, u8),
[INFO] [stdout]   |     -- ^^  ^^  ^^  ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 2 |     V4((), (), (), ()),
[INFO] [stdout]   |        ~~  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> enums/src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     V6(String),
[INFO] [stdout]   |     -- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 |     V6(()),
[INFO] [stdout]   |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> enums/src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Move { x: i32, y: i32 },    // has named fields, like a struct does
[INFO] [stdout]   |     ----   ^       ^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> enums/src/main.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Write(String),              // includes a single String
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Write(()),              // includes a single String
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> enums/src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ChangeColor(i32, i32, i32), // includes three i32 values
[INFO] [stdout]    |     ----------- ^^^  ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ChangeColor((), (), ()), // includes three i32 values
[INFO] [stdout]    |                 ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shoe` is never constructed
[INFO] [stdout]   --> closures-and-iterators/src/iterators.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct Shoe {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `shoes_in_size` is never used
[INFO] [stdout]   --> closures-and-iterators/src/iterators.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn shoes_in_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> collections/src/exercises.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Even(u8, u8),
[INFO] [stdout]   |     ---- ^^  ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Even((), ()),
[INFO] [stdout]   |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> collections/src/exercises.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Odd(u8),
[INFO] [stdout]   |     --- ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Odd(()),
[INFO] [stdout]   |         ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]  --> restaurant/src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn deliver_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house/hosting.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn seat_at_table() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn take_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn serve_order() {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> restaurant/src/front_of_house.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn take_payment() {}
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]   --> restaurant/src/lib.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub struct Breakfast {
[INFO] [stdout]    |                --------- field in this struct
[INFO] [stdout] 11 |         pub toast: String,
[INFO] [stdout] 12 |         seasonal_fruit: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fix_incorrect_order` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn fix_incorrect_order() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]   --> restaurant/src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cook_order() {}
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> enums/src/main.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     V4(u8, u8, u8, u8),
[INFO] [stdout]   |     -- ^^  ^^  ^^  ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 2 |     V4((), (), (), ()),
[INFO] [stdout]   |        ~~  ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> enums/src/main.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     V6(String),
[INFO] [stdout]   |     -- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 3 |     V6(()),
[INFO] [stdout]   |        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]  --> enums/src/main.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Move { x: i32, y: i32 },    // has named fields, like a struct does
[INFO] [stdout]   |     ----   ^       ^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> enums/src/main.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Write(String),              // includes a single String
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Write(()),              // includes a single String
[INFO] [stdout]    |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, and `2` are never read
[INFO] [stdout]   --> enums/src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ChangeColor(i32, i32, i32), // includes three i32 values
[INFO] [stdout]    |     ----------- ^^^  ^^^  ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]    |
[INFO] [stdout] 11 |     ChangeColor((), (), ()), // includes three i32 values
[INFO] [stdout]    |                 ~~  ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> smart-pointers/src/box_examples.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Cons(i32, Box<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Cons((), ()),
[INFO] [stdout]   |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> smart-pointers/src/references.rs:5:10
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Cons(i32, Rc<List>),
[INFO] [stdout]   |     ---- ^^^  ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Cons((), ()),
[INFO] [stdout]   |          ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> smart-pointers/src/references.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Cons(i32, RefCell<Rc<List2>>),
[INFO] [stdout]    |     ---- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 23 |     Cons((), RefCell<Rc<List2>>),
[INFO] [stdout]    |          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> smart-pointers/src/references.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Node {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 61 |     value: i32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `content` is never read
[INFO] [stdout]   --> generics/src/traits.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct NewsArticle {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub content: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `reply` and `retweet` are never read
[INFO] [stdout]   --> generics/src/traits.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Tweet {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub reply: bool,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 25 |     pub retweet: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> art/src/lib.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> art/src/lib.rs:30:34
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempfile v3.9.0
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling devise_core v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling pear_codegen v0.2.8
[INFO] [stderr]    Compiling ref-cast-impl v1.0.22
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling devise_codegen v0.4.1
[INFO] [stderr]     Checking async-stream v0.3.5
[INFO] [stderr]    Compiling pear v0.2.8
[INFO] [stderr]    Compiling devise v0.4.1
[INFO] [stderr]    Compiling rocket_http v0.5.0
[INFO] [stderr]    Compiling rocket_codegen v0.5.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-stream v0.1.14
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking ubyte v0.10.4
[INFO] [stderr]     Checking toml_edit v0.22.4
[INFO] [stderr]     Checking h2 v0.3.24
[INFO] [stderr]     Checking toml v0.8.10
[INFO] [stderr]     Checking hello-rocket v0.1.0 (/opt/rustwide/workdir/hello-rocket)
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 16.73s
[INFO] running `Command { std: "docker" "inspect" "d0f57df5c9c25d112f7bbd52e2db6fea0049ce3a73e126a973f2707f5ee04edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f57df5c9c25d112f7bbd52e2db6fea0049ce3a73e126a973f2707f5ee04edf", kill_on_drop: false }`
[INFO] [stdout] d0f57df5c9c25d112f7bbd52e2db6fea0049ce3a73e126a973f2707f5ee04edf