[INFO] cloning repository https://github.com/BrianLusina/rustic-cargo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BrianLusina/rustic-cargo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLusina%2Frustic-cargo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLusina%2Frustic-cargo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dab200e2d6b98a4a0c3eb28eb850b5a563944905
[INFO] checking BrianLusina/rustic-cargo against try#a3a874232ae0a7586b5fbe7483c5a42e157bd62a for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLusina%2Frustic-cargo" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BrianLusina/rustic-cargo
[INFO] finished tweaking git repo https://github.com/BrianLusina/rustic-cargo
[INFO] tweaked toml for git repo https://github.com/BrianLusina/rustic-cargo written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BrianLusina/rustic-cargo on toolchain a3a874232ae0a7586b5fbe7483c5a42e157bd62a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BrianLusina/rustic-cargo 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" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-7-tc2/source/basics/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e2826ba782729f9e9d29a7e7f9c0292cb7fa4d866501bb6553fd1e2b0beae67
[INFO] running `Command { std: "docker" "start" "-a" "2e2826ba782729f9e9d29a7e7f9c0292cb7fa4d866501bb6553fd1e2b0beae67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e2826ba782729f9e9d29a7e7f9c0292cb7fa4d866501bb6553fd1e2b0beae67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2826ba782729f9e9d29a7e7f9c0292cb7fa4d866501bb6553fd1e2b0beae67", kill_on_drop: false }`
[INFO] [stdout] 2e2826ba782729f9e9d29a7e7f9c0292cb7fa4d866501bb6553fd1e2b0beae67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a3a874232ae0a7586b5fbe7483c5a42e157bd62a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ace50d79476e2dfb4cf8d6db7c3422f171d5dbab1705e694c6d8afbe14cb6de5
[INFO] running `Command { std: "docker" "start" "-a" "ace50d79476e2dfb4cf8d6db7c3422f171d5dbab1705e694c6d8afbe14cb6de5", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/basics/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]     Checking math v0.1.0 (/opt/rustwide/workdir/math)
[INFO] [stderr]     Checking datastructures v0.1.0 (/opt/rustwide/workdir/datastructures)
[INFO] [stderr]     Checking time-core v0.1.8
[INFO] [stderr]     Checking num-conv v0.2.0
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]     Checking deranged v0.5.3
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]     Checking restaurant v0.1.0 (/opt/rustwide/workdir/programs/restaurant)
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> math/src/factorial.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for num in start..=x {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `average` is never used
[INFO] [stdout]  --> math/src/average.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn average(scores: &Vec<usize>) -> usize {
[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 `factorial` is never used
[INFO] [stdout]  --> math/src/factorial.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn factorial(number: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_iter` is never used
[INFO] [stdout]  --> math/src/factorial.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn factorial_iter(target: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `factorial_iter_with_for_loop` is never used
[INFO] [stdout]   --> math/src/factorial.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn factorial_iter_with_for_loop(x: u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fibonacci` is never constructed
[INFO] [stdout]  --> math/src/fibonacci/fibonacci.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Fibonacci {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> math/src/fibonacci/fibonacci.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Fibonacci {
[INFO] [stdout]   | -------------- associated function in this implementation
[INFO] [stdout] 7 |     fn new() -> Fibonacci {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibonacci` is never used
[INFO] [stdout]  --> math/src/fibonacci/fibonacci_utils.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fibonacci(n: u32) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fibs` is never used
[INFO] [stdout]  --> math/src/fibonacci/fibonacci_utils.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn fibs(count: usize) -> Vec<u32> {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_blue` is never used
[INFO] [stdout]  --> math/src/probability/guessblue/mod.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn guess_blue(blue_start: u32, red_start: u32, blue_pulled: u32, red_pulled: u32) -> f32 {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `range_sum` is never used
[INFO] [stdout]  --> math/src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn range_sum(low: i32, high: i32) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let order1 = back_of_house::appetizer::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let order2 = back_of_house::appetizer::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn deliver_order() {}
[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 `fix_incorrect_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/back_of_house.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn fix_incorrect_order() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/back_of_house.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn cook_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]  --> programs/restaurant/src/back_of_house/breakfast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Breakfast {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     seasonal_fruit: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/hosting.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn seat_at_table() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn take_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn take_payment() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::fibonacci_utils`
[INFO] [stdout]   --> math/src/fibonacci/fibonacci_utils.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |     use crate::fibonacci_utils::fibonacci;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                unresolved import
[INFO] [stdout]    |                help: a similar path exists: `fibonacci::fibonacci_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::fibonacci_utils`
[INFO] [stdout]   --> math/src/fibonacci/fibonacci_utils.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 |     use crate::fibonacci_utils::fibs;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                unresolved import
[INFO] [stdout]    |                help: a similar path exists: `fibonacci::fibonacci_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CustomIterator` is never used
[INFO] [stdout]  --> datastructures/src/iterator/iterator.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) trait CustomIterator {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OneToTen` is never constructed
[INFO] [stdout]  --> datastructures/src/iterator/range/range.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct OneToTen {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> datastructures/src/iterator/range/range.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl OneToTen {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VecIter` is never constructed
[INFO] [stdout]  --> datastructures/src/iterator/vec_iter.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct VecIter {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryTree` is never constructed
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BinaryTree {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl BinaryTree {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 7 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryTreeNode` is never constructed
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree_node.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BinaryTreeNode<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_left` and `set_right` are never used
[INFO] [stdout]   --> datastructures/src/trees/binary/binary_tree_node.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> BinaryTreeNode<T> {
[INFO] [stdout]    | ------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn set_left(&mut self, node: BinaryTreeNode<T>) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn set_right(&mut self, node: BinaryTreeNode<T>) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Tree` is never used
[INFO] [stdout]  --> datastructures/src/trees/tree.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Tree<T> {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TreeNode` is never used
[INFO] [stdout]  --> datastructures/src/trees/tree_node.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait TreeNode<T> {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> math/src/factorial.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     for num in start..=x {
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `math` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: trait `CustomIterator` is never used
[INFO] [stdout]  --> datastructures/src/iterator/iterator.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub(crate) trait CustomIterator {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryTree` is never constructed
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BinaryTree {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl BinaryTree {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 7 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryTreeNode` is never constructed
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree_node.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BinaryTreeNode<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_left` and `set_right` are never used
[INFO] [stdout]   --> datastructures/src/trees/binary/binary_tree_node.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<T> BinaryTreeNode<T> {
[INFO] [stdout]    | ------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn set_left(&mut self, node: BinaryTreeNode<T>) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn set_right(&mut self, node: BinaryTreeNode<T>) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Tree` is never used
[INFO] [stdout]  --> datastructures/src/trees/tree.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Tree<T> {
[INFO] [stdout]   |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `TreeNode` is never used
[INFO] [stdout]  --> datastructures/src/trees/tree_node.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait TreeNode<T> {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order1`
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let order1 = back_of_house::appetizer::Appetizer::Soup;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `order2`
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let order2 = back_of_house::appetizer::Appetizer::Salad;
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_order2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deliver_order` is never used
[INFO] [stdout]   --> programs/restaurant/src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn deliver_order() {}
[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 `fix_incorrect_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/back_of_house.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn fix_incorrect_order() {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cook_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/back_of_house.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn cook_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `seasonal_fruit` is never read
[INFO] [stdout]  --> programs/restaurant/src/back_of_house/breakfast.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Breakfast {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 5 |     seasonal_fruit: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `seat_at_table` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/hosting.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn seat_at_table() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn take_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serve_order` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn serve_order() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_payment` is never used
[INFO] [stdout]  --> programs/restaurant/src/front_of_house/serving.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn take_payment() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ace50d79476e2dfb4cf8d6db7c3422f171d5dbab1705e694c6d8afbe14cb6de5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace50d79476e2dfb4cf8d6db7c3422f171d5dbab1705e694c6d8afbe14cb6de5", kill_on_drop: false }`
[INFO] [stdout] ace50d79476e2dfb4cf8d6db7c3422f171d5dbab1705e694c6d8afbe14cb6de5
