[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] 6189e8454b909484a2e0fe7840d566571244a9db
[INFO] checking BrianLusina/rustic-cargo against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBrianLusina%2Frustic-cargo" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BrianLusina/rustic-cargo on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc2/source/Cargo.toml
[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" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "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-3-tc2/source/basics/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-3-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] 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bce4dc7861ab8fe1536e25b0b5bc441817c104eb07add027220c826eae50b765
[INFO] running `Command { std: "docker" "start" "-a" "bce4dc7861ab8fe1536e25b0b5bc441817c104eb07add027220c826eae50b765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bce4dc7861ab8fe1536e25b0b5bc441817c104eb07add027220c826eae50b765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bce4dc7861ab8fe1536e25b0b5bc441817c104eb07add027220c826eae50b765", kill_on_drop: false }`
[INFO] [stdout] bce4dc7861ab8fe1536e25b0b5bc441817c104eb07add027220c826eae50b765
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39cee5764ecb24efdf69b0692f61d0ed2e416ea2bf2ad849c183a98e63ff8aec
[INFO] running `Command { std: "docker" "start" "-a" "39cee5764ecb24efdf69b0692f61d0ed2e416ea2bf2ad849c183a98e63ff8aec", 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] 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 unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.162
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.14
[INFO] [stderr]     Checking strings v0.1.0 (/opt/rustwide/workdir/strings)
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking num-conv v0.1.0
[INFO] [stderr]     Checking datastructures v0.1.0 (/opt/rustwide/workdir/datastructures)
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stdout] warning: unused import: `crate::trees::node::Node`
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::trees::node::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::trees::tree::Tree`
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::trees::tree::Tree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OneToTen` is never constructed
[INFO] [stdout]  --> datastructures/src/iterator/range/range.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl OneToTen {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |     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:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BinaryTree {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BinaryTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl BinaryTree {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Node` is never used
[INFO] [stdout]  --> datastructures/src/trees/node.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Node<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] [stderr]     Checking algorithms v0.1.0 (/opt/rustwide/workdir/algorithms)
[INFO] [stderr]     Checking basics v0.1.0 (/opt/rustwide/workdir/basics)
[INFO] [stdout] warning: function `abCDefGh_should_return_true` should have a snake case name
[INFO] [stdout]   --> strings/tests/is_unique.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn abCDefGh_should_return_true() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ab_cdef_gh_should_return_true`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `abCedFghI_should_return_true` should have a snake case name
[INFO] [stdout]   --> strings/tests/is_unique.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn abCedFghI_should_return_true() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ab_ced_fgh_i_should_return_true`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `I_Am_Not_Unique_should_return_false` should have a snake case name
[INFO] [stdout]   --> strings/tests/is_unique.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn I_Am_Not_Unique_should_return_false() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `i_am_not_unique_should_return_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]     Checking puzzles v0.1.0 (/opt/rustwide/workdir/puzzles)
[INFO] [stdout] warning: unused import: `crate::traits::summary::NewsArticle`
[INFO] [stdout]   --> basics/src/traits/summary.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     use crate::traits::summary::NewsArticle;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking restaurant v0.1.0 (/opt/rustwide/workdir/programs/restaurant)
[INFO] [stdout] warning: field `seconds` is never read
[INFO] [stdout]  --> puzzles/src/space_age/space_age.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Duration {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 3 |     seconds: f64,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Duration` 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: trait `Planet` is never used
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub trait Planet {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mercury` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Mercury;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Venus` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Venus;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Earth` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct Earth;
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mars` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Mars;
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Jupiter` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Jupiter;
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Saturn` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Saturn;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Uranus` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Uranus;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Neptune` is never constructed
[INFO] [stdout]   --> puzzles/src/space_age/space_age.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct Neptune;
[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)]` 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)]` 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] warning: unused variable: `file`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let file = match file_result {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_error`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             other_error => panic!("Opening file failed: {:?}", error),
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::trees::node::Node`
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::trees::node::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let file_result = File::open(file_name).unwrap_or_else(|error| {
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let file_result = File::open(file_name).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result_2`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let file_result_2 = File::open(file_name).expect("{file_name} should be included");
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::trees::tree::Tree`
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::trees::tree::Tree;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> datastructures/src/iterator/range/range.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut total = 0;
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `next_val` is never read
[INFO] [stdout]  --> datastructures/src/iterator/range/range.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct OneToTen {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 5 |     next_val: u32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinaryTree` is never constructed
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BinaryTree {}
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BinaryTree` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> datastructures/src/trees/binary/binary_tree.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl BinaryTree {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 8 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Node` is never used
[INFO] [stdout]  --> datastructures/src/trees/node.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Node<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: unused variable: `r1`
[INFO] [stdout]  --> basics/src/ownership/ownership.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let r1 = &mut s1;
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let len = calculate_length(&s);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking math v0.1.0 (/opt/rustwide/workdir/math)
[INFO] [stdout] warning: unused variable: `home`
[INFO] [stdout]   --> basics/src/enums/ip_address.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let home = IpAddrKind::V4(127, 0, 0, 1);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_home`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:56
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loopback`
[INFO] [stdout]   --> basics/src/enums/ip_address.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let loopback = IpAddrKind::V6(String::from("::1"));
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:63
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |                                                               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Hero` is never used
[INFO] [stdout]  --> basics/src/enums/hero.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Hero {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `power_level`, `name`, and `print_power` are never used
[INFO] [stdout]   --> basics/src/enums/hero.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Hero {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 8  |     fn power_level(&self) -> Option<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn name(&self) -> &'static str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn print_power(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IpAddrKind` is never used
[INFO] [stdout]  --> basics/src/enums/ip_address.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum IpAddrKind {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_teacher` is never used
[INFO] [stdout]  --> basics/src/enums/job.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait IsTeacher {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 2 |     fn is_teacher(&self) -> bool;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Scientist`, `Teacher`, `Farmer`, and `Banker` are never constructed
[INFO] [stdout]   --> basics/src/enums/job.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Job {
[INFO] [stdout]    |          --- variants in this enum
[INFO] [stdout] 7  |     Scientist(Field),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 8  |     Teacher(Subject),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 9  |     Farmer,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     Banker,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Job` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Art` and `Math` are never constructed
[INFO] [stdout]   --> basics/src/enums/job.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum Subject {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 26 |     Art,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     Math,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Subject` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Physics` and `Biology` are never constructed
[INFO] [stdout]   --> basics/src/enums/job.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Field {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 32 |     Physics,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 33 |     Biology,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CongressPerson` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum CongressPerson {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum State {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `District` is never constructed
[INFO] [stdout]   --> basics/src/enums/job.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct District {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Seniority` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 | enum Seniority {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Message` is never used
[INFO] [stdout]  --> basics/src/enums/message.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Message {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call` is never used
[INFO] [stdout]  --> basics/src/enums/message.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Message {
[INFO] [stdout]   | ------------ method in this implementation
[INFO] [stdout] 9 |     fn call(&self) {}
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Monster` is never used
[INFO] [stdout]  --> basics/src/enums/monsters.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Monster {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lives` and `eats` are never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Monster {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 9  |     fn lives(&self) -> Option<Place> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn eats(&self) -> Option<Food> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Place` is never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Place {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Food` is never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum Food {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> basics/src/enums/person.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `say_info`, `same_job`, and `greeting` are never used
[INFO] [stdout]   --> basics/src/enums/person.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Person {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 14 |     fn new(name: String, age: i32, job: Job) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn say_info(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn same_job(&self, other: &Person) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn greeting(&self, other: &Person) -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file` is never used
[INFO] [stdout]  --> basics/src/errors/propagating_errors.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn read_username_from_file(file_name: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file_v2` is never used
[INFO] [stdout]   --> basics/src/errors/propagating_errors.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn read_username_from_file_v2(file_name: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `opening_file` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn opening_file(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_file` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn open_file(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_file_v2` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn open_file_v2(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_mangoes` is never used
[INFO] [stdout]   --> basics/src/functions.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn say_mangoes() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> basics/src/generics/point.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point<X, Y> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `x`, `y`, `new`, and `mixup` are never used
[INFO] [stdout]   --> basics/src/generics/point.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl<X, Y> Point<X, Y> {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 7  |     fn x(&self) -> &X {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn y(&self) -> &Y {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn new(x: X, y: Y) -> Point<X, Y> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn mixup(self, other: Point<X, Y>) -> Point<X, Y> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `distance_from_origin` is never used
[INFO] [stdout]   --> basics/src/generics/point.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Point<f32, f32> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 28 |     fn distance_from_origin(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ImportantExcerpt` is never constructed
[INFO] [stdout]  --> basics/src/lifetimes/excerpt.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct ImportantExcerpt<'a> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `level` and `announce_and_return_part` are never used
[INFO] [stdout]   --> basics/src/lifetimes/excerpt.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stdout]    | ----------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn level(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_with_an_announcement` is never used
[INFO] [stdout]  --> basics/src/lifetimes/longest.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_words` is never used
[INFO] [stdout]  --> basics/src/maps/map_basics.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn count_words() -> () {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> basics/src/ownership/ownership.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn change(some_string: &mut String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ownership` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn ownership() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_ownership` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn take_ownership(some_string: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_copy` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn make_copy(i: i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn calculate_length(s: &String) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fruit` is never constructed
[INFO] [stdout]  --> basics/src/structs/fruit.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Fruit<T> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/structs/fruit.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<T> Fruit<T> {
[INFO] [stdout]   | ---------------- associated function in this implementation
[INFO] [stdout] 8 |     fn new(calories: i32, data: T) -> Fruit<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> basics/src/structs/person.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `say_info` are never used
[INFO] [stdout]   --> basics/src/structs/person.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Person {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 7  |     fn new(name: String, age: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn say_info(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]  --> basics/src/structs/rectangle.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Rectangle {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `area`, and `can_hold` are never used
[INFO] [stdout]   --> basics/src/structs/rectangle.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Rectangle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 8  |     fn new(width: u32, height: u32) -> Rectangle {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 12 |     fn area(&self) -> u32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn can_hold(&self, other: &Rectangle) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RunningTotal` is never constructed
[INFO] [stdout]  --> basics/src/structs/running_totals.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct RunningTotal {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `print_average`, and `add_value` are never used
[INFO] [stdout]   --> basics/src/structs/running_totals.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl RunningTotal {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 7  |     fn new(total: i32, count: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn print_average(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn add_value(&mut self, value: i32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> basics/src/structs/running_totals.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Kmh` is never constructed
[INFO] [stdout]  --> basics/src/structs/speed.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Kmh {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/structs/speed.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Kmh {
[INFO] [stdout]   | -------- associated function in this implementation
[INFO] [stdout] 7 |     fn new(value: u32) -> Kmh {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mph` is never constructed
[INFO] [stdout]   --> basics/src/structs/speed.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Mph {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> basics/src/structs/speed.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Mph {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 18 |     fn new(value: u32) -> Mph {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> basics/src/structs/speed.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Km {
[INFO] [stdout]    |        -- field in this struct
[INFO] [stdout] 25 |     value: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Km` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> basics/src/structs/speed.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Miles {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 30 |     value: u32,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Miles` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InXTime` is never used
[INFO] [stdout]   --> basics/src/structs/speed.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | trait InXTime {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quadruple` is never used
[INFO] [stdout]  --> basics/src/traits/bounds.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn quadruple<T: Operations>(x: T) -> T {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]  --> basics/src/traits/pair.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Pair<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/traits/pair.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T> Pair<T> {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 9 |     fn new(x: T, y: T) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]   --> basics/src/traits/pair.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 18 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `double` and `square` are never used
[INFO] [stdout]  --> basics/src/traits/primitives.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait Operations {
[INFO] [stdout]   |           ---------- methods in this trait
[INFO] [stdout] 2 |     fn double(&self) -> Self;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 3 |
[INFO] [stdout] 4 |     fn square(&self) -> Self;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Summary` is never used
[INFO] [stdout]  --> basics/src/traits/summary.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Summary {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewsArticle` is never constructed
[INFO] [stdout]  --> basics/src/traits/summary.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct NewsArticle {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Tweet` is never constructed
[INFO] [stdout]   --> basics/src/traits/summary.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Tweet {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn notify(item: &impl Summary) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn print<T: Summary>(item: &T) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify2` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn notify2(item: &(impl Summary + Display)) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify3` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn notify3<T: Summary + Display>(item: &T) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function2` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_summarizable` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn returns_summarizable() -> impl Summary {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let file = match file_result {
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_error`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |             other_error => panic!("Opening file failed: {:?}", error),
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let file_result = File::open(file_name).unwrap_or_else(|error| {
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let file_result = File::open(file_name).unwrap();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_result_2`
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let file_result_2 = File::open(file_name).expect("{file_name} should be included");
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_result_2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]  --> basics/src/ownership/ownership.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |         let r1 = &mut s1;
[INFO] [stdout]   |             ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let len = calculate_length(&s);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:56
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |                                                        ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:63
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |                                                               ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:32
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |                                ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Hero` is never used
[INFO] [stdout]  --> basics/src/enums/hero.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Hero {
[INFO] [stdout]   |      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `power_level`, `name`, and `print_power` are never used
[INFO] [stdout]   --> basics/src/enums/hero.rs:8:8
[INFO] [stdout]    |
[INFO] [stdout] 7  | impl Hero {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 8  |     fn power_level(&self) -> Option<u32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn name(&self) -> &'static str {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn print_power(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> basics/src/enums/ip_address.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] 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]  --> basics/src/enums/ip_address.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: method `is_teacher` is never used
[INFO] [stdout]  --> basics/src/enums/job.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait IsTeacher {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 2 |     fn is_teacher(&self) -> bool;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Scientist` and `Teacher` are never constructed
[INFO] [stdout]  --> basics/src/enums/job.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub enum Job {
[INFO] [stdout]   |          --- variants in this enum
[INFO] [stdout] 7 |     Scientist(Field),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 8 |     Teacher(Subject),
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Job` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Art` and `Math` are never constructed
[INFO] [stdout]   --> basics/src/enums/job.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub enum Subject {
[INFO] [stdout]    |          ------- variants in this enum
[INFO] [stdout] 26 |     Art,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 27 |     Math,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Subject` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Physics` and `Biology` are never constructed
[INFO] [stdout]   --> basics/src/enums/job.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum Field {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 32 |     Physics,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 33 |     Biology,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Field` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CongressPerson` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:36:6
[INFO] [stdout]    |
[INFO] [stdout] 36 | enum CongressPerson {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:41:6
[INFO] [stdout]    |
[INFO] [stdout] 41 | enum State {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `District` is never constructed
[INFO] [stdout]   --> basics/src/enums/job.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | struct District {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Seniority` is never used
[INFO] [stdout]   --> basics/src/enums/job.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 | enum Seniority {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> basics/src/enums/message.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Write(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] 4 |     Write(()),
[INFO] [stdout]   |           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit`, `Move`, and `ChangeColor` are never constructed
[INFO] [stdout]  --> basics/src/enums/message.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Message {
[INFO] [stdout]   |      ------- variants in this enum
[INFO] [stdout] 2 |     Quit,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |     Move { x: i32, y: i32 },
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     Write(String),
[INFO] [stdout] 5 |     ChangeColor(i32, i32, i32),
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Monster` is never used
[INFO] [stdout]  --> basics/src/enums/monsters.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Monster {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `lives` and `eats` are never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:9:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Monster {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] 9  |     fn lives(&self) -> Option<Place> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn eats(&self) -> Option<Food> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Place` is never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:32:6
[INFO] [stdout]    |
[INFO] [stdout] 32 | enum Place {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Food` is never used
[INFO] [stdout]   --> basics/src/enums/monsters.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum Food {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `say_info` and `greeting` are never used
[INFO] [stdout]   --> basics/src/enums/person.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Person {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn say_info(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn greeting(&self, other: &Person) -> String {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file` is never used
[INFO] [stdout]  --> basics/src/errors/propagating_errors.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn read_username_from_file(file_name: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_username_from_file_v2` is never used
[INFO] [stdout]   --> basics/src/errors/propagating_errors.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn read_username_from_file_v2(file_name: &str) -> Result<String, std::io::Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `opening_file` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn opening_file(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_file` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn open_file(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `open_file_v2` is never used
[INFO] [stdout]   --> basics/src/errors/recoverable_errors.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn open_file_v2(file_name: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `say_mangoes` is never used
[INFO] [stdout]   --> basics/src/functions.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn say_mangoes() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> basics/src/generics/point.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point<X, Y> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `x`, `y`, `new`, and `mixup` are never used
[INFO] [stdout]   --> basics/src/generics/point.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl<X, Y> Point<X, Y> {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 7  |     fn x(&self) -> &X {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     fn y(&self) -> &Y {
[INFO] [stdout]    |        ^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn new(x: X, y: Y) -> Point<X, Y> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn mixup(self, other: Point<X, Y>) -> Point<X, Y> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `distance_from_origin` is never used
[INFO] [stdout]   --> basics/src/generics/point.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Point<f32, f32> {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 28 |     fn distance_from_origin(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `level` and `announce_and_return_part` are never used
[INFO] [stdout]   --> basics/src/lifetimes/excerpt.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<'a> ImportantExcerpt<'a> {
[INFO] [stdout]    | ----------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     fn level(&self) -> i32 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn announce_and_return_part(&self, announcement: &str) -> &str {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> basics/src/ownership/ownership.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `change` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn change(some_string: &mut String) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ownership` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn ownership() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `take_ownership` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn take_ownership(some_string: String) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_copy` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn make_copy(i: i32) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_length` is never used
[INFO] [stdout]   --> basics/src/ownership/ownership.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn calculate_length(s: &String) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Fruit` is never constructed
[INFO] [stdout]  --> basics/src/structs/fruit.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Fruit<T> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/structs/fruit.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl<T> Fruit<T> {
[INFO] [stdout]   | ---------------- associated function in this implementation
[INFO] [stdout] 8 |     fn new(calories: i32, data: T) -> Fruit<T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Person` is never constructed
[INFO] [stdout]  --> basics/src/structs/person.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Person {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `say_info` are never used
[INFO] [stdout]   --> basics/src/structs/person.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl Person {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 7  |     fn new(name: String, age: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn say_info(&self) {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RunningTotal` is never constructed
[INFO] [stdout]  --> basics/src/structs/running_totals.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct RunningTotal {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `print_average`, and `add_value` are never used
[INFO] [stdout]   --> basics/src/structs/running_totals.rs:7:8
[INFO] [stdout]    |
[INFO] [stdout] 6  | impl RunningTotal {
[INFO] [stdout]    | ----------------- associated items in this implementation
[INFO] [stdout] 7  |     fn new(total: i32, count: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     fn print_average(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     fn add_value(&mut self, value: i32) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> basics/src/structs/running_totals.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/structs/speed.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Kmh {
[INFO] [stdout]   | -------- associated function in this implementation
[INFO] [stdout] 7 |     fn new(value: u32) -> Kmh {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> basics/src/structs/speed.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Mph {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] 18 |     fn new(value: u32) -> Mph {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `quadruple` is never used
[INFO] [stdout]  --> basics/src/traits/bounds.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn quadruple<T: Operations>(x: T) -> T {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pair` is never constructed
[INFO] [stdout]  --> basics/src/traits/pair.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Pair<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> basics/src/traits/pair.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T> Pair<T> {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 9 |     fn new(x: T, y: T) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cmp_display` is never used
[INFO] [stdout]   --> basics/src/traits/pair.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl<T: Display + PartialOrd> Pair<T> {
[INFO] [stdout]    | ------------------------------------- method in this implementation
[INFO] [stdout] 18 |     fn cmp_display(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NewsArticle` is never constructed
[INFO] [stdout]  --> basics/src/traits/summary.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct NewsArticle {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `reply` and `retweet` are never read
[INFO] [stdout]   --> basics/src/traits/summary.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Tweet {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     reply: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 26 |     retweet: bool,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn notify(item: &impl Summary) {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 | fn print<T: Summary>(item: &T) {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify2` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn notify2(item: &(impl Summary + Display)) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `notify3` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:52:4
[INFO] [stdout]    |
[INFO] [stdout] 52 | fn notify3<T: Summary + Display>(item: &T) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn some_function<T: Display + Clone, U: Clone + Debug>(t: &T, u: &U) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `some_function2` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:63:4
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn some_function2<T, U>(t: &T, u: &U) -> i32
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `returns_summarizable` is never used
[INFO] [stdout]   --> basics/src/traits/summary.rs:75:4
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn returns_summarizable() -> impl Summary {
[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)]` 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)]` 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: function `fibonacci` is never used
[INFO] [stdout]  --> math/src/fibonacci.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.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn fibs(count: usize) -> Vec<u32> {
[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: `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)]` on by default
[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]   = note: `#[warn(dead_code)]` on by default
[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)]` 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)]` 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] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking time v0.3.37
[INFO] [stderr]     Checking rand_core v0.9.0
[INFO] [stderr]     Checking timeutils v0.1.0 (/opt/rustwide/workdir/time)
[INFO] [stdout] warning: associated items `new`, `build`, and `add_minutes` are never used
[INFO] [stdout]   --> time/src/clock/clock.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Clock {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 9  |     pub fn new(hours: i32, minutes: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn build(minutes: i32) -> Self {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn add_minutes(&self, minutes: i32) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `gigasecond_after` is never used
[INFO] [stdout]  --> time/src/gigasecond/gigasecond.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn gigasecond_after(start: DateTime) -> DateTime {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking guess_game v0.1.0 (/opt/rustwide/workdir/programs/guess_game)
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stdout]   --> programs/guess_game/src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let secret_number = rand::thread_rng().gen_range(1..=100);
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]   --> programs/guess_game/src/main.rs:10:44
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let secret_number = rand::thread_rng().gen_range(1..=100);
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stdout]   --> programs/guess_game/src/main.rs:10:31
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let secret_number = rand::thread_rng().gen_range(1..=100);
[INFO] [stdout]    |                               ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]   --> programs/guess_game/src/main.rs:10:44
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let secret_number = rand::thread_rng().gen_range(1..=100);
[INFO] [stdout]    |                                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.33s
[INFO] running `Command { std: "docker" "inspect" "39cee5764ecb24efdf69b0692f61d0ed2e416ea2bf2ad849c183a98e63ff8aec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39cee5764ecb24efdf69b0692f61d0ed2e416ea2bf2ad849c183a98e63ff8aec", kill_on_drop: false }`
[INFO] [stdout] 39cee5764ecb24efdf69b0692f61d0ed2e416ea2bf2ad849c183a98e63ff8aec
