[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] 3c9cff67d20195125a0eaf2aa5592b1de7aa9711
[INFO] checking BrianLusina/rustic-cargo against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[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 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05d6063e5a34c476809a121975250a973ec817b3a0637ee43826ca27b85f016c
[INFO] running `Command { std: "docker" "start" "-a" "05d6063e5a34c476809a121975250a973ec817b3a0637ee43826ca27b85f016c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05d6063e5a34c476809a121975250a973ec817b3a0637ee43826ca27b85f016c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d6063e5a34c476809a121975250a973ec817b3a0637ee43826ca27b85f016c", kill_on_drop: false }`
[INFO] [stdout] 05d6063e5a34c476809a121975250a973ec817b3a0637ee43826ca27b85f016c
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8282b4525c0ed1cf8d5e7f8c056bd152d48566f101153e44f0c5594109d52661
[INFO] running `Command { std: "docker" "start" "-a" "8282b4525c0ed1cf8d5e7f8c056bd152d48566f101153e44f0c5594109d52661", 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 libc v0.2.162
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.16.1
[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]     Checking restaurant v0.1.0 (/opt/rustwide/workdir/programs/restaurant)
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking deranged v0.5.3
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[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] 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: 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: 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: 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: 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: 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: 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 `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: 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: 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: 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: 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: 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: 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 `sum_of_multiples` is never used
[INFO] [stdout]  --> math/src/multiples/sum_of_multiples.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn sum_of_multiples(limit: u32, factors: &[u32]) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum_of_multiples_2` is never used
[INFO] [stdout]   --> math/src/multiples/sum_of_multiples.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn sum_of_multiples_2(limit: u32, factors: &[u32]) -> 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] [stderr]     Checking algorithms v0.1.0 (/opt/rustwide/workdir/algorithms)
[INFO] [stderr]     Checking chacha20 v0.10.0
[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 `sum_of_multiples_2` is never used
[INFO] [stdout]   --> math/src/multiples/sum_of_multiples.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn sum_of_multiples_2(limit: u32, factors: &[u32]) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 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] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling syn v2.0.115
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking strings v0.1.0 (/opt/rustwide/workdir/strings)
[INFO] [stderr]     Checking guess_game v0.1.0 (/opt/rustwide/workdir/programs/guess_game)
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]   --> strings/src/shuffler/name_shuffler.rs:80:9
[INFO] [stdout]    |
[INFO] [stdout] 80 |     use rand::Rng;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[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]    |                               ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> programs/guess_game/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `thread_rng` in crate `rand`
[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]    |                               ^^^^^^^^^^ not found in `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::Rng`
[INFO] [stdout]  --> programs/guess_game/src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rand::Rng;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_length` is never used
[INFO] [stdout]  --> strings/src/addlength/add_length.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn add_length(s: &str) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_drink_by_profession` is never used
[INFO] [stdout]  --> strings/src/bartender/bartender.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn get_drink_by_profession(param: &str) -> &'static str {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `how_many_lightsabers_do_you_own` is never used
[INFO] [stdout]  --> strings/src/lightsabers/lightsabers.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn how_many_lightsabers_do_you_own(name: &str) -> u8 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_short` is never used
[INFO] [stdout]  --> strings/src/utils/short.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn find_short(s: &str) -> u32 {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `guess_game` (bin "guess_game") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `guess_game` (bin "guess_game" test) due to 1 previous error; 1 warning emitted
[INFO] [stdout] error[E0599]: no method named `random_range` found for struct `ThreadRng` in the current scope
[INFO] [stdout]    --> strings/src/shuffler/name_shuffler.rs:185:46
[INFO] [stdout]     |
[INFO] [stdout] 185 |             let first_name = first_names[rng.random_range(0..first_names.len())];
[INFO] [stdout]     |                                              ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.10.0/src/rng.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn random_range<T, R>(&mut self, range: R) -> T
[INFO] [stdout]     |        ------------ the method is available for `ThreadRng` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `random` with a similar name, but with different arguments
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.10.0/src/rng.rs:93:5
[INFO] [stdout]     |
[INFO] [stdout]  93 | /     fn random<T>(&mut self) -> T
[INFO] [stdout]  94 | |     where
[INFO] [stdout]  95 | |         StandardUniform: Distribution<T>,
[INFO] [stdout]     | |_________________________________________^
[INFO] [stdout] help: trait `RngExt` which provides `random_range` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]  79 +     use rand::RngExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `random_range` found for struct `ThreadRng` in the current scope
[INFO] [stdout]    --> strings/src/shuffler/name_shuffler.rs:186:44
[INFO] [stdout]     |
[INFO] [stdout] 186 |             let last_name = last_names[rng.random_range(0..last_names.len())];
[INFO] [stdout]     |                                            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.10.0/src/rng.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn random_range<T, R>(&mut self, range: R) -> T
[INFO] [stdout]     |        ------------ the method is available for `ThreadRng` here
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: there is a method `random` with a similar name, but with different arguments
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.10.0/src/rng.rs:93:5
[INFO] [stdout]     |
[INFO] [stdout]  93 | /     fn random<T>(&mut self) -> T
[INFO] [stdout]  94 | |     where
[INFO] [stdout]  95 | |         StandardUniform: Distribution<T>,
[INFO] [stdout]     | |_________________________________________^
[INFO] [stdout] help: trait `RngExt` which provides `random_range` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout]  79 +     use rand::RngExt;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `strings` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "8282b4525c0ed1cf8d5e7f8c056bd152d48566f101153e44f0c5594109d52661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8282b4525c0ed1cf8d5e7f8c056bd152d48566f101153e44f0c5594109d52661", kill_on_drop: false }`
[INFO] [stdout] 8282b4525c0ed1cf8d5e7f8c056bd152d48566f101153e44f0c5594109d52661
