[INFO] cloning repository https://github.com/Grubba27/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Grubba27/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrubba27%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrubba27%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9861ed564acbc5d5b54a7063c22d2ca36c291890
[INFO] testing Grubba27/hello-rust against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrubba27%2Fhello-rust" "/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/Grubba27/hello-rust
[INFO] finished tweaking git repo https://github.com/Grubba27/hello-rust
[INFO] tweaked toml for git repo https://github.com/Grubba27/hello-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Grubba27/hello-rust on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Grubba27/hello-rust 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a3f6dee99c8e8e4a5c5eb7b119a9d46ec8bfd15a6c9153d180acfb99ed34891
[INFO] running `Command { std: "docker" "start" "-a" "5a3f6dee99c8e8e4a5c5eb7b119a9d46ec8bfd15a6c9153d180acfb99ed34891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a3f6dee99c8e8e4a5c5eb7b119a9d46ec8bfd15a6c9153d180acfb99ed34891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3f6dee99c8e8e4a5c5eb7b119a9d46ec8bfd15a6c9153d180acfb99ed34891", kill_on_drop: false }`
[INFO] [stdout] 5a3f6dee99c8e8e4a5c5eb7b119a9d46ec8bfd15a6c9153d180acfb99ed34891
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91ae1bdc57dc56c8e29c3d2be1db112b2c0317890efde63e1f1e7359d79c6efd
[INFO] running `Command { std: "docker" "start" "-a" "91ae1bdc57dc56c8e29c3d2be1db112b2c0317890efde63e1f1e7359d79c6efd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::core::core::delivery_tax`
[INFO] [stdout]  --> src/tests/core_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::core::core::delivery_tax;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod core_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tax::tax::blocked_in_source_tax`
[INFO] [stdout]  --> src/tests/tax_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::tax::tax::blocked_in_source_tax;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | mod tax_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `calculate_big_salary`, `calculate_medium_salary`, `calculate_small_salary`, and `curry_function`
[INFO] [stdout]  --> src/tests/fp_test.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::fp::{calculate_big_salary, calculate_medium_salary, calculate_small_salary, curry_function};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod fp_test;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::problems::problems::biggest_sum`
[INFO] [stdout]  --> src/tests/problems_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::problems::problems::biggest_sum;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod problems_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::problems::problems::get_nested_values`
[INFO] [stdout]  --> src/tests/problems_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::problems::problems::get_nested_values;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod problems_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::problems::problems::find_digits`
[INFO] [stdout]  --> src/tests/problems_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::problems::problems::find_digits;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/tests/mod.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | mod problems_test;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `builder`, `factory_method`, and `singleton`
[INFO] [stdout]  --> src/tests/patterns/creational.rs:1:25
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::creational::{singleton, factory_method, builder};
[INFO] [stdout]   |                         ^^^^^^^^^  ^^^^^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core`
[INFO] [stdout]  --> src/tests/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::core;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Boat as BoatType`, `Car as CarType`, and `Plane as PlaneType`
[INFO] [stdout]  --> src/patterns/creational/factory_method.rs:1:55
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::creational::factory_method::VehicleTypes::{Car as CarType, Plane as PlaneType, Boat as BoatType};
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `person_type`
[INFO] [stdout]   --> src/fp/mod.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn big_hard_takes_arguments_fn(person_type: &str) -> f32 {
[INFO] [stdout]    |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_ten_percent` is never used
[INFO] [stdout]  --> src/core.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn get_ten_percent(value_of_account: f64) -> f64 {
[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 `delivery_tax` is never used
[INFO] [stdout]   --> src/core.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn delivery_tax(money: u64) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `blocked_in_source_tax` is never used
[INFO] [stdout]  --> src/tax/mod.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 |     pub fn blocked_in_source_tax(val: f64) -> f64 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `big_hard_fn` is never used
[INFO] [stdout]  --> src/fp/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn big_hard_fn() -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `other_big_hard_fn` is never used
[INFO] [stdout]  --> src/fp/mod.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn other_big_hard_fn() -> f32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `http_request` is never used
[INFO] [stdout]   --> src/fp/mod.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn http_request() -> f32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `very_big_hard_fn` is never used
[INFO] [stdout]   --> src/fp/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn very_big_hard_fn(function_calulate: f32, other_fn: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `big_hard_takes_arguments_fn` is never used
[INFO] [stdout]   --> src/fp/mod.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn big_hard_takes_arguments_fn(person_type: &str) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_salary_imposts_plus_transactions` is never used
[INFO] [stdout]   --> src/fp/mod.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn calculate_salary_imposts_plus_transactions(salary: f64, person_type: &str, cost_per_transactions: f32) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_small_salary` is never used
[INFO] [stdout]   --> src/fp/mod.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn calculate_small_salary() -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_medium_salary` is never used
[INFO] [stdout]   --> src/fp/mod.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub fn calculate_medium_salary() -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `calculate_big_salary` is never used
[INFO] [stdout]   --> src/fp/mod.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn calculate_big_salary() -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `curry_function` is never used
[INFO] [stdout]   --> src/fp/mod.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn curry_function(n: i32) -> impl Fn(i32) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `biggest_sum` is never used
[INFO] [stdout]   --> src/problems/mod.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn biggest_sum(nums: Vec<Vec<i32>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_nested_values` is never used
[INFO] [stdout]   --> src/problems/mod.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn get_nested_values(strs: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_digits` is never used
[INFO] [stdout]   --> src/problems/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn find_digits(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unique` is never constructed
[INFO] [stdout]  --> src/patterns/creational/singleton.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Unique {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_singleton` is never used
[INFO] [stdout]   --> src/patterns/creational/singleton.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn get_singleton() -> &'static Mutex<Unique> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set_singleton` is never used
[INFO] [stdout]   --> src/patterns/creational/singleton.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn set_singleton(value: &str, singleton_instance: &Mutex<Unique>) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Vehicle` is never used
[INFO] [stdout]  --> src/patterns/creational/factory_method.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Vehicle {
[INFO] [stdout]   |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `VehicleTypes` is never used
[INFO] [stdout]  --> src/patterns/creational/factory_method.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub enum VehicleTypes {
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Car` is never constructed
[INFO] [stdout]   --> src/patterns/creational/factory_method.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct Car {}
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Boat` is never constructed
[INFO] [stdout]   --> src/patterns/creational/factory_method.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Boat {}
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Plane` is never constructed
[INFO] [stdout]   --> src/patterns/creational/factory_method.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Plane {}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShapeFactory` is never constructed
[INFO] [stdout]   --> src/patterns/creational/factory_method.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct ShapeFactory;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_vehicle` is never used
[INFO] [stdout]   --> src/patterns/creational/factory_method.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl ShapeFactory {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 44 |     pub fn new_vehicle(v: &VehicleTypes) -> Box<dyn Vehicle> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ComplexObject` is never constructed
[INFO] [stdout]  --> src/patterns/creational/builder.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct ComplexObject {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create` is never used
[INFO] [stdout]  --> src/patterns/creational/builder.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl ComplexObject {
[INFO] [stdout]   | ------------------ associated function in this implementation
[INFO] [stdout] 8 |     fn create() -> ComplexObject {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Builder` is never used
[INFO] [stdout]   --> src/patterns/creational/builder.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | trait Builder {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UsableBuilder` is never constructed
[INFO] [stdout]   --> src/patterns/creational/builder.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct UsableBuilder {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create` is never used
[INFO] [stdout]   --> src/patterns/creational/builder.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl UsableBuilder {
[INFO] [stdout]    | ------------------ associated function in this implementation
[INFO] [stdout] 25 |     fn create() -> UsableBuilder {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `use_case_one_part` is never used
[INFO] [stdout]   --> src/patterns/creational/builder.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn use_case_one_part() -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `use_case_many_parts` is never used
[INFO] [stdout]   --> src/patterns/creational/builder.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn use_case_many_parts() -> Vec<String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/patterns/creational/singleton.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         UNIQ.as_mut_ptr().write(Mutex::new(Unique {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/patterns/creational/singleton.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unsafe { &*UNIQ.as_ptr() }
[INFO] [stdout]    |                ^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "91ae1bdc57dc56c8e29c3d2be1db112b2c0317890efde63e1f1e7359d79c6efd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ae1bdc57dc56c8e29c3d2be1db112b2c0317890efde63e1f1e7359d79c6efd", kill_on_drop: false }`
[INFO] [stdout] 91ae1bdc57dc56c8e29c3d2be1db112b2c0317890efde63e1f1e7359d79c6efd
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c377d1be4b85d3267b83b151cf910f80c4da59e3bf41f7574175bf58c78a3da2
[INFO] running `Command { std: "docker" "start" "-a" "c377d1be4b85d3267b83b151cf910f80c4da59e3bf41f7574175bf58c78a3da2", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `builder`
[INFO] [stdout]  --> src/tests/patterns/creational.rs:1:52
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::creational::{singleton, factory_method, builder};
[INFO] [stdout]   |                                                    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::core`
[INFO] [stdout]  --> src/tests/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::core;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Boat as BoatType`, `Car as CarType`, and `Plane as PlaneType`
[INFO] [stdout]  --> src/patterns/creational/factory_method.rs:1:55
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::creational::factory_method::VehicleTypes::{Car as CarType, Plane as PlaneType, Boat as BoatType};
[INFO] [stdout]   |                                                       ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `person_type`
[INFO] [stdout]   --> src/fp/mod.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn big_hard_takes_arguments_fn(person_type: &str) -> f32 {
[INFO] [stdout]    |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person_type`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_ten_percent` is never used
[INFO] [stdout]  --> src/core.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn get_ten_percent(value_of_account: f64) -> f64 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/patterns/creational/singleton.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         UNIQ.as_mut_ptr().write(Mutex::new(Unique {
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/patterns/creational/singleton.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     unsafe { &*UNIQ.as_ptr() }
[INFO] [stdout]    |                ^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "c377d1be4b85d3267b83b151cf910f80c4da59e3bf41f7574175bf58c78a3da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c377d1be4b85d3267b83b151cf910f80c4da59e3bf41f7574175bf58c78a3da2", kill_on_drop: false }`
[INFO] [stdout] c377d1be4b85d3267b83b151cf910f80c4da59e3bf41f7574175bf58c78a3da2
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 90e13ff21bf9fbfe37ba91ee15938fa5139df8f6251a4aca0370f1b7c3145bbf
[INFO] running `Command { std: "docker" "start" "-a" "90e13ff21bf9fbfe37ba91ee15938fa5139df8f6251a4aca0370f1b7c3145bbf", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `builder`
[INFO] [stderr]  --> src/tests/patterns/creational.rs:1:52
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::creational::{singleton, factory_method, builder};
[INFO] [stderr]   |                                                    ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::core`
[INFO] [stderr]  --> src/tests/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::core;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Boat as BoatType`, `Car as CarType`, and `Plane as PlaneType`
[INFO] [stderr]  --> src/patterns/creational/factory_method.rs:1:55
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::creational::factory_method::VehicleTypes::{Car as CarType, Plane as PlaneType, Boat as BoatType};
[INFO] [stderr]   |                                                       ^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `person_type`
[INFO] [stderr]   --> src/fp/mod.rs:19:36
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn big_hard_takes_arguments_fn(person_type: &str) -> f32 {
[INFO] [stderr]    |                                    ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_person_type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_ten_percent` is never used
[INFO] [stderr]  --> src/core.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub fn get_ten_percent(value_of_account: f64) -> f64 {
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a mutable reference to mutable static
[INFO] [stderr]   --> src/patterns/creational/singleton.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |         UNIQ.as_mut_ptr().write(Mutex::new(Unique {
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]   --> src/patterns/creational/singleton.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 |     unsafe { &*UNIQ.as_ptr() }
[INFO] [stderr]    |                ^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]    |
[INFO] [stderr]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `hello-rust` (bin "hello-rust" test) generated 7 warnings (run `cargo fix --bin "hello-rust" -p hello-rust --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_rust-52ca5401beb63061)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test tests::core_test::core_test::tax_below_80_with_1_test ... ok
[INFO] [stdout] test tests::core_test::core_test::tax_between_exact_test ... ok
[INFO] [stdout] test tests::core_test::core_test::tax_between_normal_test ... ok
[INFO] [stdout] test tests::core_test::core_test::tax_below_80_with_80_test ... ok
[INFO] [stdout] test tests::core_test::core_test::tax_bigger_exact_test ... ok
[INFO] [stdout] test tests::core_test::core_test::tax_bigger_normal_test ... ok
[INFO] [stdout] test tests::fp_test::fp_test::big_salary_test ... ok
[INFO] [stdout] test tests::fp_test::fp_test::curring_test ... ok
[INFO] [stdout] test tests::fp_test::fp_test::medium_salary_test ... ok
[INFO] [stdout] test tests::fp_test::fp_test::small_salary_test ... ok
[INFO] [stdout] test tests::patterns::creational::creational_test::abstract_factory_create_boat ... ok
[INFO] [stdout] test tests::patterns::creational::creational_test::abstract_factory_create_car ... ok
[INFO] [stdout] test tests::patterns::creational::creational_test::abstract_factory_create_plane ... ok
[INFO] [stdout] test tests::patterns::creational::creational_test::builder_create_one_part_test ... ok
[INFO] [stdout] test tests::patterns::creational::creational_test::get_singleton_test ... ok
[INFO] [stdout] test tests::patterns::creational::creational_test::update_singleton_test ... ok
[INFO] [stdout] test tests::problems_test::problems_test::biggest_sum_test ... ok
[INFO] [stdout] test tests::problems_test::problems_test::get_nested_values_1_test ... ok
[INFO] [stdout] test tests::problems_test::problems_test::get_nested_values_2_test ... ok
[INFO] [stdout] test tests::tax_test::tax_text::money_below_1000_test_max ... ok
[INFO] [stdout] test tests::tax_test::tax_text::money_below_1000_test_min ... ok
[INFO] [stdout] test tests::tax_test::tax_text::tax_above_exact_test_min ... ok
[INFO] [stdout] test tests::patterns::creational::creational_test::builder_create_many_parts_test ... ok
[INFO] [stdout] test tests::tax_test::tax_text::tax_above_exact_test_max ... ok
[INFO] [stdout] test tests::problems_test::problems_test::get_even_number_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "90e13ff21bf9fbfe37ba91ee15938fa5139df8f6251a4aca0370f1b7c3145bbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e13ff21bf9fbfe37ba91ee15938fa5139df8f6251a4aca0370f1b7c3145bbf", kill_on_drop: false }`
[INFO] [stdout] 90e13ff21bf9fbfe37ba91ee15938fa5139df8f6251a4aca0370f1b7c3145bbf
