[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 master#d7bd9cd469ff6871420007f091ef52fc32d2ca99 for pr-121417-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGrubba27%2Fhello-rust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Grubba27/hello-rust on toolchain d7bd9cd469ff6871420007f091ef52fc32d2ca99
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[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" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded rand_core v0.6.3
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[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff2a4c455775aeb0e0069cd999429565eff3316e085f56aa7726fd621f799c2d
[INFO] running `Command { std: "docker" "start" "-a" "ff2a4c455775aeb0e0069cd999429565eff3316e085f56aa7726fd621f799c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff2a4c455775aeb0e0069cd999429565eff3316e085f56aa7726fd621f799c2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2a4c455775aeb0e0069cd999429565eff3316e085f56aa7726fd621f799c2d", kill_on_drop: false }`
[INFO] [stdout] ff2a4c455775aeb0e0069cd999429565eff3316e085f56aa7726fd621f799c2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b803fda153be63a33a6f09dc4290409f504cfa5f004f19d4337b641619dda426
[INFO] running `Command { std: "docker" "start" "-a" "b803fda153be63a33a6f09dc4290409f504cfa5f004f19d4337b641619dda426", 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: 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)]` 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: 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`, `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: 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: 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: 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: 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`, `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: 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`, `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)]` 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)]` 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]   = note: `Unique` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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: method `translocate` is never used
[INFO] [stdout]  --> src/patterns/creational/factory_method.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Vehicle {
[INFO] [stdout]   |           ------- method in this trait
[INFO] [stdout] 4 |     fn translocate(&self) -> &str;
[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 `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]   = note: `ComplexObject` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[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: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.58s
[INFO] running `Command { std: "docker" "inspect" "b803fda153be63a33a6f09dc4290409f504cfa5f004f19d4337b641619dda426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b803fda153be63a33a6f09dc4290409f504cfa5f004f19d4337b641619dda426", kill_on_drop: false }`
[INFO] [stdout] b803fda153be63a33a6f09dc4290409f504cfa5f004f19d4337b641619dda426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d07cc00cf0dfabd17570aab5a03bd9f47fafaacccacb230e01939b3103a5b5ab
[INFO] running `Command { std: "docker" "start" "-a" "d07cc00cf0dfabd17570aab5a03bd9f47fafaacccacb230e01939b3103a5b5ab", 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)]` 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`, `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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "d07cc00cf0dfabd17570aab5a03bd9f47fafaacccacb230e01939b3103a5b5ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d07cc00cf0dfabd17570aab5a03bd9f47fafaacccacb230e01939b3103a5b5ab", kill_on_drop: false }`
[INFO] [stdout] d07cc00cf0dfabd17570aab5a03bd9f47fafaacccacb230e01939b3103a5b5ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d7bd9cd469ff6871420007f091ef52fc32d2ca99" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 837e49ccbf8a8b95119385e8ceb1233321061153e7444f51d09e50b6aa6011c7
[INFO] running `Command { std: "docker" "start" "-a" "837e49ccbf8a8b95119385e8ceb1233321061153e7444f51d09e50b6aa6011c7", 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)]` 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`, `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)]` 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hello-rust` (bin "hello-rust" test) generated 5 warnings (run `cargo fix --bin "hello-rust" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_rust-0b1c2711cfc217d2)
[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_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_between_exact_test ... ok
[INFO] [stdout] test tests::fp_test::fp_test::curring_test ... ok
[INFO] [stdout] test tests::patterns::creational::creational_test::abstract_factory_create_boat ... ok
[INFO] [stdout] test tests::core_test::core_test::tax_bigger_exact_test ... ok
[INFO] [stdout] test tests::fp_test::fp_test::small_salary_test ... ok
[INFO] [stdout] test tests::core_test::core_test::tax_bigger_normal_test ... 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_even_number_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_max ... ok
[INFO] [stdout] test tests::tax_test::tax_text::tax_above_exact_test_min ... ok
[INFO] [stdout] test tests::fp_test::fp_test::big_salary_test ... ok
[INFO] [stdout] test tests::fp_test::fp_test::medium_salary_test ... 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_many_parts_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "837e49ccbf8a8b95119385e8ceb1233321061153e7444f51d09e50b6aa6011c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "837e49ccbf8a8b95119385e8ceb1233321061153e7444f51d09e50b6aa6011c7", kill_on_drop: false }`
[INFO] [stdout] 837e49ccbf8a8b95119385e8ceb1233321061153e7444f51d09e50b6aa6011c7