[INFO] cloning repository https://github.com/Nirnberger/uni-privacy_enhancing_technologies
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nirnberger/uni-privacy_enhancing_technologies" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNirnberger%2Funi-privacy_enhancing_technologies", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNirnberger%2Funi-privacy_enhancing_technologies'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dcae8bdd222f28d2ef01169b8d56cc05104f284e
[INFO] testing Nirnberger/uni-privacy_enhancing_technologies against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNirnberger%2Funi-privacy_enhancing_technologies" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Nirnberger/uni-privacy_enhancing_technologies
[INFO] finished tweaking git repo https://github.com/Nirnberger/uni-privacy_enhancing_technologies
[INFO] tweaked toml for git repo https://github.com/Nirnberger/uni-privacy_enhancing_technologies written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nirnberger/uni-privacy_enhancing_technologies on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Nirnberger/uni-privacy_enhancing_technologies 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db18015e3a2a2c8f67d85d45f2945b16909477de338bb6cfdaa99c6f4becce58
[INFO] running `Command { std: "docker" "start" "-a" "db18015e3a2a2c8f67d85d45f2945b16909477de338bb6cfdaa99c6f4becce58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db18015e3a2a2c8f67d85d45f2945b16909477de338bb6cfdaa99c6f4becce58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db18015e3a2a2c8f67d85d45f2945b16909477de338bb6cfdaa99c6f4becce58", kill_on_drop: false }`
[INFO] [stdout] db18015e3a2a2c8f67d85d45f2945b16909477de338bb6cfdaa99c6f4becce58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ef549ee1da83391d6e6737369db8da319e46b323f44006ed600eb04a83b4898
[INFO] running `Command { std: "docker" "start" "-a" "6ef549ee1da83391d6e6737369db8da319e46b323f44006ed600eb04a83b4898", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling PETBScExercise2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/task_1_5.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{self, File};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:209:11
[INFO] [stdout]     |
[INFO] [stdout] 209 |         if(actual.is_ok() && e.is_ok()){
[INFO] [stdout]     |           ^                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 209 -         if(actual.is_ok() && e.is_ok()){
[INFO] [stdout] 209 +         if actual.is_ok() && e.is_ok() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:212:15
[INFO] [stdout]     |
[INFO] [stdout] 212 |             if(act == exp){
[INFO] [stdout]     |               ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 212 -             if(act == exp){
[INFO] [stdout] 212 +             if act == exp {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:233:3
[INFO] [stdout]     |
[INFO] [stdout] 233 | if(result_a.is_ok()){
[INFO] [stdout]     |   ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 233 - if(result_a.is_ok()){
[INFO] [stdout] 233 + if result_a.is_ok() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:241:3
[INFO] [stdout]     |
[INFO] [stdout] 241 | if(result_b.is_ok()){
[INFO] [stdout]     |   ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 241 - if(result_b.is_ok()){
[INFO] [stdout] 241 + if result_b.is_ok() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:247:3
[INFO] [stdout]     |
[INFO] [stdout] 247 | if(result_c.is_err()){
[INFO] [stdout]     |   ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 247 - if(result_c.is_err()){
[INFO] [stdout] 247 + if result_c.is_err() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:265:3
[INFO] [stdout]     |
[INFO] [stdout] 265 | if(sumed.is_ok() && sumed.unwrap() == 6){
[INFO] [stdout]     |   ^                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 265 - if(sumed.is_ok() && sumed.unwrap() == 6){
[INFO] [stdout] 265 + if sumed.is_ok() && sumed.unwrap() == 6 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rand_num`
[INFO] [stdout]    --> src/main.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 | let rand_num = "some_txt";
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_num`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_task_3` is never used
[INFO] [stdout]    --> src/main.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn test_task_3(){
[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 `Student` is never constructed
[INFO] [stdout]  --> src/task_1_3.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Student {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_student` and `display` are never used
[INFO] [stdout]   --> src/task_1_3.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Student {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     // Function to create a new Student instance
[INFO] [stdout] 11 |     pub fn new_student(name: String, age: u32, gpa: f32) -> Student {Student {name, age, gpa}}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn display(&self) {println!("Name: {}, age: {}, gpa: {}", self.name, self.age, self.gpa)}
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TrafficLight` is never used
[INFO] [stdout]   --> src/task_1_3.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum TrafficLight {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `light_duration` is never used
[INFO] [stdout]   --> src/task_1_3.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl TrafficLight {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 26 |     // Function to return the duration of each light
[INFO] [stdout] 27 |     pub fn light_duration(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `safe_divide` is never used
[INFO] [stdout]   --> src/task_1_3.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn safe_divide(a: i32, b: i32) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.44s
[INFO] running `Command { std: "docker" "inspect" "6ef549ee1da83391d6e6737369db8da319e46b323f44006ed600eb04a83b4898", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef549ee1da83391d6e6737369db8da319e46b323f44006ed600eb04a83b4898", kill_on_drop: false }`
[INFO] [stdout] 6ef549ee1da83391d6e6737369db8da319e46b323f44006ed600eb04a83b4898
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10775bfdacb101e0d7913645b2f292119c8fa9a8173b30715c770dfbc214ef96
[INFO] running `Command { std: "docker" "start" "-a" "10775bfdacb101e0d7913645b2f292119c8fa9a8173b30715c770dfbc214ef96", kill_on_drop: false }`
[INFO] [stderr]    Compiling PETBScExercise2024 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/task_1_5.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::{self, File};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:209:11
[INFO] [stdout]     |
[INFO] [stdout] 209 |         if(actual.is_ok() && e.is_ok()){
[INFO] [stdout]     |           ^                           ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 209 -         if(actual.is_ok() && e.is_ok()){
[INFO] [stdout] 209 +         if actual.is_ok() && e.is_ok() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:212:15
[INFO] [stdout]     |
[INFO] [stdout] 212 |             if(act == exp){
[INFO] [stdout]     |               ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 212 -             if(act == exp){
[INFO] [stdout] 212 +             if act == exp {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:233:3
[INFO] [stdout]     |
[INFO] [stdout] 233 | if(result_a.is_ok()){
[INFO] [stdout]     |   ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 233 - if(result_a.is_ok()){
[INFO] [stdout] 233 + if result_a.is_ok() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:241:3
[INFO] [stdout]     |
[INFO] [stdout] 241 | if(result_b.is_ok()){
[INFO] [stdout]     |   ^                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 241 - if(result_b.is_ok()){
[INFO] [stdout] 241 + if result_b.is_ok() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:247:3
[INFO] [stdout]     |
[INFO] [stdout] 247 | if(result_c.is_err()){
[INFO] [stdout]     |   ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 247 - if(result_c.is_err()){
[INFO] [stdout] 247 + if result_c.is_err() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:265:3
[INFO] [stdout]     |
[INFO] [stdout] 265 | if(sumed.is_ok() && sumed.unwrap() == 6){
[INFO] [stdout]     |   ^                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 265 - if(sumed.is_ok() && sumed.unwrap() == 6){
[INFO] [stdout] 265 + if sumed.is_ok() && sumed.unwrap() == 6 {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rand_num`
[INFO] [stdout]    --> src/main.rs:256:5
[INFO] [stdout]     |
[INFO] [stdout] 256 | let rand_num = "some_txt";
[INFO] [stdout]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_num`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_task_3` is never used
[INFO] [stdout]    --> src/main.rs:106:4
[INFO] [stdout]     |
[INFO] [stdout] 106 | fn test_task_3(){
[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 `Student` is never constructed
[INFO] [stdout]  --> src/task_1_3.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Student {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_student` and `display` are never used
[INFO] [stdout]   --> src/task_1_3.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Student {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 10 |     // Function to create a new Student instance
[INFO] [stdout] 11 |     pub fn new_student(name: String, age: u32, gpa: f32) -> Student {Student {name, age, gpa}}
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |     pub fn display(&self) {println!("Name: {}, age: {}, gpa: {}", self.name, self.age, self.gpa)}
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TrafficLight` is never used
[INFO] [stdout]   --> src/task_1_3.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum TrafficLight {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `light_duration` is never used
[INFO] [stdout]   --> src/task_1_3.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl TrafficLight {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 26 |     // Function to return the duration of each light
[INFO] [stdout] 27 |     pub fn light_duration(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `safe_divide` is never used
[INFO] [stdout]   --> src/task_1_3.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn safe_divide(a: i32, b: i32) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "10775bfdacb101e0d7913645b2f292119c8fa9a8173b30715c770dfbc214ef96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10775bfdacb101e0d7913645b2f292119c8fa9a8173b30715c770dfbc214ef96", kill_on_drop: false }`
[INFO] [stdout] 10775bfdacb101e0d7913645b2f292119c8fa9a8173b30715c770dfbc214ef96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c294163011bf7a922af11109d8f040fc69e45cfb60bba6f2b6b39aff17bd1bf8
[INFO] running `Command { std: "docker" "start" "-a" "c294163011bf7a922af11109d8f040fc69e45cfb60bba6f2b6b39aff17bd1bf8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/task_1_5.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs::{self, File};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:209:11
[INFO] [stderr]     |
[INFO] [stderr] 209 |         if(actual.is_ok() && e.is_ok()){
[INFO] [stderr]     |           ^                           ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 209 -         if(actual.is_ok() && e.is_ok()){
[INFO] [stderr] 209 +         if actual.is_ok() && e.is_ok() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:212:15
[INFO] [stderr]     |
[INFO] [stderr] 212 |             if(act == exp){
[INFO] [stderr]     |               ^          ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 212 -             if(act == exp){
[INFO] [stderr] 212 +             if act == exp {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:233:3
[INFO] [stderr]     |
[INFO] [stderr] 233 | if(result_a.is_ok()){
[INFO] [stderr]     |   ^                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 233 - if(result_a.is_ok()){
[INFO] [stderr] 233 + if result_a.is_ok() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:241:3
[INFO] [stderr]     |
[INFO] [stderr] 241 | if(result_b.is_ok()){
[INFO] [stderr]     |   ^                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 241 - if(result_b.is_ok()){
[INFO] [stderr] 241 + if result_b.is_ok() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:247:3
[INFO] [stderr]     |
[INFO] [stderr] 247 | if(result_c.is_err()){
[INFO] [stderr]     |   ^                 ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 247 - if(result_c.is_err()){
[INFO] [stderr] 247 + if result_c.is_err() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:265:3
[INFO] [stderr]     |
[INFO] [stderr] 265 | if(sumed.is_ok() && sumed.unwrap() == 6){
[INFO] [stderr]     |   ^                                    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 265 - if(sumed.is_ok() && sumed.unwrap() == 6){
[INFO] [stderr] 265 + if sumed.is_ok() && sumed.unwrap() == 6 {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rand_num`
[INFO] [stderr]    --> src/main.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 | let rand_num = "some_txt";
[INFO] [stderr]     |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rand_num`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_task_3` is never used
[INFO] [stderr]    --> src/main.rs:106:4
[INFO] [stderr]     |
[INFO] [stderr] 106 | fn test_task_3(){
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Student` is never constructed
[INFO] [stderr]  --> src/task_1_3.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Student {
[INFO] [stderr]   |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new_student` and `display` are never used
[INFO] [stderr]   --> src/task_1_3.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl Student {
[INFO] [stderr]    | ------------ associated items in this implementation
[INFO] [stderr] 10 |     // Function to create a new Student instance
[INFO] [stderr] 11 |     pub fn new_student(name: String, age: u32, gpa: f32) -> Student {Student {name, age, gpa}}
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 14 |     pub fn display(&self) {println!("Name: {}, age: {}, gpa: {}", self.name, self.age, self.gpa)}
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `TrafficLight` is never used
[INFO] [stderr]   --> src/task_1_3.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub enum TrafficLight {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `light_duration` is never used
[INFO] [stderr]   --> src/task_1_3.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | impl TrafficLight {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] 26 |     // Function to return the duration of each light
[INFO] [stderr] 27 |     pub fn light_duration(&self) -> u32 {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `safe_divide` is never used
[INFO] [stderr]   --> src/task_1_3.rs:39:8
[INFO] [stderr]    |
[INFO] [stderr] 39 | pub fn safe_divide(a: i32, b: i32) -> Option<i32> {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `PETBScExercise2024` (bin "PETBScExercise2024" test) generated 14 warnings (run `cargo fix --bin "PETBScExercise2024" --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/PETBScExercise2024-1d99715e87c5a0e1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c294163011bf7a922af11109d8f040fc69e45cfb60bba6f2b6b39aff17bd1bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c294163011bf7a922af11109d8f040fc69e45cfb60bba6f2b6b39aff17bd1bf8", kill_on_drop: false }`
[INFO] [stdout] c294163011bf7a922af11109d8f040fc69e45cfb60bba6f2b6b39aff17bd1bf8