[INFO] cloning repository https://github.com/fijisoo/lustLover
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fijisoo/lustLover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffijisoo%2FlustLover", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffijisoo%2FlustLover'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffijisoo%2FlustLover: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/fijisoo/lustLover
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fijisoo/lustLover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffijisoo%2FlustLover", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffijisoo%2FlustLover'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77297d908559aca369cfd73810e052e2a6abeaf9
[INFO] checking fijisoo/lustLover against master#01706e1a34c87656fcbfce198608f4cd2ac6461a for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffijisoo%2FlustLover" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fijisoo/lustLover on toolchain 01706e1a34c87656fcbfce198608f4cd2ac6461a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fijisoo/lustLover
[INFO] finished tweaking git repo https://github.com/fijisoo/lustLover
[INFO] tweaked toml for git repo https://github.com/fijisoo/lustLover written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fijisoo/lustLover 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" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d903a7951729a50297d20182f34459d9b343815b63ebb7c6060862f111d8c89b
[INFO] running `Command { std: "docker" "start" "-a" "d903a7951729a50297d20182f34459d9b343815b63ebb7c6060862f111d8c89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d903a7951729a50297d20182f34459d9b343815b63ebb7c6060862f111d8c89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d903a7951729a50297d20182f34459d9b343815b63ebb7c6060862f111d8c89b", kill_on_drop: false }`
[INFO] [stdout] d903a7951729a50297d20182f34459d9b343815b63ebb7c6060862f111d8c89b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+01706e1a34c87656fcbfce198608f4cd2ac6461a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f346b837ff56b4c9e51a694e25fd57cd9440af60a4d69e980ee35ed4cd931fd
[INFO] running `Command { std: "docker" "start" "-a" "0f346b837ff56b4c9e51a694e25fd57cd9440af60a4d69e980ee35ed4cd931fd", kill_on_drop: false }`
[INFO] [stderr]     Checking untitled v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/playground.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/playground.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/wskazniki_i_referencje/ex5.rs:16:40
[INFO] [stdout]    |
[INFO] [stdout] 16 |     println!("stara wartosc x: {}", z);;
[INFO] [stdout]    |                                        ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/typy_zlozone/ex15.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     if(val > 0){
[INFO] [stdout]   |       ^       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     if(val > 0){
[INFO] [stdout] 6 +     if val > 0 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/typy_zlozone/ex16.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     if(denominator == 0.0){
[INFO] [stdout]   |       ^                  ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     if(denominator == 0.0){
[INFO] [stdout] 6 +     if denominator == 0.0 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/programowanie_funkcyjne/ex18.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |         if(val % 2 == 0){
[INFO] [stdout]    |           ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 -         if(val % 2 == 0){
[INFO] [stdout] 15 +         if val % 2 == 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::podstawy_rust::ex1::run_ex1`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::podstawy_rust::ex1::run_ex1;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::podstawy_rust::ex2::run_ex2`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::podstawy_rust::ex2::run_ex2;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::podstawy_rust::ex3::run_ex3`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::podstawy_rust::ex3::run_ex3;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::wskazniki_i_referencje::ex4::run_ex4`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::wskazniki_i_referencje::ex4::run_ex4;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::wskazniki_i_referencje::ex5::run_ex5`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::wskazniki_i_referencje::ex5::run_ex5;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::struktury_i_enumeracje::ex6::run_ex6`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::struktury_i_enumeracje::ex6::run_ex6;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::struktury_i_enumeracje::ex7::run_ex7`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::struktury_i_enumeracje::ex7::run_ex7;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::struktury_i_enumeracje::ex8::run_ex8`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::struktury_i_enumeracje::ex8::run_ex8;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kompilacja_i_bezpieczenstwo::ex12::run_ex12`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::kompilacja_i_bezpieczenstwo::ex12::run_ex12;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kompilacja_i_bezpieczenstwo::ex13::run_ex13`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use crate::kompilacja_i_bezpieczenstwo::ex13::run_ex13;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::typy_zlozone::ex14::run_ex14`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::typy_zlozone::ex14::run_ex14;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::typy_zlozone::ex15::run_ex15`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use crate::typy_zlozone::ex15::run_ex15;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::typy_zlozone::ex16::run_ex16`
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use crate::typy_zlozone::ex16::run_ex16;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::programowanie_funkcyjne::ex17::run_ex17`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use crate::programowanie_funkcyjne::ex17::run_ex17;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tuple`
[INFO] [stdout]   --> src/podstawy_rust/ex1.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let tuple = (8i16, "test", 1.2, true);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vector`
[INFO] [stdout]   --> src/podstawy_rust/ex1.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let vector = vec![42, 2, 4];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]  --> src/playground.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::RefCell;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/playground.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/wskazniki_i_referencje/ex5.rs:16:40
[INFO] [stdout]    |
[INFO] [stdout] 16 |     println!("stara wartosc x: {}", z);;
[INFO] [stdout]    |                                        ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/typy_zlozone/ex15.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     if(val > 0){
[INFO] [stdout]   |       ^       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     if(val > 0){
[INFO] [stdout] 6 +     if val > 0 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/typy_zlozone/ex16.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 |     if(denominator == 0.0){
[INFO] [stdout]   |       ^                  ^
[INFO] [stdout]   |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 6 -     if(denominator == 0.0){
[INFO] [stdout] 6 +     if denominator == 0.0 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/programowanie_funkcyjne/ex18.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 |         if(val % 2 == 0){
[INFO] [stdout]    |           ^            ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 15 -         if(val % 2 == 0){
[INFO] [stdout] 15 +         if val % 2 == 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::podstawy_rust::ex1::run_ex1`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::podstawy_rust::ex1::run_ex1;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::podstawy_rust::ex2::run_ex2`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::podstawy_rust::ex2::run_ex2;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::podstawy_rust::ex3::run_ex3`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::podstawy_rust::ex3::run_ex3;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]   --> src/zarzadzanie_pamiecia/ex9.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut e = d.clone();
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/zarzadzanie_pamiecia/ex9.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut d: String;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::wskazniki_i_referencje::ex4::run_ex4`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use crate::wskazniki_i_referencje::ex4::run_ex4;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::wskazniki_i_referencje::ex5::run_ex5`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::wskazniki_i_referencje::ex5::run_ex5;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::struktury_i_enumeracje::ex6::run_ex6`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::struktury_i_enumeracje::ex6::run_ex6;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::struktury_i_enumeracje::ex7::run_ex7`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::struktury_i_enumeracje::ex7::run_ex7;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::struktury_i_enumeracje::ex8::run_ex8`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use crate::struktury_i_enumeracje::ex8::run_ex8;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kompilacja_i_bezpieczenstwo::ex12::run_ex12`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use crate::kompilacja_i_bezpieczenstwo::ex12::run_ex12;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::kompilacja_i_bezpieczenstwo::ex13::run_ex13`
[INFO] [stdout]   --> src/main.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use crate::kompilacja_i_bezpieczenstwo::ex13::run_ex13;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::typy_zlozone::ex14::run_ex14`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use crate::typy_zlozone::ex14::run_ex14;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::typy_zlozone::ex15::run_ex15`
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use crate::typy_zlozone::ex15::run_ex15;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::typy_zlozone::ex16::run_ex16`
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use crate::typy_zlozone::ex16::run_ex16;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::programowanie_funkcyjne::ex17::run_ex17`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use crate::programowanie_funkcyjne::ex17::run_ex17;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Shape` is never used
[INFO] [stdout]  --> src/method_factory_enum_example.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Shape {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `area` is never used
[INFO] [stdout]  --> src/method_factory_enum_example.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Shape {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 8 |     fn area(&self) -> f64 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/method_factory_enum_example.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex1` is never used
[INFO] [stdout]  --> src/podstawy_rust/ex1.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex1() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex2` is never used
[INFO] [stdout]  --> src/podstawy_rust/ex2.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn run_ex2() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]  --> src/podstawy_rust/ex3.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn sum(a: u8, b: u8) -> u8 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex3` is never used
[INFO] [stdout]   --> src/podstawy_rust/ex3.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn run_ex3 () {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex4` is never used
[INFO] [stdout]  --> src/wskazniki_i_referencje/ex4.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn run_ex4() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex5` is never used
[INFO] [stdout]  --> src/wskazniki_i_referencje/ex5.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn run_ex5(){
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/struktury_i_enumeracje/ex6.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex6` is never used
[INFO] [stdout]   --> src/struktury_i_enumeracje/ex6.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn run_ex6(){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]  --> src/struktury_i_enumeracje/ex7.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct TreeNode {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex7` is never used
[INFO] [stdout]   --> src/struktury_i_enumeracje/ex7.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run_ex7(){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/struktury_i_enumeracje/ex8.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/struktury_i_enumeracje/ex8.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `event_factory` is never used
[INFO] [stdout]   --> src/struktury_i_enumeracje/ex8.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn event_factory(direction: Direction) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex8` is never used
[INFO] [stdout]   --> src/struktury_i_enumeracje/ex8.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn run_ex8(){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex9` is never used
[INFO] [stdout]  --> src/zarzadzanie_pamiecia/ex9.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex9(){
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex10` is never used
[INFO] [stdout]  --> src/zarzadzanie_pamiecia/ex10.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run_ex10(){
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex11` is never used
[INFO] [stdout]  --> src/zarzadzanie_pamiecia/ex11.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex11(){
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex12` is never used
[INFO] [stdout]  --> src/kompilacja_i_bezpieczenstwo/ex12.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex12() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_text` is never used
[INFO] [stdout]  --> src/kompilacja_i_bezpieczenstwo/ex13.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn print_text(str: String){
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex13` is never used
[INFO] [stdout]  --> src/kompilacja_i_bezpieczenstwo/ex13.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn run_ex13(){
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]  --> src/typy_zlozone/ex14.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Student {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrincipalId` is never constructed
[INFO] [stdout]   --> src/typy_zlozone/ex14.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct PrincipalId {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex14` is never used
[INFO] [stdout]   --> src/typy_zlozone/ex14.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run_ex14() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `return_if_positive` is never used
[INFO] [stdout]  --> src/typy_zlozone/ex15.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn return_if_positive (val: i32) -> Option<i32>{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex15` is never used
[INFO] [stdout]   --> src/typy_zlozone/ex15.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run_ex15(){
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_numbers` is never used
[INFO] [stdout]  --> src/typy_zlozone/ex16.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn divide_numbers (nominator: f32, denominator: f32) -> Result<f64, String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex16` is never used
[INFO] [stdout]   --> src/typy_zlozone/ex16.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn run_ex16(){
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex17` is never used
[INFO] [stdout]  --> src/programowanie_funkcyjne/ex17.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex17(){
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex19` is never used
[INFO] [stdout]  --> src/zaawansowane_struktury_danych/ex19.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex19(){
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `heapInt` should have a snake case name
[INFO] [stdout]  --> src/zarzadzanie_pamiecia/ex11.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut heapInt: Box<u8> = Box::new(12);
[INFO] [stdout]   |             ^^^^^^^ help: convert the identifier to snake case: `heap_int`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tuple`
[INFO] [stdout]   --> src/podstawy_rust/ex1.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let tuple = (8i16, "test", 1.2, true);
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tuple`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vector`
[INFO] [stdout]   --> src/podstawy_rust/ex1.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let vector = vec![42, 2, 4];
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_vector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `e` is never read
[INFO] [stdout]   --> src/zarzadzanie_pamiecia/ex9.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut e = d.clone();
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/zarzadzanie_pamiecia/ex9.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut d: String;
[INFO] [stdout]   |         ----^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Shape` is never used
[INFO] [stdout]  --> src/method_factory_enum_example.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | enum Shape {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `area` is never used
[INFO] [stdout]  --> src/method_factory_enum_example.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Shape {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 8 |     fn area(&self) -> f64 {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test` is never used
[INFO] [stdout]   --> src/method_factory_enum_example.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex1` is never used
[INFO] [stdout]  --> src/podstawy_rust/ex1.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex1() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex2` is never used
[INFO] [stdout]  --> src/podstawy_rust/ex2.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn run_ex2() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sum` is never used
[INFO] [stdout]  --> src/podstawy_rust/ex3.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn sum(a: u8, b: u8) -> u8 {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex3` is never used
[INFO] [stdout]   --> src/podstawy_rust/ex3.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn run_ex3 () {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex4` is never used
[INFO] [stdout]  --> src/wskazniki_i_referencje/ex4.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn run_ex4() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex5` is never used
[INFO] [stdout]  --> src/wskazniki_i_referencje/ex5.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn run_ex5(){
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/struktury_i_enumeracje/ex6.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex6` is never used
[INFO] [stdout]   --> src/struktury_i_enumeracje/ex6.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn run_ex6(){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TreeNode` is never constructed
[INFO] [stdout]  --> src/struktury_i_enumeracje/ex7.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct TreeNode {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex7` is never used
[INFO] [stdout]   --> src/struktury_i_enumeracje/ex7.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run_ex7(){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/struktury_i_enumeracje/ex8.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/struktury_i_enumeracje/ex8.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `event_factory` is never used
[INFO] [stdout]   --> src/struktury_i_enumeracje/ex8.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn event_factory(direction: Direction) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex8` is never used
[INFO] [stdout]   --> src/struktury_i_enumeracje/ex8.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn run_ex8(){
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex9` is never used
[INFO] [stdout]  --> src/zarzadzanie_pamiecia/ex9.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex9(){
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex10` is never used
[INFO] [stdout]  --> src/zarzadzanie_pamiecia/ex10.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn run_ex10(){
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex11` is never used
[INFO] [stdout]  --> src/zarzadzanie_pamiecia/ex11.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex11(){
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex12` is never used
[INFO] [stdout]  --> src/kompilacja_i_bezpieczenstwo/ex12.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex12() {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_text` is never used
[INFO] [stdout]  --> src/kompilacja_i_bezpieczenstwo/ex13.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn print_text(str: String){
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex13` is never used
[INFO] [stdout]  --> src/kompilacja_i_bezpieczenstwo/ex13.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn run_ex13(){
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Student` is never constructed
[INFO] [stdout]  --> src/typy_zlozone/ex14.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Student {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrincipalId` is never constructed
[INFO] [stdout]   --> src/typy_zlozone/ex14.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | struct PrincipalId {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex14` is never used
[INFO] [stdout]   --> src/typy_zlozone/ex14.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn run_ex14() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `return_if_positive` is never used
[INFO] [stdout]  --> src/typy_zlozone/ex15.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn return_if_positive (val: i32) -> Option<i32>{
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex15` is never used
[INFO] [stdout]   --> src/typy_zlozone/ex15.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn run_ex15(){
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `divide_numbers` is never used
[INFO] [stdout]  --> src/typy_zlozone/ex16.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn divide_numbers (nominator: f32, denominator: f32) -> Result<f64, String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex16` is never used
[INFO] [stdout]   --> src/typy_zlozone/ex16.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn run_ex16(){
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex17` is never used
[INFO] [stdout]  --> src/programowanie_funkcyjne/ex17.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex17(){
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_ex19` is never used
[INFO] [stdout]  --> src/zaawansowane_struktury_danych/ex19.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn run_ex19(){
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `heapInt` should have a snake case name
[INFO] [stdout]  --> src/zarzadzanie_pamiecia/ex11.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut heapInt: Box<u8> = Box::new(12);
[INFO] [stdout]   |             ^^^^^^^ help: convert the identifier to snake case: `heap_int`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "0f346b837ff56b4c9e51a694e25fd57cd9440af60a4d69e980ee35ed4cd931fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f346b837ff56b4c9e51a694e25fd57cd9440af60a4d69e980ee35ed4cd931fd", kill_on_drop: false }`
[INFO] [stdout] 0f346b837ff56b4c9e51a694e25fd57cd9440af60a4d69e980ee35ed4cd931fd
