[INFO] cloning repository https://github.com/Acher1234/Rust-Interview-Questions
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Acher1234/Rust-Interview-Questions" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcher1234%2FRust-Interview-Questions", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcher1234%2FRust-Interview-Questions'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61d93c5f4574c8f5cf28e830dff81a04884b324b
[INFO] testing Acher1234/Rust-Interview-Questions against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcher1234%2FRust-Interview-Questions" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Acher1234/Rust-Interview-Questions
[INFO] finished tweaking git repo https://github.com/Acher1234/Rust-Interview-Questions
[INFO] tweaked toml for git repo https://github.com/Acher1234/Rust-Interview-Questions written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Acher1234/Rust-Interview-Questions on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Acher1234/Rust-Interview-Questions 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34a66bd87bc6a80a3ef8e70db187b578cf028930d9e4a98d34c017fb5fe58ed2
[INFO] running `Command { std: "docker" "start" "-a" "34a66bd87bc6a80a3ef8e70db187b578cf028930d9e4a98d34c017fb5fe58ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a66bd87bc6a80a3ef8e70db187b578cf028930d9e4a98d34c017fb5fe58ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a66bd87bc6a80a3ef8e70db187b578cf028930d9e4a98d34c017fb5fe58ed2", kill_on_drop: false }`
[INFO] [stdout] 34a66bd87bc6a80a3ef8e70db187b578cf028930d9e4a98d34c017fb5fe58ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfee2b7f3a9fd1806522cbda8d64477370d1da5996987551913fdef7e6e00040
[INFO] running `Command { std: "docker" "start" "-a" "dfee2b7f3a9fd1806522cbda8d64477370d1da5996987551913fdef7e6e00040", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rust_interview_question v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `min_value_seen` is assigned to, but never used
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut min_value_seen = 10000;
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_min_value_seen` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_value_seen` is never read
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut max_value_seen = -10000;
[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: value assigned to `rigth_value_index` is never read
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut rigth_value_index = 0;
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left_value_index` is never read
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut left_value_index = 0;
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_value_seen` is never read
[INFO] [stdout]   --> src/array/find_smallest_windows.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     (rigth_value_index, min_value_seen) =
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut base_array = create_random_array(10, 0, 1000);
[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: value assigned to `given_num` is never read
[INFO] [stdout]  --> src/utils/utils.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut given_num: i32 = 0;
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_function` is never used
[INFO] [stdout]  --> src/array/multiple_all_other_element.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main_function() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_prefix_multiple` is never used
[INFO] [stdout]   --> src/array/multiple_all_other_element.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn create_prefix_multiple(array: &Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_postfix_multiple` is never used
[INFO] [stdout]   --> src/array/multiple_all_other_element.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn create_postfix_multiple(array: &Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_number` is never used
[INFO] [stdout]  --> src/utils/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn guess_number(error_string: Option<String>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.22s
[INFO] running `Command { std: "docker" "inspect" "dfee2b7f3a9fd1806522cbda8d64477370d1da5996987551913fdef7e6e00040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfee2b7f3a9fd1806522cbda8d64477370d1da5996987551913fdef7e6e00040", kill_on_drop: false }`
[INFO] [stdout] dfee2b7f3a9fd1806522cbda8d64477370d1da5996987551913fdef7e6e00040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee184f8672608999777fadd992c9644a8a54b61b01aef0a5f37cc2ea8e746c5e
[INFO] running `Command { std: "docker" "start" "-a" "ee184f8672608999777fadd992c9644a8a54b61b01aef0a5f37cc2ea8e746c5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_interview_question v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `min_value_seen` is assigned to, but never used
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut min_value_seen = 10000;
[INFO] [stdout]   |             ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_min_value_seen` instead
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_value_seen` is never read
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut max_value_seen = -10000;
[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: value assigned to `rigth_value_index` is never read
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut rigth_value_index = 0;
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `left_value_index` is never read
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut left_value_index = 0;
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `min_value_seen` is never read
[INFO] [stdout]   --> src/array/find_smallest_windows.rs:11:25
[INFO] [stdout]    |
[INFO] [stdout] 11 |     (rigth_value_index, min_value_seen) =
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut base_array = create_random_array(10, 0, 1000);
[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: value assigned to `given_num` is never read
[INFO] [stdout]  --> src/utils/utils.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut given_num: i32 = 0;
[INFO] [stdout]   |             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main_function` is never used
[INFO] [stdout]  --> src/array/multiple_all_other_element.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn main_function() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_prefix_multiple` is never used
[INFO] [stdout]   --> src/array/multiple_all_other_element.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn create_prefix_multiple(array: &Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_postfix_multiple` is never used
[INFO] [stdout]   --> src/array/multiple_all_other_element.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn create_postfix_multiple(array: &Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `guess_number` is never used
[INFO] [stdout]  --> src/utils/utils.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn guess_number(error_string: Option<String>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "ee184f8672608999777fadd992c9644a8a54b61b01aef0a5f37cc2ea8e746c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee184f8672608999777fadd992c9644a8a54b61b01aef0a5f37cc2ea8e746c5e", kill_on_drop: false }`
[INFO] [stdout] ee184f8672608999777fadd992c9644a8a54b61b01aef0a5f37cc2ea8e746c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a9079c1e87b2798e79b7fcfc2c7d98214c13e42f804b3254a443eb320e16e5d4
[INFO] running `Command { std: "docker" "start" "-a" "a9079c1e87b2798e79b7fcfc2c7d98214c13e42f804b3254a443eb320e16e5d4", kill_on_drop: false }`
[INFO] [stderr] warning: variable `min_value_seen` is assigned to, but never used
[INFO] [stderr]  --> src/array/find_smallest_windows.rs:6:13
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut min_value_seen = 10000;
[INFO] [stderr]   |             ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider using `_min_value_seen` instead
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `max_value_seen` is never read
[INFO] [stderr]  --> src/array/find_smallest_windows.rs:7:13
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut max_value_seen = -10000;
[INFO] [stderr]   |             ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `rigth_value_index` is never read
[INFO] [stderr]  --> src/array/find_smallest_windows.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut rigth_value_index = 0;
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `left_value_index` is never read
[INFO] [stderr]  --> src/array/find_smallest_windows.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut left_value_index = 0;
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `min_value_seen` is never read
[INFO] [stderr]   --> src/array/find_smallest_windows.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 |     (rigth_value_index, min_value_seen) =
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/array/find_smallest_windows.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let mut base_array = create_random_array(10, 0, 1000);
[INFO] [stderr]   |         ----^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `given_num` is never read
[INFO] [stderr]  --> src/utils/utils.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut given_num: i32 = 0;
[INFO] [stderr]   |             ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: function `main_function` is never used
[INFO] [stderr]  --> src/array/multiple_all_other_element.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn main_function() {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_prefix_multiple` is never used
[INFO] [stderr]   --> src/array/multiple_all_other_element.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn create_prefix_multiple(array: &Vec<i32>) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `create_postfix_multiple` is never used
[INFO] [stderr]   --> src/array/multiple_all_other_element.rs:27:4
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn create_postfix_multiple(array: &Vec<i32>) -> Vec<i32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `guess_number` is never used
[INFO] [stderr]  --> src/utils/utils.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn guess_number(error_string: Option<String>) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_interview_question` (bin "rust_interview_question" test) generated 11 warnings (run `cargo fix --bin "rust_interview_question" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_interview_question-f55b5291a35178ea)
[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" "a9079c1e87b2798e79b7fcfc2c7d98214c13e42f804b3254a443eb320e16e5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9079c1e87b2798e79b7fcfc2c7d98214c13e42f804b3254a443eb320e16e5d4", kill_on_drop: false }`
[INFO] [stdout] a9079c1e87b2798e79b7fcfc2c7d98214c13e42f804b3254a443eb320e16e5d4
