[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] checking Acher1234/Rust-Interview-Questions against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcher1234%2FRust-Interview-Questions" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Acher1234/Rust-Interview-Questions on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.144
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19b7b6626c922fccc7210f6ce00ea7eeaf2acff416f8de775899e005f1f914b2
[INFO] running `Command { std: "docker" "start" "-a" "19b7b6626c922fccc7210f6ce00ea7eeaf2acff416f8de775899e005f1f914b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19b7b6626c922fccc7210f6ce00ea7eeaf2acff416f8de775899e005f1f914b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19b7b6626c922fccc7210f6ce00ea7eeaf2acff416f8de775899e005f1f914b2", kill_on_drop: false }`
[INFO] [stdout] 19b7b6626c922fccc7210f6ce00ea7eeaf2acff416f8de775899e005f1f914b2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ef6f1141b1d82912625611eff684d1517eaed306957d9eb04dac1449804f0e
[INFO] running `Command { std: "docker" "start" "-a" "a2ef6f1141b1d82912625611eff684d1517eaed306957d9eb04dac1449804f0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking getrandom v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rust_interview_question v0.1.0 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_value_seen` is assigned to, but never used
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:6:9
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) on by default
[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]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `min_value_seen` is assigned to, but never used
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:6:9
[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)]` (part of `#[warn(unused)]`) 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:7:30
[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] 
[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]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) 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:8:33
[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:9:32
[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 `max_value_seen` is never read
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:7:30
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `rigth_value_index` is never read
[INFO] [stdout]  --> src/array/find_smallest_windows.rs:8:33
[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:9:32
[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 `given_num` is never read
[INFO] [stdout]  --> src/utils/utils.rs:5:30
[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: value assigned to `given_num` is never read
[INFO] [stdout]  --> src/utils/utils.rs:5:30
[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)]` (part of `#[warn(unused)]`) on by default
[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)]` (part of `#[warn(unused)]`) 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] [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 1.73s
[INFO] running `Command { std: "docker" "inspect" "a2ef6f1141b1d82912625611eff684d1517eaed306957d9eb04dac1449804f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ef6f1141b1d82912625611eff684d1517eaed306957d9eb04dac1449804f0e", kill_on_drop: false }`
[INFO] [stdout] a2ef6f1141b1d82912625611eff684d1517eaed306957d9eb04dac1449804f0e
