[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] building Acher1234/Rust-Interview-Questions against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAcher1234%2FRust-Interview-Questions" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Acher1234/Rust-Interview-Questions on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-2-tc1/source/Cargo.toml [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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7421b8d5b754c8298ae6fa212b460488b4a3aa9cd8895a59db7c600b5f0cb619 [INFO] running `Command { std: "docker" "start" "-a" "7421b8d5b754c8298ae6fa212b460488b4a3aa9cd8895a59db7c600b5f0cb619", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7421b8d5b754c8298ae6fa212b460488b4a3aa9cd8895a59db7c600b5f0cb619", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7421b8d5b754c8298ae6fa212b460488b4a3aa9cd8895a59db7c600b5f0cb619", kill_on_drop: false }` [INFO] [stdout] 7421b8d5b754c8298ae6fa212b460488b4a3aa9cd8895a59db7c600b5f0cb619 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a04f2013e984f715f4d6d2cc7ef9e84f5ec30050f19cb009299762ac36e6a1c9 [INFO] running `Command { std: "docker" "start" "-a" "a04f2013e984f715f4d6d2cc7ef9e84f5ec30050f19cb009299762ac36e6a1c9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.144 [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) -> Vec { [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) -> Vec { [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) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s [INFO] running `Command { std: "docker" "inspect" "a04f2013e984f715f4d6d2cc7ef9e84f5ec30050f19cb009299762ac36e6a1c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a04f2013e984f715f4d6d2cc7ef9e84f5ec30050f19cb009299762ac36e6a1c9", kill_on_drop: false }` [INFO] [stdout] a04f2013e984f715f4d6d2cc7ef9e84f5ec30050f19cb009299762ac36e6a1c9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c36da9dcf3694989edf66cec1f3e113c340db9f2bc70cfa45582c709ef1bae0 [INFO] running `Command { std: "docker" "start" "-a" "3c36da9dcf3694989edf66cec1f3e113c340db9f2bc70cfa45582c709ef1bae0", 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) -> Vec { [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) -> Vec { [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) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "3c36da9dcf3694989edf66cec1f3e113c340db9f2bc70cfa45582c709ef1bae0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c36da9dcf3694989edf66cec1f3e113c340db9f2bc70cfa45582c709ef1bae0", kill_on_drop: false }` [INFO] [stdout] 3c36da9dcf3694989edf66cec1f3e113c340db9f2bc70cfa45582c709ef1bae0