[INFO] cloning repository https://github.com/NaizDis/leetcode_rust_assets [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NaizDis/leetcode_rust_assets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaizDis%2Fleetcode_rust_assets", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaizDis%2Fleetcode_rust_assets'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ab92d35a2d708210ba93c5cc1362d970a0e0ad98 [INFO] checking NaizDis/leetcode_rust_assets against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaizDis%2Fleetcode_rust_assets" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/NaizDis/leetcode_rust_assets [INFO] finished tweaking git repo https://github.com/NaizDis/leetcode_rust_assets [INFO] tweaked toml for git repo https://github.com/NaizDis/leetcode_rust_assets written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/NaizDis/leetcode_rust_assets on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/NaizDis/leetcode_rust_assets 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking NaizDis/leetcode_rust_assets against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNaizDis%2Fleetcode_rust_assets" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/NaizDis/leetcode_rust_assets [INFO] finished tweaking git repo https://github.com/NaizDis/leetcode_rust_assets [INFO] tweaked toml for git repo https://github.com/NaizDis/leetcode_rust_assets written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/NaizDis/leetcode_rust_assets on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/NaizDis/leetcode_rust_assets 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 75c3b827ae371d2c498a39fd3e2a7299de9978f5b77df8c17b89d206455e7e39 [INFO] running `Command { std: "docker" "start" "-a" "75c3b827ae371d2c498a39fd3e2a7299de9978f5b77df8c17b89d206455e7e39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "75c3b827ae371d2c498a39fd3e2a7299de9978f5b77df8c17b89d206455e7e39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75c3b827ae371d2c498a39fd3e2a7299de9978f5b77df8c17b89d206455e7e39", kill_on_drop: false }` [INFO] [stdout] 75c3b827ae371d2c498a39fd3e2a7299de9978f5b77df8c17b89d206455e7e39 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ace304c3bbda3e71b87ea09c74f429d168a6c3cbc109babe507740dd797b1291 [INFO] running `Command { std: "docker" "start" "-a" "ace304c3bbda3e71b87ea09c74f429d168a6c3cbc109babe507740dd797b1291", kill_on_drop: false }` [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::linklist::middle_node` [INFO] [stdout] --> src/lib/binary_search.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::linklist::middle_node; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lib::graphs` [INFO] [stdout] --> src/lib/graphs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::lib::graphs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Output` [INFO] [stdout] --> src/lib/linklist.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::process::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BitOrAssign`, `Deref`, `collections::HashSet`, `str::FromStr`, and `string` [INFO] [stdout] --> src/lib/recursive_backtracking.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | collections::HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 45 | ops::{BitOrAssign, Deref}, [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^ [INFO] [stdout] 46 | str::FromStr, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 47 | string, usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap` and `num` [INFO] [stdout] --> src/lib/sliding_win.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{HashMap, HashSet}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 3 | num, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::num::NonZero` [INFO] [stdout] --> src/lib/trees.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use std::num::NonZero; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::stack` [INFO] [stdout] --> src/lib/trees.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use super::stack; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cmp::Ordering` [INFO] [stdout] --> src/lib/two_pointer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | cmp::Ordering, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `chosen_one_dcode`, `death_note_dcode`, `master_magic_dcode`, `paint_wall_dcode`, and `rnd_file_dcode` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | chosen_one_dcode, death_note_dcode, master_magic_dcode, paint_wall_dcode, rnd_file_dcode, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `combine` [INFO] [stdout] --> src/main.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | use lib::recursive_backtracking::{combine, generate_parenthesis}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::BinaryHeap` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::collections::BinaryHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: found module declaration for lib.rs [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | mod lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: lib.rs is the root of this crate's library target [INFO] [stdout] = help: to refer to it from other targets, use the library's name as the path [INFO] [stdout] = note: `#[warn(special_module_name)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::linklist::middle_node` [INFO] [stdout] --> src/lib/binary_search.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use super::linklist::middle_node; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::lib::graphs` [INFO] [stdout] --> src/lib/graphs.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::lib::graphs; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Output` [INFO] [stdout] --> src/lib/linklist.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::process::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BitOrAssign`, `Deref`, `collections::HashSet`, `str::FromStr`, and `string` [INFO] [stdout] --> src/lib/recursive_backtracking.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | collections::HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 45 | ops::{BitOrAssign, Deref}, [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^ [INFO] [stdout] 46 | str::FromStr, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] 47 | string, usize, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap` and `num` [INFO] [stdout] --> src/lib/sliding_win.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{HashMap, HashSet}, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 3 | num, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::num::NonZero` [INFO] [stdout] --> src/lib/trees.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | use std::num::NonZero; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::stack` [INFO] [stdout] --> src/lib/trees.rs:25:5 [INFO] [stdout] | [INFO] [stdout] 25 | use super::stack; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `cmp::Ordering` [INFO] [stdout] --> src/lib/two_pointer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | cmp::Ordering, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `chosen_one_dcode`, `death_note_dcode`, `master_magic_dcode`, `paint_wall_dcode`, and `rnd_file_dcode` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | chosen_one_dcode, death_note_dcode, master_magic_dcode, paint_wall_dcode, rnd_file_dcode, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `combine` [INFO] [stdout] --> src/main.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | use lib::recursive_backtracking::{combine, generate_parenthesis}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::BinaryHeap` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::collections::BinaryHeap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/recursive_backtracking.rs:183:31 [INFO] [stdout] | [INFO] [stdout] 183 | return board[0][0] == word; [INFO] [stdout] | ----------- ^^^^ expected `char`, found `String` [INFO] [stdout] | | [INFO] [stdout] | expected because this is `char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib/recursive_backtracking.rs:183:31 [INFO] [stdout] | [INFO] [stdout] 183 | return board[0][0] == word; [INFO] [stdout] | ----------- ^^^^ expected `char`, found `String` [INFO] [stdout] | | [INFO] [stdout] | expected because this is `char` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::RangeBounds` [INFO] [stdout] --> src/lib/two_pointer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | ops::RangeBounds, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::RangeBounds` [INFO] [stdout] --> src/lib/two_pointer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | ops::RangeBounds, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/lib/array_strings.rs:267:27 [INFO] [stdout] | [INFO] [stdout] 267 | pub fn master_magic_dcode(n: i32, x: i32, y: i32, diff: Vec) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `m` is never read [INFO] [stdout] --> src/lib/binary_search.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | let mut m = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 82 | m = (r + l) / 2; [INFO] [stdout] | --------------- `m` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/binary_search.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | let mut start: i32; [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 does not need to be mutable [INFO] [stdout] --> src/lib/binary_search.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | let mut end: i32; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `m` is never read [INFO] [stdout] --> src/lib/binary_search.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | let mut m = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 98 | m = (r + l) / 2; [INFO] [stdout] | --------------- `m` is overwritten here before the previous value is read [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `m` is never read [INFO] [stdout] --> src/lib/binary_search.rs:163:17 [INFO] [stdout] | [INFO] [stdout] 163 | let mut m = -1; [INFO] [stdout] | ^^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 166 | m = (l + h) / 2; [INFO] [stdout] | --------------- `m` is overwritten here before the previous value is read [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/lib/graphs.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn valid_path(n: i32, edges: Vec>, source: i32, destination: i32) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/lib/array_strings.rs:267:27 [INFO] [stdout] | [INFO] [stdout] 267 | pub fn master_magic_dcode(n: i32, x: i32, y: i32, diff: Vec) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `m` is never read [INFO] [stdout] --> src/lib/binary_search.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | let mut m = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 82 | m = (r + l) / 2; [INFO] [stdout] | --------------- `m` is overwritten here before the previous value is read [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/binary_search.rs:107:9 [INFO] [stdout] | [INFO] [stdout] 107 | let mut start: i32; [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 does not need to be mutable [INFO] [stdout] --> src/lib/binary_search.rs:108:9 [INFO] [stdout] | [INFO] [stdout] 108 | let mut end: i32; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `m` is never read [INFO] [stdout] --> src/lib/binary_search.rs:94:17 [INFO] [stdout] | [INFO] [stdout] 94 | let mut m = 0; [INFO] [stdout] | ^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 98 | m = (r + l) / 2; [INFO] [stdout] | --------------- `m` is overwritten here before the previous value is read [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `m` is never read [INFO] [stdout] --> src/lib/binary_search.rs:163:17 [INFO] [stdout] | [INFO] [stdout] 163 | let mut m = -1; [INFO] [stdout] | ^^ this value is reassigned later and never used [INFO] [stdout] ... [INFO] [stdout] 166 | m = (l + h) / 2; [INFO] [stdout] | --------------- `m` is overwritten here before the previous value is read [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/hashmap.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let mut res: Vec = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/lib/hashmap.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let mut res: Vec = vec![]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/lib/graphs.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn valid_path(n: i32, edges: Vec>, source: i32, destination: i32) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `choice` [INFO] [stdout] --> src/lib/recursive_backtracking.rs:156:9 [INFO] [stdout] | [INFO] [stdout] 156 | let choice = vec!['(', ')']; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_choice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/hashmap.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let mut res: Vec = vec![]; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/lib/hashmap.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let mut res: Vec = vec![]; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `choice` [INFO] [stdout] --> src/lib/recursive_backtracking.rs:156:9 [INFO] [stdout] | [INFO] [stdout] 156 | let choice = vec!['(', ')']; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_choice` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/two_pointer.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn sorted_squares(mut nums: Vec) -> Vec { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/two_pointer.rs:91:17 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn max_area(mut height: Vec) -> i32 { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/two_pointer.rs:7:23 [INFO] [stdout] | [INFO] [stdout] 7 | pub fn sorted_squares(mut nums: Vec) -> Vec { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode` (bin "leetcode") due to 1 previous error; 25 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib/two_pointer.rs:91:17 [INFO] [stdout] | [INFO] [stdout] 91 | pub fn max_area(mut height: Vec) -> i32 { [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode` (bin "leetcode" test) due to 1 previous error; 25 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ace304c3bbda3e71b87ea09c74f429d168a6c3cbc109babe507740dd797b1291", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ace304c3bbda3e71b87ea09c74f429d168a6c3cbc109babe507740dd797b1291", kill_on_drop: false }` [INFO] [stdout] ace304c3bbda3e71b87ea09c74f429d168a6c3cbc109babe507740dd797b1291