[INFO] cloning repository https://github.com/dayang/leetcode-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dayang/leetcode-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdayang%2Fleetcode-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdayang%2Fleetcode-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3871a38d4f6951664c216e4c43bcaec88938fc41 [INFO] checking dayang/leetcode-rs against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdayang%2Fleetcode-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dayang/leetcode-rs on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dayang/leetcode-rs [INFO] finished tweaking git repo https://github.com/dayang/leetcode-rs [INFO] tweaked toml for git repo https://github.com/dayang/leetcode-rs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/dayang/leetcode-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ed74d4613fb4328300542a8747bd880cfb1776ebef48c6eb64136a9126dd943c [INFO] running `Command { std: "docker" "start" "-a" "ed74d4613fb4328300542a8747bd880cfb1776ebef48c6eb64136a9126dd943c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ed74d4613fb4328300542a8747bd880cfb1776ebef48c6eb64136a9126dd943c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed74d4613fb4328300542a8747bd880cfb1776ebef48c6eb64136a9126dd943c", kill_on_drop: false }` [INFO] [stdout] ed74d4613fb4328300542a8747bd880cfb1776ebef48c6eb64136a9126dd943c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b5360df80b8929c6bf81526a9c5a1ed89f85236d5be1f802bba0589b197a8bd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1b5360df80b8929c6bf81526a9c5a1ed89f85236d5be1f802bba0589b197a8bd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking how-many-numbers-are-smaller-than-the-current-number v0.1.0 (/opt/rustwide/workdir/how-many-numbers-are-smaller-than-the-current-number) [INFO] [stderr] Checking binary-tree-inorder-traversal v0.1.0 (/opt/rustwide/workdir/binary-tree-inorder-traversal) [INFO] [stderr] Checking increasing-subsequences v0.1.0 (/opt/rustwide/workdir/increasing-subsequences) [INFO] [stderr] Checking same-tree v0.1.0 (/opt/rustwide/workdir/same-tree) [INFO] [stderr] Checking rotate-matrix-lcci v0.1.0 (/opt/rustwide/workdir/rotate-matrix-lcci) [INFO] [stderr] Checking minimum-falling-path-sum v0.1.0 (/opt/rustwide/workdir/minimum-falling-path-sum) [INFO] [stderr] Checking add-two-numbers v0.1.0 (/opt/rustwide/workdir/add-two-numbers) [INFO] [stderr] Checking unique-binary-search-trees-ii v0.1.0 (/opt/rustwide/workdir/unique-binary-search-trees-ii) [INFO] [stderr] Checking valid-number v0.1.0 (/opt/rustwide/workdir/valid-number) [INFO] [stderr] Checking stone-game v0.1.0 (/opt/rustwide/workdir/stone-game) [INFO] [stderr] Checking online-stock-span v0.1.0 (/opt/rustwide/workdir/online-stock-span) [INFO] [stderr] Checking generate-parentheses v0.1.0 (/opt/rustwide/workdir/generate-parentheses) [INFO] [stderr] Checking count-negative-numbers-in-a-sorted-matrix v0.1.0 (/opt/rustwide/workdir/count-negative-numbers-in-a-sorted-matrix) [INFO] [stdout] warning: variable `L` should have a snake case name [INFO] [stdout] --> count-negative-numbers-in-a-sorted-matrix/src/main.rs:54:38 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn solve(l: usize, r: usize, L: usize, R: usize, grid: &Vec>) -> i32 { [INFO] [stdout] | ^ help: convert the identifier to snake case: `l` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `R` should have a snake case name [INFO] [stdout] --> count-negative-numbers-in-a-sorted-matrix/src/main.rs:54:48 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn solve(l: usize, r: usize, L: usize, R: usize, grid: &Vec>) -> i32 { [INFO] [stdout] | ^ help: convert the identifier to snake case: `r` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking edit-distance v0.1.0 (/opt/rustwide/workdir/edit-distance) [INFO] [stderr] Checking trapping-rain-water v0.1.0 (/opt/rustwide/workdir/trapping-rain-water) [INFO] [stderr] Checking count-square-submatrices-with-all-ones v0.1.0 (/opt/rustwide/workdir/count-square-submatrices-with-all-ones) [INFO] [stderr] Checking longest-common-subsequence v0.1.0 (/opt/rustwide/workdir/longest-common-subsequence) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking uncrossed-lines v0.1.0 (/opt/rustwide/workdir/uncrossed-lines) [INFO] [stderr] Checking recover-binary-search-tree v0.1.0 (/opt/rustwide/workdir/recover-binary-search-tree) [INFO] [stderr] Checking ji-qi-ren-de-yun-dong-fan-wei-lcof v0.1.0 (/opt/rustwide/workdir/ji-qi-ren-de-yun-dong-fan-wei-lcof) [INFO] [stderr] Checking utf-8-validation v0.1.0 (/opt/rustwide/workdir/utf-8-validation) [INFO] [stderr] Checking best-time-to-buy-and-sell-stock-with-transaction-fee v0.1.0 (/opt/rustwide/workdir/best-time-to-buy-and-sell-stock-with-transaction-fee) [INFO] [stderr] Checking counting-bits v0.1.0 (/opt/rustwide/workdir/counting-bits) [INFO] [stderr] Checking construct-binary-tree-from-preorder-and-inorder-traversal v0.1.0 (/opt/rustwide/workdir/construct-binary-tree-from-preorder-and-inorder-traversal) [INFO] [stderr] Checking find-pivot-index v0.1.0 (/opt/rustwide/workdir/find-pivot-index) [INFO] [stderr] Checking best-time-to-buy-and-sell-stock-with-cooldown v0.1.0 (/opt/rustwide/workdir/best-time-to-buy-and-sell-stock-with-cooldown) [INFO] [stderr] Checking best-time-to-buy-and-sell-stock-iii v0.1.0 (/opt/rustwide/workdir/best-time-to-buy-and-sell-stock-iii) [INFO] [stderr] Checking replace-words v0.1.0 (/opt/rustwide/workdir/replace-words) [INFO] [stderr] Checking house-robber-ii v0.1.0 (/opt/rustwide/workdir/house-robber-ii) [INFO] [stderr] Checking validate-binary-search-tree v0.1.0 (/opt/rustwide/workdir/validate-binary-search-tree) [INFO] [stderr] Checking is-subsequence v0.1.0 (/opt/rustwide/workdir/is-subsequence) [INFO] [stderr] Checking longest-word-in-dictionary v0.1.0 (/opt/rustwide/workdir/longest-word-in-dictionary) [INFO] [stderr] Checking game-of-life v0.1.0 (/opt/rustwide/workdir/game-of-life) [INFO] [stderr] Checking add-digits v0.1.0 (/opt/rustwide/workdir/add-digits) [INFO] [stderr] Checking reverse-words-in-a-string v0.1.0 (/opt/rustwide/workdir/reverse-words-in-a-string) [INFO] [stderr] Checking best-time-to-buy-and-sell-stock-iv v0.1.0 (/opt/rustwide/workdir/best-time-to-buy-and-sell-stock-iv) [INFO] [stderr] Checking best-time-to-buy-and-sell-stock v0.1.0 (/opt/rustwide/workdir/best-time-to-buy-and-sell-stock) [INFO] [stderr] Checking triangle v0.1.0 (/opt/rustwide/workdir/triangle) [INFO] [stderr] Checking minimum-ascii-delete-sum-for-two-strings v0.1.0 (/opt/rustwide/workdir/minimum-ascii-delete-sum-for-two-strings) [INFO] [stderr] Checking house-robber v0.1.0 (/opt/rustwide/workdir/house-robber) [INFO] [stderr] Checking minimum-cost-tree-from-leaf-values v0.1.0 (/opt/rustwide/workdir/minimum-cost-tree-from-leaf-values) [INFO] [stderr] Checking delete-operation-for-two-strings v0.1.0 (/opt/rustwide/workdir/delete-operation-for-two-strings) [INFO] [stderr] Checking reverse-nodes-in-k-group v0.1.0 (/opt/rustwide/workdir/reverse-nodes-in-k-group) [INFO] [stderr] Checking longest-substring-without-repeating-characters v0.1.0 (/opt/rustwide/workdir/longest-substring-without-repeating-characters) [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> minimum-cost-tree-from-leaf-values/src/main.rs:34:33 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn mct_from_leaf_values(arr: Vec) -> i32 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking binary-search-tree-iterator v0.1.0 (/opt/rustwide/workdir/binary-search-tree-iterator) [INFO] [stderr] Checking min-cost-climbing-stairs v0.1.0 (/opt/rustwide/workdir/min-cost-climbing-stairs) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking maximum-subarray v0.1.0 (/opt/rustwide/workdir/maximum-subarray) [INFO] [stderr] Checking longest-valid-parentheses v0.1.0 (/opt/rustwide/workdir/longest-valid-parentheses) [INFO] [stderr] Checking airplane-seat-assignment-probability v0.1.0 (/opt/rustwide/workdir/airplane-seat-assignment-probability) [INFO] [stdout] warning: unused variable: `head` [INFO] [stdout] --> reverse-nodes-in-k-group/src/main.rs:95:28 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn reverse_k_group(head: Option>, k: i32) -> Option> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_head` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> reverse-nodes-in-k-group/src/main.rs:95:57 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn reverse_k_group(head: Option>, k: i32) -> Option> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> reverse-nodes-in-k-group/src/main.rs:84:6 [INFO] [stdout] | [INFO] [stdout] 84 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking unique-binary-search-trees v0.1.0 (/opt/rustwide/workdir/unique-binary-search-trees) [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking valid-anagram v0.1.0 (/opt/rustwide/workdir/valid-anagram) [INFO] [stderr] Checking two-sum v0.1.0 (/opt/rustwide/workdir/two-sum) [INFO] [stderr] Checking largest-rectangle-in-histogram v0.1.0 (/opt/rustwide/workdir/largest-rectangle-in-histogram) [INFO] [stderr] Checking next-greater-element-ii v0.1.0 (/opt/rustwide/workdir/next-greater-element-ii) [INFO] [stdout] warning: unused variable: `arr` [INFO] [stdout] --> minimum-cost-tree-from-leaf-values/src/main.rs:34:33 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn mct_from_leaf_values(arr: Vec) -> i32 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_arr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `L` should have a snake case name [INFO] [stdout] --> count-negative-numbers-in-a-sorted-matrix/src/main.rs:54:38 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn solve(l: usize, r: usize, L: usize, R: usize, grid: &Vec>) -> i32 { [INFO] [stdout] | ^ help: convert the identifier to snake case: `l` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `R` should have a snake case name [INFO] [stdout] --> count-negative-numbers-in-a-sorted-matrix/src/main.rs:54:48 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn solve(l: usize, r: usize, L: usize, R: usize, grid: &Vec>) -> i32 { [INFO] [stdout] | ^ help: convert the identifier to snake case: `r` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking non-decreasing-array v0.1.0 (/opt/rustwide/workdir/non-decreasing-array) [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking baseball-game v0.1.0 (/opt/rustwide/workdir/baseball-game) [INFO] [stderr] Checking string-to-integer-atoi v0.1.0 (/opt/rustwide/workdir/string-to-integer-atoi) [INFO] [stderr] Checking next-greater-element-i v0.1.0 (/opt/rustwide/workdir/next-greater-element-i) [INFO] [stderr] Checking longest-increasing-subsequence v0.1.0 (/opt/rustwide/workdir/longest-increasing-subsequence) [INFO] [stderr] Checking reverse-integer v0.1.0 (/opt/rustwide/workdir/reverse-integer) [INFO] [stderr] Checking divisor-game v0.1.0 (/opt/rustwide/workdir/divisor-game) [INFO] [stderr] Checking daily-temperatures v0.1.0 (/opt/rustwide/workdir/daily-temperatures) [INFO] [stderr] Checking matrix-block-sum v0.1.0 (/opt/rustwide/workdir/matrix-block-sum) [INFO] [stderr] Checking palindromic-substrings v0.1.0 (/opt/rustwide/workdir/palindromic-substrings) [INFO] [stderr] Checking symmetric-tree v0.1.0 (/opt/rustwide/workdir/symmetric-tree) [INFO] [stderr] Checking best-time-to-buy-and-sell-stock-ii v0.1.0 (/opt/rustwide/workdir/best-time-to-buy-and-sell-stock-ii) [INFO] [stdout] warning: unused variable: `head` [INFO] [stdout] --> reverse-nodes-in-k-group/src/main.rs:95:28 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn reverse_k_group(head: Option>, k: i32) -> Option> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_head` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `k` [INFO] [stdout] --> reverse-nodes-in-k-group/src/main.rs:95:57 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn reverse_k_group(head: Option>, k: i32) -> Option> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_k` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> reverse-nodes-in-k-group/src/main.rs:84:6 [INFO] [stdout] | [INFO] [stdout] 84 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof v0.1.0 (/opt/rustwide/workdir/lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof) [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> palindromic-substrings/src/main.rs:27:29 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn count_substrings(s: String) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof/src/main.rs:22:6 [INFO] [stdout] | [INFO] [stdout] 22 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> lian-biao-zhong-dao-shu-di-kge-jie-dian-lcof/src/main.rs:22:6 [INFO] [stdout] | [INFO] [stdout] 22 | fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> palindromic-substrings/src/main.rs:27:29 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn count_substrings(s: String) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking sort-an-array v0.1.0 (/opt/rustwide/workdir/sort-an-array) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> sort-an-array/src/main.rs:85:34 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn sort_array_shell_sort(mut nums: Vec) -> Vec { [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: associated function is never used: `insert_group` [INFO] [stdout] --> sort-an-array/src/main.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | fn insert_group() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> sort-an-array/src/main.rs:85:34 [INFO] [stdout] | [INFO] [stdout] 85 | pub fn sort_array_shell_sort(mut nums: Vec) -> Vec { [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: associated function is never used: `insert_group` [INFO] [stdout] --> sort-an-array/src/main.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | fn insert_group() { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 35.40s [INFO] running `Command { std: "docker" "inspect" "1b5360df80b8929c6bf81526a9c5a1ed89f85236d5be1f802bba0589b197a8bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b5360df80b8929c6bf81526a9c5a1ed89f85236d5be1f802bba0589b197a8bd", kill_on_drop: false }` [INFO] [stdout] 1b5360df80b8929c6bf81526a9c5a1ed89f85236d5be1f802bba0589b197a8bd