[INFO] cloning repository https://github.com/BHznJNs/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/BHznJNs/leetcode-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBHznJNs%2Fleetcode-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBHznJNs%2Fleetcode-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8bdd098f7c046eab8ae45f5532696d004283fcaf [INFO] building BHznJNs/leetcode-rs 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%2FBHznJNs%2Fleetcode-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BHznJNs/leetcode-rs 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/BHznJNs/leetcode-rs [INFO] finished tweaking git repo https://github.com/BHznJNs/leetcode-rs [INFO] tweaked toml for git repo https://github.com/BHznJNs/leetcode-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/BHznJNs/leetcode-rs 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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cb395084227bdce21da0ca70f761ed191dc9006bac32d2058674c4077bce12d3 [INFO] running `Command { std: "docker" "start" "-a" "cb395084227bdce21da0ca70f761ed191dc9006bac32d2058674c4077bce12d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb395084227bdce21da0ca70f761ed191dc9006bac32d2058674c4077bce12d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb395084227bdce21da0ca70f761ed191dc9006bac32d2058674c4077bce12d3", kill_on_drop: false }` [INFO] [stdout] cb395084227bdce21da0ca70f761ed191dc9006bac32d2058674c4077bce12d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] be2f73091aadb5a428b3f6f88b47a48b111b2c357b4cdd412fa8ddb5d97dec33 [INFO] running `Command { std: "docker" "start" "-a" "be2f73091aadb5a428b3f6f88b47a48b111b2c357b4cdd412fa8ddb5d97dec33", kill_on_drop: false }` [INFO] [stderr] Compiling LeetCode v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `temp` [INFO] [stdout] --> src/main.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let temp = String::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_temp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "be2f73091aadb5a428b3f6f88b47a48b111b2c357b4cdd412fa8ddb5d97dec33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be2f73091aadb5a428b3f6f88b47a48b111b2c357b4cdd412fa8ddb5d97dec33", kill_on_drop: false }` [INFO] [stdout] be2f73091aadb5a428b3f6f88b47a48b111b2c357b4cdd412fa8ddb5d97dec33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 00ab7d1998f3e9bb63129d4f3deedee7a83a7e3b1e1efe940eb63260bea520b5 [INFO] running `Command { std: "docker" "start" "-a" "00ab7d1998f3e9bb63129d4f3deedee7a83a7e3b1e1efe940eb63260bea520b5", kill_on_drop: false }` [INFO] [stderr] Compiling LeetCode v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `temp` [INFO] [stdout] --> src/main.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let temp = String::new(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_temp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/maximal-rectangle/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut xl = 0; [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: variable does not need to be mutable [INFO] [stdout] --> examples/maximal-rectangle/main.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | let mut yl = 0; [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] --> examples/maximal-rectangle/main.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | let mut xr = matrix[0].len() - 1; [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] --> examples/maximal-rectangle/main.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | let mut yr = matrix.len() - 1; [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> examples/maximal-rectangle/main.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `maximal_rectangle` is never used [INFO] [stdout] --> examples/maximal-rectangle/main.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 3 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 4 | pub fn maximal_rectangle(matrix: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> examples/add-two-numbers/main.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 8 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | #[inline] [INFO] [stdout] 10 | 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: struct `Solution` is never constructed [INFO] [stdout] --> examples/add-two-numbers/main.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `add_two_numbers` is never used [INFO] [stdout] --> examples/add-two-numbers/main.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 20 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `top` is never used [INFO] [stdout] --> examples/evaluate-reverse-polish-notation/main.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl Stack { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 16 | pub fn top(&self) -> Option<&T> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> examples/find-if-path-exists-in-graph/dsu.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `valid_path` is never used [INFO] [stdout] --> examples/find-if-path-exists-in-graph/dsu.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 2 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 3 | pub fn valid_path(n: i32, edges: Vec>, source: i32, destination: i32) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `N` is never used [INFO] [stdout] --> examples/house-building/main.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | static N: u128 = 2; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `remover` is never used [INFO] [stdout] --> examples/binary-watch/main.rs:1:4 [INFO] [stdout] | [INFO] [stdout] 1 | fn remover(list: &Vec, remove: i32) -> Vec> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_leading_zero` is never used [INFO] [stdout] --> examples/binary-watch/main.rs:25:4 [INFO] [stdout] | [INFO] [stdout] 25 | fn add_leading_zero(val: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_value` is never used [INFO] [stdout] --> examples/binary-watch/main.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn get_value(bits: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> examples/binary-watch/main.rs:41:8 [INFO] [stdout] | [INFO] [stdout] 41 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `read_binary_watch` is never used [INFO] [stdout] --> examples/binary-watch/main.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 42 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 43 | pub fn read_binary_watch(turned_on: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `min` is never used [INFO] [stdout] --> examples/largest-rectangle-in-histogram/main.rs:28:4 [INFO] [stdout] | [INFO] [stdout] 28 | fn min(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_valid_parentheses` is never used [INFO] [stdout] --> examples/longest-valid-parentheses/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | fn is_valid_parentheses(s: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> examples/swap-nodes-in-pairs/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 8 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | #[inline] [INFO] [stdout] 10 | 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: struct `Solution` is never constructed [INFO] [stdout] --> examples/swap-nodes-in-pairs/main.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `line` [INFO] [stdout] --> examples/luogu_b3789/main.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | fn parse_if(line: String, lines: &mut VecDeque) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_line` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lines` [INFO] [stdout] --> examples/luogu_b3789/main.rs:27:27 [INFO] [stdout] | [INFO] [stdout] 27 | fn parse_if(line: String, lines: &mut VecDeque) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_lines` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Compare` is never used [INFO] [stdout] --> examples/luogu_b3789/main.rs:3:6 [INFO] [stdout] | [INFO] [stdout] 3 | enum Compare { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Condition` is never constructed [INFO] [stdout] --> examples/luogu_b3789/main.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | struct Condition { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Tree` is never constructed [INFO] [stdout] --> examples/luogu_b3789/main.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | struct Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Root` is never constructed [INFO] [stdout] --> examples/luogu_b3789/main.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | struct Root { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> examples/contains-duplicate/main.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `contains_duplicate` is never used [INFO] [stdout] --> examples/contains-duplicate/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 4 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 5 | pub fn contains_duplicate(nums: Vec) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> examples/valid-anagram/main.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `is_anagram` is never used [INFO] [stdout] --> examples/valid-anagram/main.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 2 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 3 | pub fn is_anagram(s: String, t: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "00ab7d1998f3e9bb63129d4f3deedee7a83a7e3b1e1efe940eb63260bea520b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00ab7d1998f3e9bb63129d4f3deedee7a83a7e3b1e1efe940eb63260bea520b5", kill_on_drop: false }` [INFO] [stdout] 00ab7d1998f3e9bb63129d4f3deedee7a83a7e3b1e1efe940eb63260bea520b5