[INFO] cloning repository https://github.com/Vanderkast/leetcode_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Vanderkast/leetcode_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanderkast%2Fleetcode_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanderkast%2Fleetcode_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6f30abf9e97ec92ec1e17d4a078efac0819aef2e [INFO] checking Vanderkast/leetcode_rust against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVanderkast%2Fleetcode_rust" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Vanderkast/leetcode_rust on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Vanderkast/leetcode_rust [INFO] finished tweaking git repo https://github.com/Vanderkast/leetcode_rust [INFO] tweaked toml for git repo https://github.com/Vanderkast/leetcode_rust written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/Vanderkast/leetcode_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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] 763d9c5c44473837fc1ec48cfe1a4e28a7fa188c1886fecc694104f89324a182 [INFO] running `Command { std: "docker" "start" "-a" "763d9c5c44473837fc1ec48cfe1a4e28a7fa188c1886fecc694104f89324a182", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "763d9c5c44473837fc1ec48cfe1a4e28a7fa188c1886fecc694104f89324a182", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "763d9c5c44473837fc1ec48cfe1a4e28a7fa188c1886fecc694104f89324a182", kill_on_drop: false }` [INFO] [stdout] 763d9c5c44473837fc1ec48cfe1a4e28a7fa188c1886fecc694104f89324a182 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 95c6d2438c9e50fbdfe56b55878df7061e195b45e0fbd60875990cf79967353a [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" "95c6d2438c9e50fbdfe56b55878df7061e195b45e0fbd60875990cf79967353a", kill_on_drop: false }` [INFO] [stderr] Checking find_town_judge v0.1.0 (/opt/rustwide/workdir/find_town_judge) [INFO] [stderr] Checking find_star_graph_center v0.1.0 (/opt/rustwide/workdir/find_star_graph_center) [INFO] [stderr] Checking best_time_but_sell v0.1.0 (/opt/rustwide/workdir/best_time_but_sell) [INFO] [stderr] Checking valid_parentheses v0.1.0 (/opt/rustwide/workdir/valid_parentheses) [INFO] [stderr] Checking island_perimeter v0.1.0 (/opt/rustwide/workdir/island_perimeter) [INFO] [stderr] Checking word_search v0.1.0 (/opt/rustwide/workdir/word_search) [INFO] [stderr] Checking longest_str_no_repeat v0.1.0 (/opt/rustwide/workdir/longest_str_no_repeat) [INFO] [stderr] Checking biwise_and_range v0.1.0 (/opt/rustwide/workdir/biwise_and_range) [INFO] [stderr] Checking perfect_squares v0.1.0 (/opt/rustwide/workdir/perfect_squares) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> find_town_judge/src/main.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn find_judge(n: i32, trust: Vec>) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `trust` [INFO] [stdout] --> find_town_judge/src/main.rs:5:31 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn find_judge(n: i32, trust: Vec>) -> i32 { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_trust` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> find_town_judge/src/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 never used: `find_judge` [INFO] [stdout] --> find_town_judge/src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn find_judge(n: i32, trust: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> word_search/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> word_search/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> word_search/src/main.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn exist(board: Vec>, word: String) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word` [INFO] [stdout] --> word_search/src/main.rs:6:41 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn exist(board: Vec>, word: String) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test` [INFO] [stdout] --> island_perimeter/src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let test = vec![ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_test` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `board` [INFO] [stdout] --> word_search/src/main.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn exist(board: Vec>, word: String) -> bool { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_board` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test` [INFO] [stdout] --> island_perimeter/src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let test = vec![ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_test` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word` [INFO] [stdout] --> word_search/src/main.rs:6:41 [INFO] [stdout] | [INFO] [stdout] 6 | pub fn exist(board: Vec>, word: String) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_word` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test` [INFO] [stdout] --> island_perimeter/src/main.rs:55:9 [INFO] [stdout] | [INFO] [stdout] 55 | let test = vec![ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_test` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test` [INFO] [stdout] --> island_perimeter/src/main.rs:63:9 [INFO] [stdout] | [INFO] [stdout] 63 | let test = vec![ [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_test` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> find_town_judge/src/main.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn find_judge(n: i32, trust: Vec>) -> i32 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `trust` [INFO] [stdout] --> find_town_judge/src/main.rs:5:31 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn find_judge(n: i32, trust: Vec>) -> i32 { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_trust` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [INFO] [stdout] --> find_town_judge/src/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 never used: `find_judge` [INFO] [stdout] --> find_town_judge/src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn find_judge(n: i32, trust: Vec>) -> i32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking guessing_game_player v0.1.0 (/opt/rustwide/workdir/guessing_game_player) [INFO] [stdout] warning: method `guessNumber` should have a snake case name [INFO] [stdout] --> guessing_game_player/src/main.rs:12:15 [INFO] [stdout] | [INFO] [stdout] 12 | unsafe fn guessNumber(mut right: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `guess_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `guessNumber` should have a snake case name [INFO] [stdout] --> guessing_game_player/src/main.rs:12:15 [INFO] [stdout] | [INFO] [stdout] 12 | unsafe fn guessNumber(mut right: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `guess_number` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.85s [INFO] running `Command { std: "docker" "inspect" "95c6d2438c9e50fbdfe56b55878df7061e195b45e0fbd60875990cf79967353a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "95c6d2438c9e50fbdfe56b55878df7061e195b45e0fbd60875990cf79967353a", kill_on_drop: false }` [INFO] [stdout] 95c6d2438c9e50fbdfe56b55878df7061e195b45e0fbd60875990cf79967353a