[INFO] cloning repository https://github.com/tbqjxmz/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/tbqjxmz/leetcode-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbqjxmz%2Fleetcode-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbqjxmz%2Fleetcode-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9db1f07181f691ade76ec9201c197d972b89a400
[INFO] testing tbqjxmz/leetcode-rs against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftbqjxmz%2Fleetcode-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tbqjxmz/leetcode-rs
[INFO] finished tweaking git repo https://github.com/tbqjxmz/leetcode-rs
[INFO] tweaked toml for git repo https://github.com/tbqjxmz/leetcode-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tbqjxmz/leetcode-rs on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tbqjxmz/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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 204c6c027bf6ffadccd0030723ece13686f97894317572da5c597edeb1b28e86
[INFO] running `Command { std: "docker" "start" "-a" "204c6c027bf6ffadccd0030723ece13686f97894317572da5c597edeb1b28e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "204c6c027bf6ffadccd0030723ece13686f97894317572da5c597edeb1b28e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "204c6c027bf6ffadccd0030723ece13686f97894317572da5c597edeb1b28e86", kill_on_drop: false }`
[INFO] [stdout] 204c6c027bf6ffadccd0030723ece13686f97894317572da5c597edeb1b28e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 223a66e58337e922e5ba6f70246633dd6d82432e534310eb031e0040d59d01ed
[INFO] running `Command { std: "docker" "start" "-a" "223a66e58337e922e5ba6f70246633dd6d82432e534310eb031e0040d59d01ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/7reverse-integer.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse` is never used
[INFO] [stdout]   --> src/bin/7reverse-integer.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 58 |     pub fn reverse(x: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/35搜索插入位置.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `search_insert` is never used
[INFO] [stdout]   --> src/bin/35搜索插入位置.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 61 |     pub fn search_insert(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/6zigzag-conversion.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `convert` is never used
[INFO] [stdout]   --> src/bin/6zigzag-conversion.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 93 |     pub fn convert(s: String, num_rows: i32) -> String {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/28找出字符串中第一个匹配项的下标.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `str_str` is never used
[INFO] [stdout]   --> src/bin/28找出字符串中第一个匹配项的下标.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 54 |     pub fn str_str(haystack: String, needle: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/70爬楼梯.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `climb_stairs` is never used
[INFO] [stdout]   --> src/bin/70爬楼梯.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 57 |     pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/69x-的平方根.rs:50:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `my_sqrt` is never used
[INFO] [stdout]   --> src/bin/69x-的平方根.rs:54:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 54 |     pub fn my_sqrt(x: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/3无重复字符的最长子串.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_longest_substring` is never used
[INFO] [stdout]   --> src/bin/3无重复字符的最长子串.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 60 |     pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/5最长回文子串.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `longest_palindrome`, `longest_palindrome2`, and `longest_palindrome3` are never used
[INFO] [stdout]    --> src/bin/5最长回文子串.rs:50:12
[INFO] [stdout]     |
[INFO] [stdout]  49 | impl Solution {
[INFO] [stdout]     | ------------- associated functions in this implementation
[INFO] [stdout]  50 |     pub fn longest_palindrome(s: String) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  91 |     pub fn longest_palindrome2(s: String) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn longest_palindrome3(s: String) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/58最后一个单词的长度.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_last_word` is never used
[INFO] [stdout]   --> src/bin/58最后一个单词的长度.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 63 |     pub fn length_of_last_word(s: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/27移除元素.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_element` is never used
[INFO] [stdout]   --> src/bin/27移除元素.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 83 |     pub fn remove_element(nums: &mut Vec<i32>, val: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/9回文数.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_palindrome` is never used
[INFO] [stdout]   --> src/bin/9回文数.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 68 |     pub fn is_palindrome(x: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/20有效的括号.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_valid` is never used
[INFO] [stdout]   --> src/bin/20有效的括号.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 76 |     pub fn is_valid(s: String) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/26删除有序数组中的重复项.rs:76:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_duplicates` is never used
[INFO] [stdout]   --> src/bin/26删除有序数组中的重复项.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 80 |     pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/2两数相加.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/2两数相加.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 68 |     #[inline]
[INFO] [stdout] 69 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_two_numbers` is never used
[INFO] [stdout]   --> src/bin/2两数相加.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 92 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 93 |     pub fn add_two_numbers(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/21合并两个有序链表.rs:92:13
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut cur = &mut head;
[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: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/21合并两个有序链表.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/21合并两个有序链表.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 63 |     #[inline]
[INFO] [stdout] 64 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `merge_two_lists` is never used
[INFO] [stdout]   --> src/bin/21合并两个有序链表.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 86 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 87 |     pub fn merge_two_lists(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/45jump-game-ii.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `jump` is never used
[INFO] [stdout]   --> src/bin/45jump-game-ii.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 62 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 63 |     pub fn jump(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/1两数之和.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `two_sum` is never used
[INFO] [stdout]   --> src/bin/1两数之和.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/14最长公共前缀.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `longest_common_prefix` is never used
[INFO] [stdout]   --> src/bin/14最长公共前缀.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 53 |     pub fn longest_common_prefix(strs: Vec<String>) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/121best-time-to-buy-and-sell-stock.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_profit` is never used
[INFO] [stdout]   --> src/bin/121best-time-to-buy-and-sell-stock.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 59 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 60 |     pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/13罗马数字转整数.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `roman_to_int` is never used
[INFO] [stdout]   --> src/bin/13罗马数字转整数.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 96 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 97 |     pub fn roman_to_int(s: String) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::swap`
[INFO] [stdout]  --> src/bin/4寻找两个正序数组的中位数.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem::swap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/4寻找两个正序数组的中位数.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_median_sorted_arrays` is never used
[INFO] [stdout]   --> src/bin/4寻找两个正序数组的中位数.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 61 |     pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/3190使所有元素都可以被-3-整除的最少操作数.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (364) panicked at compiler/rustc_session/src/config.rs:1211:17:
[INFO] [stderr] byte index 39 is not a char boundary; it is inside '除' (bytes 37..40) of `3190使所有元素都可以被_3_整除的最少操作数-707eb22ba3cd4325.3190使所有元素都可以被_3_整除的最少操作数.9f321fa9679fa9cb-cgu.0.rcgu.dwo`
[INFO] [stderr] stack backtrace:
[INFO] [stdout] warning: associated function `minimum_operations` is never used
[INFO] [stdout]   --> src/bin/3190使所有元素都可以被-3-整除的最少操作数.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 63 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 64 |     pub fn minimum_operations(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/55jump-game.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `can_jump` is never used
[INFO] [stdout]   --> src/bin/55jump-game.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 55 |     pub fn can_jump(nums: Vec<i32>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/67二进制求和.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add_binary` is never used
[INFO] [stdout]   --> src/bin/67二进制求和.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 49 |     pub fn add_binary(a: String, b: String) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/66加一.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    0:     0x74210f669fe3 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hffd20ad4e5eca8ab
[INFO] [stderr]    1:     0x74210fe01998 - core::fmt::write::h6d9d3a7cfd7b84f5
[INFO] [stderr]    2:     0x74210f61f043 - std::io::Write::write_fmt::h22459ad26fe60c51
[INFO] [stderr]    3:     0x74210f630082 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e
[INFO] [stderr]    4:     0x74210f635f29 - std::panicking::default_hook::{{closure}}::h7555113b62983743
[INFO] [stdout] warning: associated function `plus_one` is never used
[INFO] [stdout]   --> src/bin/66加一.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 66 |     pub fn plus_one(digits: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    5:     0x74210f635a53 - std::panicking::default_hook::h2714b564abe8d914
[INFO] [stderr]    6:     0x74210e68cbb5 - std[873cba99d9e73db4]::panicking::update_hook::<alloc[16f2ae1a99625609]::boxed::Box<rustc_driver_impl[40330fda428a6899]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    7:     0x74210f6363de - std::panicking::panic_with_hook::h190dc82263685ec5
[INFO] [stderr]    8:     0x74210f63610a - std::panicking::panic_handler::{{closure}}::h8b036a1b366643ac
[INFO] [stderr]    9:     0x74210f6301b9 - std::sys::backtrace::__rust_end_short_backtrace::h45affcfc0c830da8
[INFO] [stderr]   10:     0x74210f610e9d - __rustc[9b67c8562bba447b]::rust_begin_unwind
[INFO] [stderr]   11:     0x74210bce30e0 - core::panicking::panic_fmt::hc084f85b1e76c16d
[INFO] [stderr]   12:     0x74210e06274a - core::str::slice_error_fail_rt::h098c2e854e82c15f
[INFO] [stderr]   13:     0x74210de0cf2a - core::str::slice_error_fail::hb0602bdeafad6800
[INFO] [stderr]   14:     0x742110d070b5 - <rustc_session[638cbba211d20109]::config::OutputFilenames>::temp_path_ext_for_cgu
[INFO] [stderr]   15:     0x742110d06770 - <rustc_session[638cbba211d20109]::config::OutputFilenames>::split_dwarf_path
[INFO] [stderr]   16:     0x74211024e9fe - rustc_codegen_llvm[35b3c5c889a2edc0]::base::compile_codegen_unit::module_codegen
[INFO] [stderr]   17:     0x742110f72f1a - <rustc_codegen_llvm[35b3c5c889a2edc0]::LlvmCodegenBackend as rustc_codegen_ssa[e3ea0fdec5f9adb8]::traits::backend::ExtraBackendMethods>::compile_codegen_unit
[INFO] [stderr]   18:     0x742110f70e03 - <rustc_codegen_llvm[35b3c5c889a2edc0]::LlvmCodegenBackend as rustc_codegen_ssa[e3ea0fdec5f9adb8]::traits::backend::CodegenBackend>::codegen_crate
[INFO] [stderr]   19:     0x7421112b2d30 - <rustc_interface[1e61e9ba1f0bb161]::queries::Linker>::codegen_and_build_linker
[INFO] [stderr]   20:     0x7421112b08bc - rustc_interface[1e61e9ba1f0bb161]::passes::create_and_enter_global_ctxt::<core[5002542780a992fa]::option::Option<rustc_interface[1e61e9ba1f0bb161]::queries::Linker>, rustc_driver_impl[40330fda428a6899]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0}
[INFO] [stderr]   21:     0x742111070de2 - rustc_interface[1e61e9ba1f0bb161]::interface::run_compiler::<(), rustc_driver_impl[40330fda428a6899]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   22:     0x742110f51938 - std[873cba99d9e73db4]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[1e61e9ba1f0bb161]::util::run_in_thread_with_globals<rustc_interface[1e61e9ba1f0bb161]::util::run_in_thread_pool_with_globals<rustc_interface[1e61e9ba1f0bb161]::interface::run_compiler<(), rustc_driver_impl[40330fda428a6899]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   23:     0x742110f5161c - <<std[873cba99d9e73db4]::thread::Builder>::spawn_unchecked_<rustc_interface[1e61e9ba1f0bb161]::util::run_in_thread_with_globals<rustc_interface[1e61e9ba1f0bb161]::util::run_in_thread_pool_with_globals<rustc_interface[1e61e9ba1f0bb161]::interface::run_compiler<(), rustc_driver_impl[40330fda428a6899]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[5002542780a992fa]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   24:     0x742110f5774d - std::sys::pal::unix::thread::Thread::new::thread_start::h29c84e109630689a
[INFO] [stderr]   25:     0x74210a88aaa4 - <unknown>
[INFO] [stderr]   26:     0x74210a917a34 - clone
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug.
[INFO] [stderr] 
[INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
[INFO] [stderr] 
[INFO] [stderr] note: please make sure that you have updated to the latest nightly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2025-09-01T06_13_42-290.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.91.0-nightly (b83b707f9 2025-08-28) running on x86_64-unknown-linux-gnu
[INFO] [stderr] 
[INFO] [stderr] note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2
[INFO] [stderr] 
[INFO] [stderr] note: some of the compiler flags provided by cargo are hidden
[INFO] [stderr] 
[INFO] [stderr] query stack during panic:
[INFO] [stderr] end of query stack
[INFO] [stderr] error: could not compile `leetcode` (bin "3190使所有元素都可以被-3-整除的最少操作数"); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name '3190使所有元素都可以被_3_整除的最少操作数' --edition=2024 'src/bin/3190使所有元素都可以被-3-整除的最少操作数.rs' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=e1b5995e85ca0bb9 -C extra-filename=-707eb22ba3cd4325 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "223a66e58337e922e5ba6f70246633dd6d82432e534310eb031e0040d59d01ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "223a66e58337e922e5ba6f70246633dd6d82432e534310eb031e0040d59d01ed", kill_on_drop: false }`
[INFO] [stdout] 223a66e58337e922e5ba6f70246633dd6d82432e534310eb031e0040d59d01ed