[INFO] cloning repository https://github.com/zscumt123/leetcode-by-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zscumt123/leetcode-by-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzscumt123%2Fleetcode-by-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzscumt123%2Fleetcode-by-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4dc8740a37dece3309bcca3bc7a3e8b631046320
[INFO] checking zscumt123/leetcode-by-rust against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzscumt123%2Fleetcode-by-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: Unable to create '/workspace/builds/worker-1-tc2/source/.git/refs/remotes/origin/HEAD.lock': No such file or directory
[INFO] [stderr] fatal: unable to update refs/remotes/origin/HEAD
[INFO] checking zscumt123/leetcode-by-rust against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzscumt123%2Fleetcode-by-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/bin/2765.rs
[INFO] [stderr] error: unable to write file src/bin/283.rs
[INFO] [stderr] error: unable to write file src/bin/2859.rs
[INFO] [stderr] error: unable to write file src/bin/3.rs
[INFO] [stderr] error: unable to write file src/bin/383.rs
[INFO] [stderr] error: unable to write file src/bin/395.rs
[INFO] [stderr] error: unable to write file src/bin/404.rs
[INFO] [stderr] error: unable to write file src/bin/46.rs
[INFO] [stderr] error: unable to write file src/bin/49.rs
[INFO] [stderr] error: unable to write file src/bin/503.rs
[INFO] [stderr] error: unable to write file src/bin/543.rs
[INFO] [stderr] error: unable to write file src/bin/559.js
[INFO] [stderr] error: unable to write file src/bin/56.rs
[INFO] [stderr] error: unable to write file src/bin/560.rs
[INFO] [stderr] error: unable to write file src/bin/563.rs
[INFO] [stderr] error: unable to write file src/bin/57.rs
[INFO] [stderr] error: unable to write file src/bin/572.rs
[INFO] [stderr] error: unable to write file src/bin/617.rs
[INFO] [stderr] error: unable to write file src/bin/637.rs
[INFO] [stderr] error: unable to write file src/bin/643.rs
[INFO] [stderr] error: unable to write file src/bin/653.rs
[INFO] [stderr] error: unable to write file src/bin/71.rs
[INFO] [stderr] error: unable to write file src/bin/72.rs
[INFO] [stderr] error: unable to write file src/bin/73.rs
[INFO] [stderr] error: unable to write file src/bin/75.rs
[INFO] [stderr] error: unable to write file src/bin/763.rs
[INFO] [stderr] error: unable to write file src/bin/80.rs
[INFO] [stderr] error: unable to write file src/bin/82.rs
[INFO] [stderr] error: unable to write file src/bin/83.rs
[INFO] [stderr] error: unable to write file src/bin/88.rs
[INFO] [stderr] error: unable to write file src/bin/889.rs
[INFO] [stderr] error: unable to write file src/bin/938.rs
[INFO] [stderr] error: unable to write file src/bin/94.rs
[INFO] [stderr] fatal: cannot create directory at 'src/bin/js': No space left on device
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking zscumt123/leetcode-by-rust against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzscumt123%2Fleetcode-by-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/bin/27.rs
[INFO] [stderr] error: unable to write file src/bin/2765.rs
[INFO] [stderr] error: unable to write file src/bin/283.rs
[INFO] [stderr] error: unable to write file src/bin/2859.rs
[INFO] [stderr] error: unable to write file src/bin/3.rs
[INFO] [stderr] error: unable to write file src/bin/383.rs
[INFO] [stderr] error: unable to write file src/bin/395.rs
[INFO] [stderr] error: unable to write file src/bin/404.rs
[INFO] [stderr] error: unable to write file src/bin/46.rs
[INFO] [stderr] error: unable to write file src/bin/49.rs
[INFO] [stderr] error: unable to write file src/bin/503.rs
[INFO] [stderr] error: unable to write file src/bin/543.rs
[INFO] [stderr] error: unable to write file src/bin/559.js
[INFO] [stderr] error: unable to write file src/bin/56.rs
[INFO] [stderr] error: unable to write file src/bin/560.rs
[INFO] [stderr] error: unable to write file src/bin/563.rs
[INFO] [stderr] error: unable to write file src/bin/57.rs
[INFO] [stderr] error: unable to write file src/bin/572.rs
[INFO] [stderr] error: unable to write file src/bin/617.rs
[INFO] [stderr] error: unable to write file src/bin/637.rs
[INFO] [stderr] error: unable to write file src/bin/643.rs
[INFO] [stderr] error: unable to write file src/bin/653.rs
[INFO] [stderr] error: unable to write file src/bin/71.rs
[INFO] [stderr] error: unable to write file src/bin/72.rs
[INFO] [stderr] error: unable to write file src/bin/73.rs
[INFO] [stderr] error: unable to write file src/bin/75.rs
[INFO] [stderr] error: unable to write file src/bin/763.rs
[INFO] [stderr] error: unable to write file src/bin/80.rs
[INFO] [stderr] error: unable to write file src/bin/82.rs
[INFO] [stderr] error: unable to write file src/bin/83.rs
[INFO] [stderr] error: unable to write file src/bin/88.rs
[INFO] [stderr] error: unable to write file src/bin/889.rs
[INFO] [stderr] error: unable to write file src/bin/938.rs
[INFO] [stderr] error: unable to write file src/bin/94.rs
[INFO] [stderr] fatal: cannot create directory at 'src/bin/js': No space left on device
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking zscumt123/leetcode-by-rust against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzscumt123%2Fleetcode-by-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/bin/26.rs
[INFO] [stderr] error: unable to write file src/bin/27.rs
[INFO] [stderr] error: unable to write file src/bin/2765.rs
[INFO] [stderr] error: unable to write file src/bin/283.rs
[INFO] [stderr] error: unable to write file src/bin/2859.rs
[INFO] [stderr] error: unable to write file src/bin/3.rs
[INFO] [stderr] error: unable to write file src/bin/383.rs
[INFO] [stderr] error: unable to write file src/bin/395.rs
[INFO] [stderr] error: unable to write file src/bin/404.rs
[INFO] [stderr] error: unable to write file src/bin/46.rs
[INFO] [stderr] error: unable to write file src/bin/49.rs
[INFO] [stderr] error: unable to write file src/bin/503.rs
[INFO] [stderr] error: unable to write file src/bin/543.rs
[INFO] [stderr] error: unable to write file src/bin/559.js
[INFO] [stderr] error: unable to write file src/bin/56.rs
[INFO] [stderr] error: unable to write file src/bin/560.rs
[INFO] [stderr] error: unable to write file src/bin/563.rs
[INFO] [stderr] error: unable to write file src/bin/57.rs
[INFO] [stderr] error: unable to write file src/bin/572.rs
[INFO] [stderr] error: unable to write file src/bin/617.rs
[INFO] [stderr] error: unable to write file src/bin/637.rs
[INFO] [stderr] error: unable to write file src/bin/643.rs
[INFO] [stderr] error: unable to write file src/bin/653.rs
[INFO] [stderr] error: unable to write file src/bin/71.rs
[INFO] [stderr] error: unable to write file src/bin/72.rs
[INFO] [stderr] error: unable to write file src/bin/73.rs
[INFO] [stderr] error: unable to write file src/bin/75.rs
[INFO] [stderr] error: unable to write file src/bin/763.rs
[INFO] [stderr] error: unable to write file src/bin/80.rs
[INFO] [stderr] error: unable to write file src/bin/82.rs
[INFO] [stderr] error: unable to write file src/bin/83.rs
[INFO] [stderr] error: unable to write file src/bin/88.rs
[INFO] [stderr] error: unable to write file src/bin/889.rs
[INFO] [stderr] error: unable to write file src/bin/938.rs
[INFO] [stderr] error: unable to write file src/bin/94.rs
[INFO] [stderr] fatal: cannot create directory at 'src/bin/js': No space left on device
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] checking zscumt123/leetcode-by-rust against try#2b41547e41f63ea0ca9cb25417ddd569b19e6a50 for pr-134273
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzscumt123%2Fleetcode-by-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zscumt123/leetcode-by-rust on toolchain 2b41547e41f63ea0ca9cb25417ddd569b19e6a50
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zscumt123/leetcode-by-rust
[INFO] finished tweaking git repo https://github.com/zscumt123/leetcode-by-rust
[INFO] tweaked toml for git repo https://github.com/zscumt123/leetcode-by-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zscumt123/leetcode-by-rust 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" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6064fe68daaa6a212ee591aacf6e29c1491144d40a22a5760eaee4e6055740c
[INFO] running `Command { std: "docker" "start" "-a" "b6064fe68daaa6a212ee591aacf6e29c1491144d40a22a5760eaee4e6055740c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6064fe68daaa6a212ee591aacf6e29c1491144d40a22a5760eaee4e6055740c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6064fe68daaa6a212ee591aacf6e29c1491144d40a22a5760eaee4e6055740c", kill_on_drop: false }`
[INFO] [stdout] b6064fe68daaa6a212ee591aacf6e29c1491144d40a22a5760eaee4e6055740c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2b41547e41f63ea0ca9cb25417ddd569b19e6a50" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cc332a109461eb3f07fe4e427c70b20e8c2bc12a25bb672b7a0c5e0c5db6e39
[INFO] running `Command { std: "docker" "start" "-a" "3cc332a109461eb3f07fe4e427c70b20e8c2bc12a25bb672b7a0c5e0c5db6e39", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode-by-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/bin/283.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: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/112.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `move_zeroes` is never used
[INFO] [stdout]  --> src/bin/283.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     //nums = [0,1,0,3,12]
[INFO] [stdout] 6 |     pub fn move_zeroes(nums: &mut Vec<i32>) {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `has_path_sum` is never used
[INFO] [stdout]   --> src/bin/112.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn has_path_sum(root: Option<Rc<RefCell<TreeNode>>>, target_sum: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/572.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_subtree`, `dfs`, and `isSame` are never used
[INFO] [stdout]   --> src/bin/572.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 24 |     pub fn is_subtree(
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn dfs(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn isSame(t1: Option<Rc<RefCell<TreeNode>>>, t2: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/226.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `invert_tree` is never used
[INFO] [stdout]   --> src/bin/226.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn invert_tree(root: Option<Rc<RefCell<TreeNode>>>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `isSame` should have a snake case name
[INFO] [stdout]   --> src/bin/572.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn isSame(t1: Option<Rc<RefCell<TreeNode>>>, t2: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |        ^^^^^^ help: convert the identifier to snake case: `is_same`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/106.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build_tree` is never used
[INFO] [stdout]   --> src/bin/106.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 25 |     pub fn build_tree(inorder: Vec<i32>, postorder: Vec<i32>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stdout]  --> src/bin/49.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::hash_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/bin/49.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `group_anagrams` is never used
[INFO] [stdout]  --> src/bin/49.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn group_anagrams(strs: Vec<String>) -> Vec<Vec<String>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/572.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_subtree`, `dfs`, and `isSame` are never used
[INFO] [stdout]   --> src/bin/572.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 24 |     pub fn is_subtree(
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn dfs(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     fn isSame(t1: Option<Rc<RefCell<TreeNode>>>, t2: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `isSame` should have a snake case name
[INFO] [stdout]   --> src/bin/572.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn isSame(t1: Option<Rc<RefCell<TreeNode>>>, t2: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |        ^^^^^^ help: convert the identifier to snake case: `is_same`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/110.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_balanced` and `is_balanced2` are never used
[INFO] [stdout]   --> src/bin/110.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 24 |     pub fn is_balanced(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn is_balanced2(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/bin/219.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/bin/80.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_duplicates` is never used
[INFO] [stdout]  --> src/bin/80.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn remove_duplicates(nums: &mut Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/bin/71.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/19.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     #[inline]
[INFO] [stdout] 12 |     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]   --> src/bin/19.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `remove_nth_from_end` is never used
[INFO] [stdout]   --> src/bin/19.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 19 |     pub fn remove_nth_from_end(head: Option<Box<ListNode>>, n: i32) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/503.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_minimum_difference` is never used
[INFO] [stdout]   --> src/bin/503.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn get_minimum_difference(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/bin/71.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `simplify_path` is never used
[INFO] [stdout]  --> src/bin/71.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn simplify_path(path: String) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/106.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build_tree` is never used
[INFO] [stdout]   --> src/bin/106.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 25 |     pub fn build_tree(inorder: Vec<i32>, postorder: Vec<i32>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::num`
[INFO] [stdout]  --> src/bin/2765.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::num;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/bin/128.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 `longest_consecutive` is never used
[INFO] [stdout]  --> src/bin/128.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn longest_consecutive(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/404.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sum_of_left_leaves` is never used
[INFO] [stdout]   --> src/bin/404.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 25 |     pub fn sum_of_left_leaves(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/238.rs:17:14
[INFO] [stdout]    |
[INFO] [stdout] 17 |         for (i, val) in nums.iter().enumerate().rev() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/889.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `construct_from_pre_post` is never used
[INFO] [stdout]   --> src/bin/889.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 25 |     pub fn construct_from_pre_post(
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/222.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `count_nodes` is never used
[INFO] [stdout]   --> src/bin/222.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn count_nodes(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]   --> src/bin/145.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/145.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]   --> src/bin/257.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `postorder_traversal` is never used
[INFO] [stdout]   --> src/bin/145.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn postorder_traversal(root: Option<Rc<RefCell<TreeNode>>>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/257.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `binary_tree_paths` is never used
[INFO] [stdout]   --> src/bin/257.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 26 |     pub fn binary_tree_paths(root: Option<Rc<RefCell<TreeNode>>>) -> Vec<String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/144.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `preorder_traversal` is never used
[INFO] [stdout]   --> src/bin/144.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 25 |     pub fn preorder_traversal(root: Option<Rc<RefCell<TreeNode>>>) -> Vec<i32> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/653.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Solution;
[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]   --> src/bin/112.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `has_path_sum` is never used
[INFO] [stdout]   --> src/bin/112.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn has_path_sum(root: Option<Rc<RefCell<TreeNode>>>, target_sum: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_target` is never used
[INFO] [stdout]   --> src/bin/653.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 25 |     pub fn find_target(root: Option<Rc<RefCell<TreeNode>>>, k: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/101.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `is_symmetric` and `is_symmetric2` are never used
[INFO] [stdout]   --> src/bin/101.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 26 |     pub fn is_symmetric(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     pub fn is_symmetric2(root: Option<Rc<RefCell<TreeNode>>>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry`
[INFO] [stdout]  --> src/bin/49.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::hash_map::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/bin/49.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `group_anagrams` is never used
[INFO] [stdout]  --> src/bin/49.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn group_anagrams(strs: Vec<String>) -> Vec<Vec<String>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/108.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sorted_array_to_bst` is never used
[INFO] [stdout]   --> src/bin/108.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 24 |     pub fn sorted_array_to_bst(nums: Vec<i32>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/bin/82.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     #[inline]
[INFO] [stdout] 12 |     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: method `append` is never used
[INFO] [stdout]   --> src/bin/82.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl ListNode {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 19 |     fn append(self, val: i32) -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/82.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `delete_duplicates` and `delete_duplicates2` are never used
[INFO] [stdout]   --> src/bin/82.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout] 28 |     pub fn delete_duplicates(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub fn delete_duplicates2(head: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/17.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::fmt::format`
[INFO] [stdout]  --> src/bin/17.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `563`
[INFO] [stdout]   --> src/bin/563.rs:41:2
[INFO] [stdout]    |
[INFO] [stdout] 41 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `src/bin/563.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/17.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |             for i in 0..len {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/bin/17.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 `letter_combinations` is never used
[INFO] [stdout]  --> src/bin/17.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn letter_combinations(digits: String) -> Vec<String> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/leetcode-by-rust-63804f6facf3837f/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode-by-rust` (bin "563") due to 1 previous error
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/17-0b782f8d5c7ca35a.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/leetcode-by-rust-0b782f8d5c7ca35a/dep-test-bin-17`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/bin/26.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: struct `Solution` is never constructed
[INFO] [stdout]  --> src/bin/73.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode-by-rust` (bin "26" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2b41547e41f63ea0ca9cb25417ddd569b19e6a50/bin/rustc --crate-name 26 --edition=2021 src/bin/26.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=1add1c05184444f0 -C extra-filename=-fda0e200521bdb5a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/938.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Solution;
[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]   --> src/bin/124.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode-by-rust` (bin "73"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2b41547e41f63ea0ca9cb25417ddd569b19e6a50/bin/rustc --crate-name 73 --edition=2021 src/bin/73.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=bd46c086519b35d4 -C extra-filename=-69e40ad6292b1f1d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] error: could not compile `leetcode-by-rust` (bin "938"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2b41547e41f63ea0ca9cb25417ddd569b19e6a50/bin/rustc --crate-name 938 --edition=2021 src/bin/938.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=5f70e7868d4a06bb -C extra-filename=-2de1bd5d756e5c57 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> src/bin/637.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode-by-rust` (bin "124"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2b41547e41f63ea0ca9cb25417ddd569b19e6a50/bin/rustc --crate-name 124 --edition=2021 src/bin/124.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=de03d855c2c54038 -C extra-filename=-b8c25aeafc0f28db --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] error: could not compile `leetcode-by-rust` (bin "637" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/2b41547e41f63ea0ca9cb25417ddd569b19e6a50/bin/rustc --crate-name 637 --edition=2021 src/bin/637.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=e4ae5864ba4ce9a7 -C extra-filename=-ee3895117d895181 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3cc332a109461eb3f07fe4e427c70b20e8c2bc12a25bb672b7a0c5e0c5db6e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cc332a109461eb3f07fe4e427c70b20e8c2bc12a25bb672b7a0c5e0c5db6e39", kill_on_drop: false }`
[INFO] [stdout] 3cc332a109461eb3f07fe4e427c70b20e8c2bc12a25bb672b7a0c5e0c5db6e39