[INFO] cloning repository https://github.com/7sne/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/7sne/leetcode_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7sne%2Fleetcode_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7sne%2Fleetcode_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13a83a2647495fca6cc9ed5fc38a5bf03737141a
[INFO] checking 7sne/leetcode_rs/13a83a2647495fca6cc9ed5fc38a5bf03737141a against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7sne%2Fleetcode_rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/7sne/leetcode_rs on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/7sne/leetcode_rs
[INFO] finished tweaking git repo https://github.com/7sne/leetcode_rs
[INFO] tweaked toml for git repo https://github.com/7sne/leetcode_rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/7sne/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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d99175a7d28ae14caf329a37be6ac774da9fbced59761c7bad270e81fe24491a
[INFO] running `Command { std: "docker" "start" "-a" "d99175a7d28ae14caf329a37be6ac774da9fbced59761c7bad270e81fe24491a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d99175a7d28ae14caf329a37be6ac774da9fbced59761c7bad270e81fe24491a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99175a7d28ae14caf329a37be6ac774da9fbced59761c7bad270e81fe24491a", kill_on_drop: false }`
[INFO] [stdout] d99175a7d28ae14caf329a37be6ac774da9fbced59761c7bad270e81fe24491a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b4bee3c61e161fd425a864db85b4c41af684260990f21683eea5986437fe3f1
[INFO] running `Command { std: "docker" "start" "-a" "6b4bee3c61e161fd425a864db85b4c41af684260990f21683eea5986437fe3f1", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode-speedrun v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `collections::HashMap` and `vec`
[INFO] [stdout]  --> src/solutions/s347.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, vec};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/solutions/s347.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, vec};
[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/solutions/s002.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 10 |     #[inline]
[INFO] [stdout] 11 |     fn new(val: i32) -> Self { ListNode { next: None, val } }
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S003` is never constructed
[INFO] [stdout]  --> src/solutions/s003.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct S003;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_longest_substring` is never used
[INFO] [stdout]   --> src/solutions/s003.rs:27:19
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl S003 {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 27 |     pub(crate) fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S004` is never constructed
[INFO] [stdout]  --> src/solutions/s004.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct S004;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_median_sorted_arrays` is never used
[INFO] [stdout]  --> src/solutions/s004.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl S004 {
[INFO] [stdout]   | --------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S049` is never constructed
[INFO] [stdout]  --> src/solutions/s049.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct S049;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `group_anagrams` is never used
[INFO] [stdout]  --> src/solutions/s049.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl S049 {
[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 `S217` is never constructed
[INFO] [stdout]  --> src/solutions/s217.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct S217;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `contains_duplicate_hs` and `contains_duplicate_hm` are never used
[INFO] [stdout]   --> src/solutions/s217.rs:4:12
[INFO] [stdout]    |
[INFO] [stdout] 3  | impl S217 {
[INFO] [stdout]    | --------- associated functions in this implementation
[INFO] [stdout] 4  |     pub fn contains_duplicate_hs(nums: Vec<i32>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn contains_duplicate_hm(nums: Vec<i32>) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S242` is never constructed
[INFO] [stdout]  --> src/solutions/s242.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct S242;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is_anagram` is never used
[INFO] [stdout]  --> src/solutions/s242.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl S242 {
[INFO] [stdout]   | --------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S347` is never constructed
[INFO] [stdout]  --> src/solutions/s347.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct S347;
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `top_k_frequent` is never used
[INFO] [stdout]  --> src/solutions/s347.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl S347 {
[INFO] [stdout]   | --------- associated function in this implementation
[INFO] [stdout] 6 |     pub fn top_k_frequent(nums: Vec<i32>, k: i32) -> Vec<i32> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/solutions/s002.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 10 |     #[inline]
[INFO] [stdout] 11 |     fn new(val: i32) -> Self { ListNode { next: None, val } }
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `S004` is never constructed
[INFO] [stdout]  --> src/solutions/s004.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct S004;
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `find_median_sorted_arrays` is never used
[INFO] [stdout]  --> src/solutions/s004.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl S004 {
[INFO] [stdout]   | --------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "6b4bee3c61e161fd425a864db85b4c41af684260990f21683eea5986437fe3f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b4bee3c61e161fd425a864db85b4c41af684260990f21683eea5986437fe3f1", kill_on_drop: false }`
[INFO] [stdout] 6b4bee3c61e161fd425a864db85b4c41af684260990f21683eea5986437fe3f1