[INFO] cloning repository https://github.com/milongo/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milongo/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilongo%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilongo%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6bd20e49e96f28518d4114c7ae405603ad095f7
[INFO] testing milongo/leetcode-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilongo%2Fleetcode-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/milongo/leetcode-rust
[INFO] finished tweaking git repo https://github.com/milongo/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/milongo/leetcode-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/milongo/leetcode-rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/milongo/leetcode-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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5250b1034f0e88c82f5b10365ba110c1e393b7b98f5724b3089905dcffa3cf85
[INFO] running `Command { std: "docker" "start" "-a" "5250b1034f0e88c82f5b10365ba110c1e393b7b98f5724b3089905dcffa3cf85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5250b1034f0e88c82f5b10365ba110c1e393b7b98f5724b3089905dcffa3cf85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5250b1034f0e88c82f5b10365ba110c1e393b7b98f5724b3089905dcffa3cf85", kill_on_drop: false }`
[INFO] [stdout] 5250b1034f0e88c82f5b10365ba110c1e393b7b98f5724b3089905dcffa3cf85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 221411b216e6d67c7ee9ad53d74bf6fce6f028b5ca4d14fa93f3cfed5c9bff10
[INFO] running `Command { std: "docker" "start" "-a" "221411b216e6d67c7ee9ad53d74bf6fce6f028b5ca4d14fa93f3cfed5c9bff10", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/problems/arrays_hashing.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:633:10
[INFO] [stdout]     |
[INFO] [stdout] 633 |     for (key, val) in char_count.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/problems/arrays_hashing.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:633:10
[INFO] [stdout]     |
[INFO] [stdout] 633 |     for (key, val) in char_count.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit` is never used
[INFO] [stdout]   --> src/problems/arrays_hashing.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `length_of_longest_substring` is never used
[INFO] [stdout]   --> src/problems/arrays_hashing.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]   --> src/problems/arrays_hashing.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `three_sum_bool` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn three_sum_bool(nums: Vec<i32>, target: i32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_duplicate` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn has_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_anagram` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub fn is_palindrome(s: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 | pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:406:8
[INFO] [stdout]     |
[INFO] [stdout] 406 | pub fn is_valid(s: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flood_fill` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:472:8
[INFO] [stdout]     |
[INFO] [stdout] 472 | pub fn flood_fill(image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_construct` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:560:8
[INFO] [stdout]     |
[INFO] [stdout] 560 | pub fn can_construct(ransom_note: String, magazine: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_palindrome` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:625:8
[INFO] [stdout]     |
[INFO] [stdout] 625 | pub fn longest_palindrome(s: String) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `majority_element` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:689:8
[INFO] [stdout]     |
[INFO] [stdout] 689 | pub fn majority_element(nums: Vec<i32>) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `climb_stairs` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:753:8
[INFO] [stdout]     |
[INFO] [stdout] 753 | pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_sub_array` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:818:8
[INFO] [stdout]     |
[INFO] [stdout] 818 | pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:875:8
[INFO] [stdout]     |
[INFO] [stdout] 875 | pub fn insert(intervals: Vec<Vec<i32>>, new_interval: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "221411b216e6d67c7ee9ad53d74bf6fce6f028b5ca4d14fa93f3cfed5c9bff10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221411b216e6d67c7ee9ad53d74bf6fce6f028b5ca4d14fa93f3cfed5c9bff10", kill_on_drop: false }`
[INFO] [stdout] 221411b216e6d67c7ee9ad53d74bf6fce6f028b5ca4d14fa93f3cfed5c9bff10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] cc3996ce1a7793c5b2b1ba739f43e5229027a95e7bc1bae204ca877e0f8a88f1
[INFO] running `Command { std: "docker" "start" "-a" "cc3996ce1a7793c5b2b1ba739f43e5229027a95e7bc1bae204ca877e0f8a88f1", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/problems/arrays_hashing.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:633:10
[INFO] [stdout]     |
[INFO] [stdout] 633 |     for (key, val) in char_count.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/problems/arrays_hashing.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:633:10
[INFO] [stdout]     |
[INFO] [stdout] 633 |     for (key, val) in char_count.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit` is never used
[INFO] [stdout]   --> src/problems/arrays_hashing.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `length_of_longest_substring` is never used
[INFO] [stdout]   --> src/problems/arrays_hashing.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]   --> src/problems/arrays_hashing.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `three_sum_bool` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn three_sum_bool(nums: Vec<i32>, target: i32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_duplicate` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn has_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_anagram` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub fn is_palindrome(s: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 | pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:406:8
[INFO] [stdout]     |
[INFO] [stdout] 406 | pub fn is_valid(s: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flood_fill` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:472:8
[INFO] [stdout]     |
[INFO] [stdout] 472 | pub fn flood_fill(image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_construct` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:560:8
[INFO] [stdout]     |
[INFO] [stdout] 560 | pub fn can_construct(ransom_note: String, magazine: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_palindrome` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:625:8
[INFO] [stdout]     |
[INFO] [stdout] 625 | pub fn longest_palindrome(s: String) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `majority_element` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:689:8
[INFO] [stdout]     |
[INFO] [stdout] 689 | pub fn majority_element(nums: Vec<i32>) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `climb_stairs` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:753:8
[INFO] [stdout]     |
[INFO] [stdout] 753 | pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_sub_array` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:818:8
[INFO] [stdout]     |
[INFO] [stdout] 818 | pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:875:8
[INFO] [stdout]     |
[INFO] [stdout] 875 | pub fn insert(intervals: Vec<Vec<i32>>, new_interval: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/problems/arrays_hashing.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::hash::Hash`
[INFO] [stdout]  --> src/problems/arrays_hashing.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::hash::Hash;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:633:10
[INFO] [stdout]     |
[INFO] [stdout] 633 |     for (key, val) in char_count.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_profit` is never used
[INFO] [stdout]   --> src/problems/arrays_hashing.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `length_of_longest_substring` is never used
[INFO] [stdout]   --> src/problems/arrays_hashing.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]   --> src/problems/arrays_hashing.rs:95:8
[INFO] [stdout]    |
[INFO] [stdout] 95 | pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `three_sum_bool` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn three_sum_bool(nums: Vec<i32>, target: i32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `has_duplicate` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | pub fn has_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_anagram` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:275:8
[INFO] [stdout]     |
[INFO] [stdout] 275 | pub fn is_palindrome(s: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `search` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:331:8
[INFO] [stdout]     |
[INFO] [stdout] 331 | pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:406:8
[INFO] [stdout]     |
[INFO] [stdout] 406 | pub fn is_valid(s: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `flood_fill` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:472:8
[INFO] [stdout]     |
[INFO] [stdout] 472 | pub fn flood_fill(image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_construct` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:560:8
[INFO] [stdout]     |
[INFO] [stdout] 560 | pub fn can_construct(ransom_note: String, magazine: String) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_palindrome` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:625:8
[INFO] [stdout]     |
[INFO] [stdout] 625 | pub fn longest_palindrome(s: String) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `majority_element` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:689:8
[INFO] [stdout]     |
[INFO] [stdout] 689 | pub fn majority_element(nums: Vec<i32>) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `climb_stairs` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:753:8
[INFO] [stdout]     |
[INFO] [stdout] 753 | pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_sub_array` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:818:8
[INFO] [stdout]     |
[INFO] [stdout] 818 | pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `insert` is never used
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:875:8
[INFO] [stdout]     |
[INFO] [stdout] 875 | pub fn insert(intervals: Vec<Vec<i32>>, new_interval: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/problems/arrays_hashing.rs:633:10
[INFO] [stdout]     |
[INFO] [stdout] 633 |     for (key, val) in char_count.iter() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "cc3996ce1a7793c5b2b1ba739f43e5229027a95e7bc1bae204ca877e0f8a88f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3996ce1a7793c5b2b1ba739f43e5229027a95e7bc1bae204ca877e0f8a88f1", kill_on_drop: false }`
[INFO] [stdout] cc3996ce1a7793c5b2b1ba739f43e5229027a95e7bc1bae204ca877e0f8a88f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2c8384d50c6542be3d87f18c7dd9e62b1ef069211bf62a6b11a8b67d10a0dbb8
[INFO] running `Command { std: "docker" "start" "-a" "2c8384d50c6542be3d87f18c7dd9e62b1ef069211bf62a6b11a8b67d10a0dbb8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::hash::Hash`
[INFO] [stderr]  --> src/problems/arrays_hashing.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::hash::Hash;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:633:10
[INFO] [stderr]     |
[INFO] [stderr] 633 |     for (key, val) in char_count.iter() {
[INFO] [stderr]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode-rust` (lib) generated 2 warnings (run `cargo fix --lib -p leetcode-rust` to apply 1 suggestion)
[INFO] [stderr] warning: function `max_profit` is never used
[INFO] [stderr]   --> src/problems/arrays_hashing.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub fn max_profit(prices: Vec<i32>) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `length_of_longest_substring` is never used
[INFO] [stderr]   --> src/problems/arrays_hashing.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `two_sum` is never used
[INFO] [stderr]   --> src/problems/arrays_hashing.rs:95:8
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `three_sum_bool` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:121:8
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub fn three_sum_bool(nums: Vec<i32>, target: i32) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `has_duplicate` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:177:8
[INFO] [stderr]     |
[INFO] [stderr] 177 | pub fn has_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_anagram` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:217:8
[INFO] [stderr]     |
[INFO] [stderr] 217 | pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_palindrome` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:275:8
[INFO] [stderr]     |
[INFO] [stderr] 275 | pub fn is_palindrome(s: String) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `search` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:331:8
[INFO] [stderr]     |
[INFO] [stderr] 331 | pub fn search(nums: Vec<i32>, target: i32) -> i32 {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_valid` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:406:8
[INFO] [stderr]     |
[INFO] [stderr] 406 | pub fn is_valid(s: String) -> bool {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `flood_fill` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:472:8
[INFO] [stderr]     |
[INFO] [stderr] 472 | pub fn flood_fill(image: Vec<Vec<i32>>, sr: i32, sc: i32, color: i32) -> Vec<Vec<i32>> {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `can_construct` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:560:8
[INFO] [stderr]     |
[INFO] [stderr] 560 | pub fn can_construct(ransom_note: String, magazine: String) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `longest_palindrome` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:625:8
[INFO] [stderr]     |
[INFO] [stderr] 625 | pub fn longest_palindrome(s: String) -> i32 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `majority_element` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:689:8
[INFO] [stderr]     |
[INFO] [stderr] 689 | pub fn majority_element(nums: Vec<i32>) -> i32 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `climb_stairs` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:753:8
[INFO] [stderr]     |
[INFO] [stderr] 753 | pub fn climb_stairs(n: i32) -> i32 {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `max_sub_array` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:818:8
[INFO] [stderr]     |
[INFO] [stderr] 818 | pub fn max_sub_array(nums: Vec<i32>) -> i32 {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `insert` is never used
[INFO] [stderr]    --> src/problems/arrays_hashing.rs:875:8
[INFO] [stderr]     |
[INFO] [stderr] 875 | pub fn insert(intervals: Vec<Vec<i32>>, new_interval: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `leetcode-rust` (bin "leetcode-rust" test) generated 18 warnings (2 duplicates)
[INFO] [stderr] warning: `leetcode-rust` (bin "leetcode-rust") generated 18 warnings (18 duplicates)
[INFO] [stderr] warning: `leetcode-rust` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/leetcode_rust-869e0dab8c523178)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/leetcode_rust-896ccd5e55432108)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_three_sum.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/test_three_sum-0d81f901f90a7588)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/test_two_sum.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/test_two_sum-c57a7afb495086c2)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_three_sum_example_1 ... ok
[INFO] [stdout] test test_three_sum_example_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_two_sum_example ... ok
[INFO] [stdout] test test_two_sum_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c8384d50c6542be3d87f18c7dd9e62b1ef069211bf62a6b11a8b67d10a0dbb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c8384d50c6542be3d87f18c7dd9e62b1ef069211bf62a6b11a8b67d10a0dbb8", kill_on_drop: false }`
[INFO] [stdout] 2c8384d50c6542be3d87f18c7dd9e62b1ef069211bf62a6b11a8b67d10a0dbb8