[INFO] cloning repository https://github.com/renefw/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/renefw/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenefw%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenefw%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb07f9d453c327545b1486c16df7cde8bc275268
[INFO] checking renefw/leetcode against try#fa4dd1f19bfeb3fd235dc7f1406c42404436bef5 for pr-145108-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frenefw%2Fleetcode" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/renefw/leetcode
[INFO] finished tweaking git repo https://github.com/renefw/leetcode
[INFO] tweaked toml for git repo https://github.com/renefw/leetcode written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/renefw/leetcode on toolchain fa4dd1f19bfeb3fd235dc7f1406c42404436bef5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/renefw/leetcode 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" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0f0654b5abeb2c008e98fa712aaae6acd0a9970427b5df61e9313d3cc7873d6
[INFO] running `Command { std: "docker" "start" "-a" "e0f0654b5abeb2c008e98fa712aaae6acd0a9970427b5df61e9313d3cc7873d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0f0654b5abeb2c008e98fa712aaae6acd0a9970427b5df61e9313d3cc7873d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0f0654b5abeb2c008e98fa712aaae6acd0a9970427b5df61e9313d3cc7873d6", kill_on_drop: false }`
[INFO] [stdout] e0f0654b5abeb2c008e98fa712aaae6acd0a9970427b5df61e9313d3cc7873d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+fa4dd1f19bfeb3fd235dc7f1406c42404436bef5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19e6c575d7f87dff318a97baef94470bbe96851e499a5ab8356f24c278343362
[INFO] running `Command { std: "docker" "start" "-a" "19e6c575d7f87dff318a97baef94470bbe96851e499a5ab8356f24c278343362", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `two_sum` is never used
[INFO] [stdout]   --> src/start/mod_0001_two_sum.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0001_two_sum.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ListNode` is never constructed
[INFO] [stdout]   --> src/start/mod_0002_add_two_numbers.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct ListNode {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/start/mod_0002_add_two_numbers.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl ListNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 37 |     #[inline]
[INFO] [stdout] 38 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_list` is never used
[INFO] [stdout]   --> src/start/mod_0002_add_two_numbers.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn to_list(vec: Vec<i32>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_vec` is never used
[INFO] [stdout]   --> src/start/mod_0002_add_two_numbers.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn to_vec(list_node: Option<Box<ListNode>>) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `vec_to_number` is never used
[INFO] [stdout]   --> src/start/mod_0002_add_two_numbers.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn vec_to_number(vec: Vec<i32>) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `number_to_vec_rev` is never used
[INFO] [stdout]   --> src/start/mod_0002_add_two_numbers.rs:77:4
[INFO] [stdout]    |
[INFO] [stdout] 77 | fn number_to_vec_rev(number: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_two_numbers` is never used
[INFO] [stdout]   --> src/start/mod_0002_add_two_numbers.rs:86:4
[INFO] [stdout]    |
[INFO] [stdout] 86 | fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0002_add_two_numbers.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `length_of_longest_substring` is never used
[INFO] [stdout]   --> src/start/mod_0003_length_of_longest_substring.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0003_length_of_longest_substring.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_median_sorted_arrays` is never used
[INFO] [stdout]   --> src/start/mod_0004_find_median_sorted_arrays.rs:28:4
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn find_median_sorted_arrays(nums1: Vec<i32>, nums2: Vec<i32>) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0004_find_median_sorted_arrays.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]   --> src/start/mod_0005_longest_palindrome.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn is_palindrome(s: String, left: usize, right: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `longest_palindrome` is never used
[INFO] [stdout]   --> src/start/mod_0005_longest_palindrome.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn longest_palindrome(s: String) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0005_longest_palindrome.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]   --> src/start/mod_0007_reverse_integer.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn reverse(x: i32) -> i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0007_reverse_integer.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `my_atoi` is never used
[INFO] [stdout]   --> src/start/mod_0008_string_to_integer.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn my_atoi(s: String) -> i32 {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]    --> src/start/mod_0008_string_to_integer.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn solution() {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0001_two_sum.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0002_add_two_numbers.rs:94:8
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0003_length_of_longest_substring.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0004_find_median_sorted_arrays.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0005_longest_palindrome.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]   --> src/start/mod_0007_reverse_integer.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn solution() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `solution` is never used
[INFO] [stdout]    --> src/start/mod_0008_string_to_integer.rs:123:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub fn solution() {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "19e6c575d7f87dff318a97baef94470bbe96851e499a5ab8356f24c278343362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e6c575d7f87dff318a97baef94470bbe96851e499a5ab8356f24c278343362", kill_on_drop: false }`
[INFO] [stdout] 19e6c575d7f87dff318a97baef94470bbe96851e499a5ab8356f24c278343362
