[INFO] cloning repository https://github.com/MateuszSapala/rust-leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MateuszSapala/rust-leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateuszSapala%2Frust-leetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateuszSapala%2Frust-leetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6540fa831e43247cf8e739a17f9ff19bfb877fb9
[INFO] checking MateuszSapala/rust-leetcode against try#59a256151e578f525a26127f2c3e3a6c7e2982ca for pr-149291-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMateuszSapala%2Frust-leetcode" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MateuszSapala/rust-leetcode
[INFO] finished tweaking git repo https://github.com/MateuszSapala/rust-leetcode
[INFO] tweaked toml for git repo https://github.com/MateuszSapala/rust-leetcode written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MateuszSapala/rust-leetcode on toolchain 59a256151e578f525a26127f2c3e3a6c7e2982ca
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MateuszSapala/rust-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" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6259319300a319397a89f95376731f2d391ae21fdc2018347158d6d45c8e0fd2
[INFO] running `Command { std: "docker" "start" "-a" "6259319300a319397a89f95376731f2d391ae21fdc2018347158d6d45c8e0fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6259319300a319397a89f95376731f2d391ae21fdc2018347158d6d45c8e0fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6259319300a319397a89f95376731f2d391ae21fdc2018347158d6d45c8e0fd2", kill_on_drop: false }`
[INFO] [stdout] 6259319300a319397a89f95376731f2d391ae21fdc2018347158d6d45c8e0fd2
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+59a256151e578f525a26127f2c3e3a6c7e2982ca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ae8140d104716ff575f53a2ef05da2729377a8dfddfe96231b27d87dd22118a
[INFO] running `Command { std: "docker" "start" "-a" "0ae8140d104716ff575f53a2ef05da2729377a8dfddfe96231b27d87dd22118a", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/find_all_groups_of_farmland.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::min`
[INFO] [stdout]  --> src/find_all_groups_of_farmland.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::cmp::min;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]  --> src/valid_palindrome.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn is_palindrome(s: String) -> bool {
[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 `add_binary` is never used
[INFO] [stdout]  --> src/add_binary.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn add_binary(a: String, b: String) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `single_number` is never used
[INFO] [stdout]  --> src/single_number.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn single_number(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `can_win_nim` is never used
[INFO] [stdout]  --> src/nim_game.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn can_win_nim(n: i32) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_pattern` is never used
[INFO] [stdout]  --> src/word_pattern.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn word_pattern(pattern: String, s: String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_max_consecutive_ones` is never used
[INFO] [stdout]  --> src/max_consecutive_ones.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn find_max_consecutive_ones(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_length_of_lcis` is never used
[INFO] [stdout]  --> src/longest_continuous_increasing_subsequence.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn find_length_of_lcis(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `max_product` is never used
[INFO] [stdout]  --> src/maximum_product_of_two_elements_in_an_array.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn max_product(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_ones_segment` is never used
[INFO] [stdout]  --> src/check_if_binary_string_has_at_most_one_segment_of_ones.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn check_ones_segment(s: String) -> bool {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `count_quadruplets` is never used
[INFO] [stdout]  --> src/count_special_quadruplets.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn count_quadruplets(nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `four_sum` is never used
[INFO] [stdout]  --> src/four_sum.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn four_sum(mut nums: Vec<i32>, target: i32) -> Vec<Vec<i32>> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FOREST` is never used
[INFO] [stdout]  --> src/find_all_groups_of_farmland.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const FOREST: i32 = 0;
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FARMLAND` is never used
[INFO] [stdout]  --> src/find_all_groups_of_farmland.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const FARMLAND: i32 = 1;
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_farmland` is never used
[INFO] [stdout]  --> src/find_all_groups_of_farmland.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn find_farmland(land: Vec<Vec<i32>>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/docode_string.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `decode_string` is never used
[INFO] [stdout]  --> src/docode_string.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn decode_string(s: String) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/valid_parenthesis_string.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `check_valid_string` is never used
[INFO] [stdout]  --> src/valid_parenthesis_string.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn check_valid_string(s: String) -> bool {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/group_the_people_given_the_group_size_they_belong_to.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `group_the_people` is never used
[INFO] [stdout]  --> src/group_the_people_given_the_group_size_they_belong_to.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn group_the_people(group_sizes: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/equal_sum_arrays_with_minimum_number_of_operations.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `min_operations`, `vec_sum`, and `subtract_from_sum` are never used
[INFO] [stdout]   --> src/equal_sum_arrays_with_minimum_number_of_operations.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl Solution {
[INFO] [stdout]    | ------------- associated functions in this implementation
[INFO] [stdout]  9 |     pub fn min_operations(nums1: Vec<i32>, nums2: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn vec_sum(nums: Vec<i32>) -> (Vec<i32>, i32) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn subtract_from_sum(nums: &mut Vec<i32>, nums_sum: &mut i32, diff: i32) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/valid_triangle_number.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `triangle_number` is never used
[INFO] [stdout]  --> src/valid_triangle_number.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn triangle_number(mut nums: Vec<i32>) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/minimum_suffix_flips.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `min_flips` is never used
[INFO] [stdout]  --> src/minimum_suffix_flips.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn min_flips(target: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/rotate_image.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rotate` is never used
[INFO] [stdout]  --> src/rotate_image.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn rotate(matrix: &mut Vec<Vec<i32>>) {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/reverse_substrings_between_each_pair_of_parentheses.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Solution {}
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `reverse_parentheses` is never used
[INFO] [stdout]  --> src/reverse_substrings_between_each_pair_of_parentheses.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn reverse_parentheses(mut s: String) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "0ae8140d104716ff575f53a2ef05da2729377a8dfddfe96231b27d87dd22118a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae8140d104716ff575f53a2ef05da2729377a8dfddfe96231b27d87dd22118a", kill_on_drop: false }`
[INFO] [stdout] 0ae8140d104716ff575f53a2ef05da2729377a8dfddfe96231b27d87dd22118a