[INFO] cloning repository https://github.com/CodingInGreen/algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CodingInGreen/algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodingInGreen%2Falgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodingInGreen%2Falgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 564c150ffa60f9af7cc7d5e43a3e3403ac96480d
[INFO] building CodingInGreen/algorithms against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodingInGreen%2Falgorithms" "/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/CodingInGreen/algorithms on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CodingInGreen/algorithms
[INFO] finished tweaking git repo https://github.com/CodingInGreen/algorithms
[INFO] tweaked toml for git repo https://github.com/CodingInGreen/algorithms written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/CodingInGreen/algorithms 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e354540db9bae359a8a30ad63c1bfe130752b8a8837a4067d32d011d8a3112be
[INFO] running `Command { std: "docker" "start" "-a" "e354540db9bae359a8a30ad63c1bfe130752b8a8837a4067d32d011d8a3112be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e354540db9bae359a8a30ad63c1bfe130752b8a8837a4067d32d011d8a3112be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e354540db9bae359a8a30ad63c1bfe130752b8a8837a4067d32d011d8a3112be", kill_on_drop: false }`
[INFO] [stdout] e354540db9bae359a8a30ad63c1bfe130752b8a8837a4067d32d011d8a3112be
[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" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93259ce9e20ce1d3b954ff3aee451b558dcd7ca912640802c6d3178ec7dad703
[INFO] running `Command { std: "docker" "start" "-a" "93259ce9e20ce1d3b954ff3aee451b558dcd7ca912640802c6d3178ec7dad703", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `143_reorder_list`
[INFO] [stdout]    --> bin/143_reorder_list.rs:102:2
[INFO] [stdout]     |
[INFO] [stdout] 102 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `bin/143_reorder_list.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `704_binary_search`
[INFO] [stdout]   --> bin/704_binary_search.rs:52:2
[INFO] [stdout]    |
[INFO] [stdout] 52 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `bin/704_binary_search.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `74_search_a_2d_matrix`
[INFO] [stdout]   --> bin/74_search_a_2d_matrix.rs:88:2
[INFO] [stdout]    |
[INFO] [stdout] 88 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `bin/74_search_a_2d_matrix.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> bin/102_binary_tree_level_order_traversal.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct Solution;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `level_order` is never used
[INFO] [stdout]   --> bin/102_binary_tree_level_order_traversal.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn level_order(root: Option<Rc<RefCell<TreeNode>>>) -> Vec<Vec<i32>> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_tree` is never used
[INFO] [stdout]   --> bin/102_binary_tree_level_order_traversal.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn build_tree(values: Vec<Option<i32>>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `226_invert_binary_tree`
[INFO] [stdout]    --> bin/226_invert_binary_tree.rs:131:2
[INFO] [stdout]     |
[INFO] [stdout] 131 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `bin/226_invert_binary_tree.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> bin/3_longest_substring_without_repeating_characters.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] [stderr] error: could not compile `algorithms` (bin "704_binary_search") due to 1 previous error
[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] [stdout] warning: function `is_alphanumeric` is never used
[INFO] [stdout]   --> bin/125_valid_palindrome.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn is_alphanumeric(c: char) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `to_lowercase` is never used
[INFO] [stdout]   --> bin/125_valid_palindrome.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn to_lowercase(c: char) -> char {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MinStack` is never constructed
[INFO] [stdout]   --> bin/155_min_stack.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct MinStack {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `contains_duplicate` is never used
[INFO] [stdout]  --> bin/217_contains_duplicate.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn contains_duplicate(nums: Vec<i32>) -> bool {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `top_k_frequent` is never used
[INFO] [stdout]  --> bin/347_top_k_frequent_elements.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn top_k_frequent(nums: Vec<i32>, k: i32) -> Vec<i32> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_palindrome` is never used
[INFO] [stdout]   --> bin/125_valid_palindrome.rs:32:4
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn is_palindrome(s: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `length_of_longest_substring` is never used
[INFO] [stdout]  --> bin/3_longest_substring_without_repeating_characters.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 7 |     pub fn length_of_longest_substring(s: String) -> i32 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algorithms` (bin "74_search_a_2d_matrix") due to 1 previous error
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, `top`, and `get_min` are never used
[INFO] [stdout]   --> bin/155_min_stack.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl MinStack {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 26 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn push(&mut self, val: i32) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn pop(&mut self) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn top(&self) -> Option<i32> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn get_min(&self) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algorithms` (bin "143_reorder_list") due to 1 previous error
[INFO] [stdout] error[E0601]: `main` function not found in crate `200_number_of_islands`
[INFO] [stdout]   --> bin/200_number_of_islands.rs:91:2
[INFO] [stdout]    |
[INFO] [stdout] 91 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `bin/200_number_of_islands.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_tree` is never used
[INFO] [stdout]   --> bin/124_binary_tree_maximum_path_sum.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn build_tree(values: Vec<Option<i32>>) -> Option<Rc<RefCell<TreeNode>>> {
[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]  --> bin/15_3sum.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> bin/42_trapping_rain_water.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `trap` is never used
[INFO] [stdout]   --> bin/42_trapping_rain_water.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn trap(height: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `three_sum` is never used
[INFO] [stdout]   --> bin/15_3sum.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 11 |     pub fn three_sum(mut nums: Vec<i32>) -> Vec<Vec<i32>> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algorithms` (bin "200_number_of_islands") due to 1 previous error
[INFO] [stderr] error: could not compile `algorithms` (bin "226_invert_binary_tree") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "93259ce9e20ce1d3b954ff3aee451b558dcd7ca912640802c6d3178ec7dad703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93259ce9e20ce1d3b954ff3aee451b558dcd7ca912640802c6d3178ec7dad703", kill_on_drop: false }`
[INFO] [stdout] 93259ce9e20ce1d3b954ff3aee451b558dcd7ca912640802c6d3178ec7dad703
