[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] checking CodingInGreen/algorithms against master#f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b for pr-148329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodingInGreen%2Falgorithms" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CodingInGreen/algorithms on toolchain f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c29d8e324a1b8393e5a44e7bc9ddb1a3463966f06954ed1c7dfa267eaa64101
[INFO] running `Command { std: "docker" "start" "-a" "8c29d8e324a1b8393e5a44e7bc9ddb1a3463966f06954ed1c7dfa267eaa64101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c29d8e324a1b8393e5a44e7bc9ddb1a3463966f06954ed1c7dfa267eaa64101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c29d8e324a1b8393e5a44e7bc9ddb1a3463966f06954ed1c7dfa267eaa64101", kill_on_drop: false }`
[INFO] [stdout] 8c29d8e324a1b8393e5a44e7bc9ddb1a3463966f06954ed1c7dfa267eaa64101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f5711a55f5d5e2f942057d0f6d648dd2d8b2c37b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08bd9bb45cd0df1d9b943577e96c84b40193fc0af6ab6409146251adab5fe136
[INFO] running `Command { std: "docker" "start" "-a" "08bd9bb45cd0df1d9b943577e96c84b40193fc0af6ab6409146251adab5fe136", kill_on_drop: false }`
[INFO] [stderr]     Checking algorithms v0.1.0 (/opt/rustwide/workdir)
[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] 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] 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)]` (part of `#[warn(unused)]`) 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] [stderr] error: could not compile `algorithms` (bin "74_search_a_2d_matrix") due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: function `is_anagram` is never used
[INFO] [stdout]   --> bin/242_valid_anagram.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn is_anagram(s: &str, t: &str) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `algorithms` (bin "704_binary_search") due to 1 previous error
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] [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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_tree` is never used
[INFO] [stdout]   --> bin/230_kth_smallest_element_in_a_bst.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn build_tree(values: Vec<Option<i32>>) -> Option<Rc<RefCell<TreeNode>>> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[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] running `Command { std: "docker" "inspect" "08bd9bb45cd0df1d9b943577e96c84b40193fc0af6ab6409146251adab5fe136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08bd9bb45cd0df1d9b943577e96c84b40193fc0af6ab6409146251adab5fe136", kill_on_drop: false }`
[INFO] [stdout] 08bd9bb45cd0df1d9b943577e96c84b40193fc0af6ab6409146251adab5fe136
