[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#3f6250a7bb79e600d9036bbc7c8f65af43933643 for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCodingInGreen%2Falgorithms" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CodingInGreen/algorithms on toolchain 3f6250a7bb79e600d9036bbc7c8f65af43933643
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "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" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cda10dace9077d6373db99d1377e48d45817b749eefe894cc2f9abcb9930a3b
[INFO] running `Command { std: "docker" "start" "-a" "0cda10dace9077d6373db99d1377e48d45817b749eefe894cc2f9abcb9930a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cda10dace9077d6373db99d1377e48d45817b749eefe894cc2f9abcb9930a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cda10dace9077d6373db99d1377e48d45817b749eefe894cc2f9abcb9930a3b", kill_on_drop: false }`
[INFO] [stdout] 0cda10dace9077d6373db99d1377e48d45817b749eefe894cc2f9abcb9930a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a02e8eaa274467962140d95c251a7cf54e0fe7639668577c81b03e0bae1d9315
[INFO] running `Command { std: "docker" "start" "-a" "a02e8eaa274467962140d95c251a7cf54e0fe7639668577c81b03e0bae1d9315", kill_on_drop: false }`
[INFO] [stderr]     Checking algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TimeMap` is never constructed
[INFO] [stdout]   --> bin/981_time_based_key-value_store.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct TimeMap {
[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`, `set`, and `get` are never used
[INFO] [stdout]   --> bin/981_time_based_key-value_store.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl TimeMap {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 25 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn set(&mut self, key: String, value: String, timestamp: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn get(&self, key: String, timestamp: i32) -> String {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[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)]` (part of `#[warn(unused)]`) 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: 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] error[E0601]: `main` function not found in crate `235_lowest_common_ancestor_of_a_binary_search_tree`
[INFO] [stdout]    --> bin/235_lowest_common_ancestor_of_a_binary_search_tree.rs:130:2
[INFO] [stdout]     |
[INFO] [stdout] 130 | }
[INFO] [stdout]     |  ^ consider adding a `main` function to `bin/235_lowest_common_ancestor_of_a_binary_search_tree.rs`
[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 "235_lowest_common_ancestor_of_a_binary_search_tree") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> bin/238_product_of_array_except_self.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | 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 `product_except_self` is never used
[INFO] [stdout]   --> bin/238_product_of_array_except_self.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 15 |     fn product_except_self(nums: Vec<i32>) -> Vec<i32> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a02e8eaa274467962140d95c251a7cf54e0fe7639668577c81b03e0bae1d9315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02e8eaa274467962140d95c251a7cf54e0fe7639668577c81b03e0bae1d9315", kill_on_drop: false }`
[INFO] [stdout] a02e8eaa274467962140d95c251a7cf54e0fe7639668577c81b03e0bae1d9315
