[INFO] cloning repository https://github.com/tur461/rusted-adv-algos
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tur461/rusted-adv-algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftur461%2Frusted-adv-algos", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftur461%2Frusted-adv-algos'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9f1888d5f690bb0045a874ea2633bb8cab08354
[INFO] checking tur461/rusted-adv-algos against master#2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48 for pr-142723
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftur461%2Frusted-adv-algos" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tur461/rusted-adv-algos on toolchain 2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tur461/rusted-adv-algos
[INFO] finished tweaking git repo https://github.com/tur461/rusted-adv-algos
[INFO] tweaked toml for git repo https://github.com/tur461/rusted-adv-algos written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tur461/rusted-adv-algos 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" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6c1c87463eb8e47440e65f862c74454dbe28bb30d275bad13b4de2de99714ac
[INFO] running `Command { std: "docker" "start" "-a" "c6c1c87463eb8e47440e65f862c74454dbe28bb30d275bad13b4de2de99714ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6c1c87463eb8e47440e65f862c74454dbe28bb30d275bad13b4de2de99714ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c1c87463eb8e47440e65f862c74454dbe28bb30d275bad13b4de2de99714ac", kill_on_drop: false }`
[INFO] [stdout] c6c1c87463eb8e47440e65f862c74454dbe28bb30d275bad13b4de2de99714ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2fcf1776b9ccef89993dfe40e9f5c4908e2d2d48" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73da357b38ebceed80d84db065207d1baec374d83aa379fdb0cfb565f3e2d182
[INFO] running `Command { std: "docker" "start" "-a" "73da357b38ebceed80d84db065207d1baec374d83aa379fdb0cfb565f3e2d182", kill_on_drop: false }`
[INFO] [stderr]     Checking adv_algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]  --> src/sliding_win.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/trie_prefix_tree.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, io};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::stdin`
[INFO] [stdout]  --> src/sliding_win.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::stdin;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io`
[INFO] [stdout]  --> src/trie_prefix_tree.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, io};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/trie_prefix_tree.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn insert(mut self, word: String) {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/trie_prefix_tree.rs:40:15
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn search(mut self, word: String) -> bool {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `findLargestSubarraySum_quadratic` is never used
[INFO] [stdout]  --> src/kardanes.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn findLargestSubarraySum_quadratic(v: &Vec<i32>) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `findLargestSubarraySum_linear` is never used
[INFO] [stdout]   --> src/kardanes.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn findLargestSubarraySum_linear(v: &Vec<i32>) -> (i32, usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/sliding_win.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrieNode` is never constructed
[INFO] [stdout]  --> src/trie_prefix_tree.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct TrieNode {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TrieNode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/trie_prefix_tree.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl TrieNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trie` is never constructed
[INFO] [stdout]   --> src/trie_prefix_tree.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Trie {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, and `search` are never used
[INFO] [stdout]   --> src/trie_prefix_tree.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Trie {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 23 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn insert(mut self, word: String) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn search(mut self, word: String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/trie_prefix_tree.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `findLargestSubarraySum_quadratic` should have a snake case name
[INFO] [stdout]  --> src/kardanes.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn findLargestSubarraySum_quadratic(v: &Vec<i32>) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `find_largest_subarray_sum_quadratic`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `findLargestSubarraySum_linear` should have a snake case name
[INFO] [stdout]   --> src/kardanes.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn findLargestSubarraySum_linear(v: &Vec<i32>) -> (i32, usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `find_largest_subarray_sum_linear`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/trie_prefix_tree.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn insert(mut self, word: String) {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/trie_prefix_tree.rs:40:15
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn search(mut self, word: String) -> bool {
[INFO] [stdout]    |               ----^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/sliding_win.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrieNode` is never constructed
[INFO] [stdout]  --> src/trie_prefix_tree.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct TrieNode {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `TrieNode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/trie_prefix_tree.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl TrieNode {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 10 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trie` is never constructed
[INFO] [stdout]   --> src/trie_prefix_tree.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Trie {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, and `search` are never used
[INFO] [stdout]   --> src/trie_prefix_tree.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Trie {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 23 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn insert(mut self, word: String) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |     fn search(mut self, word: String) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/trie_prefix_tree.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `findLargestSubarraySum_quadratic` should have a snake case name
[INFO] [stdout]  --> src/kardanes.rs:2:4
[INFO] [stdout]   |
[INFO] [stdout] 2 | fn findLargestSubarraySum_quadratic(v: &Vec<i32>) -> i32 {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `find_largest_subarray_sum_quadratic`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `findLargestSubarraySum_linear` should have a snake case name
[INFO] [stdout]   --> src/kardanes.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn findLargestSubarraySum_linear(v: &Vec<i32>) -> (i32, usize, usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `find_largest_subarray_sum_linear`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "73da357b38ebceed80d84db065207d1baec374d83aa379fdb0cfb565f3e2d182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73da357b38ebceed80d84db065207d1baec374d83aa379fdb0cfb565f3e2d182", kill_on_drop: false }`
[INFO] [stdout] 73da357b38ebceed80d84db065207d1baec374d83aa379fdb0cfb565f3e2d182