[INFO] cloning repository https://github.com/saidatta/algorithms-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saidatta/algorithms-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaidatta%2Falgorithms-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaidatta%2Falgorithms-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8bbb34907ec87c9ad808fe717c3fa0002fa0bc0
[INFO] checking saidatta/algorithms-rust against master#4008bbdf34b583ce44a467043aae3703afc0a76f for pr-129249-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaidatta%2Falgorithms-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/saidatta/algorithms-rust
[INFO] finished tweaking git repo https://github.com/saidatta/algorithms-rust
[INFO] tweaked toml for git repo https://github.com/saidatta/algorithms-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saidatta/algorithms-rust on toolchain 4008bbdf34b583ce44a467043aae3703afc0a76f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/saidatta/algorithms-rust 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" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `std::cmp::Reverse`
[INFO] [stdout]  --> src/solution/s2530.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::Reverse;
[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::Reverse`
[INFO] [stdout]  --> src/solution/s2530.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::Reverse;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/s2938_separate_black_white.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub 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 `minimum_steps` is never used
[INFO] [stdout]  --> src/solution/s2938_separate_black_white.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 5 |     pub fn minimum_steps(s: String) -> i64 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/solution/s2530.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Solution;
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `max_k_elements` is never used
[INFO] [stdout]  --> src/solution/s2530.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Solution {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |     pub fn max_k_elements(nums: Vec<i32>, k: i32) -> i64 {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "3fb413fb4749bc8fe2d9b82aec028bdc685267be6b3f06efe632e147cc1d52a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fb413fb4749bc8fe2d9b82aec028bdc685267be6b3f06efe632e147cc1d52a8", kill_on_drop: false }`
[INFO] [stdout] 3fb413fb4749bc8fe2d9b82aec028bdc685267be6b3f06efe632e147cc1d52a8
