[INFO] cloning repository https://github.com/K7NGhost/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/K7NGhost/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK7NGhost%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK7NGhost%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30d6aec42e321a138582b97d2b2fbfbcbaa1d1ad
[INFO] checking K7NGhost/leetcode-rust against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK7NGhost%2Fleetcode-rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/K7NGhost/leetcode-rust
[INFO] finished tweaking git repo https://github.com/K7NGhost/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/K7NGhost/leetcode-rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/K7NGhost/leetcode-rust on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/K7NGhost/leetcode-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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c901a7d78e98ca75d46a509359784117001cd4d9b0d237d2bbbb54aabdcb8d5a
[INFO] running `Command { std: "docker" "start" "c901a7d78e98ca75d46a509359784117001cd4d9b0d237d2bbbb54aabdcb8d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c901a7d78e98ca75d46a509359784117001cd4d9b0d237d2bbbb54aabdcb8d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c901a7d78e98ca75d46a509359784117001cd4d9b0d237d2bbbb54aabdcb8d5a" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c901a7d78e98ca75d46a509359784117001cd4d9b0d237d2bbbb54aabdcb8d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c901a7d78e98ca75d46a509359784117001cd4d9b0d237d2bbbb54aabdcb8d5a" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: invalid character '.' in crate name: `643.maximum_average_subarray_i`
[INFO] [stdout]   |
[INFO] [stdout]   = note: crate names may only contain alphanumeric characters or underscores
[INFO] [stdout]   = help: you might have meant to use `--crate-name=643_maximum_average_subarray_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leetcode-rust` (bin "643.maximum-average-subarray-i") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]   --> src/bin/3longest-substring-without-repeating-characters.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     let s2: String = String::from("pwwkew");
[INFO] [stdout]    |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_string`
[INFO] [stdout]   --> src/bin/20valid-parentheses.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let test_string = String::from("([])");
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_string2`
[INFO] [stdout]   --> src/bin/20valid-parentheses.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     let test_string2 = String::from("(]");
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `test_string3`
[INFO] [stdout]   --> src/bin/20valid-parentheses.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let test_string3 = String::from("()");
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_string3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]  --> src/bin/525contiguous-array.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | 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 `find_max_length` is never used
[INFO] [stdout]   --> src/bin/525contiguous-array.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 10 |     pub fn find_max_length(nums: Vec<i32>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/bin/2225find-players-with-zero-or-one-losses.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |             for i in 0..row.len() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/bin/2225find-players-with-zero-or-one-losses.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |         for (key, val) in winners_dic {
[INFO] [stdout]    |                   ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c901a7d78e98ca75d46a509359784117001cd4d9b0d237d2bbbb54aabdcb8d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c901a7d78e98ca75d46a509359784117001cd4d9b0d237d2bbbb54aabdcb8d5a", kill_on_drop: false }`
[INFO] [stdout] c901a7d78e98ca75d46a509359784117001cd4d9b0d237d2bbbb54aabdcb8d5a
