[INFO] cloning repository https://github.com/euclidr/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/euclidr/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidr%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidr%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd9e1e88018576c11c72e8c294aab6808f0d78f1
[INFO] checking euclidr/leetcode against master#4008bbdf34b583ce44a467043aae3703afc0a76f for pr-129249-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feuclidr%2Fleetcode" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/euclidr/leetcode
[INFO] finished tweaking git repo https://github.com/euclidr/leetcode
[INFO] tweaked toml for git repo https://github.com/euclidr/leetcode written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/euclidr/leetcode 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/euclidr/leetcode 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 }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: examples
[INFO] [stderr] warning: `leetcode` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 }`
[INFO] [stdout] 767bbd16e6eec6c2f54314a42158b1565b681ae29085af900875095044139853
[INFO] running `Command { std: "docker" "start" "767bbd16e6eec6c2f54314a42158b1565b681ae29085af900875095044139853", 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" "767bbd16e6eec6c2f54314a42158b1565b681ae29085af900875095044139853" "/opt/rustwide/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "767bbd16e6eec6c2f54314a42158b1565b681ae29085af900875095044139853", 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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "767bbd16e6eec6c2f54314a42158b1565b681ae29085af900875095044139853" "/opt/rustwide/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: unused manifest key: examples
[INFO] [stderr] warning: `leetcode` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> examples/p710.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | /             match self.blacklist.binary_search(&rs) {
[INFO] [stdout] 54 | |                 Ok(_) => continue,
[INFO] [stdout] 55 | |                 Err(_) => return rs,
[INFO] [stdout] 56 | |             }
[INFO] [stdout]    | |_____________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout] ...
[INFO] [stdout] 59 |           unreachable!()
[INFO] [stdout]    |           ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]   --> examples/p710.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn new(N: i32, mut blacklist: Vec<i32>) -> Self {
[INFO] [stdout]    |            ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> examples/p1094.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Solution` is never constructed
[INFO] [stdout]   --> examples/p437.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | 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 `path_sum` is never used
[INFO] [stdout]   --> examples/p437.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Solution {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 26 |     pub fn path_sum(root: Option<Rc<RefCell<TreeNode>>>, sum: i32) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "767bbd16e6eec6c2f54314a42158b1565b681ae29085af900875095044139853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "767bbd16e6eec6c2f54314a42158b1565b681ae29085af900875095044139853", kill_on_drop: false }`
[INFO] [stdout] 767bbd16e6eec6c2f54314a42158b1565b681ae29085af900875095044139853
