[INFO] cloning repository https://github.com/vihu/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/vihu/leetcode_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvihu%2Fleetcode_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvihu%2Fleetcode_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 61395d5fbf7bbaade6b419fb485e4dc8a04b06c2 [INFO] checking vihu/leetcode_rust against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvihu%2Fleetcode_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/vihu/leetcode_rust [INFO] finished tweaking git repo https://github.com/vihu/leetcode_rust [INFO] tweaked toml for git repo https://github.com/vihu/leetcode_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/vihu/leetcode_rust on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/vihu/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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4c6dfc622a97a1e8ba2886f4e68c969d63fe2a0b452dddaa0e49311e5a8f7f6 [INFO] running `Command { std: "docker" "start" "-a" "b4c6dfc622a97a1e8ba2886f4e68c969d63fe2a0b452dddaa0e49311e5a8f7f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4c6dfc622a97a1e8ba2886f4e68c969d63fe2a0b452dddaa0e49311e5a8f7f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4c6dfc622a97a1e8ba2886f4e68c969d63fe2a0b452dddaa0e49311e5a8f7f6", kill_on_drop: false }` [INFO] [stdout] b4c6dfc622a97a1e8ba2886f4e68c969d63fe2a0b452dddaa0e49311e5a8f7f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bec7202f8037104282591ca76f6f46f572446b81e72eb4d32f0ff4cff1963803 [INFO] running `Command { std: "docker" "start" "-a" "bec7202f8037104282591ca76f6f46f572446b81e72eb4d32f0ff4cff1963803", kill_on_drop: false }` [INFO] [stderr] Checking leetcode_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/google/p56.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | let top = stack[(stack.len() - 1)].clone(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 32 - let top = stack[(stack.len() - 1)].clone(); [INFO] [stdout] 32 + let top = stack[stack.len() - 1].clone(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/google/p56.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | let top = stack[(stack.len() - 1)].clone(); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 32 - let top = stack[(stack.len() - 1)].clone(); [INFO] [stdout] 32 + let top = stack[stack.len() - 1].clone(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `MinStack` is never constructed [INFO] [stdout] --> src/google/p155.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct MinStack { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `items` and `min_items` are never read [INFO] [stdout] --> src/google/p155.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | pub struct MinStack { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 23 | items: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 24 | min_items: Vec, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MinStack` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `push`, `pop`, `top`, `get_min`, and `len` are never used [INFO] [stdout] --> src/google/p155.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 27 | impl MinStack { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] 28 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn push(&mut self, x: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn pop(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn top(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | fn get_min(&self) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `leetcode_rust` (bin "leetcode_rust") due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "bec7202f8037104282591ca76f6f46f572446b81e72eb4d32f0ff4cff1963803", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bec7202f8037104282591ca76f6f46f572446b81e72eb4d32f0ff4cff1963803", kill_on_drop: false }` [INFO] [stdout] bec7202f8037104282591ca76f6f46f572446b81e72eb4d32f0ff4cff1963803