[INFO] cloning repository https://github.com/Trojanking123/leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Trojanking123/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrojanking123%2Fleetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrojanking123%2Fleetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ef283feb15d6556243b00b4e8abbb3903efe61b5 [INFO] checking Trojanking123/leetcode/ef283feb15d6556243b00b4e8abbb3903efe61b5 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTrojanking123%2Fleetcode" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Trojanking123/leetcode on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Trojanking123/leetcode [INFO] finished tweaking git repo https://github.com/Trojanking123/leetcode [INFO] tweaked toml for git repo https://github.com/Trojanking123/leetcode written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Trojanking123/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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01d4e8702e6d1765885a2ec8168c70feb2a8e1fb25ca38451cbc77e40223392f [INFO] running `Command { std: "docker" "start" "-a" "01d4e8702e6d1765885a2ec8168c70feb2a8e1fb25ca38451cbc77e40223392f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01d4e8702e6d1765885a2ec8168c70feb2a8e1fb25ca38451cbc77e40223392f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01d4e8702e6d1765885a2ec8168c70feb2a8e1fb25ca38451cbc77e40223392f", kill_on_drop: false }` [INFO] [stdout] 01d4e8702e6d1765885a2ec8168c70feb2a8e1fb25ca38451cbc77e40223392f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7026635a1ea9d21021d10de75940b7cd3d318ea280a83a28e0705fabb3b45b9 [INFO] running `Command { std: "docker" "start" "-a" "d7026635a1ea9d21021d10de75940b7cd3d318ea280a83a28e0705fabb3b45b9", kill_on_drop: false }` [INFO] [stderr] Checking leetcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `PartialEq` [INFO] [stdout] --> src/p0023.rs:27:31 [INFO] [stdout] | [INFO] [stdout] 27 | use std::cmp::{Ord, Ordering, PartialEq}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/p0086.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `partition` is never used [INFO] [stdout] --> src/p0086.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | pub fn partition(head: Option>, x: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/p0021.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `merge_two_lists` is never used [INFO] [stdout] --> src/p0021.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 7 | pub fn merge_two_lists(list1: Option>, list2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/list.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PartialEq` [INFO] [stdout] --> src/p0023.rs:27:31 [INFO] [stdout] | [INFO] [stdout] 27 | use std::cmp::{Ord, Ordering, PartialEq}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/p0019.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut n = n; [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: struct `Solution` is never constructed [INFO] [stdout] --> src/p0019.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/list.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/p0023.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `merge_two_lists`, `merge_k_lists1`, `merge_k_lists`, and `merge_k_lists3` are never used [INFO] [stdout] --> src/p0023.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 45 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 46 | pub fn merge_two_lists( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn merge_k_lists1(lists: Vec>>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | pub fn merge_k_lists(lists: Vec>>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | pub fn merge_k_lists3(lists: Vec>>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/list.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `remove_nth_from_end` is never used [INFO] [stdout] --> src/p0019.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | pub fn remove_nth_from_end(head: Option>, n: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/list.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/p0021.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `merge_two_lists` is never used [INFO] [stdout] --> src/p0021.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 6 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 7 | pub fn merge_two_lists(list1: Option>, list2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/list.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/p0086.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `partition` is never used [INFO] [stdout] --> src/p0086.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | pub fn partition(head: Option>, x: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/list.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/p0023.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `merge_two_lists`, `merge_k_lists1`, `merge_k_lists`, and `merge_k_lists3` are never used [INFO] [stdout] --> src/p0023.rs:46:12 [INFO] [stdout] | [INFO] [stdout] 45 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 46 | pub fn merge_two_lists( [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 73 | pub fn merge_k_lists1(lists: Vec>>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | pub fn merge_k_lists(lists: Vec>>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | pub fn merge_k_lists3(lists: Vec>>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/list.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/p0019.rs:15:13 [INFO] [stdout] | [INFO] [stdout] 15 | let mut n = n; [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: struct `Solution` is never constructed [INFO] [stdout] --> src/p0019.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Solution; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `remove_nth_from_end` is never used [INFO] [stdout] --> src/p0019.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 8 | impl Solution { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 9 | pub fn remove_nth_from_end(head: Option>, n: i32) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/list.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 7 | impl ListNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 8 | #[inline] [INFO] [stdout] 9 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "d7026635a1ea9d21021d10de75940b7cd3d318ea280a83a28e0705fabb3b45b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7026635a1ea9d21021d10de75940b7cd3d318ea280a83a28e0705fabb3b45b9", kill_on_drop: false }` [INFO] [stdout] d7026635a1ea9d21021d10de75940b7cd3d318ea280a83a28e0705fabb3b45b9