[INFO] cloning repository https://github.com/zxiang77/lc-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxiang77/lc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/zxiang77/lc-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxiang77/lc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/zxiang77/lc-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxiang77/lc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/zxiang77/lc-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxiang77/lc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f934f613283d466141dbb5bb8f537e7613127271 [INFO] testing zxiang77/lc-rs against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zxiang77/lc-rs on toolchain 61223975d46f794466efa832bc7562b9707ecc46 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zxiang77/lc-rs [INFO] finished tweaking git repo https://github.com/zxiang77/lc-rs [INFO] tweaked toml for git repo https://github.com/zxiang77/lc-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/zxiang77/lc-rs 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31f605e7f11f22b56a6980b67a65c54f0ef9f85b4d45ce0d487a07f75b402053 [INFO] running `Command { std: "docker" "start" "-a" "31f605e7f11f22b56a6980b67a65c54f0ef9f85b4d45ce0d487a07f75b402053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31f605e7f11f22b56a6980b67a65c54f0ef9f85b4d45ce0d487a07f75b402053", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31f605e7f11f22b56a6980b67a65c54f0ef9f85b4d45ce0d487a07f75b402053", kill_on_drop: false }` [INFO] [stdout] 31f605e7f11f22b56a6980b67a65c54f0ef9f85b4d45ce0d487a07f75b402053 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3a0775c160014c09d7ceef4de84a7fd96b3fc72cdebc98d3b62f286558f49d43 [INFO] running `Command { std: "docker" "start" "-a" "3a0775c160014c09d7ceef4de84a7fd96b3fc72cdebc98d3b62f286558f49d43", kill_on_drop: false }` [INFO] [stderr] Compiling lc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/utils/node.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{RefCell, Ref}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::Borrow` [INFO] [stdout] --> src/utils/node.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use core::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/sol/q1028.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::Borrow` [INFO] [stdout] --> src/sol/q1028.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dep` [INFO] [stdout] --> src/sol/q1028.rs:13:20 [INFO] [stdout] | [INFO] [stdout] 13 | let (node, dep, mut remain) = Solution::parse_next(&s); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dep` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sol/q1028.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | let mut cur = Solution::peek(&stack); [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 `TheDarkKnight` is never constructed [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct TheDarkKnight; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `nothing_is_true` is never used [INFO] [stdout] --> src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl TheDarkKnight { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 10 | fn nothing_is_true(self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/utils/node.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl TreeNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 14 | #[inline] [INFO] [stdout] 15 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/sol/q1028.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Solution { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `recover_from_preorder`, `peek`, and `parse_next` are never used [INFO] [stdout] --> src/sol/q1028.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 12 | pub fn recover_from_preorder(s: String) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn peek(v: &Vec>>) -> Rc> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn parse_next(s: &str) -> (Option>>, usize, &str) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "3a0775c160014c09d7ceef4de84a7fd96b3fc72cdebc98d3b62f286558f49d43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a0775c160014c09d7ceef4de84a7fd96b3fc72cdebc98d3b62f286558f49d43", kill_on_drop: false }` [INFO] [stdout] 3a0775c160014c09d7ceef4de84a7fd96b3fc72cdebc98d3b62f286558f49d43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 044484c34f8b701a7ff36cc4c88c6d434917d2c3ff756ac9be4558359bd5a0e6 [INFO] running `Command { std: "docker" "start" "-a" "044484c34f8b701a7ff36cc4c88c6d434917d2c3ff756ac9be4558359bd5a0e6", kill_on_drop: false }` [INFO] [stderr] Compiling lc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/utils/node.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{RefCell, Ref}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::Borrow` [INFO] [stdout] --> src/utils/node.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use core::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::Borrow` [INFO] [stdout] --> src/sol/q1028.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let mut node2 = TreeNode::new(6); [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: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | let mut node4 = TreeNode::new(3); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | let mut node5 = TreeNode::new(2); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | let mut node2 = TreeNode::new(6); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | let mut node4 = TreeNode::new(4); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | let mut node5 = TreeNode::new(3); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dep` [INFO] [stdout] --> src/sol/q1028.rs:13:20 [INFO] [stdout] | [INFO] [stdout] 13 | let (node, dep, mut remain) = Solution::parse_next(&s); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dep` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sol/q1028.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | let mut cur = Solution::peek(&stack); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TheDarkKnight` is never constructed [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct TheDarkKnight; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `nothing_is_true` is never used [INFO] [stdout] --> src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl TheDarkKnight { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 10 | fn nothing_is_true(self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_single_node` is never used [INFO] [stdout] --> src/utils/node.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | fn get_single_node() -> TreeNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_single_node_tree` is never used [INFO] [stdout] --> src/utils/node.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | fn test_single_node_tree() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "044484c34f8b701a7ff36cc4c88c6d434917d2c3ff756ac9be4558359bd5a0e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "044484c34f8b701a7ff36cc4c88c6d434917d2c3ff756ac9be4558359bd5a0e6", kill_on_drop: false }` [INFO] [stdout] 044484c34f8b701a7ff36cc4c88c6d434917d2c3ff756ac9be4558359bd5a0e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a323916afb65957cd011f78cb2cbf9c736d5a4ae46c6f03e5b33db7fdd93fa7d [INFO] running `Command { std: "docker" "start" "-a" "a323916afb65957cd011f78cb2cbf9c736d5a4ae46c6f03e5b33db7fdd93fa7d", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Ref` [INFO] [stderr] --> src/utils/node.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | use std::cell::{RefCell, Ref}; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/utils/node.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `core::borrow::Borrow` [INFO] [stderr] --> src/sol/q1028.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use core::borrow::Borrow; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:58:13 [INFO] [stderr] | [INFO] [stderr] 58 | let mut node2 = TreeNode::new(6); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | let mut node4 = TreeNode::new(3); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:61:13 [INFO] [stderr] | [INFO] [stderr] 61 | let mut node5 = TreeNode::new(2); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:78:13 [INFO] [stderr] | [INFO] [stderr] 78 | let mut node2 = TreeNode::new(6); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:80:13 [INFO] [stderr] | [INFO] [stderr] 80 | let mut node4 = TreeNode::new(4); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/utils/node.rs:81:13 [INFO] [stderr] | [INFO] [stderr] 81 | let mut node5 = TreeNode::new(3); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `dep` [INFO] [stderr] --> src/sol/q1028.rs:13:20 [INFO] [stderr] | [INFO] [stderr] 13 | let (node, dep, mut remain) = Solution::parse_next(&s); [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_dep` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/sol/q1028.rs:32:25 [INFO] [stderr] | [INFO] [stderr] 32 | let mut cur = Solution::peek(&stack); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: struct `TheDarkKnight` is never constructed [INFO] [stderr] --> src/main.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | struct TheDarkKnight; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method `nothing_is_true` is never used [INFO] [stderr] --> src/main.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 9 | impl TheDarkKnight { [INFO] [stderr] | ------------------ method in this implementation [INFO] [stderr] 10 | fn nothing_is_true(self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `get_single_node` is never used [INFO] [stderr] --> src/utils/node.rs:90:8 [INFO] [stderr] | [INFO] [stderr] 90 | fn get_single_node() -> TreeNode { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `test_single_node_tree` is never used [INFO] [stderr] --> src/utils/node.rs:94:8 [INFO] [stderr] | [INFO] [stderr] 94 | fn test_single_node_tree() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `lc-rs` (bin "lc-rs" test) generated 16 warnings (run `cargo fix --bin "lc-rs" --tests` to apply 11 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lc_rs-7ab392f1b2a5c0a6) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test sol::q1028::q1028_test::test_run ... ok [INFO] [stdout] test utils::node::node_tests::test_complex_tree_equality ... ok [INFO] [stdout] test utils::node::node_tests::test_inequality ... ok [INFO] [stdout] test utils::node::node_tests::test_tree_equality ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "a323916afb65957cd011f78cb2cbf9c736d5a4ae46c6f03e5b33db7fdd93fa7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a323916afb65957cd011f78cb2cbf9c736d5a4ae46c6f03e5b33db7fdd93fa7d", kill_on_drop: false }` [INFO] [stdout] a323916afb65957cd011f78cb2cbf9c736d5a4ae46c6f03e5b33db7fdd93fa7d [INFO] testing zxiang77/lc-rs against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zxiang77/lc-rs on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/zxiang77/lc-rs [INFO] finished tweaking git repo https://github.com/zxiang77/lc-rs [INFO] tweaked toml for git repo https://github.com/zxiang77/lc-rs written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/zxiang77/lc-rs 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b92a1de82d890453dd9d7a38b90db354c24a2fc57b238932765059f9418c4bc1 [INFO] running `Command { std: "docker" "start" "-a" "b92a1de82d890453dd9d7a38b90db354c24a2fc57b238932765059f9418c4bc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b92a1de82d890453dd9d7a38b90db354c24a2fc57b238932765059f9418c4bc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b92a1de82d890453dd9d7a38b90db354c24a2fc57b238932765059f9418c4bc1", kill_on_drop: false }` [INFO] [stdout] b92a1de82d890453dd9d7a38b90db354c24a2fc57b238932765059f9418c4bc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d931b78c6b1f31657c70cfb27f52a3918164163e2de78e7e8d4f0bb376560ff7 [INFO] running `Command { std: "docker" "start" "-a" "d931b78c6b1f31657c70cfb27f52a3918164163e2de78e7e8d4f0bb376560ff7", kill_on_drop: false }` [INFO] [stderr] Compiling lc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/utils/node.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{RefCell, Ref}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::Borrow` [INFO] [stdout] --> src/utils/node.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use core::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/sol/q1028.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::Borrow` [INFO] [stdout] --> src/sol/q1028.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dep` [INFO] [stdout] --> src/sol/q1028.rs:13:20 [INFO] [stdout] | [INFO] [stdout] 13 | let (node, dep, mut remain) = Solution::parse_next(&s); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dep` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sol/q1028.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | let mut cur = Solution::peek(&stack); [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 `TheDarkKnight` is never constructed [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct TheDarkKnight; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `nothing_is_true` is never used [INFO] [stdout] --> src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl TheDarkKnight { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 10 | fn nothing_is_true(self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/utils/node.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl TreeNode { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 14 | #[inline] [INFO] [stdout] 15 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Solution` is never constructed [INFO] [stdout] --> src/sol/q1028.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Solution { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `recover_from_preorder`, `peek`, and `parse_next` are never used [INFO] [stdout] --> src/sol/q1028.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl Solution { [INFO] [stdout] | ------------- associated functions in this implementation [INFO] [stdout] 12 | pub fn recover_from_preorder(s: String) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn peek(v: &Vec>>) -> Rc> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn parse_next(s: &str) -> (Option>>, usize, &str) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "d931b78c6b1f31657c70cfb27f52a3918164163e2de78e7e8d4f0bb376560ff7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d931b78c6b1f31657c70cfb27f52a3918164163e2de78e7e8d4f0bb376560ff7", kill_on_drop: false }` [INFO] [stdout] d931b78c6b1f31657c70cfb27f52a3918164163e2de78e7e8d4f0bb376560ff7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd4d9e606a0ae2cd4b275253678325a54f32369c925685fd06f86f8443b41b89 [INFO] running `Command { std: "docker" "start" "-a" "dd4d9e606a0ae2cd4b275253678325a54f32369c925685fd06f86f8443b41b89", kill_on_drop: false }` [INFO] [stderr] Compiling lc-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/utils/node.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cell::{RefCell, Ref}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::Borrow` [INFO] [stdout] --> src/utils/node.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use core::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::borrow::Borrow` [INFO] [stdout] --> src/sol/q1028.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use core::borrow::Borrow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:58:13 [INFO] [stdout] | [INFO] [stdout] 58 | let mut node2 = TreeNode::new(6); [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: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | let mut node4 = TreeNode::new(3); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:61:13 [INFO] [stdout] | [INFO] [stdout] 61 | let mut node5 = TreeNode::new(2); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | let mut node2 = TreeNode::new(6); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | let mut node4 = TreeNode::new(4); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/utils/node.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | let mut node5 = TreeNode::new(3); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `dep` [INFO] [stdout] --> src/sol/q1028.rs:13:20 [INFO] [stdout] | [INFO] [stdout] 13 | let (node, dep, mut remain) = Solution::parse_next(&s); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_dep` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/sol/q1028.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | let mut cur = Solution::peek(&stack); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TheDarkKnight` is never constructed [INFO] [stdout] --> src/main.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct TheDarkKnight; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `nothing_is_true` is never used [INFO] [stdout] --> src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 9 | impl TheDarkKnight { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] 10 | fn nothing_is_true(self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_single_node` is never used [INFO] [stdout] --> src/utils/node.rs:90:8 [INFO] [stdout] | [INFO] [stdout] 90 | fn get_single_node() -> TreeNode { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_single_node_tree` is never used [INFO] [stdout] --> src/utils/node.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 94 | fn test_single_node_tree() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcrPdbrG/symbols.o" "/opt/rustwide/target/debug/deps/lc_rs-7ab392f1b2a5c0a6.lc_rs.62613a7b73645a7d-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/lc_rs-7ab392f1b2a5c0a6.lc_rs.62613a7b73645a7d-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/lc_rs-7ab392f1b2a5c0a6.lc_rs.62613a7b73645a7d-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/lc_rs-7ab392f1b2a5c0a6.lc_rs.62613a7b73645a7d-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/lc_rs-7ab392f1b2a5c0a6.lc_rs.62613a7b73645a7d-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/lc_rs-7ab392f1b2a5c0a6.57372475zbvzr05w.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-0cd255ee414ee1b7.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-d94d981cfad2e302.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-bc5c85135ebc2d28.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-a783581261810918.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-41777efa78699460.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-c112ec61d40d65ca.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-20279e89ddf4a3cc.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-04ebab3d6657d9b7.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-43ee38a2c180d260.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-d8bc9f4e15c9d54f.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e6b80df35ce800f7.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-e1bb29bdfec551bd.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-7d60d25f346b95e2.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-f568bda7d014913a.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-a759d15c36457a02.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-dd7d06242b5022a0.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f4343bfa39e809a4.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-af1cb76e71c5600e.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8c4c4e24ed6290fa.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-58f5eb9eff701be9.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9686387289eaa322.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-b7903030bc1640bf.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/lc_rs-7ab392f1b2a5c0a6" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-Wl,-O1" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: final link failed: No space left on device [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lc-rs` (bin "lc-rs" test) due to 2 previous errors; 16 warnings emitted [INFO] running `Command { std: "docker" "inspect" "dd4d9e606a0ae2cd4b275253678325a54f32369c925685fd06f86f8443b41b89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd4d9e606a0ae2cd4b275253678325a54f32369c925685fd06f86f8443b41b89", kill_on_drop: false }` [INFO] [stdout] dd4d9e606a0ae2cd4b275253678325a54f32369c925685fd06f86f8443b41b89