[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 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxiang77%2Flc-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/zxiang77/lc-rs on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-13/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: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 97d8b6812fcb1fd120a7beadc659b8a0531f49fef24b142e092d315d5444ccd2 [INFO] running `Command { std: "docker" "start" "-a" "97d8b6812fcb1fd120a7beadc659b8a0531f49fef24b142e092d315d5444ccd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97d8b6812fcb1fd120a7beadc659b8a0531f49fef24b142e092d315d5444ccd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97d8b6812fcb1fd120a7beadc659b8a0531f49fef24b142e092d315d5444ccd2", kill_on_drop: false }` [INFO] [stdout] 97d8b6812fcb1fd120a7beadc659b8a0531f49fef24b142e092d315d5444ccd2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2c8f48761fb501e38c9ce599b38787f620428bdb5bdb653694cad40d1dcf3ea [INFO] running `Command { std: "docker" "start" "-a" "d2c8f48761fb501e38c9ce599b38787f620428bdb5bdb653694cad40d1dcf3ea", 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 is never constructed: `TheDarkKnight` [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: associated function is never used: `nothing_is_true` [INFO] [stdout] --> src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | fn nothing_is_true(self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/utils/node.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new(val: i32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Solution` [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 function is never used: `recover_from_preorder` [INFO] [stdout] --> src/sol/q1028.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn recover_from_preorder(s: String) -> Option>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/sol/q1028.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | fn peek(v: &Vec>>) -> Rc> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parse_next` [INFO] [stdout] --> src/sol/q1028.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | fn parse_next(s: &str) -> (Option>>, usize, &str) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `Command { std: "docker" "inspect" "d2c8f48761fb501e38c9ce599b38787f620428bdb5bdb653694cad40d1dcf3ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2c8f48761fb501e38c9ce599b38787f620428bdb5bdb653694cad40d1dcf3ea", kill_on_drop: false }` [INFO] [stdout] d2c8f48761fb501e38c9ce599b38787f620428bdb5bdb653694cad40d1dcf3ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 694c146c85c68ba372bc73242dc256bb34239530d6a113567e16538dcc50af41 [INFO] running `Command { std: "docker" "start" "-a" "694c146c85c68ba372bc73242dc256bb34239530d6a113567e16538dcc50af41", 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: 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/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: 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 is never constructed: `TheDarkKnight` [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: associated function is never used: `nothing_is_true` [INFO] [stdout] --> src/main.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | fn nothing_is_true(self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `get_single_node` [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 is never used: `test_single_node_tree` [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 [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "694c146c85c68ba372bc73242dc256bb34239530d6a113567e16538dcc50af41", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "694c146c85c68ba372bc73242dc256bb34239530d6a113567e16538dcc50af41", kill_on_drop: false }` [INFO] [stdout] 694c146c85c68ba372bc73242dc256bb34239530d6a113567e16538dcc50af41 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b455495ce13aeacbe0cb7c814db4183403efaf97454da8827cccf17fd67215f4 [INFO] running `Command { std: "docker" "start" "-a" "b455495ce13aeacbe0cb7c814db4183403efaf97454da8827cccf17fd67215f4", 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: 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/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: 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 is never constructed: `TheDarkKnight` [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: associated function is never used: `nothing_is_true` [INFO] [stderr] --> src/main.rs:10:8 [INFO] [stderr] | [INFO] [stderr] 10 | fn nothing_is_true(self) {} [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `get_single_node` [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 is never used: `test_single_node_tree` [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 [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/lc_rs-e808787b8394920d) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test utils::node::node_tests::test_tree_equality ... ok [INFO] [stdout] test utils::node::node_tests::test_inequality ... ok [INFO] [stdout] test sol::q1028::q1028_test::test_run ... ok [INFO] [stdout] test utils::node::node_tests::test_complex_tree_equality ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b455495ce13aeacbe0cb7c814db4183403efaf97454da8827cccf17fd67215f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b455495ce13aeacbe0cb7c814db4183403efaf97454da8827cccf17fd67215f4", kill_on_drop: false }` [INFO] [stdout] b455495ce13aeacbe0cb7c814db4183403efaf97454da8827cccf17fd67215f4