[INFO] cloning repository https://github.com/yqy7/rustleetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yqy7/rustleetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyqy7%2Frustleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyqy7%2Frustleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2235d28c0bedb639f2a91fa1b1282e27968a372
[INFO] testing yqy7/rustleetcode against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyqy7%2Frustleetcode" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yqy7/rustleetcode on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yqy7/rustleetcode
[INFO] finished tweaking git repo https://github.com/yqy7/rustleetcode
[INFO] tweaked toml for git repo https://github.com/yqy7/rustleetcode written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/yqy7/rustleetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b64a183ea73cc9f98434d9e8c391b04ae1d3462cfbb62d077e11f8c7f13cc7fa
[INFO] running `Command { std: "docker" "start" "-a" "b64a183ea73cc9f98434d9e8c391b04ae1d3462cfbb62d077e11f8c7f13cc7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b64a183ea73cc9f98434d9e8c391b04ae1d3462cfbb62d077e11f8c7f13cc7fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b64a183ea73cc9f98434d9e8c391b04ae1d3462cfbb62d077e11f8c7f13cc7fa", kill_on_drop: false }`
[INFO] [stdout] b64a183ea73cc9f98434d9e8c391b04ae1d3462cfbb62d077e11f8c7f13cc7fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82f833be1d210bb2b0092efb7c40101a238caa90c51d3e7d2342a781ddb35cab
[INFO] running `Command { std: "docker" "start" "-a" "82f833be1d210bb2b0092efb7c40101a238caa90c51d3e7d2342a781ddb35cab", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustleetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Deref;
[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/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut root = TreeNode::newTreeNode(vec[0].unwrap());
[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: method `fromVec` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn fromVec(vec: Vec<i32>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `from_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `newTreeNode` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn newTreeNode(val: i32) -> Rc<RefCell<TreeNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to snake case: `new_tree_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]   --> src/bin/t104.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `minStack` should have a snake case name
[INFO] [stdout]   --> src/bin/t155.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut minStack = MinStack::new();
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `min_stack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `strList` should have a snake case name
[INFO] [stdout]   --> src/bin/t14.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let strList:Vec<Vec<char>> = strs.iter().map(|s| s.chars().collect() ).collect();
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `str_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustleetcode::options_vec`
[INFO] [stdout]   --> src/bin/t108.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use rustleetcode::options_vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]   --> src/bin/t83.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stdout]    |                   ^^^^^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MAX_LIMIT` should have a snake case name
[INFO] [stdout]   --> src/bin/t7.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (MAX_LIMIT, MIN_LIMIT) = (i32::MAX / 10, i32::MIN / 10);
[INFO] [stdout]    |          ^^^^^^^^^ help: convert the identifier to snake case: `max_limit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MIN_LIMIT` should have a snake case name
[INFO] [stdout]   --> src/bin/t7.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (MAX_LIMIT, MIN_LIMIT) = (i32::MAX / 10, i32::MIN / 10);
[INFO] [stdout]    |                     ^^^^^^^^^ help: convert the identifier to snake case: `min_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut b = a;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.07s
[INFO] running `Command { std: "docker" "inspect" "82f833be1d210bb2b0092efb7c40101a238caa90c51d3e7d2342a781ddb35cab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f833be1d210bb2b0092efb7c40101a238caa90c51d3e7d2342a781ddb35cab", kill_on_drop: false }`
[INFO] [stdout] 82f833be1d210bb2b0092efb7c40101a238caa90c51d3e7d2342a781ddb35cab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3f4e35f0f929d35c8eef631e5cf45d8c1ec6135320751232a7cfac36beb80a5
[INFO] running `Command { std: "docker" "start" "-a" "f3f4e35f0f929d35c8eef631e5cf45d8c1ec6135320751232a7cfac36beb80a5", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustleetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut root = TreeNode::newTreeNode(vec[0].unwrap());
[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: method `fromVec` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn fromVec(vec: Vec<i32>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `from_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `newTreeNode` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn newTreeNode(val: i32) -> Rc<RefCell<TreeNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to snake case: `new_tree_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::ops::Deref;
[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/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         let mut root = TreeNode::newTreeNode(vec[0].unwrap());
[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: method `fromVec` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn fromVec(vec: Vec<i32>) -> Option<Box<ListNode>> {
[INFO] [stdout]    |            ^^^^^^^ help: convert the identifier to snake case: `from_vec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `newTreeNode` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:64:12
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn newTreeNode(val: i32) -> Rc<RefCell<TreeNode>> {
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to snake case: `new_tree_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `b` is never read
[INFO] [stdout]  --> src/main.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let mut b = a;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `minStack` should have a snake case name
[INFO] [stdout]   --> src/bin/t155.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let mut minStack = MinStack::new();
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `min_stack`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `strList` should have a snake case name
[INFO] [stdout]   --> src/bin/t14.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let strList:Vec<Vec<char>> = strs.iter().map(|s| s.chars().collect() ).collect();
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `str_list`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stdout]   --> src/bin/t83.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stdout]    |                   ^^^^^^^^^  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rustleetcode::options_vec`
[INFO] [stdout]   --> src/bin/t108.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use rustleetcode::options_vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]   --> src/bin/t104.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::collections::VecDeque;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MAX_LIMIT` should have a snake case name
[INFO] [stdout]   --> src/bin/t7.rs:53:10
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (MAX_LIMIT, MIN_LIMIT) = (i32::MAX / 10, i32::MIN / 10);
[INFO] [stdout]    |          ^^^^^^^^^ help: convert the identifier to snake case: `max_limit`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `MIN_LIMIT` should have a snake case name
[INFO] [stdout]   --> src/bin/t7.rs:53:21
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let (MAX_LIMIT, MIN_LIMIT) = (i32::MAX / 10, i32::MIN / 10);
[INFO] [stdout]    |                     ^^^^^^^^^ help: convert the identifier to snake case: `min_limit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.23s
[INFO] running `Command { std: "docker" "inspect" "f3f4e35f0f929d35c8eef631e5cf45d8c1ec6135320751232a7cfac36beb80a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3f4e35f0f929d35c8eef631e5cf45d8c1ec6135320751232a7cfac36beb80a5", kill_on_drop: false }`
[INFO] [stdout] f3f4e35f0f929d35c8eef631e5cf45d8c1ec6135320751232a7cfac36beb80a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 410e8eb1a2d188b1f760e1a6cf3b672cfc8fec5fd0cbc92e8d9eaeceaeaaa09c
[INFO] running `Command { std: "docker" "start" "-a" "410e8eb1a2d188b1f760e1a6cf3b672cfc8fec5fd0cbc92e8d9eaeceaeaaa09c", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]  --> src/lib.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::ops::Deref;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |         let mut root = TreeNode::newTreeNode(vec[0].unwrap());
[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: method `fromVec` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn fromVec(vec: Vec<i32>) -> Option<Box<ListNode>> {
[INFO] [stderr]    |            ^^^^^^^ help: convert the identifier to snake case: `from_vec`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `newTreeNode` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:64:12
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn newTreeNode(val: i32) -> Rc<RefCell<TreeNode>> {
[INFO] [stderr]    |            ^^^^^^^^^^^ help: convert the identifier to snake case: `new_tree_node`
[INFO] [stderr] 
[INFO] [stderr] warning: `rustleetcode` (lib) generated 4 warnings
[INFO] [stderr] warning: `rustleetcode` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: unused import: `rustleetcode::options_vec`
[INFO] [stderr]   --> src/bin/t108.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use rustleetcode::options_vec;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustleetcode` (bin "t108" test) generated 1 warning
[INFO] [stderr] warning: variable `minStack` should have a snake case name
[INFO] [stderr]   --> src/bin/t155.rs:49:13
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut minStack = MinStack::new();
[INFO] [stderr]    |             ^^^^^^^^ help: convert the identifier to snake case: `min_stack`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustleetcode` (bin "t155" test) generated 1 warning
[INFO] [stderr] warning: variable `strList` should have a snake case name
[INFO] [stderr]   --> src/bin/t14.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let strList:Vec<Vec<char>> = strs.iter().map(|s| s.chars().collect() ).collect();
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `str_list`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustleetcode` (bin "t14" test) generated 1 warning
[INFO] [stderr] warning: variable `MAX_LIMIT` should have a snake case name
[INFO] [stderr]   --> src/bin/t7.rs:53:10
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let (MAX_LIMIT, MIN_LIMIT) = (i32::MAX / 10, i32::MIN / 10);
[INFO] [stderr]    |          ^^^^^^^^^ help: convert the identifier to snake case: `max_limit`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `MIN_LIMIT` should have a snake case name
[INFO] [stderr]   --> src/bin/t7.rs:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let (MAX_LIMIT, MIN_LIMIT) = (i32::MAX / 10, i32::MIN / 10);
[INFO] [stderr]    |                     ^^^^^^^^^ help: convert the identifier to snake case: `min_limit`
[INFO] [stderr] 
[INFO] [stderr] warning: `rustleetcode` (bin "t7" test) generated 2 warnings
[INFO] [stderr] warning: value assigned to `b` is never read
[INFO] [stderr]  --> src/main.rs:3:13
[INFO] [stderr]   |
[INFO] [stderr] 3 |     let mut b = a;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `rustleetcode` (bin "rustleetcode" test) generated 1 warning
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]   --> src/bin/t104.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | use std::collections::VecDeque;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustleetcode` (bin "t104" test) generated 1 warning
[INFO] [stderr] warning: unused imports: `BorrowMut`, `Borrow`
[INFO] [stderr]   --> src/bin/t83.rs:32:19
[INFO] [stderr]    |
[INFO] [stderr] 32 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stderr]    |                   ^^^^^^^^^  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `rustleetcode` (bin "t83" test) generated 1 warning
[INFO] [stdout] running 0 tests
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustleetcode-1cba13188bd7117d)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustleetcode-2ad54ed049f12b15)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t1-2ab89f06fa380a16)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t100-cf86e6e86c9c3a5b)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t101-748e15ade8e65adc)
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t104-58fccd8cff1a3a64)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t108-6338dc93a58bbf4d)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t110-b44b1256b02478eb)
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[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t112-dee290ecd3f086d4)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t118-2a5a587695b38297)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t122-74fb3ab4aa7e032e)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t20-d29daa5433aaf345)
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[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t26-cf4beaf75745e89b)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t27-3576ccbaf315b917)
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[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustleetcode
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "410e8eb1a2d188b1f760e1a6cf3b672cfc8fec5fd0cbc92e8d9eaeceaeaaa09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410e8eb1a2d188b1f760e1a6cf3b672cfc8fec5fd0cbc92e8d9eaeceaeaaa09c", kill_on_drop: false }`
[INFO] [stdout] 410e8eb1a2d188b1f760e1a6cf3b672cfc8fec5fd0cbc92e8d9eaeceaeaaa09c