[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 try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyqy7%2Frustleetcode" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yqy7/rustleetcode on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-9/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c76d2e5e3086f91a261cceef5f0d850b1e7ac952ea9e85ab3fbcec6480583302
[INFO] running `Command { std: "docker" "start" "-a" "c76d2e5e3086f91a261cceef5f0d850b1e7ac952ea9e85ab3fbcec6480583302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c76d2e5e3086f91a261cceef5f0d850b1e7ac952ea9e85ab3fbcec6480583302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76d2e5e3086f91a261cceef5f0d850b1e7ac952ea9e85ab3fbcec6480583302", kill_on_drop: false }`
[INFO] [stdout] c76d2e5e3086f91a261cceef5f0d850b1e7ac952ea9e85ab3fbcec6480583302
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c345ecf1612b353f106725db6b7547715f9393b1c3331987ad67730dd34eb5a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c345ecf1612b353f106725db6b7547715f9393b1c3331987ad67730dd34eb5a", 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: 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: 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: 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: 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: 2 warnings emitted
[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: 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: 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 15.68s
[INFO] running `Command { std: "docker" "inspect" "0c345ecf1612b353f106725db6b7547715f9393b1c3331987ad67730dd34eb5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c345ecf1612b353f106725db6b7547715f9393b1c3331987ad67730dd34eb5a", kill_on_drop: false }`
[INFO] [stdout] 0c345ecf1612b353f106725db6b7547715f9393b1c3331987ad67730dd34eb5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] be97eed2660325506279017099eef44007951530660566bab81afa3637d64fca
[INFO] running `Command { std: "docker" "start" "-a" "be97eed2660325506279017099eef44007951530660566bab81afa3637d64fca", 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] [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] [stderr]    Compiling rustleetcode v0.1.0 (/opt/rustwide/workdir)
[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::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 `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: 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: 1 warning emitted
[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: 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 `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: 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: 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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 19.46s
[INFO] running `Command { std: "docker" "inspect" "be97eed2660325506279017099eef44007951530660566bab81afa3637d64fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be97eed2660325506279017099eef44007951530660566bab81afa3637d64fca", kill_on_drop: false }`
[INFO] [stdout] be97eed2660325506279017099eef44007951530660566bab81afa3637d64fca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 822d13957ef6bc2d6be9488fec35caf7389e9c1c8eac5fe8c2fbc027ca607503
[INFO] running `Command { std: "docker" "start" "-a" "822d13957ef6bc2d6be9488fec35caf7389e9c1c8eac5fe8c2fbc027ca607503", 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: 4 warnings emitted
[INFO] [stderr] 
[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: 4 warnings emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[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] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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: 2 warnings emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustleetcode-1b021e36b997beb3)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustleetcode-0315de8cd25ec144)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t1-9a0956eb511cb37a)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t100-85b7f19459ac965a)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
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[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
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[INFO] [stdout] running 0 tests
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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/t101-d8cb73f442df9dbc)
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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-c3bbb1c4b202f71b)
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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/t108-4f04dae6249a38c9)
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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/t111-c732c09704cb756c)
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[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t112-cdd4d6facf42f16a)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t118-cc45df01903bb2f1)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t119-848e072a2fc82fd5)
[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] [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/t121-2d02efb9fb13ee16)
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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/t125-c48c56088ec7ca61)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t13-d40b379cbdc8ff61)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t136-8257cc3e7adc9965)
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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/t155-d08e14bd3220f2e4)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t20-c6640b9ec7f1908c)
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[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/t26-5bb2013838ec400b)
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[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustleetcode
[INFO] [stdout] 
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[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "822d13957ef6bc2d6be9488fec35caf7389e9c1c8eac5fe8c2fbc027ca607503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822d13957ef6bc2d6be9488fec35caf7389e9c1c8eac5fe8c2fbc027ca607503", kill_on_drop: false }`
[INFO] [stdout] 822d13957ef6bc2d6be9488fec35caf7389e9c1c8eac5fe8c2fbc027ca607503