[INFO] cloning repository https://github.com/Killer545537/RUST_DSA
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Killer545537/RUST_DSA" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiller545537%2FRUST_DSA", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiller545537%2FRUST_DSA'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef5e4741be089362ce87cfdd5d8f7621bf6eded6
[INFO] checking Killer545537/RUST_DSA against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKiller545537%2FRUST_DSA" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Killer545537/RUST_DSA
[INFO] finished tweaking git repo https://github.com/Killer545537/RUST_DSA
[INFO] tweaked toml for git repo https://github.com/Killer545537/RUST_DSA written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Killer545537/RUST_DSA on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Killer545537/RUST_DSA 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e553631ad15064784241a134d927038b7ff39122323f146d7de7bc93c5aa47c4
[INFO] running `Command { std: "docker" "start" "-a" "e553631ad15064784241a134d927038b7ff39122323f146d7de7bc93c5aa47c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e553631ad15064784241a134d927038b7ff39122323f146d7de7bc93c5aa47c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e553631ad15064784241a134d927038b7ff39122323f146d7de7bc93c5aa47c4", kill_on_drop: false }`
[INFO] [stdout] e553631ad15064784241a134d927038b7ff39122323f146d7de7bc93c5aa47c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1eebad127e9b948e3bb8aef2d4e442dba3ef525af002ce87f046a899d2d3aa18
[INFO] running `Command { std: "docker" "start" "-a" "1eebad127e9b948e3bb8aef2d4e442dba3ef525af002ce87f046a899d2d3aa18", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking Data_Structures_Algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `coordinates`
[INFO] [stdout]    --> src/binary_search.rs:562:30
[INFO] [stdout]     |
[INFO] [stdout] 562 | pub fn minimize_max_distance(coordinates: &[f32], new_stations: i32) { //The new gas stations can be placed between two coordinates...
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_stations`
[INFO] [stdout]    --> src/binary_search.rs:562:51
[INFO] [stdout]     |
[INFO] [stdout] 562 | ...oordinates: &[f32], new_stations: i32) { //The new gas stations can be placed between two coordinates such that it is fractional
[INFO] [stdout]     |                        ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_stations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/binary_tress.rs:269:27
[INFO] [stdout]     |
[INFO] [stdout] 269 | pub fn vertical_traversal(root: Option<Rc<RefCell<Node>>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/binary_tress.rs:441:19
[INFO] [stdout]     |
[INFO] [stdout] 441 | pub fn distance_k(root: Option<Rc<RefCell<Node>>>, target: Option<Rc<RefCell<Node>>>, k: i32) -> Vec<i32> {
[INFO] [stdout]     |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/binary_tress.rs:441:52
[INFO] [stdout]     |
[INFO] [stdout] 441 | pub fn distance_k(root: Option<Rc<RefCell<Node>>>, target: Option<Rc<RefCell<Node>>>, k: i32) -> Vec<i32> {
[INFO] [stdout]     |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/binary_tress.rs:441:87
[INFO] [stdout]     |
[INFO] [stdout] 441 | pub fn distance_k(root: Option<Rc<RefCell<Node>>>, target: Option<Rc<RefCell<Node>>>, k: i32) -> Vec<i32> {
[INFO] [stdout]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `r` is assigned to, but never used
[INFO] [stdout]    --> src/two_pointer.rs:280:17
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let (mut l, mut r) = (0, 0);
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_r` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/two_pointer.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         r = i;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/graphs.rs:1261:25
[INFO] [stdout]      |
[INFO] [stdout] 1261 |             if let Some(mut weight) = positive_graph[u][v] {
[INFO] [stdout]      |                         ----^^^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `ListNode` is more private than the item `add_two_numbers`
[INFO] [stdout]    --> src/linked_lists.rs:160:1
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `add_two_numbers` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `ListNode` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/linked_lists.rs:132:1
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct ListNode {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coordinates`
[INFO] [stdout]    --> src/binary_search.rs:562:30
[INFO] [stdout]     |
[INFO] [stdout] 562 | pub fn minimize_max_distance(coordinates: &[f32], new_stations: i32) { //The new gas stations can be placed between two coordinates...
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_coordinates`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_stations`
[INFO] [stdout]    --> src/binary_search.rs:562:51
[INFO] [stdout]     |
[INFO] [stdout] 562 | ...oordinates: &[f32], new_stations: i32) { //The new gas stations can be placed between two coordinates such that it is fractional
[INFO] [stdout]     |                        ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_stations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/binary_tress.rs:269:27
[INFO] [stdout]     |
[INFO] [stdout] 269 | pub fn vertical_traversal(root: Option<Rc<RefCell<Node>>>) -> Vec<Vec<i32>> {
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/binary_tress.rs:441:19
[INFO] [stdout]     |
[INFO] [stdout] 441 | pub fn distance_k(root: Option<Rc<RefCell<Node>>>, target: Option<Rc<RefCell<Node>>>, k: i32) -> Vec<i32> {
[INFO] [stdout]     |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/binary_tress.rs:441:52
[INFO] [stdout]     |
[INFO] [stdout] 441 | pub fn distance_k(root: Option<Rc<RefCell<Node>>>, target: Option<Rc<RefCell<Node>>>, k: i32) -> Vec<i32> {
[INFO] [stdout]     |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/binary_tress.rs:441:87
[INFO] [stdout]     |
[INFO] [stdout] 441 | pub fn distance_k(root: Option<Rc<RefCell<Node>>>, target: Option<Rc<RefCell<Node>>>, k: i32) -> Vec<i32> {
[INFO] [stdout]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `r` is assigned to, but never used
[INFO] [stdout]    --> src/two_pointer.rs:280:17
[INFO] [stdout]     |
[INFO] [stdout] 280 |     let (mut l, mut r) = (0, 0);
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_r` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `r` is never read
[INFO] [stdout]    --> src/two_pointer.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         r = i;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/graphs.rs:1261:25
[INFO] [stdout]      |
[INFO] [stdout] 1261 |             if let Some(mut weight) = positive_graph[u][v] {
[INFO] [stdout]      |                         ----^^^^^^
[INFO] [stdout]      |                         |
[INFO] [stdout]      |                         help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `linked_lists::ListNode` is more private than the item `linked_lists::add_two_numbers`
[INFO] [stdout]    --> src/linked_lists.rs:160:1
[INFO] [stdout]     |
[INFO] [stdout] 160 | pub fn add_two_numbers(l1: Option<Box<ListNode>>, l2: Option<Box<ListNode>>) -> Option<Box<ListNode>> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ function `linked_lists::add_two_numbers` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `linked_lists::ListNode` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/linked_lists.rs:132:1
[INFO] [stdout]     |
[INFO] [stdout] 132 | struct ListNode {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.15s
[INFO] running `Command { std: "docker" "inspect" "1eebad127e9b948e3bb8aef2d4e442dba3ef525af002ce87f046a899d2d3aa18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eebad127e9b948e3bb8aef2d4e442dba3ef525af002ce87f046a899d2d3aa18", kill_on_drop: false }`
[INFO] [stdout] 1eebad127e9b948e3bb8aef2d4e442dba3ef525af002ce87f046a899d2d3aa18
