[INFO] cloning repository https://github.com/Shubham076/DS-Rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shubham076/DS-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubham076%2FDS-Rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubham076%2FDS-Rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 738572feeca8ca558eca457d7440eebf8968c52a [INFO] testing Shubham076/DS-Rust against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShubham076%2FDS-Rust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Shubham076/DS-Rust [INFO] finished tweaking git repo https://github.com/Shubham076/DS-Rust [INFO] tweaked toml for git repo https://github.com/Shubham076/DS-Rust written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Shubham076/DS-Rust on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Shubham076/DS-Rust 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5f4e73a5480be574a539a415a7a20e0ca5d9366ac13f157f672eaad229b0dcf5 [INFO] running `Command { std: "docker" "start" "-a" "5f4e73a5480be574a539a415a7a20e0ca5d9366ac13f157f672eaad229b0dcf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5f4e73a5480be574a539a415a7a20e0ca5d9366ac13f157f672eaad229b0dcf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f4e73a5480be574a539a415a7a20e0ca5d9366ac13f157f672eaad229b0dcf5", kill_on_drop: false }` [INFO] [stdout] 5f4e73a5480be574a539a415a7a20e0ca5d9366ac13f157f672eaad229b0dcf5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e93db3276615cbd4ba629c1c8b7dcea3b4fa92dad608c3e3646a4ce117b794f [INFO] running `Command { std: "docker" "start" "-a" "6e93db3276615cbd4ba629c1c8b7dcea3b4fa92dad608c3e3646a4ce117b794f", kill_on_drop: false }` [INFO] [stderr] Compiling practise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/datastructures/linked_list/node.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/datastructures/linked_list/node.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `run::run` [INFO] [stdout] --> src/datastructures/linked_list/mod.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub use run::run; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/datastructures/binary_tree/run.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/datastructures/linked_list/linked_list_1.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | for i in 0.. index { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/datastructures/linked_list/linked_list_1.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/datastructures/linked_list/linked_list_1.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | for i in 0.. index - 1 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | for i in 0.. index { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/datastructures/binary_tree/tree.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | let mut node = q.pop_back().unwrap(); [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_list_2::Node` is more private than the item `linked_list_2::LinkedList::get_node_at` [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn get_node_at(&self, index: i32) -> Option{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `linked_list_2::LinkedList::get_node_at` is reachable at visibility `pub(in crate::datastructures::linked_list)` [INFO] [stdout] | [INFO] [stdout] note: but type `linked_list_2::Node` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print` is never used [INFO] [stdout] --> src/datastructures/linked_list/run.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn print(head: Option>) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/datastructures/linked_list/run.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinkedList` is never constructed [INFO] [stdout] --> src/datastructures/linked_list/linked_list_1.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) struct LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/datastructures/linked_list/linked_list_1.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl LinkedList { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 10 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub fn size(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn add_first(&mut self, data: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn add_last(&mut self, data: i32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn get_node_at(&mut self, index: i32) -> Option<&mut Box>{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn remove_last(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | pub fn remove_first(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn remove(&mut self, index: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn reverse(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `NodeRef` is never used [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | type NodeRef = Rc>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 11 | pub fn new(data: i32, next: Option) -> NodeRef { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinkedList` is never constructed [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl LinkedList { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 23 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn size(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn print_addresses(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn add_first(&mut self, data: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn add_last(&mut self, data: i32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn get_node_at(&self, index: i32) -> Option{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/datastructures/linked_list/node.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/datastructures/linked_list/node.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 10 | pub fn new(data: i32, next: Option>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.40s [INFO] running `Command { std: "docker" "inspect" "6e93db3276615cbd4ba629c1c8b7dcea3b4fa92dad608c3e3646a4ce117b794f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e93db3276615cbd4ba629c1c8b7dcea3b4fa92dad608c3e3646a4ce117b794f", kill_on_drop: false }` [INFO] [stdout] 6e93db3276615cbd4ba629c1c8b7dcea3b4fa92dad608c3e3646a4ce117b794f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0167034bad0a4c551d4d659a0045daf2577fdc6651944d7df74d35c36d517d3c [INFO] running `Command { std: "docker" "start" "-a" "0167034bad0a4c551d4d659a0045daf2577fdc6651944d7df74d35c36d517d3c", kill_on_drop: false }` [INFO] [stderr] Compiling practise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/datastructures/linked_list/node.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/datastructures/linked_list/node.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `run::run` [INFO] [stdout] --> src/datastructures/linked_list/mod.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub use run::run; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt::format` [INFO] [stdout] --> src/datastructures/binary_tree/run.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt::format; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/datastructures/linked_list/linked_list_1.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | for i in 0.. index { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/datastructures/linked_list/linked_list_1.rs:77:13 [INFO] [stdout] | [INFO] [stdout] 77 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/datastructures/linked_list/linked_list_1.rs:103:17 [INFO] [stdout] | [INFO] [stdout] 103 | for i in 0.. index - 1 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | for i in 0.. index { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/datastructures/binary_tree/tree.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | let mut node = q.pop_back().unwrap(); [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_list_2::Node` is more private than the item `linked_list_2::LinkedList::get_node_at` [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:86:5 [INFO] [stdout] | [INFO] [stdout] 86 | pub fn get_node_at(&self, index: i32) -> Option{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `linked_list_2::LinkedList::get_node_at` is reachable at visibility `pub(in crate::datastructures::linked_list)` [INFO] [stdout] | [INFO] [stdout] note: but type `linked_list_2::Node` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print` is never used [INFO] [stdout] --> src/datastructures/linked_list/run.rs:5:4 [INFO] [stdout] | [INFO] [stdout] 5 | fn print(head: Option>) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/datastructures/linked_list/run.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinkedList` is never constructed [INFO] [stdout] --> src/datastructures/linked_list/linked_list_1.rs:3:20 [INFO] [stdout] | [INFO] [stdout] 3 | pub(crate) struct LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/datastructures/linked_list/linked_list_1.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl LinkedList { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 10 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | pub fn size(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 18 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn add_first(&mut self, data: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | pub fn add_last(&mut self, data: i32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn get_node_at(&mut self, index: i32) -> Option<&mut Box>{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 74 | pub fn remove_last(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | pub fn remove_first(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | pub fn remove(&mut self, index: i32) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn reverse(&mut self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `NodeRef` is never used [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:8:6 [INFO] [stdout] | [INFO] [stdout] 8 | type NodeRef = Rc>; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 11 | pub fn new(data: i32, next: Option) -> NodeRef { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `LinkedList` is never constructed [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub struct LinkedList { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/datastructures/linked_list/linked_list_2.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 22 | impl LinkedList { [INFO] [stdout] | --------------- associated items in this implementation [INFO] [stdout] 23 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub fn size(&self) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | pub fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn print_addresses(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 50 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn add_first(&mut self, data: i32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn add_last(&mut self, data: i32) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn get_node_at(&self, index: i32) -> Option{ [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/datastructures/linked_list/node.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/datastructures/linked_list/node.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 9 | impl Node { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 10 | pub fn new(data: i32, next: Option>) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "0167034bad0a4c551d4d659a0045daf2577fdc6651944d7df74d35c36d517d3c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0167034bad0a4c551d4d659a0045daf2577fdc6651944d7df74d35c36d517d3c", kill_on_drop: false }` [INFO] [stdout] 0167034bad0a4c551d4d659a0045daf2577fdc6651944d7df74d35c36d517d3c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3e04954eef30ed7141526b79963e609524b6a25c6be70892d376c965330af8a9 [INFO] running `Command { std: "docker" "start" "-a" "3e04954eef30ed7141526b79963e609524b6a25c6be70892d376c965330af8a9", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::cell::RefCell` [INFO] [stderr] --> src/datastructures/linked_list/node.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cell::RefCell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/datastructures/linked_list/node.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `run::run` [INFO] [stderr] --> src/datastructures/linked_list/mod.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | pub use run::run; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::format` [INFO] [stderr] --> src/datastructures/binary_tree/run.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fmt::format; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/datastructures/linked_list/linked_list_1.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | for i in 0.. index { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/datastructures/linked_list/linked_list_1.rs:77:13 [INFO] [stderr] | [INFO] [stderr] 77 | unsafe { [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/datastructures/linked_list/linked_list_1.rs:103:17 [INFO] [stderr] | [INFO] [stderr] 103 | for i in 0.. index - 1 { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/datastructures/linked_list/linked_list_2.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | for i in 0.. index { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/datastructures/binary_tree/tree.rs:19:17 [INFO] [stderr] | [INFO] [stderr] 19 | let mut node = q.pop_back().unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: type `linked_list_2::Node` is more private than the item `linked_list_2::LinkedList::get_node_at` [INFO] [stderr] --> src/datastructures/linked_list/linked_list_2.rs:86:5 [INFO] [stderr] | [INFO] [stderr] 86 | pub fn get_node_at(&self, index: i32) -> Option{ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `linked_list_2::LinkedList::get_node_at` is reachable at visibility `pub(in crate::datastructures::linked_list)` [INFO] [stderr] | [INFO] [stderr] note: but type `linked_list_2::Node` is only usable at visibility `pub(self)` [INFO] [stderr] --> src/datastructures/linked_list/linked_list_2.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | struct Node { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] = note: `#[warn(private_interfaces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `print` is never used [INFO] [stderr] --> src/datastructures/linked_list/run.rs:5:4 [INFO] [stderr] | [INFO] [stderr] 5 | fn print(head: Option>) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: function `run` is never used [INFO] [stderr] --> src/datastructures/linked_list/run.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `LinkedList` is never constructed [INFO] [stderr] --> src/datastructures/linked_list/linked_list_1.rs:3:20 [INFO] [stderr] | [INFO] [stderr] 3 | pub(crate) struct LinkedList { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: multiple associated items are never used [INFO] [stderr] --> src/datastructures/linked_list/linked_list_1.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 9 | impl LinkedList { [INFO] [stderr] | --------------- associated items in this implementation [INFO] [stderr] 10 | pub fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 14 | pub fn size(&self) -> i32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 18 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 22 | pub fn print(&self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 35 | pub fn add_first(&mut self, data: i32) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 47 | pub fn add_last(&mut self, data: i32) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 61 | pub fn get_node_at(&mut self, index: i32) -> Option<&mut Box>{ [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 74 | pub fn remove_last(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 84 | pub fn remove_first(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 93 | pub fn remove(&mut self, index: i32) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 118 | pub fn reverse(&mut self) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Node` is never constructed [INFO] [stderr] --> src/datastructures/linked_list/linked_list_2.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | struct Node { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias `NodeRef` is never used [INFO] [stderr] --> src/datastructures/linked_list/linked_list_2.rs:8:6 [INFO] [stderr] | [INFO] [stderr] 8 | type NodeRef = Rc>; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/datastructures/linked_list/linked_list_2.rs:11:12 [INFO] [stderr] | [INFO] [stderr] 10 | impl Node { [INFO] [stderr] | --------- associated function in this implementation [INFO] [stderr] 11 | pub fn new(data: i32, next: Option) -> NodeRef { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `LinkedList` is never constructed [INFO] [stderr] --> src/datastructures/linked_list/linked_list_2.rs:16:12 [INFO] [stderr] | [INFO] [stderr] 16 | pub struct LinkedList { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: multiple associated items are never used [INFO] [stderr] --> src/datastructures/linked_list/linked_list_2.rs:23:12 [INFO] [stderr] | [INFO] [stderr] 22 | impl LinkedList { [INFO] [stderr] | --------------- associated items in this implementation [INFO] [stderr] 23 | pub fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 27 | pub fn size(&self) -> i32 { [INFO] [stderr] | ^^^^ [INFO] [stderr] ... [INFO] [stderr] 31 | pub fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 35 | fn print_addresses(&self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 50 | pub fn print(&self) { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 66 | pub fn add_first(&mut self, data: i32) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 75 | pub fn add_last(&mut self, data: i32) { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 86 | pub fn get_node_at(&self, index: i32) -> Option{ [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Node` is never constructed [INFO] [stderr] --> src/datastructures/linked_list/node.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Node { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/datastructures/linked_list/node.rs:10:12 [INFO] [stderr] | [INFO] [stderr] 9 | impl Node { [INFO] [stderr] | --------- associated function in this implementation [INFO] [stderr] 10 | pub fn new(data: i32, next: Option>) -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `practise` (bin "practise" test) generated 21 warnings (run `cargo fix --bin "practise" --tests` to apply 5 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/practise-60b4c2490c722bb8) [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" "3e04954eef30ed7141526b79963e609524b6a25c6be70892d376c965330af8a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e04954eef30ed7141526b79963e609524b6a25c6be70892d376c965330af8a9", kill_on_drop: false }` [INFO] [stdout] 3e04954eef30ed7141526b79963e609524b6a25c6be70892d376c965330af8a9