[INFO] cloning repository https://github.com/EstebanBorai/data-structures-and-algorithms-with-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EstebanBorai/data-structures-and-algorithms-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Fdata-structures-and-algorithms-with-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Fdata-structures-and-algorithms-with-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c734424fb3b1f5bc653cae252adfd2eda119768
[INFO] checking EstebanBorai/data-structures-and-algorithms-with-rust against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Fdata-structures-and-algorithms-with-rust" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EstebanBorai/data-structures-and-algorithms-with-rust on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EstebanBorai/data-structures-and-algorithms-with-rust
[INFO] finished tweaking git repo https://github.com/EstebanBorai/data-structures-and-algorithms-with-rust
[INFO] tweaked toml for git repo https://github.com/EstebanBorai/data-structures-and-algorithms-with-rust written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/EstebanBorai/data-structures-and-algorithms-with-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 120677a5ba6c5d5ffa8494d5777e68f5a302652dc1646217490fadda7a1254e6
[INFO] running `Command { std: "docker" "start" "-a" "120677a5ba6c5d5ffa8494d5777e68f5a302652dc1646217490fadda7a1254e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "120677a5ba6c5d5ffa8494d5777e68f5a302652dc1646217490fadda7a1254e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120677a5ba6c5d5ffa8494d5777e68f5a302652dc1646217490fadda7a1254e6", kill_on_drop: false }`
[INFO] [stdout] 120677a5ba6c5d5ffa8494d5777e68f5a302652dc1646217490fadda7a1254e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d291512f7ba2ae19de8b1e3c5557ab339910b7292c2783d1cca59707a14a3095
[INFO] running `Command { std: "docker" "start" "-a" "d291512f7ba2ae19de8b1e3c5557ab339910b7292c2783d1cca59707a14a3095", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking dsa-in-rust v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr] warning: error applying suggestions to `src/binary_search_tree.rs`
[INFO] [stderr] 
[INFO] [stderr] The full error message was:
[INFO] [stderr] 
[INFO] [stderr] > Could not replace range 295...327 in file -- maybe parts of it were already replaced?
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] warning: failed to automatically apply fixes suggested by rustc to crate `dsa_in_rust`
[INFO] [stderr] 
[INFO] [stderr] after fixes were automatically applied the compiler reported errors within these files:
[INFO] [stderr] 
[INFO] [stderr]   * src/binary_search_tree.rs
[INFO] [stderr] 
[INFO] [stderr] This likely indicates a bug in either rustc or cargo itself,
[INFO] [stderr] and we would appreciate a bug report! You're likely to see 
[INFO] [stderr] a number of compiler warnings after this message which cargo
[INFO] [stderr] attempted to fix but failed. If you could open an issue at
[INFO] [stderr] https://github.com/rust-lang/rust/issues
[INFO] [stderr] quoting the full output of this command we'd be very appreciative!
[INFO] [stderr] Note that you may be able to make some more progress in the near-term
[INFO] [stderr] fixing code with the `--broken-code` flag
[INFO] [stderr] 
[INFO] [stderr] The following errors were reported:
[INFO] [stderr] error: expected one of `,`, `:`, `=`, or `>`, found `+`
[INFO] [stderr]  --> src/binary_search_tree.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Tree<T + std::fmt::Debug + Clone> = Option<Box<Node<T>>>;
[INFO] [stderr]   |             ^ expected one of `,`, `:`, `=`, or `>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] Original diagnostics will follow.
[INFO] [stderr] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/binary_search_tree.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new(value: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `boxed`
[INFO] [stdout]   --> src/binary_search_tree.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn boxed(value: T) -> Box<Self> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/binary_search_tree.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn peek(&self) -> &T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/binary_search_tree.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/binary_search_tree.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn add(&mut self, value: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_recursive`
[INFO] [stdout]   --> src/binary_search_tree.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn add_recursive(&mut self, node: Tree<T>, value: T) -> Tree<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find`
[INFO] [stdout]   --> src/binary_search_tree.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn find(&self, value: T) -> Option<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_recursive`
[INFO] [stdout]   --> src/binary_search_tree.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn find_recursive(&self, node: &Tree<T>, value: T) -> Option<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `walk`
[INFO] [stdout]    --> src/binary_search_tree.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn walk(&self, func: impl Fn(&T) -> ()) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `walk_in_order`
[INFO] [stdout]    --> src/binary_search_tree.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn walk_in_order(&self, node: &Tree<T>, func: &impl Fn(&T) -> ()) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/doubly_linked_list.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new(value: T) -> Rc<RefCell<Self>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_value`
[INFO] [stdout]   --> src/doubly_linked_list.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn peek_value(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/doubly_linked_list.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/doubly_linked_list.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn len(&self) -> u32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/doubly_linked_list.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn append(&mut self, value: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/doubly_linked_list.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/doubly_linked_list.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn new(current: Link<T>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DynamicArray`
[INFO] [stdout]   --> src/dynamic_array.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DynamicArray<T: Clone> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dynamic_array.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grow`
[INFO] [stdout]   --> src/dynamic_array.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn grow(&mut self, min_cap: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ensure_capacity`
[INFO] [stdout]   --> src/dynamic_array.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn ensure_capacity(&mut self, items_to_add: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `item_at`
[INFO] [stdout]   --> src/dynamic_array.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn item_at(&mut self, index: usize) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/dynamic_array.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn add(&mut self, value: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/singly_linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(value: T) -> Rc<RefCell<Self>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_value`
[INFO] [stdout]   --> src/singly_linked_list.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn peek_value(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/singly_linked_list.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/singly_linked_list.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn len(&self) -> u32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/singly_linked_list.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn append(&mut self, value: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/singly_linked_list.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/skip_list.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(level: usize, value: T) -> Rc<RefCell<Self>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_value`
[INFO] [stdout]   --> src/skip_list.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn peek_value(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/skip_list.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new(max_level: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/skip_list.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn append(&mut self, value: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_level`
[INFO] [stdout]   --> src/skip_list.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn get_level(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]  --> src/binary_search_tree.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Tree<T: std::cmp::Ord + std::fmt::Debug + Clone> = Option<Box<Node<T>>>;
[INFO] [stdout]   |              ^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]   |
[INFO] [stdout] 9 - type Tree<T: std::cmp::Ord + std::fmt::Debug + Clone> = Option<Box<Node<T>>>;
[INFO] [stdout] 9 + type Tree<T> = Option<Box<Node<T>>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/binary_search_tree.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn peek(&self) -> &T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_value`
[INFO] [stdout]   --> src/skip_list.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn peek_value(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]  --> src/binary_search_tree.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Tree<T: std::cmp::Ord + std::fmt::Debug + Clone> = Option<Box<Node<T>>>;
[INFO] [stdout]   |              ^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]   |
[INFO] [stdout] 9 - type Tree<T: std::cmp::Ord + std::fmt::Debug + Clone> = Option<Box<Node<T>>>;
[INFO] [stdout] 9 + type Tree<T> = Option<Box<Node<T>>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.81s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking dsa-in-rust v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/binary_search_tree.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn new(value: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `boxed`
[INFO] [stdout]   --> src/binary_search_tree.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn boxed(value: T) -> Box<Self> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/binary_search_tree.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn peek(&self) -> &T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/binary_search_tree.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/binary_search_tree.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn add(&mut self, value: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_recursive`
[INFO] [stdout]   --> src/binary_search_tree.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn add_recursive(&mut self, node: Tree<T>, value: T) -> Tree<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find`
[INFO] [stdout]   --> src/binary_search_tree.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn find(&self, value: T) -> Option<T> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `find_recursive`
[INFO] [stdout]   --> src/binary_search_tree.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn find_recursive(&self, node: &Tree<T>, value: T) -> Option<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `walk`
[INFO] [stdout]    --> src/binary_search_tree.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn walk(&self, func: impl Fn(&T) -> ()) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `walk_in_order`
[INFO] [stdout]    --> src/binary_search_tree.rs:113:8
[INFO] [stdout]     |
[INFO] [stdout] 113 |     fn walk_in_order(&self, node: &Tree<T>, func: &impl Fn(&T) -> ()) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/doubly_linked_list.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new(value: T) -> Rc<RefCell<Self>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_value`
[INFO] [stdout]   --> src/doubly_linked_list.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn peek_value(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/doubly_linked_list.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/doubly_linked_list.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn len(&self) -> u32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/doubly_linked_list.rs:72:12
[INFO] [stdout]    |
[INFO] [stdout] 72 |     pub fn append(&mut self, value: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/doubly_linked_list.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/doubly_linked_list.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn new(current: Link<T>) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DynamicArray`
[INFO] [stdout]   --> src/dynamic_array.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct DynamicArray<T: Clone> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/dynamic_array.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `grow`
[INFO] [stdout]   --> src/dynamic_array.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn grow(&mut self, min_cap: usize) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ensure_capacity`
[INFO] [stdout]   --> src/dynamic_array.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn ensure_capacity(&mut self, items_to_add: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `item_at`
[INFO] [stdout]   --> src/dynamic_array.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn item_at(&mut self, index: usize) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add`
[INFO] [stdout]   --> src/dynamic_array.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn add(&mut self, value: T) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/singly_linked_list.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(value: T) -> Rc<RefCell<Self>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_value`
[INFO] [stdout]   --> src/singly_linked_list.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn peek_value(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/singly_linked_list.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/singly_linked_list.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn len(&self) -> u32 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/singly_linked_list.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn append(&mut self, value: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/singly_linked_list.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn pop(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/skip_list.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(level: usize, value: T) -> Rc<RefCell<Self>> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_value`
[INFO] [stdout]   --> src/skip_list.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn peek_value(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/skip_list.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn new(max_level: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/skip_list.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn append(&mut self, value: T) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_level`
[INFO] [stdout]   --> src/skip_list.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn get_level(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]  --> src/binary_search_tree.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Tree<T: std::cmp::Ord + std::fmt::Debug + Clone> = Option<Box<Node<T>>>;
[INFO] [stdout]   |              ^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]   |
[INFO] [stdout] 9 - type Tree<T: std::cmp::Ord + std::fmt::Debug + Clone> = Option<Box<Node<T>>>;
[INFO] [stdout] 9 + type Tree<T> = Option<Box<Node<T>>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek`
[INFO] [stdout]   --> src/binary_search_tree.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn peek(&self) -> &T {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `peek_value`
[INFO] [stdout]   --> src/skip_list.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn peek_value(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: bounds on generic parameters are not enforced in type aliases
[INFO] [stdout]  --> src/binary_search_tree.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | type Tree<T: std::cmp::Ord + std::fmt::Debug + Clone> = Option<Box<Node<T>>>;
[INFO] [stdout]   |              ^^^^^^^^^^^^^   ^^^^^^^^^^^^^^^   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(type_alias_bounds)]` on by default
[INFO] [stdout] help: the bound will not be checked when the type alias is used, and should be removed
[INFO] [stdout]   |
[INFO] [stdout] 9 - type Tree<T: std::cmp::Ord + std::fmt::Debug + Clone> = Option<Box<Node<T>>>;
[INFO] [stdout] 9 + type Tree<T> = Option<Box<Node<T>>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "d291512f7ba2ae19de8b1e3c5557ab339910b7292c2783d1cca59707a14a3095", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d291512f7ba2ae19de8b1e3c5557ab339910b7292c2783d1cca59707a14a3095", kill_on_drop: false }`
[INFO] [stdout] d291512f7ba2ae19de8b1e3c5557ab339910b7292c2783d1cca59707a14a3095