[INFO] cloning repository https://github.com/esdras-santos/data_structures_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/esdras-santos/data_structures_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesdras-santos%2Fdata_structures_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesdras-santos%2Fdata_structures_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff1c3afae6a5eeb47c1c6ec22bce5390e8381a39
[INFO] testing esdras-santos/data_structures_rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesdras-santos%2Fdata_structures_rust" "/workspace/builds/worker-108/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-108/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/esdras-santos/data_structures_rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/esdras-santos/data_structures_rust
[INFO] finished tweaking git repo https://github.com/esdras-santos/data_structures_rust
[INFO] tweaked toml for git repo https://github.com/esdras-santos/data_structures_rust written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate git repo https://github.com/esdras-santos/data_structures_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c09006ae31b1f2b89376f62b41b5045d739de17c7a441f950dcb911ad6d5c09
[INFO] running `Command { std: "docker" "start" "-a" "6c09006ae31b1f2b89376f62b41b5045d739de17c7a441f950dcb911ad6d5c09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c09006ae31b1f2b89376f62b41b5045d739de17c7a441f950dcb911ad6d5c09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c09006ae31b1f2b89376f62b41b5045d739de17c7a441f950dcb911ad6d5c09", kill_on_drop: false }`
[INFO] [stdout] 6c09006ae31b1f2b89376f62b41b5045d739de17c7a441f950dcb911ad6d5c09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2602b8eb4094d4936f660e15d518786bcc1c27a66b9e6c3a395c1ffded8b405d
[INFO] running `Command { std: "docker" "start" "-a" "2602b8eb4094d4936f660e15d518786bcc1c27a66b9e6c3a395c1ffded8b405d", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `height_tree` in this scope
[INFO] [stdout]    --> src/structures/binary_search_tree.rs:144:16
[INFO] [stdout]     |
[INFO] [stdout] 144 |         return height_tree(self.root);
[INFO] [stdout]     |                ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/structures/priority_queue.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         while true{
[INFO] [stdout]    |         ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:33:26
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T> BinarySearchTree<T> {
[INFO] [stdout]    |      - this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 33 |         if self.contains(&elem) {
[INFO] [stdout]    |                          ^^^^^ expected type parameter `T`, found `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `T`
[INFO] [stdout]                    found reference `&T`
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 33 -         if self.contains(&elem) {
[INFO] [stdout] 33 +         if self.contains(elem) {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:36:25
[INFO] [stdout]    |
[INFO] [stdout] 36 |             self.root = self.add_node(self.root ,elem);
[INFO] [stdout]    |             ---------   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found struct `Node`
[INFO] [stdout]    |             |
[INFO] [stdout]    |             expected due to the type of this binding
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Node<_>>`
[INFO] [stdout]             found struct `Node<_>`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 36 |             self.root = Some(self.add_node(self.root ,elem));
[INFO] [stdout]    |                         +++++                              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:44:43
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T> BinarySearchTree<T> {
[INFO] [stdout]    |      - this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 44 |             let aux = Node::new(None,None,elem);
[INFO] [stdout]    |                                           ^^^^ expected enum `Option`, found type parameter `T`
[INFO] [stdout]    |
[INFO] [stdout]    = note:        expected enum `Option<_>`
[INFO] [stdout]            found type parameter `T`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 44 |             let aux = Node::new(None,None,Some(elem));
[INFO] [stdout]    |                                           +++++    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `<` cannot be applied to type `T`
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |             if elem < node.unwrap().data.unwrap(){
[INFO] [stdout]    |                ---- ^ --------------------------- T
[INFO] [stdout]    |                |
[INFO] [stdout]    |                T
[INFO] [stdout]    |
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T: std::cmp::PartialOrd> BinarySearchTree<T> {
[INFO] [stdout]    |       ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn add_node(&self, mut node: Option<Node<T>>, elem: T) -> Node<T>{
[INFO] [stdout]    |                                                               ------- expected `Node<T>` because of return type
[INFO] [stdout] ...
[INFO] [stdout] 56 |         node
[INFO] [stdout]    |         ^^^^ expected struct `Node`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Node<_>`
[INFO] [stdout]                 found enum `Option<Node<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:60:26
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T> BinarySearchTree<T> {
[INFO] [stdout]    |      - this type parameter
[INFO] [stdout] ...
[INFO] [stdout] 60 |         if self.contains(&elem){
[INFO] [stdout]    |                          ^^^^^ expected type parameter `T`, found `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected type parameter `T`
[INFO] [stdout]                    found reference `&T`
[INFO] [stdout] help: consider removing the borrow
[INFO] [stdout]    |
[INFO] [stdout] 60 -         if self.contains(&elem){
[INFO] [stdout] 60 +         if self.contains(elem){
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 60 | /         if self.contains(&elem){
[INFO] [stdout] 61 | |             self.root = self.remove_node(self.root, elem);
[INFO] [stdout] 62 | |             self.node_count -= 1;
[INFO] [stdout] 63 | |             true
[INFO] [stdout]    | |             ^^^^ expected `()`, found `bool`
[INFO] [stdout] 64 | |         }
[INFO] [stdout]    | |_________- expected this to be `()`
[INFO] [stdout]    |
[INFO] [stdout] help: you might have meant to return this value
[INFO] [stdout]    |
[INFO] [stdout] 63 |             return true;
[INFO] [stdout]    |             ++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 69 | /         if node.is_none(){
[INFO] [stdout] 70 | |             None
[INFO] [stdout]    | |             ^^^^ expected `()`, found enum `Option`
[INFO] [stdout] 71 | |         }
[INFO] [stdout]    | |_________- expected this to be `()`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected unit type `()`
[INFO] [stdout]                    found enum `Option<_>`
[INFO] [stdout] help: you might have meant to return this value
[INFO] [stdout]    |
[INFO] [stdout] 70 |             return None;
[INFO] [stdout]    |             ++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `<` cannot be applied to type `T`
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |         if elem < node.unwrap().data.unwrap(){
[INFO] [stdout]    |            ---- ^ --------------------------- T
[INFO] [stdout]    |            |
[INFO] [stdout]    |            T
[INFO] [stdout]    |
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T: std::cmp::PartialOrd> BinarySearchTree<T> {
[INFO] [stdout]    |       ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:75:48
[INFO] [stdout]    |
[INFO] [stdout] 75 |             node.unwrap().left = Some(Box::new(self.remove_node(Some(aux), elem)));
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Node`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Node<_>`
[INFO] [stdout]                 found enum `Option<Node<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `>` cannot be applied to type `T`
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:76:24
[INFO] [stdout]    |
[INFO] [stdout] 76 |         } else if elem > node.unwrap().data.unwrap(){
[INFO] [stdout]    |                   ---- ^ --------------------------- T
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   T
[INFO] [stdout]    |
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl<T: std::cmp::PartialOrd> BinarySearchTree<T> {
[INFO] [stdout]    |       ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:78:49
[INFO] [stdout]    |
[INFO] [stdout] 78 |             node.unwrap().right = Some(Box::new(self.remove_node(Some(aux), elem)));
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Node`, found enum `Option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `Node<_>`
[INFO] [stdout]                 found enum `Option<Node<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `Node` in the current scope
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:93:42
[INFO] [stdout]    |
[INFO] [stdout] 7  | struct Node<T>{
[INFO] [stdout]    | -------------- method `unwrap` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 93 |                 node.unwrap().data = tmp.unwrap().data;
[INFO] [stdout]    |                                          ^^^^^^ method not found in `Node<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `Node` in the current scope
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:94:71
[INFO] [stdout]    |
[INFO] [stdout] 7  | struct Node<T>{
[INFO] [stdout]    | -------------- method `unwrap` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 94 |                 node.unwrap().right = self.remove_node(Some(aux), tmp.unwrap().data);
[INFO] [stdout]    |                                                                       ^^^^^^ method not found in `Node<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/structures/binary_search_tree.rs:94:39
[INFO] [stdout]    |
[INFO] [stdout] 94 |                 node.unwrap().right = self.remove_node(Some(aux), tmp.unwrap().data);
[INFO] [stdout]    |                 -------------------   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `Box`, found struct `Node`
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 expected due to the type of this binding
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected enum `Option<Box<Node<_>>>`
[INFO] [stdout]               found enum `Option<Node<_>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/structures/binary_search_tree.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 128 | /         if node.is_none(){
[INFO] [stdout] 129 | |             false
[INFO] [stdout]     | |             ^^^^^ expected `()`, found `bool`
[INFO] [stdout] 130 | |         }
[INFO] [stdout]     | |_________- expected this to be `()`
[INFO] [stdout]     |
[INFO] [stdout] help: you might have meant to return this value
[INFO] [stdout]     |
[INFO] [stdout] 129 |             return false;
[INFO] [stdout]     |             ++++++      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `<` cannot be applied to type `T`
[INFO] [stdout]    --> src/structures/binary_search_tree.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |         if elem < node.unwrap().data.unwrap(){
[INFO] [stdout]     |            ---- ^ --------------------------- T
[INFO] [stdout]     |            |
[INFO] [stdout]     |            T
[INFO] [stdout]     |
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]     |
[INFO] [stdout] 23  | impl<T: std::cmp::PartialOrd> BinarySearchTree<T> {
[INFO] [stdout]     |       ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/structures/binary_search_tree.rs:134:39
[INFO] [stdout]     |
[INFO] [stdout] 134 |             return self.contains_node(aux.left, elem);
[INFO] [stdout]     |                                       ^^^^^^^^ expected struct `Node`, found struct `Box`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<Node<_>>`
[INFO] [stdout]                found enum `Option<Box<Node<_>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `>` cannot be applied to type `T`
[INFO] [stdout]    --> src/structures/binary_search_tree.rs:135:24
[INFO] [stdout]     |
[INFO] [stdout] 135 |         } else if elem > node.unwrap().data.unwrap(){
[INFO] [stdout]     |                   ---- ^ --------------------------- T
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   T
[INFO] [stdout]     |
[INFO] [stdout] help: consider restricting type parameter `T`
[INFO] [stdout]     |
[INFO] [stdout] 23  | impl<T: std::cmp::PartialOrd> BinarySearchTree<T> {
[INFO] [stdout]     |       ++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/structures/binary_search_tree.rs:137:39
[INFO] [stdout]     |
[INFO] [stdout] 137 |             return self.contains_node(aux.right, elem);
[INFO] [stdout]     |                                       ^^^^^^^^^ expected struct `Node`, found struct `Box`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected enum `Option<Node<_>>`
[INFO] [stdout]                found enum `Option<Box<Node<_>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 21 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0369, E0425, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `data_structures` due to 22 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2602b8eb4094d4936f660e15d518786bcc1c27a66b9e6c3a395c1ffded8b405d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2602b8eb4094d4936f660e15d518786bcc1c27a66b9e6c3a395c1ffded8b405d", kill_on_drop: false }`
[INFO] [stdout] 2602b8eb4094d4936f660e15d518786bcc1c27a66b9e6c3a395c1ffded8b405d