[INFO] cloning repository https://github.com/morka17/binary_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/morka17/binary_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorka17%2Fbinary_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorka17%2Fbinary_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64988f8b28e91b0e410813e6c5332cf73fed5fe0
[INFO] testing morka17/binary_tree against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmorka17%2Fbinary_tree" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/morka17/binary_tree
[INFO] finished tweaking git repo https://github.com/morka17/binary_tree
[INFO] tweaked toml for git repo https://github.com/morka17/binary_tree written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/morka17/binary_tree on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/morka17/binary_tree 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" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb884eba7f5c8f64bbe4e0a95e0ee026c4e9b0d95d158014110d058a5c163b83
[INFO] running `Command { std: "docker" "start" "-a" "bb884eba7f5c8f64bbe4e0a95e0ee026c4e9b0d95d158014110d058a5c163b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb884eba7f5c8f64bbe4e0a95e0ee026c4e9b0d95d158014110d058a5c163b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb884eba7f5c8f64bbe4e0a95e0ee026c4e9b0d95d158014110d058a5c163b83", kill_on_drop: false }`
[INFO] [stdout] bb884eba7f5c8f64bbe4e0a95e0ee026c4e9b0d95d158014110d058a5c163b83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c22f887294bfe64c5c2b245f527094aa794e201cd9466fd9b1d4e453d4ef2b2
[INFO] running `Command { std: "docker" "start" "-a" "9c22f887294bfe64c5c2b245f527094aa794e201cd9466fd9b1d4e453d4ef2b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/b_tree.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BTree` is never constructed
[INFO] [stdout]   --> src/b_tree.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct BTree<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BTreeProps` is never constructed
[INFO] [stdout]   --> src/b_tree.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct BTreeProps {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `is_leaf` are never used
[INFO] [stdout]   --> src/b_tree.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<T> Node<T>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     T: Ord,
[INFO] [stdout]    | |___________- associated items in this implementation
[INFO] [stdout] 24 |   {
[INFO] [stdout] 25 |       fn new(degree: usize, _keys: Option<Vec<T>>, _children: Option<Vec<Node<T>>>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |       fn is_leaf(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_maxed_out`, `split_child`, `insert_non_full`, and `traverse_node` are never used
[INFO] [stdout]   --> src/b_tree.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl BTreeProps {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 44 |     fn new(degree: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn is_maxed_out<T: Ord + Copy>(&self, node: &Node<T>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn split_child<T: Ord + Copy + Default>(&self, parent: &mut Node<T>, child_index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn insert_non_full<T: Ord + Copy + Default>(&mut self, node: &mut Node<T>, key: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn traverse_node<T: Ord + Debug>(node: &Node<T>, depth: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `traverse`, and `search` are never used
[INFO] [stdout]    --> src/b_tree.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 113 | / impl<T> BTree<T>
[INFO] [stdout] 114 | | where
[INFO] [stdout] 115 | |     T: Ord + Copy + Debug + Default,
[INFO] [stdout]     | |____________________________________- associated items in this implementation
[INFO] [stdout] 116 |   {
[INFO] [stdout] 117 |       pub fn new(branch_factor: usize) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |       pub fn insert(&mut self, key: T) {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |       pub fn traverse(&self) {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |       pub fn search(&self, key: T) -> bool {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinarySearchTree` is never constructed
[INFO] [stdout]  --> src/b_search_tree.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct BinarySearchTree<T>
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/b_search_tree.rs:31:12
[INFO] [stdout]     |
[INFO] [stdout]  26 | / impl<T> BinarySearchTree<T>
[INFO] [stdout]  27 | | where
[INFO] [stdout]  28 | |     T: Ord,
[INFO] [stdout]     | |___________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  31 |       pub fn new() -> BinarySearchTree<T> {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout]  41 |       pub fn search(&self, value: &T) -> bool {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |       pub fn iter(&self) -> impl Iterator<Item = &T> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  72 |       pub fn insert(&mut self, value: T) {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |       pub fn minimum(&self) -> Option<&T>{
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |       pub fn maximum(&self) -> Option<&T>{
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |       pub fn floor(&self, value: &T) -> Option<&T>{
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |       pub fn ceil(&self, value: &T) -> Option<&T>{
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinarySearchTreeIter` is never constructed
[INFO] [stdout]    --> src/b_search_tree.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | struct BinarySearchTreeIter<'a, T>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `stack_push_left` are never used
[INFO] [stdout]    --> src/b_search_tree.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 191 | / impl<'a, T> BinarySearchTreeIter<'a, T>
[INFO] [stdout] 192 | | where 
[INFO] [stdout] 193 | | T: Ord,
[INFO] [stdout]     | |_______- associated items in this implementation
[INFO] [stdout] 194 |   {
[INFO] [stdout] 195 |       pub fn new(tree: &BinarySearchTree<T>) -> BinarySearchTreeIter<T>{
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |       pub fn stack_push_left(&mut self){
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/b_search_tree.rs:195:22
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn new(tree: &BinarySearchTree<T>) -> BinarySearchTreeIter<T>{
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn new(tree: &BinarySearchTree<T>) -> BinarySearchTreeIter<'_, T>{
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "9c22f887294bfe64c5c2b245f527094aa794e201cd9466fd9b1d4e453d4ef2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c22f887294bfe64c5c2b245f527094aa794e201cd9466fd9b1d4e453d4ef2b2", kill_on_drop: false }`
[INFO] [stdout] 9c22f887294bfe64c5c2b245f527094aa794e201cd9466fd9b1d4e453d4ef2b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cab1f5944d1440497062dbed141f0db7a970f300c9309ec7267b165ff572711
[INFO] running `Command { std: "docker" "start" "-a" "5cab1f5944d1440497062dbed141f0db7a970f300c9309ec7267b165ff572711", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/b_tree.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Node<T> {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BTree` is never constructed
[INFO] [stdout]   --> src/b_tree.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct BTree<T> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BTreeProps` is never constructed
[INFO] [stdout]   --> src/b_tree.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct BTreeProps {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `is_leaf` are never used
[INFO] [stdout]   --> src/b_tree.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | / impl<T> Node<T>
[INFO] [stdout] 22 | | where
[INFO] [stdout] 23 | |     T: Ord,
[INFO] [stdout]    | |___________- associated items in this implementation
[INFO] [stdout] 24 |   {
[INFO] [stdout] 25 |       fn new(degree: usize, _keys: Option<Vec<T>>, _children: Option<Vec<Node<T>>>) -> Self {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |       fn is_leaf(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_maxed_out`, `split_child`, `insert_non_full`, and `traverse_node` are never used
[INFO] [stdout]   --> src/b_tree.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl BTreeProps {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 44 |     fn new(degree: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn is_maxed_out<T: Ord + Copy>(&self, node: &Node<T>) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn split_child<T: Ord + Copy + Default>(&self, parent: &mut Node<T>, child_index: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     fn insert_non_full<T: Ord + Copy + Default>(&mut self, node: &mut Node<T>, key: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn traverse_node<T: Ord + Debug>(node: &Node<T>, depth: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, `traverse`, and `search` are never used
[INFO] [stdout]    --> src/b_tree.rs:117:12
[INFO] [stdout]     |
[INFO] [stdout] 113 | / impl<T> BTree<T>
[INFO] [stdout] 114 | | where
[INFO] [stdout] 115 | |     T: Ord + Copy + Debug + Default,
[INFO] [stdout]     | |____________________________________- associated items in this implementation
[INFO] [stdout] 116 |   {
[INFO] [stdout] 117 |       pub fn new(branch_factor: usize) -> Self {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 125 |       pub fn insert(&mut self, key: T) {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 134 |       pub fn traverse(&self) {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |       pub fn search(&self, key: T) -> bool {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinarySearchTree` is never constructed
[INFO] [stdout]  --> src/b_search_tree.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct BinarySearchTree<T>
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/b_search_tree.rs:31:12
[INFO] [stdout]     |
[INFO] [stdout]  26 | / impl<T> BinarySearchTree<T>
[INFO] [stdout]  27 | | where
[INFO] [stdout]  28 | |     T: Ord,
[INFO] [stdout]     | |___________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  31 |       pub fn new() -> BinarySearchTree<T> {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout]  41 |       pub fn search(&self, value: &T) -> bool {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |       pub fn iter(&self) -> impl Iterator<Item = &T> {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  72 |       pub fn insert(&mut self, value: T) {
[INFO] [stdout]     |              ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |       pub fn minimum(&self) -> Option<&T>{
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |       pub fn maximum(&self) -> Option<&T>{
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |       pub fn floor(&self, value: &T) -> Option<&T>{
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |       pub fn ceil(&self, value: &T) -> Option<&T>{
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinarySearchTreeIter` is never constructed
[INFO] [stdout]    --> src/b_search_tree.rs:184:8
[INFO] [stdout]     |
[INFO] [stdout] 184 | struct BinarySearchTreeIter<'a, T>
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `stack_push_left` are never used
[INFO] [stdout]    --> src/b_search_tree.rs:195:12
[INFO] [stdout]     |
[INFO] [stdout] 191 | / impl<'a, T> BinarySearchTreeIter<'a, T>
[INFO] [stdout] 192 | | where 
[INFO] [stdout] 193 | | T: Ord,
[INFO] [stdout]     | |_______- associated items in this implementation
[INFO] [stdout] 194 |   {
[INFO] [stdout] 195 |       pub fn new(tree: &BinarySearchTree<T>) -> BinarySearchTreeIter<T>{
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 201 |       pub fn stack_push_left(&mut self){
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/b_search_tree.rs:195:22
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn new(tree: &BinarySearchTree<T>) -> BinarySearchTreeIter<T>{
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn new(tree: &BinarySearchTree<T>) -> BinarySearchTreeIter<'_, T>{
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `traverse_node` is never used
[INFO] [stdout]   --> src/b_tree.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl BTreeProps {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 99 |     fn traverse_node<T: Ord + Debug>(node: &Node<T>, depth: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `traverse` is never used
[INFO] [stdout]    --> src/b_tree.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 113 | / impl<T> BTree<T>
[INFO] [stdout] 114 | | where
[INFO] [stdout] 115 | |     T: Ord + Copy + Debug + Default,
[INFO] [stdout]     | |____________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 134 |       pub fn traverse(&self) {
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/b_search_tree.rs:195:22
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn new(tree: &BinarySearchTree<T>) -> BinarySearchTreeIter<T>{
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 195 |     pub fn new(tree: &BinarySearchTree<T>) -> BinarySearchTreeIter<'_, T>{
[INFO] [stdout]     |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "5cab1f5944d1440497062dbed141f0db7a970f300c9309ec7267b165ff572711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cab1f5944d1440497062dbed141f0db7a970f300c9309ec7267b165ff572711", kill_on_drop: false }`
[INFO] [stdout] 5cab1f5944d1440497062dbed141f0db7a970f300c9309ec7267b165ff572711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0e4beab1a216fd3020d5945c1b138000cbd5c9aa07bb4bdee4111445032cc60
[INFO] running `Command { std: "docker" "start" "-a" "b0e4beab1a216fd3020d5945c1b138000cbd5c9aa07bb4bdee4111445032cc60", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Node` is never constructed
[INFO] [stdout] 
[INFO] [stderr]  --> src/b_tree.rs:5:8
[INFO] [stdout] running 5 tests
[INFO] [stderr]   |
[INFO] [stdout] test b_search_tree::test::test_iterator ... ok
[INFO] [stderr] 5 | struct Node<T> {
[INFO] [stdout] test b_search_tree::test::test_search ... ok
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BTree` is never constructed
[INFO] [stderr]   --> src/b_tree.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct BTree<T> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BTreeProps` is never constructed
[INFO] [stderr]   --> src/b_tree.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | struct BTreeProps {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `is_leaf` are never used
[INFO] [stderr]   --> src/b_tree.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 21 | / impl<T> Node<T>
[INFO] [stderr] 22 | | where
[INFO] [stderr] 23 | |     T: Ord,
[INFO] [stderr]    | |___________- associated items in this implementation
[INFO] [stderr] 24 |   {
[INFO] [stderr] 25 |       fn new(degree: usize, _keys: Option<Vec<T>>, _children: Option<Vec<Node<T>>>) -> Self {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 38 |       fn is_leaf(&self) -> bool {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `is_maxed_out`, `split_child`, `insert_non_full`, and `traverse_node` are never used
[INFO] [stderr]   --> src/b_tree.rs:44:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | impl BTreeProps {
[INFO] [stderr]    | --------------- associated items in this implementation
[INFO] [stderr] 44 |     fn new(degree: usize) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     fn is_maxed_out<T: Ord + Copy>(&self, node: &Node<T>) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 59 |     fn split_child<T: Ord + Copy + Default>(&self, parent: &mut Node<T>, child_index: usize) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 |     fn insert_non_full<T: Ord + Copy + Default>(&mut self, node: &mut Node<T>, key: T) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 99 |     fn traverse_node<T: Ord + Debug>(node: &Node<T>, depth: usize) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `insert`, `traverse`, and `search` are never used
[INFO] [stderr]    --> src/b_tree.rs:117:12
[INFO] [stderr]     |
[INFO] [stderr] 113 | / impl<T> BTree<T>
[INFO] [stderr] 114 | | where
[INFO] [stderr] 115 | |     T: Ord + Copy + Debug + Default,
[INFO] [stderr]     | |____________________________________- associated items in this implementation
[INFO] [stderr] 116 |   {
[INFO] [stderr] 117 |       pub fn new(branch_factor: usize) -> Self {
[INFO] [stderr]     |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 125 |       pub fn insert(&mut self, key: T) {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 134 |       pub fn traverse(&self) {
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 139 |       pub fn search(&self, key: T) -> bool {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BinarySearchTree` is never constructed
[INFO] [stderr]  --> src/b_search_tree.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct BinarySearchTree<T>
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]    --> src/b_search_tree.rs:31:12
[INFO] [stderr]     |
[INFO] [stderr]  26 | / impl<T> BinarySearchTree<T>
[INFO] [stderr]  27 | | where
[INFO] [stderr]  28 | |     T: Ord,
[INFO] [stderr]     | |___________- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  31 |       pub fn new() -> BinarySearchTree<T> {
[INFO] [stderr]     |              ^^^
[INFO] [stderr] ...
[INFO] [stderr]  41 |       pub fn search(&self, value: &T) -> bool {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  67 |       pub fn iter(&self) -> impl Iterator<Item = &T> {
[INFO] [stderr]     |              ^^^^
[INFO] [stderr] ...
[INFO] [stderr]  72 |       pub fn insert(&mut self, value: T) {
[INFO] [stderr]     |              ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 100 |       pub fn minimum(&self) -> Option<&T>{
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |       pub fn maximum(&self) -> Option<&T>{
[INFO] [stderr]     |              ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 116 |       pub fn floor(&self, value: &T) -> Option<&T>{
[INFO] [stderr]     |              ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 149 |       pub fn ceil(&self, value: &T) -> Option<&T>{
[INFO] [stderr]     |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BinarySearchTreeIter` is never constructed
[INFO] [stderr]    --> src/b_search_tree.rs:184:8
[INFO] [stderr]     |
[INFO] [stderr] 184 | struct BinarySearchTreeIter<'a, T>
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `stack_push_left` are never used
[INFO] [stderr]    --> src/b_search_tree.rs:195:12
[INFO] [stderr]     |
[INFO] [stderr] 191 | / impl<'a, T> BinarySearchTreeIter<'a, T>
[INFO] [stderr] 192 | | where 
[INFO] [stderr] 193 | | T: Ord,
[INFO] [stderr]     | |_______- associated items in this implementation
[INFO] [stderr] 194 |   {
[INFO] [stderr] 195 |       pub fn new(tree: &BinarySearchTree<T>) -> BinarySearchTreeIter<T>{
[INFO] [stderr]     |              ^^^
[INFO] [stderr] ...
[INFO] [stderr] 201 |       pub fn stack_push_left(&mut self){
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/b_search_tree.rs:195:22
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn new(tree: &BinarySearchTree<T>) -> BinarySearchTreeIter<T>{
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 195 |     pub fn new(tree: &BinarySearchTree<T>) -> BinarySearchTreeIter<'_, T>{
[INFO] [stderr]     |                                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `binary_tree` (lib) generated 11 warnings (run `cargo fix --lib -p binary_tree` to apply 1 suggestion)
[INFO] [stderr] warning: associated function `traverse_node` is never used
[INFO] [stderr]   --> src/b_tree.rs:99:8
[INFO] [stderr]    |
[INFO] [stderr] 43 | impl BTreeProps {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 99 |     fn traverse_node<T: Ord + Debug>(node: &Node<T>, depth: usize) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `traverse` is never used
[INFO] [stderr]    --> src/b_tree.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 113 | / impl<T> BTree<T>
[INFO] [stderr] 114 | | where
[INFO] [stderr] 115 | |     T: Ord + Copy + Debug + Default,
[INFO] [stderr]     | |____________________________________- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 134 |       pub fn traverse(&self) {
[INFO] [stderr]     |              ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `binary_tree` (lib test) generated 3 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/binary_tree-1387a4d9f2b0985f)
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test b_search_tree::test::test_floor_and_ceil ... FAILED
[INFO] [stdout] test b_tree::test::test_search ... FAILED
[INFO] [stdout] test b_search_tree::test::test_maximum_and_minimum ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- b_search_tree::test::test_floor_and_ceil stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'b_search_tree::test::test_floor_and_ceil' (25) panicked at src/b_search_tree.rs:310:18:
[INFO] [stdout] called `Option::unwrap()` on a `None` value
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f350fc8cda2 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f350fc8cda2 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f350fc8cda2 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f350fc8cda2 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f350fca162a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f350fca162a - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x5f350fc91ba6 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f350fc91ba6 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f350fc6b53f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f350fc6b53f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f350fc85089 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f350fc20b0e - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f350fc20b0e - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f350fc85242 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f350fc85242 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f350fc6b62a - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:691:13
[INFO] [stdout]   16:     0x5f350fc60879 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f350fc6c44d - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f350fca1cfc - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f350fca1cc2 - core[27de1724e4349be2]::panicking::panic
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:150:5
[INFO] [stdout]   20:     0x5f350fca1a19 - core[27de1724e4349be2]::option::unwrap_failed
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/option.rs:2199:5
[INFO] [stdout]   21:     0x5f350fc1298b - <core[27de1724e4349be2]::option::Option<&&str>>::unwrap
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/option.rs:1016:21
[INFO] [stdout]   22:     0x5f350fc1298b - binary_tree[5edf8d3b4c660388]::b_search_tree::test::test_floor_and_ceil
[INFO] [stdout]                                at /opt/rustwide/workdir/src/b_search_tree.rs:310:18
[INFO] [stdout]   23:     0x5f350fc0e807 - binary_tree[5edf8d3b4c660388]::b_search_tree::test::test_floor_and_ceil::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/b_search_tree.rs:286:29
[INFO] [stdout]   24:     0x5f350fc14d06 - <binary_tree[5edf8d3b4c660388]::b_search_tree::test::test_floor_and_ceil::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5f350fc14ebb - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x5f350fc14ebb - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   27:     0x5f350fc2171a - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   28:     0x5f350fc2171a - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   29:     0x5f350fc2171a - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   30:     0x5f350fc2171a - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   31:     0x5f350fc2171a - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   32:     0x5f350fc2171a - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   33:     0x5f350fc2171a - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   34:     0x5f350fc1ccc4 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stdout]   35:     0x5f350fc1ccc4 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   36:     0x5f350fc24212 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   37:     0x5f350fc24212 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   38:     0x5f350fc24212 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   39:     0x5f350fc24212 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   40:     0x5f350fc24212 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   41:     0x5f350fc24212 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   42:     0x5f350fc24212 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   43:     0x5f350fc8c64f - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   44:     0x5f350fc8c64f - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   45:     0x7f0292e0baa4 - <unknown>
[INFO] [stdout]   46:     0x7f0292e98a64 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- b_tree::test::test_search stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'b_tree::test::test_search' (29) panicked at src/b_tree.rs:60:41:
[INFO] [stdout] index out of bounds: the len is 0 but the index is 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f350fc8cda2 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f350fc8cda2 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f350fc8cda2 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f350fc8cda2 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f350fca162a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f350fca162a - core[27de1724e4349be2]::fmt::write
[INFO] [stdout]    6:     0x5f350fc91ba6 - std[3b51380354919863]::io::default_write_fmt::<alloc[a57f19327c0ad893]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f350fc91ba6 - <alloc[a57f19327c0ad893]::vec::Vec<u8> as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f350fc6b53f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f350fc6b53f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f350fc85089 - std[3b51380354919863]::panicking::default_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f350fc20b0e - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f350fc20b0e - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f350fc85242 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f350fc85242 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f350fc6b5f8 - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f350fc60879 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f350fc6c44d - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f350fca1cfc - core[27de1724e4349be2]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f350fca1aec - core[27de1724e4349be2]::panicking::panic_bounds_check
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:271:5
[INFO] [stdout]   20:     0x5f350fc14164 - <usize as core[27de1724e4349be2]::slice::index::SliceIndex<[binary_tree[5edf8d3b4c660388]::b_tree::Node<i32>]>>::index_mut
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/slice/index.rs:278:14
[INFO] [stdout]   21:     0x5f350fc14aa7 - <[binary_tree[5edf8d3b4c660388]::b_tree::Node<i32>] as core[27de1724e4349be2]::ops::index::IndexMut<usize>>::index_mut
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/slice/index.rs:31:15
[INFO] [stdout]   22:     0x5f350fc14aa7 - <alloc[a57f19327c0ad893]::vec::Vec<binary_tree[5edf8d3b4c660388]::b_tree::Node<i32>> as core[27de1724e4349be2]::ops::index::IndexMut<usize>>::index_mut
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/vec/mod.rs:3724:9
[INFO] [stdout]   23:     0x5f350fc0d878 - <binary_tree[5edf8d3b4c660388]::b_tree::BTreeProps>::split_child::<i32>
[INFO] [stdout]                                at /opt/rustwide/workdir/src/b_tree.rs:60:41
[INFO] [stdout]   24:     0x5f350fc0f5aa - <binary_tree[5edf8d3b4c660388]::b_tree::BTree<i32>>::insert
[INFO] [stdout]                                at /opt/rustwide/workdir/src/b_tree.rs:129:24
[INFO] [stdout]   25:     0x5f350fc1360c - binary_tree[5edf8d3b4c660388]::b_tree::test::test_search
[INFO] [stdout]                                at /opt/rustwide/workdir/src/b_tree.rs:170:14
[INFO] [stdout]   26:     0x5f350fc0e867 - binary_tree[5edf8d3b4c660388]::b_tree::test::test_search::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/b_tree.rs:165:21
[INFO] [stdout]   27:     0x5f350fc14d86 - <binary_tree[5edf8d3b4c660388]::b_tree::test::test_search::{closure#0} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   28:     0x5f350fc14ebb - <fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x5f350fc14ebb - test[182b2e79ecd7bbd9]::__rust_begin_short_backtrace::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, fn() -> core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:663:18
[INFO] [stdout]   30:     0x5f350fc2171a - test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:74
[INFO] [stdout]   31:     0x5f350fc2171a - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   32:     0x5f350fc2171a - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   33:     0x5f350fc2171a - std[3b51380354919863]::panicking::catch_unwind::<core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>, core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   34:     0x5f350fc2171a - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<test[182b2e79ecd7bbd9]::run_test_in_process::{closure#0}>, core[27de1724e4349be2]::result::Result<(), alloc[a57f19327c0ad893]::string::String>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   35:     0x5f350fc2171a - test[182b2e79ecd7bbd9]::run_test_in_process
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:686:27
[INFO] [stdout]   36:     0x5f350fc2171a - test[182b2e79ecd7bbd9]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:607:43
[INFO] [stdout]   37:     0x5f350fc1ccc4 - test[182b2e79ecd7bbd9]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:637:41
[INFO] [stdout]   38:     0x5f350fc1ccc4 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   39:     0x5f350fc24212 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   40:     0x5f350fc24212 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   41:     0x5f350fc24212 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stdout]   42:     0x5f350fc24212 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stdout]   43:     0x5f350fc24212 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stdout]   44:     0x5f350fc24212 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   45:     0x5f350fc24212 - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<test[182b2e79ecd7bbd9]::run_test::{closure#1}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   46:     0x5f350fc8c64f - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   47:     0x5f350fc8c64f - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   48:     0x7f0292e0baa4 - <unknown>
[INFO] [stdout]   49:     0x7f0292e98a64 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     b_search_tree::test::test_floor_and_ceil
[INFO] [stdout]     b_tree::test::test_search
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b0e4beab1a216fd3020d5945c1b138000cbd5c9aa07bb4bdee4111445032cc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0e4beab1a216fd3020d5945c1b138000cbd5c9aa07bb4bdee4111445032cc60", kill_on_drop: false }`
[INFO] [stdout] b0e4beab1a216fd3020d5945c1b138000cbd5c9aa07bb4bdee4111445032cc60
