[INFO] cloning repository https://github.com/mhn1991/BinaryTree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhn1991/BinaryTree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhn1991%2FBinaryTree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhn1991%2FBinaryTree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7656902817f6da21bcc0d08e9f5b6266d92d2521
[INFO] testing mhn1991/BinaryTree against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhn1991%2FBinaryTree" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mhn1991/BinaryTree on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mhn1991/BinaryTree
[INFO] finished tweaking git repo https://github.com/mhn1991/BinaryTree
[INFO] tweaked toml for git repo https://github.com/mhn1991/BinaryTree written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/mhn1991/BinaryTree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7822bd9d28d3e4c4ab935c3fa7e629052070b9ce4cbca9cb1a60b2609a8f6828
[INFO] running `Command { std: "docker" "start" "-a" "7822bd9d28d3e4c4ab935c3fa7e629052070b9ce4cbca9cb1a60b2609a8f6828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7822bd9d28d3e4c4ab935c3fa7e629052070b9ce4cbca9cb1a60b2609a8f6828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7822bd9d28d3e4c4ab935c3fa7e629052070b9ce4cbca9cb1a60b2609a8f6828", kill_on_drop: false }`
[INFO] [stdout] 7822bd9d28d3e4c4ab935c3fa7e629052070b9ce4cbca9cb1a60b2609a8f6828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba907176db7cc27f394d2bb77f139ed6469291d93e6dd3872d08ed6975946a39
[INFO] running `Command { std: "docker" "start" "-a" "ba907176db7cc27f394d2bb77f139ed6469291d93e6dd3872d08ed6975946a39", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typed-arena v2.0.0
[INFO] [stderr]    Compiling BinaryTree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |         if (self.left.as_ref().unwrap().left.is_none()) {
[INFO] [stdout]    |            ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -         if (self.left.as_ref().unwrap().left.is_none()) {
[INFO] [stdout] 67 +         if self.left.as_ref().unwrap().left.is_none() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |         if (self.value.unwrap() <= value) {
[INFO] [stdout]     |            ^                            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -         if (self.value.unwrap() <= value) {
[INFO] [stdout] 135 +         if self.value.unwrap() <= value {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:136:16
[INFO] [stdout]     |
[INFO] [stdout] 136 |             if (self.right.is_none()) {
[INFO] [stdout]     |                ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 136 -             if (self.right.is_none()) {
[INFO] [stdout] 136 +             if self.right.is_none() {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:140:16
[INFO] [stdout]     |
[INFO] [stdout] 140 |             if (self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout]     |                ^
[INFO] [stdout] 141 |                 && self.right.as_ref().unwrap().left.is_none()
[INFO] [stdout] 142 |                 && self.right.as_ref().unwrap().right.is_none())
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 140 ~             if self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout] 141 |                 && self.right.as_ref().unwrap().left.is_none()
[INFO] [stdout] 142 ~                 && self.right.as_ref().unwrap().right.is_none()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |             if (self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout]     |                ^
[INFO] [stdout] 148 |                 && self.right.as_ref().unwrap().right.is_some())
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 ~             if self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout] 148 ~                 && self.right.as_ref().unwrap().right.is_some()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:155:16
[INFO] [stdout]     |
[INFO] [stdout] 155 |             if (self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout]     |                ^
[INFO] [stdout] 156 |                 && self.right.as_ref().unwrap().left.is_some())
[INFO] [stdout]     |                                                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 155 ~             if self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout] 156 ~                 && self.right.as_ref().unwrap().left.is_some()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `BinaryTree` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `binary_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `findMin` should have a snake case name
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn findMin(&mut self) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `find_min`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "ba907176db7cc27f394d2bb77f139ed6469291d93e6dd3872d08ed6975946a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba907176db7cc27f394d2bb77f139ed6469291d93e6dd3872d08ed6975946a39", kill_on_drop: false }`
[INFO] [stdout] ba907176db7cc27f394d2bb77f139ed6469291d93e6dd3872d08ed6975946a39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2feb991d2eb2505acb0e98a53561bec994efd8e1f89e5c76ad51d612d62e2d61
[INFO] running `Command { std: "docker" "start" "-a" "2feb991d2eb2505acb0e98a53561bec994efd8e1f89e5c76ad51d612d62e2d61", kill_on_drop: false }`
[INFO] [stderr]    Compiling BinaryTree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |         if (self.left.as_ref().unwrap().left.is_none()) {
[INFO] [stdout]    |            ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 67 -         if (self.left.as_ref().unwrap().left.is_none()) {
[INFO] [stdout] 67 +         if self.left.as_ref().unwrap().left.is_none() {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 |         if (self.value.unwrap() <= value) {
[INFO] [stdout]     |            ^                            ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 135 -         if (self.value.unwrap() <= value) {
[INFO] [stdout] 135 +         if self.value.unwrap() <= value {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:136:16
[INFO] [stdout]     |
[INFO] [stdout] 136 |             if (self.right.is_none()) {
[INFO] [stdout]     |                ^                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 136 -             if (self.right.is_none()) {
[INFO] [stdout] 136 +             if self.right.is_none() {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:140:16
[INFO] [stdout]     |
[INFO] [stdout] 140 |             if (self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout]     |                ^
[INFO] [stdout] 141 |                 && self.right.as_ref().unwrap().left.is_none()
[INFO] [stdout] 142 |                 && self.right.as_ref().unwrap().right.is_none())
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 140 ~             if self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout] 141 |                 && self.right.as_ref().unwrap().left.is_none()
[INFO] [stdout] 142 ~                 && self.right.as_ref().unwrap().right.is_none()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:147:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |             if (self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout]     |                ^
[INFO] [stdout] 148 |                 && self.right.as_ref().unwrap().right.is_some())
[INFO] [stdout]     |                                                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 ~             if self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout] 148 ~                 && self.right.as_ref().unwrap().right.is_some()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:155:16
[INFO] [stdout]     |
[INFO] [stdout] 155 |             if (self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout]     |                ^
[INFO] [stdout] 156 |                 && self.right.as_ref().unwrap().left.is_some())
[INFO] [stdout]     |                                                               ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 155 ~             if self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stdout] 156 ~                 && self.right.as_ref().unwrap().left.is_some()
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `BinaryTree` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `binary_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `findMin` should have a snake case name
[INFO] [stdout]   --> src/main.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn findMin(&mut self) -> Option<i32> {
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to snake case: `find_min`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "2feb991d2eb2505acb0e98a53561bec994efd8e1f89e5c76ad51d612d62e2d61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2feb991d2eb2505acb0e98a53561bec994efd8e1f89e5c76ad51d612d62e2d61", kill_on_drop: false }`
[INFO] [stdout] 2feb991d2eb2505acb0e98a53561bec994efd8e1f89e5c76ad51d612d62e2d61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 059ccba9a3c629deb1710f70dc8a0ed802722fb721d10cfa2d56b1039c466c06
[INFO] running `Command { std: "docker" "start" "-a" "059ccba9a3c629deb1710f70dc8a0ed802722fb721d10cfa2d56b1039c466c06", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |         if (self.left.as_ref().unwrap().left.is_none()) {
[INFO] [stderr]    |            ^                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 67 -         if (self.left.as_ref().unwrap().left.is_none()) {
[INFO] [stderr] 67 +         if self.left.as_ref().unwrap().left.is_none() {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:135:12
[INFO] [stderr]     |
[INFO] [stderr] 135 |         if (self.value.unwrap() <= value) {
[INFO] [stderr]     |            ^                            ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 135 -         if (self.value.unwrap() <= value) {
[INFO] [stderr] 135 +         if self.value.unwrap() <= value {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:136:16
[INFO] [stderr]     |
[INFO] [stderr] 136 |             if (self.right.is_none()) {
[INFO] [stderr]     |                ^                    ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 136 -             if (self.right.is_none()) {
[INFO] [stderr] 136 +             if self.right.is_none() {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:140:16
[INFO] [stderr]     |
[INFO] [stderr] 140 |             if (self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stderr]     |                ^
[INFO] [stderr] 141 |                 && self.right.as_ref().unwrap().left.is_none()
[INFO] [stderr] 142 |                 && self.right.as_ref().unwrap().right.is_none())
[INFO] [stderr]     |                                                                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 140 ~             if self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stderr] 141 |                 && self.right.as_ref().unwrap().left.is_none()
[INFO] [stderr] 142 ~                 && self.right.as_ref().unwrap().right.is_none()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:147:16
[INFO] [stderr]     |
[INFO] [stderr] 147 |             if (self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stderr]     |                ^
[INFO] [stderr] 148 |                 && self.right.as_ref().unwrap().right.is_some())
[INFO] [stderr]     |                                                                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 147 ~             if self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stderr] 148 ~                 && self.right.as_ref().unwrap().right.is_some()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:155:16
[INFO] [stderr]     |
[INFO] [stderr] 155 |             if (self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stderr]     |                ^
[INFO] [stderr] 156 |                 && self.right.as_ref().unwrap().left.is_some())
[INFO] [stderr]     |                                                               ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 155 ~             if self.right.as_ref().unwrap().value.unwrap() == value
[INFO] [stderr] 156 ~                 && self.right.as_ref().unwrap().left.is_some()
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: crate `BinaryTree` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `binary_tree`
[INFO] [stderr] 
[INFO] [stderr] warning: method `findMin` should have a snake case name
[INFO] [stderr]   --> src/main.rs:64:8
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn findMin(&mut self) -> Option<i32> {
[INFO] [stderr]    |        ^^^^^^^ help: convert the identifier to snake case: `find_min`
[INFO] [stderr] 
[INFO] [stderr] warning: `BinaryTree` (bin "BinaryTree" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/BinaryTree-fcdae831cc753a81)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "059ccba9a3c629deb1710f70dc8a0ed802722fb721d10cfa2d56b1039c466c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059ccba9a3c629deb1710f70dc8a0ed802722fb721d10cfa2d56b1039c466c06", kill_on_drop: false }`
[INFO] [stdout] 059ccba9a3c629deb1710f70dc8a0ed802722fb721d10cfa2d56b1039c466c06