[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhn1991%2FBinaryTree" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mhn1991/BinaryTree on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-2/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4aadaf0c6a7d388d80d01260b1f643fd638106123de722f28ce41b447b2e0766
[INFO] running `Command { std: "docker" "start" "-a" "4aadaf0c6a7d388d80d01260b1f643fd638106123de722f28ce41b447b2e0766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aadaf0c6a7d388d80d01260b1f643fd638106123de722f28ce41b447b2e0766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aadaf0c6a7d388d80d01260b1f643fd638106123de722f28ce41b447b2e0766", kill_on_drop: false }`
[INFO] [stdout] 4aadaf0c6a7d388d80d01260b1f643fd638106123de722f28ce41b447b2e0766
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e6649d40933b10086b4c8663e4e9741fe94e0b039b88f7aa32f2c2d83170134
[INFO] running `Command { std: "docker" "start" "-a" "4e6649d40933b10086b4c8663e4e9741fe94e0b039b88f7aa32f2c2d83170134", kill_on_drop: false }`
[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]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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 0.52s
[INFO] running `Command { std: "docker" "inspect" "4e6649d40933b10086b4c8663e4e9741fe94e0b039b88f7aa32f2c2d83170134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6649d40933b10086b4c8663e4e9741fe94e0b039b88f7aa32f2c2d83170134", kill_on_drop: false }`
[INFO] [stdout] 4e6649d40933b10086b4c8663e4e9741fe94e0b039b88f7aa32f2c2d83170134
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 025d77126d6567059906ae356f886a23b7a7831e439c08bcc4f3da3cb9a50c78
[INFO] running `Command { std: "docker" "start" "-a" "025d77126d6567059906ae356f886a23b7a7831e439c08bcc4f3da3cb9a50c78", 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]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[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]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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 0.37s
[INFO] running `Command { std: "docker" "inspect" "025d77126d6567059906ae356f886a23b7a7831e439c08bcc4f3da3cb9a50c78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "025d77126d6567059906ae356f886a23b7a7831e439c08bcc4f3da3cb9a50c78", kill_on_drop: false }`
[INFO] [stdout] 025d77126d6567059906ae356f886a23b7a7831e439c08bcc4f3da3cb9a50c78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] daddf8e114fa3688009f34277c1203ee76e0d92bb6ecc1f253e08e06ab82b609
[INFO] running `Command { std: "docker" "start" "-a" "daddf8e114fa3688009f34277c1203ee76e0d92bb6ecc1f253e08e06ab82b609", kill_on_drop: false }`
[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]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[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]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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]     |                ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/BinaryTree-8b4565d6fcbd39c0)
[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" "daddf8e114fa3688009f34277c1203ee76e0d92bb6ecc1f253e08e06ab82b609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daddf8e114fa3688009f34277c1203ee76e0d92bb6ecc1f253e08e06ab82b609", kill_on_drop: false }`
[INFO] [stdout] daddf8e114fa3688009f34277c1203ee76e0d92bb6ecc1f253e08e06ab82b609