[INFO] cloning repository https://github.com/jwhntf/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/jwhntf/binary_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwhntf%2Fbinary_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwhntf%2Fbinary_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b10be1abc89abe11b53830f44e70ebfbc8f8e5d
[INFO] checking jwhntf/binary_tree against master#fce0e74720d199eb7839fdb51af35ac5226da178 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwhntf%2Fbinary_tree" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jwhntf/binary_tree
[INFO] finished tweaking git repo https://github.com/jwhntf/binary_tree
[INFO] tweaked toml for git repo https://github.com/jwhntf/binary_tree written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jwhntf/binary_tree on toolchain fce0e74720d199eb7839fdb51af35ac5226da178
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jwhntf/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" "+fce0e74720d199eb7839fdb51af35ac5226da178" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding random v0.14.0
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a79b667ada2b5002daf4ad1eede0805e2eeac0b2c0e538b5fbbb7c5bda0bc17
[INFO] running `Command { std: "docker" "start" "-a" "9a79b667ada2b5002daf4ad1eede0805e2eeac0b2c0e538b5fbbb7c5bda0bc17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a79b667ada2b5002daf4ad1eede0805e2eeac0b2c0e538b5fbbb7c5bda0bc17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a79b667ada2b5002daf4ad1eede0805e2eeac0b2c0e538b5fbbb7c5bda0bc17", kill_on_drop: false }`
[INFO] [stdout] 9a79b667ada2b5002daf4ad1eede0805e2eeac0b2c0e538b5fbbb7c5bda0bc17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+fce0e74720d199eb7839fdb51af35ac5226da178" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0396fa4d086e3bae88dc68747d2df28f066a4adb43ab6aaa536293565df07a52
[INFO] running `Command { std: "docker" "start" "-a" "0396fa4d086e3bae88dc68747d2df28f066a4adb43ab6aaa536293565df07a52", kill_on_drop: false }`
[INFO] [stderr]     Checking random v0.14.0
[INFO] [stderr]     Checking Here v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated items `build_from_raw`, `build_whole`, `borrow_value`, `set_left_child`, `set_right_child`, and `is_leaf` are never used
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 16 |     fn build_from_raw(data: T) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn build_whole(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn borrow_value(&self) -> &T {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn set_left_child(&mut self, data: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn set_right_child(&mut self, data: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn is_leaf(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/main.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl<T: Display> BinaryTree<T> {
[INFO] [stdout]     | ------------------------------ associated items in this implementation
[INFO] [stdout]  72 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     fn pre_order(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     fn in_order(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     fn post_order(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     fn pre_order_non_recursive(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn in_order_non_recursive(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn post_order_non_recursive(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tags` is never used
[INFO] [stdout]    --> src/main.rs:186:6
[INFO] [stdout]     |
[INFO] [stdout] 186 | enum Tags {Left, Right}
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StackElement` is never constructed
[INFO] [stdout]    --> src/main.rs:187:8
[INFO] [stdout]     |
[INFO] [stdout] 187 | struct StackElement<'a, T> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `build_from_raw`, `build_whole`, `borrow_value`, `set_left_child`, `set_right_child`, and `is_leaf` are never used
[INFO] [stdout]   --> src/main.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl<T> Node<T> {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 16 |     fn build_from_raw(data: T) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn build_whole(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 35 |     fn borrow_value(&self) -> &T {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     fn set_left_child(&mut self, data: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn set_right_child(&mut self, data: T) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn is_leaf(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/main.rs:72:8
[INFO] [stdout]     |
[INFO] [stdout]  71 | impl<T: Display> BinaryTree<T> {
[INFO] [stdout]     | ------------------------------ associated items in this implementation
[INFO] [stdout]  72 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  80 |     fn pre_order(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     fn in_order(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     fn post_order(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 104 |     fn pre_order_non_recursive(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn in_order_non_recursive(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     fn post_order_non_recursive(&self, root: &Option<Box<Node<T>>>) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Tags` is never used
[INFO] [stdout]    --> src/main.rs:186:6
[INFO] [stdout]     |
[INFO] [stdout] 186 | enum Tags {Left, Right}
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StackElement` is never constructed
[INFO] [stdout]    --> src/main.rs:187:8
[INFO] [stdout]     |
[INFO] [stdout] 187 | struct StackElement<'a, T> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "0396fa4d086e3bae88dc68747d2df28f066a4adb43ab6aaa536293565df07a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0396fa4d086e3bae88dc68747d2df28f066a4adb43ab6aaa536293565df07a52", kill_on_drop: false }`
[INFO] [stdout] 0396fa4d086e3bae88dc68747d2df28f066a4adb43ab6aaa536293565df07a52
