[INFO] cloning repository https://github.com/jzw2/rust-data-structures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jzw2/rust-data-structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjzw2%2Frust-data-structures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjzw2%2Frust-data-structures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6298f3c9b2a86861399b2f38c1dbf56a01acaeb1
[INFO] checking jzw2/rust-data-structures against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjzw2%2Frust-data-structures" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jzw2/rust-data-structures
[INFO] finished tweaking git repo https://github.com/jzw2/rust-data-structures
[INFO] tweaked toml for git repo https://github.com/jzw2/rust-data-structures written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jzw2/rust-data-structures on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jzw2/rust-data-structures 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rust-datastructures` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0944170c651282531a28dff20b81adaec2bed01eb38dc9e0d55bf990ec20bd45
[INFO] running `Command { std: "docker" "start" "-a" "0944170c651282531a28dff20b81adaec2bed01eb38dc9e0d55bf990ec20bd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0944170c651282531a28dff20b81adaec2bed01eb38dc9e0d55bf990ec20bd45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0944170c651282531a28dff20b81adaec2bed01eb38dc9e0d55bf990ec20bd45", kill_on_drop: false }`
[INFO] [stdout] 0944170c651282531a28dff20b81adaec2bed01eb38dc9e0d55bf990ec20bd45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c5c50acb46953653986841c3fb324d4421ef596448a29842d59968311a90738
[INFO] running `Command { std: "docker" "start" "-a" "3c5c50acb46953653986841c3fb324d4421ef596448a29842d59968311a90738", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `rust-datastructures` (manifest) generated 1 warning
[INFO] [stderr]     Checking rust-datastructures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/main.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn find(&self, key: usize) -> Option<&T> {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/main.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn delete(&mut self, key: usize) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `BinarySearchTree` is never constructed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct BinarySearchTree<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data` and `root` are never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct BinarySearchTree<T> {
[INFO] [stdout]   |            ---------------- fields in this struct
[INFO] [stdout] 2 |     data: Vec<Node<T>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |
[INFO] [stdout] 4 |     root: Option<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: fields `key`, `value`, `left`, and `right` are never read
[INFO] [stdout]   --> src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Node<T> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout]  8 |     key: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  9 |     value: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     left: Option<usize>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     right: Option<usize>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `find`, `insert`, and `delete` are never used
[INFO] [stdout]   --> src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<T> BinarySearchTree<T> {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout] 17 |
[INFO] [stdout] 18 |     fn new() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn find(&self, key: usize) -> Option<&T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn insert(&mut self, key: usize, value: T) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn delete(&mut self, key: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-datastructures` (bin "rust-datastructures" test) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/main.rs:21:20
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn find(&self, key: usize) -> Option<&T> {
[INFO] [stdout]    |                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]   --> src/main.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn delete(&mut self, key: usize) {
[INFO] [stdout]    |                          ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `BinarySearchTree` is never constructed
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct BinarySearchTree<T> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]   = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `data` and `root` are never read
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct BinarySearchTree<T> {
[INFO] [stdout]   |            ---------------- fields in this struct
[INFO] [stdout] 2 |     data: Vec<Node<T>>,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 3 |
[INFO] [stdout] 4 |     root: Option<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: fields `key`, `value`, `left`, and `right` are never read
[INFO] [stdout]   --> src/main.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | struct Node<T> {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout]  8 |     key: usize,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]  9 |     value: T,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 10 |     left: Option<usize>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     right: Option<usize>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `find`, `insert`, and `delete` are never used
[INFO] [stdout]   --> src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl<T> BinarySearchTree<T> {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout] 17 |
[INFO] [stdout] 18 |     fn new() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn find(&self, key: usize) -> Option<&T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn insert(&mut self, key: usize, value: T) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn delete(&mut self, key: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-datastructures` (bin "rust-datastructures") due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3c5c50acb46953653986841c3fb324d4421ef596448a29842d59968311a90738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c5c50acb46953653986841c3fb324d4421ef596448a29842d59968311a90738", kill_on_drop: false }`
[INFO] [stdout] 3c5c50acb46953653986841c3fb324d4421ef596448a29842d59968311a90738
