[INFO] cloning repository https://github.com/tcaputi/rust-bplus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcaputi/rust-bplus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcaputi%2Frust-bplus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcaputi%2Frust-bplus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 152425b3cb422f8e83ed76b8a4af6ff2c6e9f5d1
[INFO] checking tcaputi/rust-bplus against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcaputi%2Frust-bplus" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tcaputi/rust-bplus
[INFO] finished tweaking git repo https://github.com/tcaputi/rust-bplus
[INFO] tweaked toml for git repo https://github.com/tcaputi/rust-bplus written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tcaputi/rust-bplus on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tcaputi/rust-bplus 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" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "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: `bplus_tree` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking tcaputi/rust-bplus against e977a0b5ab976a591981e7263bd67a71a4f79308 for pr-158914
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcaputi%2Frust-bplus" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tcaputi/rust-bplus
[INFO] finished tweaking git repo https://github.com/tcaputi/rust-bplus
[INFO] tweaked toml for git repo https://github.com/tcaputi/rust-bplus written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tcaputi/rust-bplus on toolchain e977a0b5ab976a591981e7263bd67a71a4f79308
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tcaputi/rust-bplus 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" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "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: `bplus_tree` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] db9075f8b44a4e1df7215b463d2241ac4fcf02503dc28e7c025c9a830cb0d758
[INFO] running `Command { std: "docker" "start" "db9075f8b44a4e1df7215b463d2241ac4fcf02503dc28e7c025c9a830cb0d758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db9075f8b44a4e1df7215b463d2241ac4fcf02503dc28e7c025c9a830cb0d758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db9075f8b44a4e1df7215b463d2241ac4fcf02503dc28e7c025c9a830cb0d758" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db9075f8b44a4e1df7215b463d2241ac4fcf02503dc28e7c025c9a830cb0d758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db9075f8b44a4e1df7215b463d2241ac4fcf02503dc28e7c025c9a830cb0d758" "/opt/rustwide/cargo-home/bin/cargo" "+e977a0b5ab976a591981e7263bd67a71a4f79308" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `bplus_tree` (manifest) generated 1 warning
[INFO] [stderr]     Checking bplus_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let mut node = Rc::get_mut(node_rc).unwrap(); /* unwrap the Rc */
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |                 let mut node = Rc::get_mut(node_rc).unwrap(); /* unwrap the Rc */
[INFO] [stdout]    |                     ----^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interior`
[INFO] [stdout]   --> src/main.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     BPlusNode::Interior(ref mut interior) => {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interior`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `interior`
[INFO] [stdout]   --> src/main.rs:78:41
[INFO] [stdout]    |
[INFO] [stdout] 78 |                     BPlusNode::Interior(ref mut interior) => {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_interior`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]    --> src/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let tree: BPlusTree<u64, TestData> = BPlusTree::new();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tree`
[INFO] [stdout]    --> src/main.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let tree: BPlusTree<u64, TestData> = BPlusTree::new();
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_tree`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent`, `keys`, and `values` are never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct BPlusLeaf<K: Ord + Copy, V: Copy> {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 17 |     parent: Option<Weak<BPlusInterior<K, V>>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     keys: Vec<K>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     values: Vec<V>,
[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 `parent`, `keys`, and `children` are never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct BPlusInterior<K: Ord + Copy, V: Copy> {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 30 |     parent: Option<Weak<BPlusInterior<K, V>>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |     keys: Vec<K>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     children: Vec<Rc<BPlusNode<K, V>>>
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent`, `keys`, and `values` are never read
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct BPlusLeaf<K: Ord + Copy, V: Copy> {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 17 |     parent: Option<Weak<BPlusInterior<K, V>>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 18 |     keys: Vec<K>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 19 |     values: Vec<V>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Leaf` and `Interior` are never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum BPlusNode<K: Ord + Copy, V: Copy> {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 40 |     Leaf(BPlusLeaf<K, V>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 41 |     Interior(BPlusInterior<K, V>)
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct BPlusTree<K: Ord + Copy, V: Copy> {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 50 |     root: Option<Rc<BPlusNode<K, V>>>
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `parent`, `keys`, and `children` are never read
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct BPlusInterior<K: Ord + Copy, V: Copy> {
[INFO] [stdout]    |        ------------- fields in this struct
[INFO] [stdout] 30 |     parent: Option<Weak<BPlusInterior<K, V>>>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 31 |     keys: Vec<K>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 32 |     children: Vec<Rc<BPlusNode<K, V>>>
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<K: Ord + Copy, V: Copy> BPlusTree<K, V> {
[INFO] [stdout]    | -------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn insert(&mut self, key: &K, value: &V) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Leaf` and `Interior` are never constructed
[INFO] [stdout]   --> src/main.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | enum BPlusNode<K: Ord + Copy, V: Copy> {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 40 |     Leaf(BPlusLeaf<K, V>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 41 |     Interior(BPlusInterior<K, V>)
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | struct BPlusTree<K: Ord + Copy, V: Copy> {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] 50 |     root: Option<Rc<BPlusNode<K, V>>>
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct TestData {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 98 |     data: [u64;  4],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `insert` is never used
[INFO] [stdout]   --> src/main.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | impl<K: Ord + Copy, V: Copy> BPlusTree<K, V> {
[INFO] [stdout]    | -------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn insert(&mut self, key: &K, value: &V) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `data` is never read
[INFO] [stdout]   --> src/main.rs:98:5
[INFO] [stdout]    |
[INFO] [stdout] 97 | struct TestData {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 98 |     data: [u64;  4],
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestData` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "db9075f8b44a4e1df7215b463d2241ac4fcf02503dc28e7c025c9a830cb0d758", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db9075f8b44a4e1df7215b463d2241ac4fcf02503dc28e7c025c9a830cb0d758", kill_on_drop: false }`
[INFO] [stdout] db9075f8b44a4e1df7215b463d2241ac4fcf02503dc28e7c025c9a830cb0d758
