[INFO] cloning repository https://github.com/bp7968h/rust_dsa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bp7968h/rust_dsa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbp7968h%2Frust_dsa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbp7968h%2Frust_dsa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85465d054e425aa65e8f990e7ece36442f1d5921
[INFO] checking bp7968h/rust_dsa against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbp7968h%2Frust_dsa" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bp7968h/rust_dsa
[INFO] finished tweaking git repo https://github.com/bp7968h/rust_dsa
[INFO] tweaked toml for git repo https://github.com/bp7968h/rust_dsa written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bp7968h/rust_dsa on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bp7968h/rust_dsa 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6a6dec9a08428fcdc9d3a4d30cca6a7338de4e180339d595f362b26f00663d7
[INFO] running `Command { std: "docker" "start" "-a" "a6a6dec9a08428fcdc9d3a4d30cca6a7338de4e180339d595f362b26f00663d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a6dec9a08428fcdc9d3a4d30cca6a7338de4e180339d595f362b26f00663d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a6dec9a08428fcdc9d3a4d30cca6a7338de4e180339d595f362b26f00663d7", kill_on_drop: false }`
[INFO] [stdout] a6a6dec9a08428fcdc9d3a4d30cca6a7338de4e180339d595f362b26f00663d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cc5fb11b0bbc1a9fa7541ee15de69fd969a3cd94d85f5baa5eef8a9bbcac52a
[INFO] running `Command { std: "docker" "start" "-a" "2cc5fb11b0bbc1a9fa7541ee15de69fd969a3cd94d85f5baa5eef8a9bbcac52a", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_dsa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `key_len`, `child_len`, and `is_leaf` are never used
[INFO] [stdout]   --> src/data_structure/b_tree.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Node {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] 13 |     fn key_len(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn child_len(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     fn is_leaf(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `is_empty`, `insert`, `insert_non_full`, and `split_child` are never used
[INFO] [stdout]   --> src/data_structure/b_tree.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl BTree {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 33 |     fn new(order: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn is_empty(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     fn insert(&mut self, key: usize) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |     fn insert_non_full(&mut self, key: usize, node: &mut Node) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |     fn split_child(&mut self, index: usize, parent: &mut Node) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrieNode` is never constructed
[INFO] [stdout]  --> src/data_structure/trie.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct TrieNode {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/data_structure/trie.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl TrieNode {
[INFO] [stdout]   | ------------- associated function in this implementation
[INFO] [stdout] 9 |     fn new() -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Trie` is never constructed
[INFO] [stdout]   --> src/data_structure/trie.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Trie {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `char_to_index`, `insert`, `search`, and `get` are never used
[INFO] [stdout]   --> src/data_structure/trie.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Trie {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 24 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn char_to_index(c: char) -> Option<usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn insert(&mut self, word: &str) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn search(&self, word: &str) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn get(&self, word: &str) -> Option<Vec<String>> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Point` is never constructed
[INFO] [stdout]  --> src/data_structure/r_tree.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bound` is never constructed
[INFO] [stdout]  --> src/data_structure/r_tree.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Bound {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_min_max` is never used
[INFO] [stdout]   --> src/data_structure/r_tree.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Bound {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 11 |     fn from_min_max(min: Point, max: Point) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeafNode` is never constructed
[INFO] [stdout]   --> src/data_structure/r_tree.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct LeafNode {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InternalNode` is never constructed
[INFO] [stdout]   --> src/data_structure/r_tree.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct InternalNode {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]   --> src/data_structure/r_tree.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Node {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RTree` is never constructed
[INFO] [stdout]   --> src/data_structure/r_tree.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct RTree {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_structure/r_tree.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl RTree {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 41 |     fn new(order: usize, min: Point, max: Point ) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `child_len` is never used
[INFO] [stdout]   --> src/data_structure/b_tree.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Node {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn child_len(&self) -> 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: struct `Point` is never constructed
[INFO] [stdout]  --> src/data_structure/r_tree.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Point {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bound` is never constructed
[INFO] [stdout]  --> src/data_structure/r_tree.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Bound {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_min_max` is never used
[INFO] [stdout]   --> src/data_structure/r_tree.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Bound {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 11 |     fn from_min_max(min: Point, max: Point) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LeafNode` is never constructed
[INFO] [stdout]   --> src/data_structure/r_tree.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct LeafNode {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InternalNode` is never constructed
[INFO] [stdout]   --> src/data_structure/r_tree.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct InternalNode {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Node` is never used
[INFO] [stdout]   --> src/data_structure/r_tree.rs:29:6
[INFO] [stdout]    |
[INFO] [stdout] 29 | enum Node {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RTree` is never constructed
[INFO] [stdout]   --> src/data_structure/r_tree.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct RTree {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/data_structure/r_tree.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl RTree {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 41 |     fn new(order: usize, min: Point, max: Point ) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "2cc5fb11b0bbc1a9fa7541ee15de69fd969a3cd94d85f5baa5eef8a9bbcac52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc5fb11b0bbc1a9fa7541ee15de69fd969a3cd94d85f5baa5eef8a9bbcac52a", kill_on_drop: false }`
[INFO] [stdout] 2cc5fb11b0bbc1a9fa7541ee15de69fd969a3cd94d85f5baa5eef8a9bbcac52a