[INFO] cloning repository https://github.com/ManjulaNishanth/algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ManjulaNishanth/algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManjulaNishanth%2Falgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManjulaNishanth%2Falgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38c6b26202baf3e474c1fff25c17c33cd8b1702d
[INFO] checking ManjulaNishanth/algorithms/38c6b26202baf3e474c1fff25c17c33cd8b1702d against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManjulaNishanth%2Falgorithms" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ManjulaNishanth/algorithms on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ManjulaNishanth/algorithms
[INFO] finished tweaking git repo https://github.com/ManjulaNishanth/algorithms
[INFO] tweaked toml for git repo https://github.com/ManjulaNishanth/algorithms written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ManjulaNishanth/algorithms 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" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac1b06ab3e46fd58267bef3035caf41cc3c05aa9a98460a1e286188154afbfb3
[INFO] running `Command { std: "docker" "start" "-a" "ac1b06ab3e46fd58267bef3035caf41cc3c05aa9a98460a1e286188154afbfb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac1b06ab3e46fd58267bef3035caf41cc3c05aa9a98460a1e286188154afbfb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1b06ab3e46fd58267bef3035caf41cc3c05aa9a98460a1e286188154afbfb3", kill_on_drop: false }`
[INFO] [stdout] ac1b06ab3e46fd58267bef3035caf41cc3c05aa9a98460a1e286188154afbfb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b85f886af783ee877732852af537c9183c9f107a9eed65a9f6744cdd9110847f
[INFO] running `Command { std: "docker" "start" "-a" "b85f886af783ee877732852af537c9183c9f107a9eed65a9f6744cdd9110847f", kill_on_drop: false }`
[INFO] [stderr]     Checking algorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/hash_map/h_map.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/hash_map/h_map.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn put(&mut self, key: T, value: V) -> Option<V> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `binary_search` is never used
[INFO] [stdout]  --> src/binary_search.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn binary_search<T: Ord + std::fmt::Debug>(input: &[T], target: &T) -> Option<usize> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Viking` is never constructed
[INFO] [stdout]  --> src/hash_map/h_map.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Viking {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_MAX_SIZE` is never used
[INFO] [stdout]   --> src/hash_map/h_map.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const DEFAULT_MAX_SIZE: u64 = 256;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]   --> src/hash_map/h_map.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct HashMap<T, V> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HashMap` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyValue` is never constructed
[INFO] [stdout]   --> src/hash_map/h_map.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct KeyValue<T, V> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KeyValue` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_key` is never used
[INFO] [stdout]   --> src/hash_map/h_map.rs:34:4
[INFO] [stdout]    |
[INFO] [stdout] 34 | fn hash_key<T: Hash>(key: T) -> u64 {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `INIT`, `new`, and `put` are never used
[INFO] [stdout]   --> src/hash_map/h_map.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl<T: Clone + std::hash::Hash, V> HashMap<T, V> {
[INFO] [stdout]    | ------------------------------------------------- associated items in this implementation
[INFO] [stdout] 42 |     const INIT: Option<KeyValue<T, V>> = None;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 43 |     pub fn new() -> HashMap<T, V> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn put(&mut self, key: T, value: V) -> Option<V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashTable` is never constructed
[INFO] [stdout]  --> src/hash_map/model.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct HashTable<K, V> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashTable` is never constructed
[INFO] [stdout]  --> src/hash_table/model.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct HashTable<K, V> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/hash_map/h_map.rs:50:31
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn put(&mut self, key: T, value: V) -> Option<V> {
[INFO] [stdout]    |                               ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Viking` is never constructed
[INFO] [stdout]  --> src/hash_map/h_map.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Viking {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `curr_size` and `arr` are never read
[INFO] [stdout]   --> src/hash_map/h_map.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct HashMap<T, V> {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 23 |     curr_size: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 24 |     arr: [Option<KeyValue<T, V>>; DEFAULT_MAX_SIZE as usize],
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HashMap` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `key`, `value`, and `next` are never read
[INFO] [stdout]   --> src/hash_map/h_map.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct KeyValue<T, V> {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 29 |     key: T,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 30 |     value: V,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 31 |     next: Option<Box<KeyValue<T, V>>>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `KeyValue` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashTable` is never constructed
[INFO] [stdout]  --> src/hash_map/model.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct HashTable<K, V> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashTable` is never constructed
[INFO] [stdout]  --> src/hash_table/model.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct HashTable<K, V> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "b85f886af783ee877732852af537c9183c9f107a9eed65a9f6744cdd9110847f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b85f886af783ee877732852af537c9183c9f107a9eed65a9f6744cdd9110847f", kill_on_drop: false }`
[INFO] [stdout] b85f886af783ee877732852af537c9183c9f107a9eed65a9f6744cdd9110847f