[INFO] cloning repository https://github.com/zxcev/rust_data_struct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxcev/rust_data_struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcev%2Frust_data_struct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcev%2Frust_data_struct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 958d4b1e4e6d674ba58fd6e466f093f6bc1db862
[INFO] testing zxcev/rust_data_struct against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxcev%2Frust_data_struct" "/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/zxcev/rust_data_struct
[INFO] finished tweaking git repo https://github.com/zxcev/rust_data_struct
[INFO] tweaked toml for git repo https://github.com/zxcev/rust_data_struct written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zxcev/rust_data_struct on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zxcev/rust_data_struct 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faa35a3a5b3cca508dacb7ccdfefb5de092470f9b412f43822e0c9dd8ad19978
[INFO] running `Command { std: "docker" "start" "-a" "faa35a3a5b3cca508dacb7ccdfefb5de092470f9b412f43822e0c9dd8ad19978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faa35a3a5b3cca508dacb7ccdfefb5de092470f9b412f43822e0c9dd8ad19978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faa35a3a5b3cca508dacb7ccdfefb5de092470f9b412f43822e0c9dd8ad19978", kill_on_drop: false }`
[INFO] [stdout] faa35a3a5b3cca508dacb7ccdfefb5de092470f9b412f43822e0c9dd8ad19978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdedc1cd3ee3d902c663d23cc2b3dee4a7ac198aac6266840398ba465c0338c4
[INFO] running `Command { std: "docker" "start" "-a" "bdedc1cd3ee3d902c663d23cc2b3dee4a7ac198aac6266840398ba465c0338c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling data_struct_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]  --> src/hash_map/chaining_hash_map.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mem,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INIT_CAPACITY` is never used
[INFO] [stdout]  --> src/hash_map/chaining_hash_map.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INIT_CAPACITY: usize = 2;
[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 `Entry` is never constructed
[INFO] [stdout]  --> src/hash_map/chaining_hash_map.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Entry<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hash_map/chaining_hash_map.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<K: Hash + Sized + Eq, V: Clone> Entry<K, V> {
[INFO] [stdout]    | ------------------------------------------------ associated function in this implementation
[INFO] [stdout] 15 |     fn new(key: K, value: V) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bucket` is never constructed
[INFO] [stdout]   --> src/hash_map/chaining_hash_map.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Bucket<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push_front`, and `get` are never used
[INFO] [stdout]   --> src/hash_map/chaining_hash_map.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<K: Hash + Sized + Eq, V: Clone> Bucket<K, V> {
[INFO] [stdout]    | ------------------------------------------------- associated items in this implementation
[INFO] [stdout] 23 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn push_front(&mut self, key: K, value: V) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn get(&self, key: &K) -> Option<V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]   --> src/hash_map/chaining_hash_map.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct HashMap<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/hash_map/chaining_hash_map.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<K: Hash + Sized + Eq, V: Clone> HashMap<K, V> {
[INFO] [stdout]    | -------------------------------------------------- associated items in this implementation
[INFO] [stdout] 48 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn with_capacity(cap: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn insert(&mut self, key: K, value: V) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn get(&self, key: &K) -> Option<V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn exists(&self, key: &K) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn hash(&self, key: &K) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     fn resize(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INIT_CAPACITY` is never used
[INFO] [stdout]  --> src/hash_map/open_addressing_hash_map.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const INIT_CAPACITY: usize = 2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]  --> src/hash_map/open_addressing_hash_map.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Entry<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hash_map/open_addressing_hash_map.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<K: Hash + Sized + Eq, V: Clone> Entry<K, V> {
[INFO] [stdout]    | ------------------------------------------------ associated function in this implementation
[INFO] [stdout] 14 |     fn new(key: K, value: V) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]   --> src/hash_map/open_addressing_hash_map.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct HashMap<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/hash_map/open_addressing_hash_map.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<K: Hash + Sized + Eq, V: Clone> HashMap<K, V> {
[INFO] [stdout]    | -------------------------------------------------- associated items in this implementation
[INFO] [stdout] 25 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn with_capacity(cap: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn insert(&mut self, key: K, value: V) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn get(&self, key: &K) -> Option<V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn exists(&self, key: &K) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn hash(&self, key: &K) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     fn resize(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "bdedc1cd3ee3d902c663d23cc2b3dee4a7ac198aac6266840398ba465c0338c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdedc1cd3ee3d902c663d23cc2b3dee4a7ac198aac6266840398ba465c0338c4", kill_on_drop: false }`
[INFO] [stdout] bdedc1cd3ee3d902c663d23cc2b3dee4a7ac198aac6266840398ba465c0338c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ccdd133791976c7c5480390d711a3df63e78de44ad9d78b61732d080e37895c
[INFO] running `Command { std: "docker" "start" "-a" "6ccdd133791976c7c5480390d711a3df63e78de44ad9d78b61732d080e37895c", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]  --> src/hash_map/chaining_hash_map.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mem,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INIT_CAPACITY` is never used
[INFO] [stdout]  --> src/hash_map/chaining_hash_map.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INIT_CAPACITY: usize = 2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling data_struct_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]  --> src/hash_map/chaining_hash_map.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Entry<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hash_map/chaining_hash_map.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl<K: Hash + Sized + Eq, V: Clone> Entry<K, V> {
[INFO] [stdout]    | ------------------------------------------------ associated function in this implementation
[INFO] [stdout] 15 |     fn new(key: K, value: V) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bucket` is never constructed
[INFO] [stdout]   --> src/hash_map/chaining_hash_map.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Bucket<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push_front`, and `get` are never used
[INFO] [stdout]   --> src/hash_map/chaining_hash_map.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<K: Hash + Sized + Eq, V: Clone> Bucket<K, V> {
[INFO] [stdout]    | ------------------------------------------------- associated items in this implementation
[INFO] [stdout] 23 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn push_front(&mut self, key: K, value: V) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn get(&self, key: &K) -> Option<V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]   --> src/hash_map/chaining_hash_map.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct HashMap<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/hash_map/chaining_hash_map.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<K: Hash + Sized + Eq, V: Clone> HashMap<K, V> {
[INFO] [stdout]    | -------------------------------------------------- associated items in this implementation
[INFO] [stdout] 48 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn with_capacity(cap: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn insert(&mut self, key: K, value: V) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn get(&self, key: &K) -> Option<V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn exists(&self, key: &K) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     fn hash(&self, key: &K) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 95 |     fn resize(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INIT_CAPACITY` is never used
[INFO] [stdout]  --> src/hash_map/open_addressing_hash_map.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const INIT_CAPACITY: usize = 2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Entry` is never constructed
[INFO] [stdout]  --> src/hash_map/open_addressing_hash_map.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct Entry<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/hash_map/open_addressing_hash_map.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<K: Hash + Sized + Eq, V: Clone> Entry<K, V> {
[INFO] [stdout]    | ------------------------------------------------ associated function in this implementation
[INFO] [stdout] 14 |     fn new(key: K, value: V) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]   --> src/hash_map/open_addressing_hash_map.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct HashMap<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/hash_map/open_addressing_hash_map.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<K: Hash + Sized + Eq, V: Clone> HashMap<K, V> {
[INFO] [stdout]    | -------------------------------------------------- associated items in this implementation
[INFO] [stdout] 25 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn with_capacity(cap: usize) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn insert(&mut self, key: K, value: V) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn get(&self, key: &K) -> Option<V> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn exists(&self, key: &K) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     fn hash(&self, key: &K) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     fn resize(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `mem`
[INFO] [stdout]  --> src/hash_map/chaining_hash_map.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mem,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INIT_CAPACITY` is never used
[INFO] [stdout]  --> src/hash_map/chaining_hash_map.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const INIT_CAPACITY: usize = 2;
[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` and `exists` are never used
[INFO] [stdout]   --> src/hash_map/chaining_hash_map.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<K: Hash + Sized + Eq, V: Clone> HashMap<K, V> {
[INFO] [stdout]    | -------------------------------------------------- associated items in this implementation
[INFO] [stdout] 48 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     fn exists(&self, key: &K) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INIT_CAPACITY` is never used
[INFO] [stdout]  --> src/hash_map/open_addressing_hash_map.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const INIT_CAPACITY: usize = 2;
[INFO] [stdout]   |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `exists` are never used
[INFO] [stdout]   --> src/hash_map/open_addressing_hash_map.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<K: Hash + Sized + Eq, V: Clone> HashMap<K, V> {
[INFO] [stdout]    | -------------------------------------------------- associated items in this implementation
[INFO] [stdout] 25 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn exists(&self, key: &K) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "6ccdd133791976c7c5480390d711a3df63e78de44ad9d78b61732d080e37895c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ccdd133791976c7c5480390d711a3df63e78de44ad9d78b61732d080e37895c", kill_on_drop: false }`
[INFO] [stdout] 6ccdd133791976c7c5480390d711a3df63e78de44ad9d78b61732d080e37895c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a6d9d5a47c2509068047691283d9bee3c5cdff357d6949d3ecafa1ed02dd525a
[INFO] running `Command { std: "docker" "start" "-a" "a6d9d5a47c2509068047691283d9bee3c5cdff357d6949d3ecafa1ed02dd525a", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `mem`
[INFO] [stderr]  --> src/hash_map/chaining_hash_map.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     mem,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `INIT_CAPACITY` is never used
[INFO] [stderr]  --> src/hash_map/chaining_hash_map.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | const INIT_CAPACITY: usize = 2;
[INFO] [stderr]   |       ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Entry` is never constructed
[INFO] [stderr]  --> src/hash_map/chaining_hash_map.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | struct Entry<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/hash_map/chaining_hash_map.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl<K: Hash + Sized + Eq, V: Clone> Entry<K, V> {
[INFO] [stderr]    | ------------------------------------------------ associated function in this implementation
[INFO] [stderr] 15 |     fn new(key: K, value: V) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Bucket` is never constructed
[INFO] [stderr]   --> src/hash_map/chaining_hash_map.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct Bucket<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `push_front`, and `get` are never used
[INFO] [stderr]   --> src/hash_map/chaining_hash_map.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | impl<K: Hash + Sized + Eq, V: Clone> Bucket<K, V> {
[INFO] [stderr]    | ------------------------------------------------- associated items in this implementation
[INFO] [stderr] 23 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     fn push_front(&mut self, key: K, value: V) {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |     fn get(&self, key: &K) -> Option<V> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HashMap` is never constructed
[INFO] [stderr]   --> src/hash_map/chaining_hash_map.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 42 | struct HashMap<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/hash_map/chaining_hash_map.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl<K: Hash + Sized + Eq, V: Clone> HashMap<K, V> {
[INFO] [stderr]    | -------------------------------------------------- associated items in this implementation
[INFO] [stderr] 48 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     fn with_capacity(cap: usize) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     fn insert(&mut self, key: K, value: V) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 73 |     fn get(&self, key: &K) -> Option<V> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 |     fn exists(&self, key: &K) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 85 |     fn hash(&self, key: &K) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 95 |     fn resize(&mut self) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `INIT_CAPACITY` is never used
[INFO] [stderr]  --> src/hash_map/open_addressing_hash_map.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | const INIT_CAPACITY: usize = 2;
[INFO] [stderr]   |       ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Entry` is never constructed
[INFO] [stderr]  --> src/hash_map/open_addressing_hash_map.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct Entry<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/hash_map/open_addressing_hash_map.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl<K: Hash + Sized + Eq, V: Clone> Entry<K, V> {
[INFO] [stderr]    | ------------------------------------------------ associated function in this implementation
[INFO] [stderr] 14 |     fn new(key: K, value: V) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `HashMap` is never constructed
[INFO] [stderr]   --> src/hash_map/open_addressing_hash_map.rs:19:8
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct HashMap<K: Hash + Sized + Eq, V: Clone> {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/hash_map/open_addressing_hash_map.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl<K: Hash + Sized + Eq, V: Clone> HashMap<K, V> {
[INFO] [stderr]    | -------------------------------------------------- associated items in this implementation
[INFO] [stderr] 25 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 28 |     fn with_capacity(cap: usize) -> Self {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     fn insert(&mut self, key: K, value: V) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 53 |     fn get(&self, key: &K) -> Option<V> {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |     fn exists(&self, key: &K) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 71 |     fn hash(&self, key: &K) -> usize {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 90 |     fn resize(&mut self) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `data_struct_rs` (lib) generated 13 warnings (run `cargo fix --lib -p data_struct_rs` to apply 1 suggestion)
[INFO] [stderr] warning: associated items `new` and `exists` are never used
[INFO] [stderr]   --> src/hash_map/chaining_hash_map.rs:48:8
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl<K: Hash + Sized + Eq, V: Clone> HashMap<K, V> {
[INFO] [stderr]    | -------------------------------------------------- associated items in this implementation
[INFO] [stderr] 48 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 81 |     fn exists(&self, key: &K) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new` and `exists` are never used
[INFO] [stderr]   --> src/hash_map/open_addressing_hash_map.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl<K: Hash + Sized + Eq, V: Clone> HashMap<K, V> {
[INFO] [stderr]    | -------------------------------------------------- associated items in this implementation
[INFO] [stderr] 25 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 67 |     fn exists(&self, key: &K) -> bool {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `data_struct_rs` (lib test) generated 5 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/data_struct_rs-b07427dc08b2b5a2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test hash_map::open_addressing_hash_map::tests::test ... ok
[INFO] [stderr]    Doc-tests data_struct_rs
[INFO] [stdout] test hash_map::chaining_hash_map::tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6d9d5a47c2509068047691283d9bee3c5cdff357d6949d3ecafa1ed02dd525a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d9d5a47c2509068047691283d9bee3c5cdff357d6949d3ecafa1ed02dd525a", kill_on_drop: false }`
[INFO] [stdout] a6d9d5a47c2509068047691283d9bee3c5cdff357d6949d3ecafa1ed02dd525a
