[INFO] cloning repository https://github.com/SonicFrog/furry-bassoon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SonicFrog/furry-bassoon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSonicFrog%2Ffurry-bassoon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSonicFrog%2Ffurry-bassoon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03bc7cd0bce6dd1aeb5033b42ff0bbde83d54fa5
[INFO] checking SonicFrog/furry-bassoon against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSonicFrog%2Ffurry-bassoon" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SonicFrog/furry-bassoon on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SonicFrog/furry-bassoon
[INFO] finished tweaking git repo https://github.com/SonicFrog/furry-bassoon
[INFO] tweaked toml for git repo https://github.com/SonicFrog/furry-bassoon written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SonicFrog/furry-bassoon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.1.0-pre.0
[INFO] [stderr]   Downloaded rand v0.5.0-pre.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e27dedd45ed258974bf821801ef4cb19c69eadac4d739cc7da6054b4e01d919
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4e27dedd45ed258974bf821801ef4cb19c69eadac4d739cc7da6054b4e01d919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e27dedd45ed258974bf821801ef4cb19c69eadac4d739cc7da6054b4e01d919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e27dedd45ed258974bf821801ef4cb19c69eadac4d739cc7da6054b4e01d919", kill_on_drop: false }`
[INFO] [stdout] 4e27dedd45ed258974bf821801ef4cb19c69eadac4d739cc7da6054b4e01d919
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5712e5be415d3ca541f916a4d46024ca918a3bd465bd73aca264720e0caea1c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5712e5be415d3ca541f916a4d46024ca918a3bd465bd73aca264720e0caea1c9", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]     Checking rand_core v0.1.0-pre.0
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking rand v0.5.0-pre.0
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking memcached v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AtomicI64`, `Ordering`
[INFO] [stdout]    --> src/loan_map.rs:358:29
[INFO] [stdout]     |
[INFO] [stdout] 358 |     use std::sync::atomic::{AtomicI64, Ordering};
[INFO] [stdout]     |                             ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hasher`
[INFO] [stdout]   --> src/map.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     hasher: DefaultHasher,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/map.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn remove(&self, key: &K) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DEFAULT_TABLE_CAPACITY`
[INFO] [stdout]   --> src/loan_map.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | const DEFAULT_TABLE_CAPACITY: usize = 128;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DEFAULT_BUCKET_CAPACITY`
[INFO] [stdout]   --> src/loan_map.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const DEFAULT_BUCKET_CAPACITY: usize = 128;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `head`
[INFO] [stdout]   --> src/loan_map.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     head: AtomicUsize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_capacity`
[INFO] [stdout]   --> src/loan_map.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn with_capacity(cap: usize) -> VersionTable<K, V> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `current_head`
[INFO] [stdout]   --> src/loan_map.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn current_head(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next_head`
[INFO] [stdout]   --> src/loan_map.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn next_head(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scan`
[INFO] [stdout]   --> src/loan_map.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn scan<F>(&self, f: F) -> RwLockReadGuard<Bucket<K, V>>
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/loan_map.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn remove(&self, key: K) -> Option<V> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scan_mut`
[INFO] [stdout]   --> src/loan_map.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn scan_mut<F>(&self, f: F) -> RwLockWriteGuard<Bucket<K, V>>
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/loan_map.rs:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     fn update(&self, key: K, value: V) -> Option<V> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `newest`
[INFO] [stdout]   --> src/loan_map.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 |     fn newest(&self, key: &K) -> Option<RwLockReadGuard<Bucket<K, V>>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Empty`
[INFO] [stdout]    --> src/loan_map.rs:114:5
[INFO] [stdout]     |
[INFO] [stdout] 114 |     Empty,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Removed`
[INFO] [stdout]    --> src/loan_map.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 115 |     Removed(K),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Contains`
[INFO] [stdout]    --> src/loan_map.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 |     Contains(K, V),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_free`
[INFO] [stdout]    --> src/loan_map.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_free(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]    --> src/loan_map.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn value(self) -> Option<V> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key`
[INFO] [stdout]    --> src/loan_map.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn key(&self) -> Option<&K> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value_ref`
[INFO] [stdout]    --> src/loan_map.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn value_ref(&self) -> Result<&V, ()> {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key_matches`
[INFO] [stdout]    --> src/loan_map.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn key_matches(&self, key: &K) -> bool
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hash_builder`
[INFO] [stdout]    --> src/loan_map.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     hash_builder: RandomState,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `buckets`
[INFO] [stdout]    --> src/loan_map.rs:168:5
[INFO] [stdout]     |
[INFO] [stdout] 168 |     buckets: Vec<VersionTable<K, V>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_capacity`
[INFO] [stdout]    --> src/loan_map.rs:175:8
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn with_capacity(cap: usize, bucket_size: usize) -> Table<K, V> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `hash`
[INFO] [stdout]    --> src/loan_map.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 |     fn hash(&self, key: &K) -> usize {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scan`
[INFO] [stdout]    --> src/loan_map.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 |     fn scan<F>(&self, key: &K, matches: F) -> RwLockReadGuard<Bucket<K, V>>
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `scan_mut`
[INFO] [stdout]    --> src/loan_map.rs:198:8
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn scan_mut<F>(&self, key: &K, matches: F) -> RwLockWriteGuard<Bucket<K, V>>
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup`
[INFO] [stdout]    --> src/loan_map.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn lookup(&self, key: &K) -> RwLockReadGuard<Bucket<K, V>> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_or_free`
[INFO] [stdout]    --> src/loan_map.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn lookup_or_free(&self, key: &K) -> RwLockWriteGuard<Bucket<K, V>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]    --> src/loan_map.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn remove(&self, key: K) -> Option<V> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_or_free_mut`
[INFO] [stdout]    --> src/loan_map.rs:226:8
[INFO] [stdout]     |
[INFO] [stdout] 226 |     fn lookup_or_free_mut(&self, key: &K) -> RwLockWriteGuard<Bucket<K, V>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_mut`
[INFO] [stdout]    --> src/loan_map.rs:233:8
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn lookup_mut(&self, key: &K) -> RwLockWriteGuard<Bucket<K, V>> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LoanMap`
[INFO] [stdout]    --> src/loan_map.rs:283:12
[INFO] [stdout]     |
[INFO] [stdout] 283 | pub struct LoanMap<K, V>
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/loan_map.rs:295:12
[INFO] [stdout]     |
[INFO] [stdout] 295 |     pub fn new() -> LoanMap<K, V> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_capacity`
[INFO] [stdout]    --> src/loan_map.rs:301:12
[INFO] [stdout]     |
[INFO] [stdout] 301 |     pub fn with_capacity(cap: usize, bucket_size: usize) -> LoanMap<K, V> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]    --> src/loan_map.rs:307:12
[INFO] [stdout]     |
[INFO] [stdout] 307 |     pub fn get(&self, key: &K) -> Option<ReadGuard<K, V>> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `upsert`
[INFO] [stdout]    --> src/loan_map.rs:319:12
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn upsert<F>(&self, key: K, f: F) -> Option<V>
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `put`
[INFO] [stdout]    --> src/loan_map.rs:333:12
[INFO] [stdout]     |
[INFO] [stdout] 333 |     pub fn put(&self, key: K, val: V) -> Option<V> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]    --> src/loan_map.rs:340:12
[INFO] [stdout]     |
[INFO] [stdout] 340 |     pub fn remove(&self, key: K) -> Option<V> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 39 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keys`
[INFO] [stdout]    --> src/loan_map.rs:617:13
[INFO] [stdout]     |
[INFO] [stdout] 617 |         let keys = gen_rand_strings(size * 2, size);
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_keys`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]    --> src/loan_map.rs:618:13
[INFO] [stdout]     |
[INFO] [stdout] 618 |         let values = gen_rand_strings(size * 2, size);
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/loan_map.rs:641:19
[INFO] [stdout]     |
[INFO] [stdout] 641 |         for (key, value) in kv1 {
[INFO] [stdout]     |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/loan_map.rs:492:33
[INFO] [stdout]     |
[INFO] [stdout] 492 | ...                   let mut elapsed;
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/loan_map.rs:474:37
[INFO] [stdout]     |
[INFO] [stdout] 474 | ...                   let mut start;
[INFO] [stdout]     |                           ----^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hasher`
[INFO] [stdout]   --> src/map.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     hasher: DefaultHasher,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]   --> src/loan_map.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 |     fn remove(&self, key: K) -> Option<V> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_free`
[INFO] [stdout]    --> src/loan_map.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn is_free(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key`
[INFO] [stdout]    --> src/loan_map.rs:135:8
[INFO] [stdout]     |
[INFO] [stdout] 135 |     fn key(&self) -> Option<&K> {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_or_free`
[INFO] [stdout]    --> src/loan_map.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn lookup_or_free(&self, key: &K) -> RwLockWriteGuard<Bucket<K, V>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove`
[INFO] [stdout]    --> src/loan_map.rs:222:8
[INFO] [stdout]     |
[INFO] [stdout] 222 |     fn remove(&self, key: K) -> Option<V> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lookup_mut`
[INFO] [stdout]    --> src/loan_map.rs:233:8
[INFO] [stdout]     |
[INFO] [stdout] 233 |     fn lookup_mut(&self, key: &K) -> RwLockWriteGuard<Bucket<K, V>> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `upsert`
[INFO] [stdout]    --> src/loan_map.rs:319:12
[INFO] [stdout]     |
[INFO] [stdout] 319 |     pub fn upsert<F>(&self, key: K, f: F) -> Option<V>
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "5712e5be415d3ca541f916a4d46024ca918a3bd465bd73aca264720e0caea1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5712e5be415d3ca541f916a4d46024ca918a3bd465bd73aca264720e0caea1c9", kill_on_drop: false }`
[INFO] [stdout] 5712e5be415d3ca541f916a4d46024ca918a3bd465bd73aca264720e0caea1c9