[INFO] crate rehashinghashmap 0.1.2 is already in cache
[INFO] extracting crate rehashinghashmap 0.1.2 into work/ex/clippy-test-run/sources/stable/reg/rehashinghashmap/0.1.2
[INFO] extracting crate rehashinghashmap 0.1.2 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rehashinghashmap/0.1.2
[INFO] validating manifest of rehashinghashmap-0.1.2 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rehashinghashmap-0.1.2 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rehashinghashmap-0.1.2
[INFO] finished frobbing rehashinghashmap-0.1.2
[INFO] frobbed toml for rehashinghashmap-0.1.2 written to work/ex/clippy-test-run/sources/stable/reg/rehashinghashmap/0.1.2/Cargo.toml
[INFO] started frobbing rehashinghashmap-0.1.2
[INFO] finished frobbing rehashinghashmap-0.1.2
[INFO] frobbed toml for rehashinghashmap-0.1.2 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rehashinghashmap/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting rehashinghashmap-0.1.2 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/rehashinghashmap/0.1.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dclippy::into_iter_on_array" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b71f1afd5d22a567db220be21744cb0a3e488256c3a01322b953c5b4b43cf900
[INFO] running `"docker" "start" "-a" "b71f1afd5d22a567db220be21744cb0a3e488256c3a01322b953c5b4b43cf900"`
[INFO] [stderr]     Checking rehashinghashmap v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |             len: len,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `len`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |             len: len,
[INFO] [stderr]     |             ^^^^^^^^ help: replace it with: `len`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 | /         if self.rehashing {
[INFO] [stderr] 200 | |             if self.get_secondary().contains_key(&key) {
[INFO] [stderr] 201 | |                 return self.get_mut_secondary().entry(key);
[INFO] [stderr] 202 | |             }
[INFO] [stderr] 203 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 199 |         if self.rehashing && self.get_secondary().contains_key(&key) {
[INFO] [stderr] 200 |     return self.get_mut_secondary().entry(key);
[INFO] [stderr] 201 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         return true;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this if statement can be collapsed
[INFO] [stderr]    --> src/lib.rs:199:9
[INFO] [stderr]     |
[INFO] [stderr] 199 | /         if self.rehashing {
[INFO] [stderr] 200 | |             if self.get_secondary().contains_key(&key) {
[INFO] [stderr] 201 | |                 return self.get_mut_secondary().entry(key);
[INFO] [stderr] 202 | |             }
[INFO] [stderr] 203 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 199 |         if self.rehashing && self.get_secondary().contains_key(&key) {
[INFO] [stderr] 200 |     return self.get_mut_secondary().entry(key);
[INFO] [stderr] 201 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:256:9
[INFO] [stderr]     |
[INFO] [stderr] 256 |         return true;
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: remove `return` as shown: `true`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
[INFO] [stderr]    |                            ----^^^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:289:18
[INFO] [stderr]     |
[INFO] [stderr] 289 |     fn into_iter(mut self) -> IterMut<'a, K, V> {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |             if self.get_secondary().len() == 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.get_secondary().is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let h =`
[INFO] [stderr]    --> src/lib.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 | /         let h = if self.is1main {
[INFO] [stderr] 115 | |             mem::replace(&mut self.hashmap2, HashMap::new());
[INFO] [stderr] 116 | |         } else {
[INFO] [stderr] 117 | |             mem::replace(&mut self.hashmap1, HashMap::new());
[INFO] [stderr] 118 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a value that implements Copy. Dropping a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:120:31
[INFO] [stderr]     |
[INFO] [stderr] 120 |         thread::spawn(move || drop(rx.recv().unwrap()));
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::drop_copy)] on by default
[INFO] [stderr] note: argument has type ()
[INFO] [stderr]    --> src/lib.rs:120:36
[INFO] [stderr]     |
[INFO] [stderr] 120 |         thread::spawn(move || drop(rx.recv().unwrap()));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_copy
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:120:36
[INFO] [stderr]     |
[INFO] [stderr] 120 |         thread::spawn(move || drop(rx.recv().unwrap()));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 120 |         thread::spawn(move || drop(()));
[INFO] [stderr]     |                                    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |         tx.send(h).unwrap();
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 121 |         tx.send(()).unwrap();
[INFO] [stderr]     |                 ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/lib.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 | /         let mut ret = None;
[INFO] [stderr] 142 | |         if self.rehashing || self.is1main {
[INFO] [stderr] 143 | |             ret = self.hashmap1.remove(&k);
[INFO] [stderr] 144 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let <mut> ret = if self.rehashing || self.is1main { self.hashmap1.remove(&k) } else { None };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: use as_ref() instead
[INFO] [stderr]    --> src/lib.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 | /             match self.get_main().get(k) {
[INFO] [stderr] 157 | |                 Some(ref v) => Some(v),
[INFO] [stderr] 158 | |                 None => self.get_secondary().get(k),
[INFO] [stderr] 159 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `self.get_main().get(k).as_ref()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_as_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_as_ref
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rehashinghashmap`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
[INFO] [stderr]    |                  ----^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:64:28
[INFO] [stderr]    |
[INFO] [stderr] 64 |             let (mut main, mut sec) = if self.is1main {
[INFO] [stderr]    |                            ----^^^
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:289:18
[INFO] [stderr]     |
[INFO] [stderr] 289 |     fn into_iter(mut self) -> IterMut<'a, K, V> {
[INFO] [stderr]     |                  ----^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to zero
[INFO] [stderr]   --> src/lib.rs:60:16
[INFO] [stderr]    |
[INFO] [stderr] 60 |             if self.get_secondary().len() == 0 {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `self.get_secondary().is_empty()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let h =`
[INFO] [stderr]    --> src/lib.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 | /         let h = if self.is1main {
[INFO] [stderr] 115 | |             mem::replace(&mut self.hashmap2, HashMap::new());
[INFO] [stderr] 116 | |         } else {
[INFO] [stderr] 117 | |             mem::replace(&mut self.hashmap1, HashMap::new());
[INFO] [stderr] 118 | |         };
[INFO] [stderr]     | |__________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] error: calls to `std::mem::drop` with a value that implements Copy. Dropping a copy leaves the original intact.
[INFO] [stderr]    --> src/lib.rs:120:31
[INFO] [stderr]     |
[INFO] [stderr] 120 |         thread::spawn(move || drop(rx.recv().unwrap()));
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::drop_copy)] on by default
[INFO] [stderr] note: argument has type ()
[INFO] [stderr]    --> src/lib.rs:120:36
[INFO] [stderr]     |
[INFO] [stderr] 120 |         thread::spawn(move || drop(rx.recv().unwrap()));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#drop_copy
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:120:36
[INFO] [stderr]     |
[INFO] [stderr] 120 |         thread::spawn(move || drop(rx.recv().unwrap()));
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unit_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 120 |         thread::spawn(move || drop(()));
[INFO] [stderr]     |                                    ^^
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/lib.rs:121:17
[INFO] [stderr]     |
[INFO] [stderr] 121 |         tx.send(h).unwrap();
[INFO] [stderr]     |                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unit_arg
[INFO] [stderr] help: if you intended to pass a unit value, use a unit literal instead
[INFO] [stderr]     |
[INFO] [stderr] 121 |         tx.send(()).unwrap();
[INFO] [stderr]     |                 ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]    --> src/lib.rs:141:9
[INFO] [stderr]     |
[INFO] [stderr] 141 | /         let mut ret = None;
[INFO] [stderr] 142 | |         if self.rehashing || self.is1main {
[INFO] [stderr] 143 | |             ret = self.hashmap1.remove(&k);
[INFO] [stderr] 144 | |         }
[INFO] [stderr]     | |_________^ help: it is more idiomatic to write: `let <mut> ret = if self.rehashing || self.is1main { self.hashmap1.remove(&k) } else { None };`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]     = note: you might not need `mut` at all
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: use as_ref() instead
[INFO] [stderr]    --> src/lib.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 | /             match self.get_main().get(k) {
[INFO] [stderr] 157 | |                 Some(ref v) => Some(v),
[INFO] [stderr] 158 | |                 None => self.get_secondary().get(k),
[INFO] [stderr] 159 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `self.get_main().get(k).as_ref()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::match_as_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#match_as_ref
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:398:28
[INFO] [stderr]     |
[INFO] [stderr] 398 |     assert_eq!(hash.insert(key.clone(), value1.clone()), None);
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try removing the `clone` call: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:398:41
[INFO] [stderr]     |
[INFO] [stderr] 398 |     assert_eq!(hash.insert(key.clone(), value1.clone()), None);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: try removing the `clone` call: `value1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:399:28
[INFO] [stderr]     |
[INFO] [stderr] 399 |     assert_eq!(hash.insert(key.clone(), value2.clone()), Some(value1.clone()));
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try removing the `clone` call: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:399:41
[INFO] [stderr]     |
[INFO] [stderr] 399 |     assert_eq!(hash.insert(key.clone(), value2.clone()), Some(value1.clone()));
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: try removing the `clone` call: `value2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:399:63
[INFO] [stderr]     |
[INFO] [stderr] 399 |     assert_eq!(hash.insert(key.clone(), value2.clone()), Some(value1.clone()));
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: try removing the `clone` call: `value1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:402:28
[INFO] [stderr]     |
[INFO] [stderr] 402 |     assert_eq!(hash.insert(key.clone(), value1.clone()), Some(value2.clone()));
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try removing the `clone` call: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:402:41
[INFO] [stderr]     |
[INFO] [stderr] 402 |     assert_eq!(hash.insert(key.clone(), value1.clone()), Some(value2.clone()));
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^ help: try removing the `clone` call: `value1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:402:63
[INFO] [stderr]     |
[INFO] [stderr] 402 |     assert_eq!(hash.insert(key.clone(), value1.clone()), Some(value2.clone()));
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^ help: try removing the `clone` call: `value2`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:414:21
[INFO] [stderr]     |
[INFO] [stderr] 414 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                     ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:414:32
[INFO] [stderr]     |
[INFO] [stderr] 414 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: an inclusive range would be more readable
[INFO] [stderr]    --> src/lib.rs:431:14
[INFO] [stderr]     |
[INFO] [stderr] 431 |     for _ in 0..(len / 2 + 1){
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^ help: use: `0..=len / 2`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::range_plus_one)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#range_plus_one
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:454:28
[INFO] [stderr]     |
[INFO] [stderr] 454 |     assert_eq!(hash.insert(key.clone(), value.clone()), None);
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try removing the `clone` call: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:454:41
[INFO] [stderr]     |
[INFO] [stderr] 454 |     assert_eq!(hash.insert(key.clone(), value.clone()), None);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:470:28
[INFO] [stderr]     |
[INFO] [stderr] 470 |     assert_eq!(hash.insert(key.clone(), value.clone()), None);
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try removing the `clone` call: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:470:41
[INFO] [stderr]     |
[INFO] [stderr] 470 |     assert_eq!(hash.insert(key.clone(), value.clone()), None);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:482:28
[INFO] [stderr]     |
[INFO] [stderr] 482 |     assert_eq!(hash.insert(key.clone(), value.clone()), None);
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try removing the `clone` call: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:482:41
[INFO] [stderr]     |
[INFO] [stderr] 482 |     assert_eq!(hash.insert(key.clone(), value.clone()), None);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:493:28
[INFO] [stderr]     |
[INFO] [stderr] 493 |     assert_eq!(hash.insert(key.clone(), value.clone()), None);
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try removing the `clone` call: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:493:41
[INFO] [stderr]     |
[INFO] [stderr] 493 |     assert_eq!(hash.insert(key.clone(), value.clone()), None);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:505:28
[INFO] [stderr]     |
[INFO] [stderr] 505 |     assert_eq!(hash.insert(key.clone(), value.clone()), None);
[INFO] [stderr]     |                            ^^^^^^^^^^^ help: try removing the `clone` call: `key`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:505:41
[INFO] [stderr]     |
[INFO] [stderr] 505 |     assert_eq!(hash.insert(key.clone(), value.clone()), None);
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:519:21
[INFO] [stderr]     |
[INFO] [stderr] 519 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                     ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:519:32
[INFO] [stderr]     |
[INFO] [stderr] 519 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:520:24
[INFO] [stderr]     |
[INFO] [stderr] 520 |         control.insert(i.clone(), i.clone());
[INFO] [stderr]     |                        ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:520:35
[INFO] [stderr]     |
[INFO] [stderr] 520 |         control.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                   ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:541:21
[INFO] [stderr]     |
[INFO] [stderr] 541 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                     ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:541:32
[INFO] [stderr]     |
[INFO] [stderr] 541 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:542:24
[INFO] [stderr]     |
[INFO] [stderr] 542 |         control.insert(i.clone(), i.clone());
[INFO] [stderr]     |                        ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:542:35
[INFO] [stderr]     |
[INFO] [stderr] 542 |         control.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                   ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:569:21
[INFO] [stderr]     |
[INFO] [stderr] 569 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                     ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:569:32
[INFO] [stderr]     |
[INFO] [stderr] 569 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:570:24
[INFO] [stderr]     |
[INFO] [stderr] 570 |         control.insert(i.clone(), i.clone());
[INFO] [stderr]     |                        ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:570:35
[INFO] [stderr]     |
[INFO] [stderr] 570 |         control.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                   ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:591:21
[INFO] [stderr]     |
[INFO] [stderr] 591 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                     ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:591:32
[INFO] [stderr]     |
[INFO] [stderr] 591 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:592:24
[INFO] [stderr]     |
[INFO] [stderr] 592 |         control.insert(i.clone(), i.clone());
[INFO] [stderr]     |                        ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:592:35
[INFO] [stderr]     |
[INFO] [stderr] 592 |         control.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                   ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:612:21
[INFO] [stderr]     |
[INFO] [stderr] 612 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                     ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:612:32
[INFO] [stderr]     |
[INFO] [stderr] 612 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:652:21
[INFO] [stderr]     |
[INFO] [stderr] 652 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                     ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:652:32
[INFO] [stderr]     |
[INFO] [stderr] 652 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:671:21
[INFO] [stderr]     |
[INFO] [stderr] 671 |         hash.insert(value.clone(), value.clone());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:671:36
[INFO] [stderr]     |
[INFO] [stderr] 671 |         hash.insert(value.clone(), value.clone());
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:685:21
[INFO] [stderr]     |
[INFO] [stderr] 685 |         hash.insert(value.clone(), value.clone());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:685:36
[INFO] [stderr]     |
[INFO] [stderr] 685 |         hash.insert(value.clone(), value.clone());
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:700:21
[INFO] [stderr]     |
[INFO] [stderr] 700 |         hash.insert(value.clone(), value.clone());
[INFO] [stderr]     |                     ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:700:36
[INFO] [stderr]     |
[INFO] [stderr] 700 |         hash.insert(value.clone(), value.clone());
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^ help: try removing the `clone` call: `value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:717:22
[INFO] [stderr]     |
[INFO] [stderr] 717 |         hash1.insert(i.clone(), i.clone());
[INFO] [stderr]     |                      ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:717:33
[INFO] [stderr]     |
[INFO] [stderr] 717 |         hash1.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                 ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:718:22
[INFO] [stderr]     |
[INFO] [stderr] 718 |         hash2.insert(i.clone(), i.clone());
[INFO] [stderr]     |                      ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:718:33
[INFO] [stderr]     |
[INFO] [stderr] 718 |         hash2.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                 ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:736:21
[INFO] [stderr]     |
[INFO] [stderr] 736 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                     ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:736:32
[INFO] [stderr]     |
[INFO] [stderr] 736 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:751:21
[INFO] [stderr]     |
[INFO] [stderr] 751 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                     ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:751:32
[INFO] [stderr]     |
[INFO] [stderr] 751 |         hash.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:752:24
[INFO] [stderr]     |
[INFO] [stderr] 752 |         control.insert(i.clone(), i.clone());
[INFO] [stderr]     |                        ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/lib.rs:752:35
[INFO] [stderr]     |
[INFO] [stderr] 752 |         control.insert(i.clone(), i.clone());
[INFO] [stderr]     |                                   ^^^^^^^^^ help: try removing the `clone` call: `i`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rehashinghashmap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b71f1afd5d22a567db220be21744cb0a3e488256c3a01322b953c5b4b43cf900"`
[INFO] running `"docker" "rm" "-f" "b71f1afd5d22a567db220be21744cb0a3e488256c3a01322b953c5b4b43cf900"`
[INFO] [stdout] b71f1afd5d22a567db220be21744cb0a3e488256c3a01322b953c5b4b43cf900