[INFO] crate multi_mut 0.1.3 is already in cache
[INFO] extracting crate multi_mut 0.1.3 into work/ex/clippy-test-run/sources/stable/reg/multi_mut/0.1.3
[INFO] extracting crate multi_mut 0.1.3 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/multi_mut/0.1.3
[INFO] validating manifest of multi_mut-0.1.3 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 multi_mut-0.1.3 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 multi_mut-0.1.3
[INFO] finished frobbing multi_mut-0.1.3
[INFO] frobbed toml for multi_mut-0.1.3 written to work/ex/clippy-test-run/sources/stable/reg/multi_mut/0.1.3/Cargo.toml
[INFO] started frobbing multi_mut-0.1.3
[INFO] finished frobbing multi_mut-0.1.3
[INFO] frobbed toml for multi_mut-0.1.3 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/multi_mut/0.1.3/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 multi_mut-0.1.3 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-7/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/multi_mut/0.1.3:/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" "-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] a516753a22f1ae601269bb2d21dfedbccb2af1e415c42c58c552b8c020617555
[INFO] running `"docker" "start" "-a" "a516753a22f1ae601269bb2d21dfedbccb2af1e415c42c58c552b8c020617555"`
[INFO] [stderr]     Checking multi_mut v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:127:49
[INFO] [stderr]     |
[INFO] [stderr] 127 |         HashMapMutWrapper { used: 0, map: self, buffer: buffer }
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^ help: replace it with: `buffer`
[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:323:50
[INFO] [stderr]     |
[INFO] [stderr] 323 |         BTreeMapMutWrapper { used: 0, map: self, buffer: buffer }
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^ help: replace it with: `buffer`
[INFO] [stderr]     |
[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:127:49
[INFO] [stderr]     |
[INFO] [stderr] 127 |         HashMapMutWrapper { used: 0, map: self, buffer: buffer }
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^ help: replace it with: `buffer`
[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:323:50
[INFO] [stderr]     |
[INFO] [stderr] 323 |         BTreeMapMutWrapper { used: 0, map: self, buffer: buffer }
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^ help: replace it with: `buffer`
[INFO] [stderr]     |
[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: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/lib.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / fn ref_eq<'a, 'b, T>(thing: &'a T, other: &'b T) -> bool {
[INFO] [stderr] 10 | |     (thing as *const T) == (other as *const T)
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]   --> src/lib.rs:37:43
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<K: Hash + Eq, V> HashMapMultiMut for HashMap<K, V> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::implicit_hasher)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher> HashMapMultiMut for HashMap<K, V, S> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:54:36
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     unsafe { Some((transmute(v_1), transmute(v_2))) }   // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:54:52
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     unsafe { Some((transmute(v_1), transmute(v_2))) }   // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:74:23
[INFO] [stderr]    |
[INFO] [stderr] 74 |             unsafe { (transmute(v_1), transmute(v_2)) } // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:74:39
[INFO] [stderr]    |
[INFO] [stderr] 74 |             unsafe { (transmute(v_1), transmute(v_2)) } // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:95:36
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:95:52
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:95:68
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_3 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:117:23
[INFO] [stderr]     |
[INFO] [stderr] 117 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:117:39
[INFO] [stderr]     |
[INFO] [stderr] 117 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:117:55
[INFO] [stderr]     |
[INFO] [stderr] 117 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_3 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/lib.rs:133:79
[INFO] [stderr]     |
[INFO] [stderr] 133 |         HashMapMultiMutIter { mut_wrapper: self.multi_mut(buffer), keys: keys.into_iter() }
[INFO] [stderr]     |                                                                               ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:169:22
[INFO] [stderr]     |
[INFO] [stderr] 169 |         Some(unsafe{ transmute(v) })
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: try: `&mut *(v as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:250:36
[INFO] [stderr]     |
[INFO] [stderr] 250 |                     unsafe { Some((transmute(v_1), transmute(v_2))) }   // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:250:52
[INFO] [stderr]     |
[INFO] [stderr] 250 |                     unsafe { Some((transmute(v_1), transmute(v_2))) }   // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:270:23
[INFO] [stderr]     |
[INFO] [stderr] 270 |             unsafe { (transmute(v_1), transmute(v_2)) } // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:270:39
[INFO] [stderr]     |
[INFO] [stderr] 270 |             unsafe { (transmute(v_1), transmute(v_2)) } // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:291:36
[INFO] [stderr]     |
[INFO] [stderr] 291 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:291:52
[INFO] [stderr]     |
[INFO] [stderr] 291 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:291:68
[INFO] [stderr]     |
[INFO] [stderr] 291 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_3 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:313:23
[INFO] [stderr]     |
[INFO] [stderr] 313 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:313:39
[INFO] [stderr]     |
[INFO] [stderr] 313 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:313:55
[INFO] [stderr]     |
[INFO] [stderr] 313 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_3 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/lib.rs:329:80
[INFO] [stderr]     |
[INFO] [stderr] 329 |         BTreeMapMultiMutIter { mut_wrapper: self.multi_mut(buffer), keys: keys.into_iter() }
[INFO] [stderr]     |                                                                                ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:365:22
[INFO] [stderr]     |
[INFO] [stderr] 365 |         Some(unsafe{ transmute(v) })
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: try: `&mut *(v as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: explicit lifetimes given in parameter types where they could be elided (or replaced with `'_` if needed by type declaration)
[INFO] [stderr]   --> src/lib.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / fn ref_eq<'a, 'b, T>(thing: &'a T, other: &'b T) -> bool {
[INFO] [stderr] 10 | |     (thing as *const T) == (other as *const T)
[INFO] [stderr] 11 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::needless_lifetimes)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stderr] 
[INFO] [stderr] warning: impl for `HashMap` should be generalized over different hashers
[INFO] [stderr]   --> src/lib.rs:37:43
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<K: Hash + Eq, V> HashMapMultiMut for HashMap<K, V> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::implicit_hasher)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#implicit_hasher
[INFO] [stderr] help: consider adding a type parameter
[INFO] [stderr]    |
[INFO] [stderr] 37 | impl<K: Hash + Eq, V, S: ::std::hash::BuildHasher> HashMapMultiMut for HashMap<K, V, S> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:54:36
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     unsafe { Some((transmute(v_1), transmute(v_2))) }   // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::transmute_ptr_to_ptr)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:54:52
[INFO] [stderr]    |
[INFO] [stderr] 54 |                     unsafe { Some((transmute(v_1), transmute(v_2))) }   // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:74:23
[INFO] [stderr]    |
[INFO] [stderr] 74 |             unsafe { (transmute(v_1), transmute(v_2)) } // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:74:39
[INFO] [stderr]    |
[INFO] [stderr] 74 |             unsafe { (transmute(v_1), transmute(v_2)) } // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:95:36
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:95:52
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]   --> src/lib.rs:95:68
[INFO] [stderr]    |
[INFO] [stderr] 95 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]    |                                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_3 as *const V as *mut V)`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:117:23
[INFO] [stderr]     |
[INFO] [stderr] 117 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:117:39
[INFO] [stderr]     |
[INFO] [stderr] 117 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:117:55
[INFO] [stderr]     |
[INFO] [stderr] 117 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_3 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/lib.rs:133:79
[INFO] [stderr]     |
[INFO] [stderr] 133 |         HashMapMultiMutIter { mut_wrapper: self.multi_mut(buffer), keys: keys.into_iter() }
[INFO] [stderr]     |                                                                               ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::into_iter_on_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:169:22
[INFO] [stderr]     |
[INFO] [stderr] 169 |         Some(unsafe{ transmute(v) })
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: try: `&mut *(v as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:250:36
[INFO] [stderr]     |
[INFO] [stderr] 250 |                     unsafe { Some((transmute(v_1), transmute(v_2))) }   // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:250:52
[INFO] [stderr]     |
[INFO] [stderr] 250 |                     unsafe { Some((transmute(v_1), transmute(v_2))) }   // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:270:23
[INFO] [stderr]     |
[INFO] [stderr] 270 |             unsafe { (transmute(v_1), transmute(v_2)) } // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:270:39
[INFO] [stderr]     |
[INFO] [stderr] 270 |             unsafe { (transmute(v_1), transmute(v_2)) } // This is safe to do because we checked that v_1 and v_2 don't alias,
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:291:36
[INFO] [stderr]     |
[INFO] [stderr] 291 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:291:52
[INFO] [stderr]     |
[INFO] [stderr] 291 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:291:68
[INFO] [stderr]     |
[INFO] [stderr] 291 |                     unsafe { Some((transmute(v_1), transmute(v_2), transmute(v_3))) } 
[INFO] [stderr]     |                                                                    ^^^^^^^^^^^^^^ help: try: `&mut *(v_3 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:313:23
[INFO] [stderr]     |
[INFO] [stderr] 313 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_1 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:313:39
[INFO] [stderr]     |
[INFO] [stderr] 313 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_2 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:313:55
[INFO] [stderr]     |
[INFO] [stderr] 313 |             unsafe { (transmute(v_1), transmute(v_2), transmute(v_3)) }
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^ help: try: `&mut *(v_3 as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr] warning: this .into_iter() call is equivalent to .iter() and will not move the slice
[INFO] [stderr]    --> src/lib.rs:329:80
[INFO] [stderr]     |
[INFO] [stderr] 329 |         BTreeMapMultiMutIter { mut_wrapper: self.multi_mut(buffer), keys: keys.into_iter() }
[INFO] [stderr]     |                                                                                ^^^^^^^^^ help: call directly: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#into_iter_on_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a reference
[INFO] [stderr]    --> src/lib.rs:365:22
[INFO] [stderr]     |
[INFO] [stderr] 365 |         Some(unsafe{ transmute(v) })
[INFO] [stderr]     |                      ^^^^^^^^^^^^ help: try: `&mut *(v as *const V as *mut V)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ptr
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `"docker" "inspect" "a516753a22f1ae601269bb2d21dfedbccb2af1e415c42c58c552b8c020617555"`
[INFO] running `"docker" "rm" "-f" "a516753a22f1ae601269bb2d21dfedbccb2af1e415c42c58c552b8c020617555"`
[INFO] [stdout] a516753a22f1ae601269bb2d21dfedbccb2af1e415c42c58c552b8c020617555