[INFO] crate ladspa 0.3.4 is already in cache
[INFO] extracting crate ladspa 0.3.4 into work/ex/clippy-test-run/sources/stable/reg/ladspa/0.3.4
[INFO] extracting crate ladspa 0.3.4 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ladspa/0.3.4
[INFO] validating manifest of ladspa-0.3.4 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 ladspa-0.3.4 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 ladspa-0.3.4
[INFO] finished frobbing ladspa-0.3.4
[INFO] frobbed toml for ladspa-0.3.4 written to work/ex/clippy-test-run/sources/stable/reg/ladspa/0.3.4/Cargo.toml
[INFO] started frobbing ladspa-0.3.4
[INFO] finished frobbing ladspa-0.3.4
[INFO] frobbed toml for ladspa-0.3.4 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/ladspa/0.3.4/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 ladspa-0.3.4 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/ladspa/0.3.4:/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] 950e0b5af6cbae9d89bd735d22aa3e78761c139c63f60a2871532a8f548f1ebb
[INFO] running `"docker" "start" "-a" "950e0b5af6cbae9d89bd735d22aa3e78761c139c63f60a2871532a8f548f1ebb"`
[INFO] [stderr]     Checking ladspa v0.3.4 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/ffi.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 instantiate: instantiate,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `instantiate`
[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/ffi.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 connect_port: connect_port,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `connect_port`
[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/ffi.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 run: run,
[INFO] [stderr]     |                 ^^^^^^^^ help: replace it with: `run`
[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/ffi.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 cleanup: cleanup,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `cleanup`
[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/ffi.rs:224:13
[INFO] [stderr]     |
[INFO] [stderr] 224 |             port_map: port_map,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `port_map`
[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/ffi.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |             ports: ports,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `ports`
[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/ffi.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |             port: port,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `port`
[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/ffi.rs:260:13
[INFO] [stderr]     |
[INFO] [stderr] 260 |             data: data,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `data`
[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/ffi.rs:151:17
[INFO] [stderr]     |
[INFO] [stderr] 151 |                 instantiate: instantiate,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `instantiate`
[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/ffi.rs:152:17
[INFO] [stderr]     |
[INFO] [stderr] 152 |                 connect_port: connect_port,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `connect_port`
[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/ffi.rs:153:17
[INFO] [stderr]     |
[INFO] [stderr] 153 |                 run: run,
[INFO] [stderr]     |                 ^^^^^^^^ help: replace it with: `run`
[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/ffi.rs:154:17
[INFO] [stderr]     |
[INFO] [stderr] 154 |                 cleanup: cleanup,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: replace it with: `cleanup`
[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/ffi.rs:224:13
[INFO] [stderr]     |
[INFO] [stderr] 224 |             port_map: port_map,
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `port_map`
[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/ffi.rs:225:13
[INFO] [stderr]     |
[INFO] [stderr] 225 |             ports: ports,
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `ports`
[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/ffi.rs:259:13
[INFO] [stderr]     |
[INFO] [stderr] 259 |             port: port,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `port`
[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/ffi.rs:260:13
[INFO] [stderr]     |
[INFO] [stderr] 260 |             data: data,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `data`
[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: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]    --> src/ffi.rs:106:8
[INFO] [stderr]     |
[INFO] [stderr] 106 |     if DESCRIPTORS == ptr::null_mut() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cmp_null)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a pointer
[INFO] [stderr]    --> src/ffi.rs:113:16
[INFO] [stderr]     |
[INFO] [stderr] 113 |         return mem::transmute(&*(*DESCRIPTORS)[index as usize]);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(*DESCRIPTORS)[index as usize] as *const ffi::ladspa_h::Descriptor as *mut ffi::ladspa_h::Descriptor`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_transmute)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut ffi::ladspa_h::Descriptor`) to a reference type (`&mut ffi::ladspa_h::Descriptor`)
[INFO] [stderr]    --> src/ffi.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |             drop_descriptor(mem::transmute(*desc));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(*desc)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/ffi.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 | /     Vec::from_raw_parts(desc.port_names,
[INFO] [stderr] 187 | |                         desc.port_count as usize,
[INFO] [stderr] 188 | |                         desc.port_count as usize)
[INFO] [stderr] 189 | |         .iter()
[INFO] [stderr] 190 | |         .map(|&x| CString::from_raw(x))
[INFO] [stderr] 191 | |         .collect::<Vec<_>>();
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
[INFO] [stderr]    --> src/ffi.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 | /     Vec::from_raw_parts(desc.port_names,
[INFO] [stderr] 187 | |                         desc.port_count as usize,
[INFO] [stderr] 188 | |                         desc.port_count as usize)
[INFO] [stderr] 189 | |         .iter()
[INFO] [stderr] 190 | |         .map(|&x| CString::from_raw(x))
[INFO] [stderr] 191 | |         .collect::<Vec<_>>();
[INFO] [stderr]     | |____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_collect
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const ffi::ladspa_h::Descriptor`) to a reference type (`&mut ffi::ladspa_h::Descriptor`)
[INFO] [stderr]    --> src/ffi.rs:210:47
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let desc: &mut ladspa_h::Descriptor = mem::transmute(descriptor);
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *descriptor`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&'static PluginDescriptor`)
[INFO] [stderr]    --> src/ffi.rs:212:51
[INFO] [stderr]     |
[INFO] [stderr] 212 |         let rust_desc: &super::PluginDescriptor = mem::transmute(desc.implementation_data);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(desc.implementation_data as *const PluginDescriptor)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&mut ffi::Handle<'_>`)
[INFO] [stderr]    --> src/ffi.rs:234:35
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let handle: &mut Handle = mem::transmute(instance);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(instance as *mut ffi::Handle<'_>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut f32`) to a reference type (`&f32`)
[INFO] [stderr]    --> src/ffi.rs:250:47
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 super::PortData::ControlInput(mem::transmute(data_location))
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*data_location`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut f32`) to a reference type (`&mut f32`)
[INFO] [stderr]    --> src/ffi.rs:253:61
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 super::PortData::ControlOutput(RefCell::new(mem::transmute(data_location)))
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *data_location`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&mut ffi::Handle<'_>`)
[INFO] [stderr]    --> src/ffi.rs:265:39
[INFO] [stderr]     |
[INFO] [stderr] 265 |         let handle_ptr: &mut Handle = mem::transmute(instance);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(instance as *mut ffi::Handle<'_>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&mut ffi::Handle<'_>`)
[INFO] [stderr]    --> src/ffi.rs:274:35
[INFO] [stderr]     |
[INFO] [stderr] 274 |         let handle: &mut Handle = mem::transmute(instance);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(instance as *mut ffi::Handle<'_>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/ffi.rs:289:30
[INFO] [stderr]     |
[INFO] [stderr] 289 |           call_user_code!(Some({
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 290 | |                             let ref mut handle = *handle;
[INFO] [stderr] 291 | |                             handle.plugin.run(sample_count as usize, &handle.ports)
[INFO] [stderr] 292 | |                         }),
[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] 289 |         call_user_code!(Some(()),
[INFO] [stderr]     |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/ffi.rs:290:33
[INFO] [stderr]     |
[INFO] [stderr] 290 |                             let ref mut handle = *handle;
[INFO] [stderr]     |                             ----^^^^^^^^^^^^^^----------- help: try: `let handle = &mut (*handle);`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&mut ffi::Handle<'_>`)
[INFO] [stderr]    --> src/ffi.rs:299:35
[INFO] [stderr]     |
[INFO] [stderr] 299 |         let handle: &mut Handle = mem::transmute(instance);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(instance as *mut ffi::Handle<'_>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/ffi.rs:301:30
[INFO] [stderr]     |
[INFO] [stderr] 301 |         call_user_code!(Some(handle.plugin.activate()), "Plugin::activate");
[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] 301 |         call_user_code!(Some(()), "Plugin::activate");
[INFO] [stderr]     |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&mut ffi::Handle<'_>`)
[INFO] [stderr]    --> src/ffi.rs:306:35
[INFO] [stderr]     |
[INFO] [stderr] 306 |         let handle: &mut Handle = mem::transmute(instance);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(instance as *mut ffi::Handle<'_>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/ffi.rs:308:30
[INFO] [stderr]     |
[INFO] [stderr] 308 |         call_user_code!(Some(handle.plugin.deactivate()), "Plugin::deactivate");
[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] 308 |         call_user_code!(Some(()), "Plugin::deactivate");
[INFO] [stderr]     |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: Comparing with null is better expressed by the .is_null() method
[INFO] [stderr]    --> src/ffi.rs:106:8
[INFO] [stderr]     |
[INFO] [stderr] 106 |     if DESCRIPTORS == ptr::null_mut() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cmp_null)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_null
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a reference to a pointer
[INFO] [stderr]    --> src/ffi.rs:113:16
[INFO] [stderr]     |
[INFO] [stderr] 113 |         return mem::transmute(&*(*DESCRIPTORS)[index as usize]);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(*DESCRIPTORS)[index as usize] as *const ffi::ladspa_h::Descriptor as *mut ffi::ladspa_h::Descriptor`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_transmute)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut ffi::ladspa_h::Descriptor`) to a reference type (`&mut ffi::ladspa_h::Descriptor`)
[INFO] [stderr]    --> src/ffi.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |             drop_descriptor(mem::transmute(*desc));
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(*desc)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::transmute_ptr_to_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stderr]    --> src/ffi.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 | /     Vec::from_raw_parts(desc.port_names,
[INFO] [stderr] 187 | |                         desc.port_count as usize,
[INFO] [stderr] 188 | |                         desc.port_count as usize)
[INFO] [stderr] 189 | |         .iter()
[INFO] [stderr] 190 | |         .map(|&x| CString::from_raw(x))
[INFO] [stderr] 191 | |         .collect::<Vec<_>>();
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stderr] 
[INFO] [stderr] warning: you are collect()ing an iterator and throwing away the result. Consider using an explicit for loop to exhaust the iterator
[INFO] [stderr]    --> src/ffi.rs:186:5
[INFO] [stderr]     |
[INFO] [stderr] 186 | /     Vec::from_raw_parts(desc.port_names,
[INFO] [stderr] 187 | |                         desc.port_count as usize,
[INFO] [stderr] 188 | |                         desc.port_count as usize)
[INFO] [stderr] 189 | |         .iter()
[INFO] [stderr] 190 | |         .map(|&x| CString::from_raw(x))
[INFO] [stderr] 191 | |         .collect::<Vec<_>>();
[INFO] [stderr]     | |____________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_collect)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_collect
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*const ffi::ladspa_h::Descriptor`) to a reference type (`&mut ffi::ladspa_h::Descriptor`)
[INFO] [stderr]    --> src/ffi.rs:210:47
[INFO] [stderr]     |
[INFO] [stderr] 210 |         let desc: &mut ladspa_h::Descriptor = mem::transmute(descriptor);
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *descriptor`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&'static PluginDescriptor`)
[INFO] [stderr]    --> src/ffi.rs:212:51
[INFO] [stderr]     |
[INFO] [stderr] 212 |         let rust_desc: &super::PluginDescriptor = mem::transmute(desc.implementation_data);
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*(desc.implementation_data as *const PluginDescriptor)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&mut ffi::Handle<'_>`)
[INFO] [stderr]    --> src/ffi.rs:234:35
[INFO] [stderr]     |
[INFO] [stderr] 234 |         let handle: &mut Handle = mem::transmute(instance);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(instance as *mut ffi::Handle<'_>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut f32`) to a reference type (`&f32`)
[INFO] [stderr]    --> src/ffi.rs:250:47
[INFO] [stderr]     |
[INFO] [stderr] 250 |                 super::PortData::ControlInput(mem::transmute(data_location))
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&*data_location`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut f32`) to a reference type (`&mut f32`)
[INFO] [stderr]    --> src/ffi.rs:253:61
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 super::PortData::ControlOutput(RefCell::new(mem::transmute(data_location)))
[INFO] [stderr]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *data_location`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&mut ffi::Handle<'_>`)
[INFO] [stderr]    --> src/ffi.rs:265:39
[INFO] [stderr]     |
[INFO] [stderr] 265 |         let handle_ptr: &mut Handle = mem::transmute(instance);
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(instance as *mut ffi::Handle<'_>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&mut ffi::Handle<'_>`)
[INFO] [stderr]    --> src/ffi.rs:274:35
[INFO] [stderr]     |
[INFO] [stderr] 274 |         let handle: &mut Handle = mem::transmute(instance);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(instance as *mut ffi::Handle<'_>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/ffi.rs:289:30
[INFO] [stderr]     |
[INFO] [stderr] 289 |           call_user_code!(Some({
[INFO] [stderr]     |  ______________________________^
[INFO] [stderr] 290 | |                             let ref mut handle = *handle;
[INFO] [stderr] 291 | |                             handle.plugin.run(sample_count as usize, &handle.ports)
[INFO] [stderr] 292 | |                         }),
[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] 289 |         call_user_code!(Some(()),
[INFO] [stderr]     |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ref` on an entire `let` pattern is discouraged, take a reference with `&` instead
[INFO] [stderr]    --> src/ffi.rs:290:33
[INFO] [stderr]     |
[INFO] [stderr] 290 |                             let ref mut handle = *handle;
[INFO] [stderr]     |                             ----^^^^^^^^^^^^^^----------- help: try: `let handle = &mut (*handle);`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::toplevel_ref_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#toplevel_ref_arg
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&mut ffi::Handle<'_>`)
[INFO] [stderr]    --> src/ffi.rs:299:35
[INFO] [stderr]     |
[INFO] [stderr] 299 |         let handle: &mut Handle = mem::transmute(instance);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(instance as *mut ffi::Handle<'_>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/ffi.rs:301:30
[INFO] [stderr]     |
[INFO] [stderr] 301 |         call_user_code!(Some(handle.plugin.activate()), "Plugin::activate");
[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] 301 |         call_user_code!(Some(()), "Plugin::activate");
[INFO] [stderr]     |                              ^^
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a pointer type (`*mut libc::c_void`) to a reference type (`&mut ffi::Handle<'_>`)
[INFO] [stderr]    --> src/ffi.rs:306:35
[INFO] [stderr]     |
[INFO] [stderr] 306 |         let handle: &mut Handle = mem::transmute(instance);
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `&mut *(instance as *mut ffi::Handle<'_>)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref
[INFO] [stderr] 
[INFO] [stderr] warning: passing a unit value to a function
[INFO] [stderr]    --> src/ffi.rs:308:30
[INFO] [stderr]     |
[INFO] [stderr] 308 |         call_user_code!(Some(handle.plugin.deactivate()), "Plugin::deactivate");
[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] 308 |         call_user_code!(Some(()), "Plugin::deactivate");
[INFO] [stderr]     |                              ^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "950e0b5af6cbae9d89bd735d22aa3e78761c139c63f60a2871532a8f548f1ebb"`
[INFO] running `"docker" "rm" "-f" "950e0b5af6cbae9d89bd735d22aa3e78761c139c63f60a2871532a8f548f1ebb"`
[INFO] [stdout] 950e0b5af6cbae9d89bd735d22aa3e78761c139c63f60a2871532a8f548f1ebb