[INFO] crate fluidsynth 0.0.1 is already in cache
[INFO] checking fluidsynth-0.0.1 against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] extracting crate fluidsynth 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fluidsynth 0.0.1 on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fluidsynth 0.0.1
[INFO] finished tweaking crates.io crate fluidsynth 0.0.1
[INFO] tweaked toml for crates.io crate fluidsynth 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11c7bee3167f6e054185f8b14e3624cb0aca09cfb1d3b42bd363ce9d50a4204a
[INFO] running `"docker" "start" "-a" "11c7bee3167f6e054185f8b14e3624cb0aca09cfb1d3b42bd363ce9d50a4204a"`
[INFO] [stderr]     Checking fluidsynth v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]  --> src/settings.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::ptr;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/settings.rs:227:54
[INFO] [stderr]     |
[INFO] [stderr] 227 |     pub fn option_count(&self, name: &str) -> Option<(i32)> {
[INFO] [stderr]     |                                                      ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/settings.rs:239:72
[INFO] [stderr]     |
[INFO] [stderr] 239 |     pub fn option_concat(&self, name: &str, separator: &str) -> Option<(&str)> {
[INFO] [stderr]     |                                                                        ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variant `fourthOrder` should have an upper camel case name
[INFO] [stderr]   --> src/synth.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fourthOrder = 4,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `FourthOrder`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `seventhOrder` should have an upper camel case name
[INFO] [stderr]   --> src/synth.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     seventhOrder = 7
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `SeventhOrder`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]  --> src/midi.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ffi::{CString, CStr};
[INFO] [stderr]   |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `event::*`
[INFO] [stderr]  --> src/midi.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use event::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ffi::*`
[INFO] [stderr]  --> src/voice.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ffi::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ffi::*`
[INFO] [stderr]  --> src/gen.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ffi::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ffi::*`
[INFO] [stderr]  --> src/log.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ffi::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/synth.rs:211:57
[INFO] [stderr]     |
[INFO] [stderr] 211 |             let info: *mut fluid_synth_channel_info_t = uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ptr`
[INFO] [stderr]  --> src/settings.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::ptr;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/settings.rs:227:54
[INFO] [stderr]     |
[INFO] [stderr] 227 |     pub fn option_count(&self, name: &str) -> Option<(i32)> {
[INFO] [stderr]     |                                                      ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/settings.rs:239:72
[INFO] [stderr]     |
[INFO] [stderr] 239 |     pub fn option_concat(&self, name: &str, separator: &str) -> Option<(&str)> {
[INFO] [stderr]     |                                                                        ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: variant `fourthOrder` should have an upper camel case name
[INFO] [stderr]   --> src/synth.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fourthOrder = 4,
[INFO] [stderr]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `FourthOrder`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `seventhOrder` should have an upper camel case name
[INFO] [stderr]   --> src/synth.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     seventhOrder = 7
[INFO] [stderr]    |     ^^^^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `SeventhOrder`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]  --> src/midi.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ffi::{CString, CStr};
[INFO] [stderr]   |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `event::*`
[INFO] [stderr]  --> src/midi.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use event::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ffi::*`
[INFO] [stderr]  --> src/voice.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use ffi::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ffi::*`
[INFO] [stderr]  --> src/gen.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ffi::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ffi::*`
[INFO] [stderr]  --> src/log.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ffi::*;
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/synth.rs:211:57
[INFO] [stderr]     |
[INFO] [stderr] 211 |             let info: *mut fluid_synth_channel_info_t = uninitialized();
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/settings.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 0.0 => None,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/settings.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 0.0 => None,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Struct__fluid_voice_t`
[INFO] [stderr]  --> src/ffi.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum Struct__fluid_voice_t { }
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_voice_t`
[INFO] [stderr]  --> src/ffi.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type fluid_voice_t = Struct__fluid_voice_t;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_sfloader_t`
[INFO] [stderr]   --> src/ffi.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type fluid_sfloader_t = Struct__fluid_sfloader_t;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_cmd_handler_t`
[INFO] [stderr]   --> src/ffi.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub type fluid_cmd_handler_t = Struct__fluid_hashtable_t;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Struct__fluid_shell_t`
[INFO] [stderr]   --> src/ffi.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub enum Struct__fluid_shell_t { }
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_shell_t`
[INFO] [stderr]   --> src/ffi.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub type fluid_shell_t = Struct__fluid_shell_t;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Struct__fluid_server_t`
[INFO] [stderr]   --> src/ffi.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub enum Struct__fluid_server_t { }
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_server_t`
[INFO] [stderr]   --> src/ffi.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub type fluid_server_t = Struct__fluid_server_t;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Struct__fluid_rampreset_t`
[INFO] [stderr]   --> src/ffi.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub enum Struct__fluid_rampreset_t { }
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_rampreset_t`
[INFO] [stderr]   --> src/ffi.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub type fluid_rampreset_t = Struct__fluid_rampreset_t;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_istream_t`
[INFO] [stderr]   --> src/ffi.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub type fluid_istream_t = ::libc::c_int;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Enum_fluid_midi_channel_type`
[INFO] [stderr]   --> src/ffi.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub type Enum_fluid_midi_channel_type = ::libc::c_uint;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CHANNEL_TYPE_MELODIC`
[INFO] [stderr]   --> src/ffi.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub const CHANNEL_TYPE_MELODIC: ::libc::c_uint = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CHANNEL_TYPE_DRUM`
[INFO] [stderr]   --> src/ffi.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub const CHANNEL_TYPE_DRUM: ::libc::c_uint = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_audio_callback_t`
[INFO] [stderr]   --> src/ffi.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | / pub type fluid_audio_callback_t =
[INFO] [stderr] 61 | |     ::std::option::Option<extern "C" fn
[INFO] [stderr] 62 | |                               (synth: *mut fluid_synth_t, len: ::libc::c_int,
[INFO] [stderr] 63 | |                                out1: *mut ::libc::c_void, loff: ::libc::c_int,
[INFO] [stderr] 64 | |                                lincr: ::libc::c_int,
[INFO] [stderr] 65 | |                                out2: *mut ::libc::c_void, roff: ::libc::c_int,
[INFO] [stderr] 66 | |                                rincr: ::libc::c_int) -> ::libc::c_int>;
[INFO] [stderr]    | |_______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_cmd_t`
[INFO] [stderr]   --> src/ffi.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub type fluid_cmd_t = Struct_Unnamed2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_server_newclient_func_t`
[INFO] [stderr]   --> src/ffi.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | / pub type fluid_server_newclient_func_t =
[INFO] [stderr] 85 | |     ::std::option::Option<extern "C" fn
[INFO] [stderr] 86 | |                               (data: *mut ::libc::c_void,
[INFO] [stderr] 87 | |                                addr: *mut ::libc::c_char)
[INFO] [stderr] 88 | |                               -> *mut fluid_cmd_handler_t>;
[INFO] [stderr]    | |___________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Enum_Unnamed3`
[INFO] [stderr]   --> src/ffi.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub type Enum_Unnamed3 = ::libc::c_uint;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_PRESET_SELECTED`
[INFO] [stderr]   --> src/ffi.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub const FLUID_PRESET_SELECTED: ::libc::c_uint = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_PRESET_UNSELECTED`
[INFO] [stderr]   --> src/ffi.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub const FLUID_PRESET_UNSELECTED: ::libc::c_uint = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_SAMPLE_DONE`
[INFO] [stderr]   --> src/ffi.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub const FLUID_SAMPLE_DONE: ::libc::c_uint = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Struct__fluid_sfloader_t`
[INFO] [stderr]   --> src/ffi.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub struct Struct__fluid_sfloader_t {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_audio_func_t`
[INFO] [stderr]    --> src/ffi.rs:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | / pub type fluid_audio_func_t =
[INFO] [stderr] 183 | |     ::std::option::Option<extern "C" fn
[INFO] [stderr] 184 | |                               (data: *mut ::libc::c_void, len: ::libc::c_int,
[INFO] [stderr] 185 | |                                nin: ::libc::c_int,
[INFO] [stderr] ...   |
[INFO] [stderr] 188 | |                                out: *mut *mut ::libc::c_float)
[INFO] [stderr] 189 | |                               -> ::libc::c_int>;
[INFO] [stderr]     | |________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `handle_midi_event_func_t`
[INFO] [stderr]    --> src/ffi.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | / pub type handle_midi_event_func_t =
[INFO] [stderr] 192 | |     ::std::option::Option<extern "C" fn
[INFO] [stderr] 193 | |                               (data: *mut ::libc::c_void,
[INFO] [stderr] 194 | |                                event: *mut fluid_midi_event_t)
[INFO] [stderr] 195 | |                               -> ::libc::c_int>;
[INFO] [stderr]     | |________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Enum_fluid_player_status`
[INFO] [stderr]    --> src/ffi.rs:196:1
[INFO] [stderr]     |
[INFO] [stderr] 196 | pub type Enum_fluid_player_status = ::libc::c_uint;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_PLAYER_READY`
[INFO] [stderr]    --> src/ffi.rs:197:1
[INFO] [stderr]     |
[INFO] [stderr] 197 | pub const FLUID_PLAYER_READY: ::libc::c_uint = 0;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_PLAYER_PLAYING`
[INFO] [stderr]    --> src/ffi.rs:198:1
[INFO] [stderr]     |
[INFO] [stderr] 198 | pub const FLUID_PLAYER_PLAYING: ::libc::c_uint = 1;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_PLAYER_DONE`
[INFO] [stderr]    --> src/ffi.rs:199:1
[INFO] [stderr]     |
[INFO] [stderr] 199 | pub const FLUID_PLAYER_DONE: ::libc::c_uint = 2;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_log_function_t`
[INFO] [stderr]    --> src/ffi.rs:200:1
[INFO] [stderr]     |
[INFO] [stderr] 200 | / pub type fluid_log_function_t =
[INFO] [stderr] 201 | |     ::std::option::Option<extern "C" fn
[INFO] [stderr] 202 | |                               (level: ::libc::c_int,
[INFO] [stderr] 203 | |                                message: *mut ::libc::c_char,
[INFO] [stderr] 204 | |                                data: *mut ::libc::c_void) -> ()>;
[INFO] [stderr]     | |_________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Struct__fluid_gen_t`
[INFO] [stderr]    --> src/ffi.rs:217:12
[INFO] [stderr]     |
[INFO] [stderr] 217 | pub struct Struct__fluid_gen_t {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_gen_t`
[INFO] [stderr]    --> src/ffi.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | pub type fluid_gen_t = Struct__fluid_gen_t;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_settings_copystr`
[INFO] [stderr]    --> src/ffi.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 | /     pub fn fluid_settings_copystr(settings: *mut fluid_settings_t,
[INFO] [stderr] 242 | |                                   name: *const ::libc::c_char,
[INFO] [stderr] 243 | |                                   str: *mut ::libc::c_char,
[INFO] [stderr] 244 | |                                   len: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]     | |_______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_settings_dupstr`
[INFO] [stderr]    --> src/ffi.rs:245:5
[INFO] [stderr]     |
[INFO] [stderr] 245 | /     pub fn fluid_settings_dupstr(settings: *mut fluid_settings_t,
[INFO] [stderr] 246 | |                                  name: *const ::libc::c_char,
[INFO] [stderr] 247 | |                                  str: *mut *mut ::libc::c_char)
[INFO] [stderr] 248 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_settings_getstr`
[INFO] [stderr]    --> src/ffi.rs:249:5
[INFO] [stderr]     |
[INFO] [stderr] 249 | /     pub fn fluid_settings_getstr(settings: *mut fluid_settings_t,
[INFO] [stderr] 250 | |                                  name: *const ::libc::c_char,
[INFO] [stderr] 251 | |                                  str: *mut *mut ::libc::c_char)
[INFO] [stderr] 252 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/settings.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 0.0 => None,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(illegal_floating_point_literal_pattern)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_sysex`
[INFO] [stderr]    --> src/ffi.rs:317:5
[INFO] [stderr]     |
[INFO] [stderr] 317 | /     pub fn fluid_synth_sysex(synth: *mut fluid_synth_t,
[INFO] [stderr] 318 | |                              data: *const ::libc::c_char, len: ::libc::c_int,
[INFO] [stderr] 319 | |                              response: *mut ::libc::c_char,
[INFO] [stderr] 320 | |                              response_len: *mut ::libc::c_int,
[INFO] [stderr] 321 | |                              handled: *mut ::libc::c_int,
[INFO] [stderr] 322 | |                              dryrun: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_get_program`
[INFO] [stderr]    --> src/ffi.rs:365:5
[INFO] [stderr]     |
[INFO] [stderr] 365 | /     pub fn fluid_synth_get_program(synth: *mut fluid_synth_t,
[INFO] [stderr] 366 | |                                    chan: ::libc::c_int,
[INFO] [stderr] 367 | |                                    sfont_id: *mut ::libc::c_uint,
[INFO] [stderr] 368 | |                                    bank_num: *mut ::libc::c_uint,
[INFO] [stderr] 369 | |                                    preset_num: *mut ::libc::c_uint)
[INFO] [stderr] 370 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_all_notes_off`
[INFO] [stderr]    --> src/ffi.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 | /     pub fn fluid_synth_all_notes_off(synth: *mut fluid_synth_t,
[INFO] [stderr] 382 | |                                      chan: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]     | |___________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_all_sounds_off`
[INFO] [stderr]    --> src/ffi.rs:383:5
[INFO] [stderr]     |
[INFO] [stderr] 383 | /     pub fn fluid_synth_all_sounds_off(synth: *mut fluid_synth_t,
[INFO] [stderr] 384 | |                                       chan: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]     | |____________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_set_channel_type`
[INFO] [stderr]    --> src/ffi.rs:385:5
[INFO] [stderr]     |
[INFO] [stderr] 385 | /     pub fn fluid_synth_set_channel_type(synth: *mut fluid_synth_t,
[INFO] [stderr] 386 | |                                         chan: ::libc::c_int,
[INFO] [stderr] 387 | |                                         _type: ::libc::c_int)
[INFO] [stderr] 388 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_get_reverb_width`
[INFO] [stderr]    --> src/ffi.rs:440:5
[INFO] [stderr]     |
[INFO] [stderr] 440 | /     pub fn fluid_synth_get_reverb_width(synth: *mut fluid_synth_t)
[INFO] [stderr] 441 | |      -> ::libc::c_double;
[INFO] [stderr]     | |_________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_tuning_iteration_next`
[INFO] [stderr]    --> src/ffi.rs:543:5
[INFO] [stderr]     |
[INFO] [stderr] 543 | /     pub fn fluid_synth_tuning_iteration_next(synth: *mut fluid_synth_t,
[INFO] [stderr] 544 | |                                              bank: *mut ::libc::c_int,
[INFO] [stderr] 545 | |                                              prog: *mut ::libc::c_int)
[INFO] [stderr] 546 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_tuning_dump`
[INFO] [stderr]    --> src/ffi.rs:547:5
[INFO] [stderr]     |
[INFO] [stderr] 547 | /     pub fn fluid_synth_tuning_dump(synth: *mut fluid_synth_t,
[INFO] [stderr] 548 | |                                    bank: ::libc::c_int, prog: ::libc::c_int,
[INFO] [stderr] 549 | |                                    name: *mut ::libc::c_char,
[INFO] [stderr] 550 | |                                    len: ::libc::c_int,
[INFO] [stderr] 551 | |                                    pitch: *mut ::libc::c_double)
[INFO] [stderr] 552 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_write_s16`
[INFO] [stderr]    --> src/ffi.rs:557:5
[INFO] [stderr]     |
[INFO] [stderr] 557 | /     pub fn fluid_synth_write_s16(synth: *mut fluid_synth_t,
[INFO] [stderr] 558 | |                                  len: ::libc::c_int,
[INFO] [stderr] 559 | |                                  lout: *mut ::libc::c_void,
[INFO] [stderr] 560 | |                                  loff: ::libc::c_int, lincr: ::libc::c_int,
[INFO] [stderr] 561 | |                                  rout: *mut ::libc::c_void,
[INFO] [stderr] 562 | |                                  roff: ::libc::c_int, rincr: ::libc::c_int)
[INFO] [stderr] 563 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_nwrite_float`
[INFO] [stderr]    --> src/ffi.rs:571:5
[INFO] [stderr]     |
[INFO] [stderr] 571 | /     pub fn fluid_synth_nwrite_float(synth: *mut fluid_synth_t,
[INFO] [stderr] 572 | |                                     len: ::libc::c_int,
[INFO] [stderr] 573 | |                                     left: *mut *mut ::libc::c_float,
[INFO] [stderr] 574 | |                                     right: *mut *mut ::libc::c_float,
[INFO] [stderr] 575 | |                                     fx_left: *mut *mut ::libc::c_float,
[INFO] [stderr] 576 | |                                     fx_right: *mut *mut ::libc::c_float)
[INFO] [stderr] 577 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_process`
[INFO] [stderr]    --> src/ffi.rs:578:5
[INFO] [stderr]     |
[INFO] [stderr] 578 | /     pub fn fluid_synth_process(synth: *mut fluid_synth_t, len: ::libc::c_int,
[INFO] [stderr] 579 | |                                nin: ::libc::c_int,
[INFO] [stderr] 580 | |                                _in: *mut *mut ::libc::c_float,
[INFO] [stderr] 581 | |                                nout: ::libc::c_int,
[INFO] [stderr] 582 | |                                out: *mut *mut ::libc::c_float)
[INFO] [stderr] 583 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_add_sfloader`
[INFO] [stderr]    --> src/ffi.rs:584:5
[INFO] [stderr]     |
[INFO] [stderr] 584 | /     pub fn fluid_synth_add_sfloader(synth: *mut fluid_synth_t,
[INFO] [stderr] 585 | |                                     loader: *mut fluid_sfloader_t) -> ();
[INFO] [stderr]     | |_________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_alloc_voice`
[INFO] [stderr]    --> src/ffi.rs:586:5
[INFO] [stderr]     |
[INFO] [stderr] 586 | /     pub fn fluid_synth_alloc_voice(synth: *mut fluid_synth_t,
[INFO] [stderr] 587 | |                                    sample: *mut fluid_sample_t,
[INFO] [stderr] 588 | |                                    channum: ::libc::c_int, key: ::libc::c_int,
[INFO] [stderr] 589 | |                                    vel: ::libc::c_int) -> *mut fluid_voice_t;
[INFO] [stderr]     | |_____________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_start_voice`
[INFO] [stderr]    --> src/ffi.rs:590:5
[INFO] [stderr]     |
[INFO] [stderr] 590 | /     pub fn fluid_synth_start_voice(synth: *mut fluid_synth_t,
[INFO] [stderr] 591 | |                                    voice: *mut fluid_voice_t) -> ();
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_get_voicelist`
[INFO] [stderr]    --> src/ffi.rs:592:5
[INFO] [stderr]     |
[INFO] [stderr] 592 | /     pub fn fluid_synth_get_voicelist(synth: *mut fluid_synth_t,
[INFO] [stderr] 593 | |                                      buf: *mut *mut fluid_voice_t,
[INFO] [stderr] 594 | |                                      bufsize: ::libc::c_int,
[INFO] [stderr] 595 | |                                      ID: ::libc::c_int) -> ();
[INFO] [stderr]     | |______________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_handle_midi_event`
[INFO] [stderr]    --> src/ffi.rs:596:5
[INFO] [stderr]     |
[INFO] [stderr] 596 | /     pub fn fluid_synth_handle_midi_event(data: *mut ::libc::c_void,
[INFO] [stderr] 597 | |                                          event: *mut fluid_midi_event_t)
[INFO] [stderr] 598 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_get_stdin`
[INFO] [stderr]    --> src/ffi.rs:602:5
[INFO] [stderr]     |
[INFO] [stderr] 602 |     pub fn fluid_get_stdin() -> fluid_istream_t;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_get_stdout`
[INFO] [stderr]    --> src/ffi.rs:603:5
[INFO] [stderr]     |
[INFO] [stderr] 603 |     pub fn fluid_get_stdout() -> fluid_ostream_t;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_get_userconf`
[INFO] [stderr]    --> src/ffi.rs:604:5
[INFO] [stderr]     |
[INFO] [stderr] 604 | /     pub fn fluid_get_userconf(buf: *mut ::libc::c_char, len: ::libc::c_int)
[INFO] [stderr] 605 | |      -> *mut ::libc::c_char;
[INFO] [stderr]     | |____________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_get_sysconf`
[INFO] [stderr]    --> src/ffi.rs:606:5
[INFO] [stderr]     |
[INFO] [stderr] 606 | /     pub fn fluid_get_sysconf(buf: *mut ::libc::c_char, len: ::libc::c_int)
[INFO] [stderr] 607 | |      -> *mut ::libc::c_char;
[INFO] [stderr]     | |____________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `new_fluid_cmd_handler`
[INFO] [stderr]    --> src/ffi.rs:608:5
[INFO] [stderr]     |
[INFO] [stderr] 608 | /     pub fn new_fluid_cmd_handler(synth: *mut fluid_synth_t)
[INFO] [stderr] 609 | |      -> *mut fluid_cmd_handler_t;
[INFO] [stderr]     | |_________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `delete_fluid_cmd_handler`
[INFO] [stderr]    --> src/ffi.rs:610:5
[INFO] [stderr]     |
[INFO] [stderr] 610 |     pub fn delete_fluid_cmd_handler(handler: *mut fluid_cmd_handler_t) -> ();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_cmd_handler_set_synth`
[INFO] [stderr]    --> src/ffi.rs:611:5
[INFO] [stderr]     |
[INFO] [stderr] 611 | /     pub fn fluid_cmd_handler_set_synth(handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 612 | |                                        synth: *mut fluid_synth_t) -> ();
[INFO] [stderr]     | |________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_cmd_handler_register`
[INFO] [stderr]    --> src/ffi.rs:613:5
[INFO] [stderr]     |
[INFO] [stderr] 613 | /     pub fn fluid_cmd_handler_register(handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 614 | |                                       cmd: *mut fluid_cmd_t) -> ::libc::c_int;
[INFO] [stderr]     | |______________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_cmd_handler_unregister`
[INFO] [stderr]    --> src/ffi.rs:615:5
[INFO] [stderr]     |
[INFO] [stderr] 615 | /     pub fn fluid_cmd_handler_unregister(handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 616 | |                                         cmd: *const ::libc::c_char)
[INFO] [stderr] 617 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_command`
[INFO] [stderr]    --> src/ffi.rs:618:5
[INFO] [stderr]     |
[INFO] [stderr] 618 | /     pub fn fluid_command(handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 619 | |                          cmd: *const ::libc::c_char, out: fluid_ostream_t)
[INFO] [stderr] 620 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_source`
[INFO] [stderr]    --> src/ffi.rs:621:5
[INFO] [stderr]     |
[INFO] [stderr] 621 | /     pub fn fluid_source(handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 622 | |                         filename: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]     | |__________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_usershell`
[INFO] [stderr]    --> src/ffi.rs:623:5
[INFO] [stderr]     |
[INFO] [stderr] 623 | /     pub fn fluid_usershell(settings: *mut fluid_settings_t,
[INFO] [stderr] 624 | |                            handler: *mut fluid_cmd_handler_t) -> ();
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `new_fluid_shell`
[INFO] [stderr]    --> src/ffi.rs:625:5
[INFO] [stderr]     |
[INFO] [stderr] 625 | /     pub fn new_fluid_shell(settings: *mut fluid_settings_t,
[INFO] [stderr] 626 | |                            handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 627 | |                            _in: fluid_istream_t, out: fluid_ostream_t,
[INFO] [stderr] 628 | |                            thread: ::libc::c_int) -> *mut fluid_shell_t;
[INFO] [stderr]     | |________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `delete_fluid_shell`
[INFO] [stderr]    --> src/ffi.rs:629:5
[INFO] [stderr]     |
[INFO] [stderr] 629 |     pub fn delete_fluid_shell(shell: *mut fluid_shell_t) -> ();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `new_fluid_server`
[INFO] [stderr]    --> src/ffi.rs:630:5
[INFO] [stderr]     |
[INFO] [stderr] 630 | /     pub fn new_fluid_server(settings: *mut fluid_settings_t,
[INFO] [stderr] 631 | |                             func: fluid_server_newclient_func_t,
[INFO] [stderr] 632 | |                             data: *mut ::libc::c_void) -> *mut fluid_server_t;
[INFO] [stderr]     | |______________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `delete_fluid_server`
[INFO] [stderr]    --> src/ffi.rs:633:5
[INFO] [stderr]     |
[INFO] [stderr] 633 |     pub fn delete_fluid_server(server: *mut fluid_server_t) -> ();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_server_join`
[INFO] [stderr]    --> src/ffi.rs:634:5
[INFO] [stderr]     |
[INFO] [stderr] 634 |     pub fn fluid_server_join(server: *mut fluid_server_t) -> ::libc::c_int;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `new_fluid_audio_driver2`
[INFO] [stderr]    --> src/ffi.rs:679:5
[INFO] [stderr]     |
[INFO] [stderr] 679 | /     pub fn new_fluid_audio_driver2(settings: *mut fluid_settings_t,
[INFO] [stderr] 680 | |                                    func: fluid_audio_func_t,
[INFO] [stderr] 681 | |                                    data: *mut ::libc::c_void)
[INFO] [stderr] 682 | |      -> *mut fluid_audio_driver_t;
[INFO] [stderr]     | |__________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_event_timer`
[INFO] [stderr]    --> src/ffi.rs:695:5
[INFO] [stderr]     |
[INFO] [stderr] 695 | /     pub fn fluid_event_timer(evt: *mut fluid_event_t,
[INFO] [stderr] 696 | |                              data: *mut ::libc::c_void) -> ();
[INFO] [stderr]     | |______________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_event_note`
[INFO] [stderr]    --> src/ffi.rs:697:5
[INFO] [stderr]     |
[INFO] [stderr] 697 | /     pub fn fluid_event_note(evt: *mut fluid_event_t, channel: ::libc::c_int,
[INFO] [stderr] 698 | |                             key: ::libc::c_short, vel: ::libc::c_short,
[INFO] [stderr] 699 | |                             duration: ::libc::c_uint) -> ();
[INFO] [stderr]     | |____________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_event_get_data`
[INFO] [stderr]    --> src/ffi.rs:766:5
[INFO] [stderr]     |
[INFO] [stderr] 766 | /     pub fn fluid_event_get_data(evt: *mut fluid_event_t)
[INFO] [stderr] 767 | |      -> *mut ::libc::c_void;
[INFO] [stderr]     | |____________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_midi_event_set_sysex`
[INFO] [stderr]    --> src/ffi.rs:809:5
[INFO] [stderr]     |
[INFO] [stderr] 809 | /     pub fn fluid_midi_event_set_sysex(evt: *mut fluid_midi_event_t,
[INFO] [stderr] 810 | |                                       data: *mut ::libc::c_void,
[INFO] [stderr] 811 | |                                       size: ::libc::c_int,
[INFO] [stderr] 812 | |                                       dynamic: ::libc::c_int)
[INFO] [stderr] 813 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_player_add_mem`
[INFO] [stderr]    --> src/ffi.rs:867:5
[INFO] [stderr]     |
[INFO] [stderr] 867 | /     pub fn fluid_player_add_mem(player: *mut fluid_player_t,
[INFO] [stderr] 868 | |                                 buffer: *const ::libc::c_void, len: ::libc::c_uint)
[INFO] [stderr] 869 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_player_set_loop`
[INFO] [stderr]    --> src/ffi.rs:873:5
[INFO] [stderr]     |
[INFO] [stderr] 873 | /     pub fn fluid_player_set_loop(player: *mut fluid_player_t,
[INFO] [stderr] 874 | |                                  _loop: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]     | |________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_player_set_playback_callback`
[INFO] [stderr]    --> src/ffi.rs:881:5
[INFO] [stderr]     |
[INFO] [stderr] 881 | /     pub fn fluid_player_set_playback_callback(player: *mut fluid_player_t,
[INFO] [stderr] 882 | |                                               handler:
[INFO] [stderr] 883 | |                                                   handle_midi_event_func_t,
[INFO] [stderr] 884 | |                                               handler_data:
[INFO] [stderr] 885 | |                                                   *mut ::libc::c_void)
[INFO] [stderr] 886 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_sequencer_add_midi_event_to_buffer`
[INFO] [stderr]    --> src/ffi.rs:931:5
[INFO] [stderr]     |
[INFO] [stderr] 931 | /     pub fn fluid_sequencer_add_midi_event_to_buffer(data: *mut ::libc::c_void,
[INFO] [stderr] 932 | |                                                     event:
[INFO] [stderr] 933 | |                                                         *mut fluid_midi_event_t)
[INFO] [stderr] 934 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_set_log_function`
[INFO] [stderr]    --> src/ffi.rs:935:5
[INFO] [stderr]     |
[INFO] [stderr] 935 | /     pub fn fluid_set_log_function(level: ::libc::c_int,
[INFO] [stderr] 936 | |                                   fun: fluid_log_function_t,
[INFO] [stderr] 937 | |                                   data: *mut ::libc::c_void)
[INFO] [stderr] 938 | |      -> fluid_log_function_t;
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_default_log_function`
[INFO] [stderr]    --> src/ffi.rs:939:5
[INFO] [stderr]     |
[INFO] [stderr] 939 | /     pub fn fluid_default_log_function(level: ::libc::c_int,
[INFO] [stderr] 940 | |                                       message: *mut ::libc::c_char,
[INFO] [stderr] 941 | |                                       data: *mut ::libc::c_void) -> ();
[INFO] [stderr]     | |_______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_log`
[INFO] [stderr]    --> src/ffi.rs:942:5
[INFO] [stderr]     |
[INFO] [stderr] 942 | /     pub fn fluid_log(level: ::libc::c_int, fmt: *const ::libc::c_char, ...)
[INFO] [stderr] 943 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_gen_set_default_values`
[INFO] [stderr]    --> src/ffi.rs:966:5
[INFO] [stderr]     |
[INFO] [stderr] 966 | /     pub fn fluid_gen_set_default_values(gen: *mut fluid_gen_t)
[INFO] [stderr] 967 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_update_param`
[INFO] [stderr]    --> src/ffi.rs:968:5
[INFO] [stderr]     |
[INFO] [stderr] 968 | /     pub fn fluid_voice_update_param(voice: *mut fluid_voice_t,
[INFO] [stderr] 969 | |                                     gen: ::libc::c_int) -> ();
[INFO] [stderr]     | |______________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_add_mod`
[INFO] [stderr]    --> src/ffi.rs:970:5
[INFO] [stderr]     |
[INFO] [stderr] 970 | /     pub fn fluid_voice_add_mod(voice: *mut fluid_voice_t,
[INFO] [stderr] 971 | |                                _mod: *mut fluid_mod_t, mode: ::libc::c_int)
[INFO] [stderr] 972 | |      -> ();
[INFO] [stderr]     | |___________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_gen_set`
[INFO] [stderr]    --> src/ffi.rs:973:5
[INFO] [stderr]     |
[INFO] [stderr] 973 | /     pub fn fluid_voice_gen_set(voice: *mut fluid_voice_t, gen: ::libc::c_int,
[INFO] [stderr] 974 | |                                val: ::libc::c_float) -> ();
[INFO] [stderr]     | |___________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_gen_get`
[INFO] [stderr]    --> src/ffi.rs:975:5
[INFO] [stderr]     |
[INFO] [stderr] 975 | /     pub fn fluid_voice_gen_get(voice: *mut fluid_voice_t, gen: ::libc::c_int)
[INFO] [stderr] 976 | |      -> ::libc::c_float;
[INFO] [stderr]     | |________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_gen_incr`
[INFO] [stderr]    --> src/ffi.rs:977:5
[INFO] [stderr]     |
[INFO] [stderr] 977 | /     pub fn fluid_voice_gen_incr(voice: *mut fluid_voice_t, gen: ::libc::c_int,
[INFO] [stderr] 978 | |                                 val: ::libc::c_float) -> ();
[INFO] [stderr]     | |____________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_get_id`
[INFO] [stderr]    --> src/ffi.rs:979:5
[INFO] [stderr]     |
[INFO] [stderr] 979 |     pub fn fluid_voice_get_id(voice: *mut fluid_voice_t) -> ::libc::c_uint;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_is_playing`
[INFO] [stderr]    --> src/ffi.rs:980:5
[INFO] [stderr]     |
[INFO] [stderr] 980 |     pub fn fluid_voice_is_playing(voice: *mut fluid_voice_t) -> ::libc::c_int;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_optimize_sample`
[INFO] [stderr]    --> src/ffi.rs:981:5
[INFO] [stderr]     |
[INFO] [stderr] 981 | /     pub fn fluid_voice_optimize_sample(s: *mut fluid_sample_t)
[INFO] [stderr] 982 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_version`
[INFO] [stderr]    --> src/ffi.rs:983:5
[INFO] [stderr]     |
[INFO] [stderr] 983 | /     pub fn fluid_version(major: *mut ::libc::c_int, minor: *mut ::libc::c_int,
[INFO] [stderr] 984 | |                          micro: *mut ::libc::c_int) -> ();
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_version_str`
[INFO] [stderr]    --> src/ffi.rs:985:5
[INFO] [stderr]     |
[INFO] [stderr] 985 |     pub fn fluid_version_str() -> *mut ::libc::c_char;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fn(*mut libc::c_void, *mut ffi::Struct__fluid_midi_event_t) -> i32`, which is not FFI-safe
[INFO] [stderr]    --> src/ffi.rs:815:44
[INFO] [stderr]     |
[INFO] [stderr] 815 | ...                   callback: fn (closure: *mut ::libc::c_void, event: *mut fluid_midi_event_t) -> i32,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fn(*mut libc::c_void, *mut ffi::Struct__fluid_midi_event_t) -> i32`, which is not FFI-safe
[INFO] [stderr]    --> src/ffi.rs:859:43
[INFO] [stderr]     |
[INFO] [stderr] 859 | ...                   handler: fn (closure: *mut ::libc::c_void, event: *mut fluid_midi_event_t) -> i32,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fn(*mut libc::c_void, u32, *mut ffi::Struct__fluid_event_t, *mut ffi::Struct__fluid_sequencer_t)`, which is not FFI-safe
[INFO] [stderr]    --> src/ffi.rs:895:54
[INFO] [stderr]     |
[INFO] [stderr] 895 | ...                   callback: fn (closure: *mut ::libc::c_void, time: ::libc::c_uint, event: *mut fluid_event_t, seq: *mut fluid_sequencer_t),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]    --> src/synth.rs:264:17
[INFO] [stderr]     |
[INFO] [stderr] 264 |                 ID => Some (ID as u32),
[INFO] [stderr]     |                 ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: floating-point types cannot be used in patterns
[INFO] [stderr]    --> src/settings.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |                 0.0 => None,
[INFO] [stderr]     |                 ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #41620 <https://github.com/rust-lang/rust/issues/41620>
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Struct__fluid_voice_t`
[INFO] [stderr]  --> src/ffi.rs:8:10
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub enum Struct__fluid_voice_t { }
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_voice_t`
[INFO] [stderr]  --> src/ffi.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub type fluid_voice_t = Struct__fluid_voice_t;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_sfloader_t`
[INFO] [stderr]   --> src/ffi.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub type fluid_sfloader_t = Struct__fluid_sfloader_t;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_cmd_handler_t`
[INFO] [stderr]   --> src/ffi.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub type fluid_cmd_handler_t = Struct__fluid_hashtable_t;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Struct__fluid_shell_t`
[INFO] [stderr]   --> src/ffi.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub enum Struct__fluid_shell_t { }
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_shell_t`
[INFO] [stderr]   --> src/ffi.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub type fluid_shell_t = Struct__fluid_shell_t;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Struct__fluid_server_t`
[INFO] [stderr]   --> src/ffi.rs:32:10
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub enum Struct__fluid_server_t { }
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_server_t`
[INFO] [stderr]   --> src/ffi.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub type fluid_server_t = Struct__fluid_server_t;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Struct__fluid_rampreset_t`
[INFO] [stderr]   --> src/ffi.rs:40:10
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub enum Struct__fluid_rampreset_t { }
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_rampreset_t`
[INFO] [stderr]   --> src/ffi.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub type fluid_rampreset_t = Struct__fluid_rampreset_t;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_istream_t`
[INFO] [stderr]   --> src/ffi.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub type fluid_istream_t = ::libc::c_int;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Enum_fluid_midi_channel_type`
[INFO] [stderr]   --> src/ffi.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub type Enum_fluid_midi_channel_type = ::libc::c_uint;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CHANNEL_TYPE_MELODIC`
[INFO] [stderr]   --> src/ffi.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub const CHANNEL_TYPE_MELODIC: ::libc::c_uint = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CHANNEL_TYPE_DRUM`
[INFO] [stderr]   --> src/ffi.rs:57:1
[INFO] [stderr]    |
[INFO] [stderr] 57 | pub const CHANNEL_TYPE_DRUM: ::libc::c_uint = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_audio_callback_t`
[INFO] [stderr]   --> src/ffi.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | / pub type fluid_audio_callback_t =
[INFO] [stderr] 61 | |     ::std::option::Option<extern "C" fn
[INFO] [stderr] 62 | |                               (synth: *mut fluid_synth_t, len: ::libc::c_int,
[INFO] [stderr] 63 | |                                out1: *mut ::libc::c_void, loff: ::libc::c_int,
[INFO] [stderr] 64 | |                                lincr: ::libc::c_int,
[INFO] [stderr] 65 | |                                out2: *mut ::libc::c_void, roff: ::libc::c_int,
[INFO] [stderr] 66 | |                                rincr: ::libc::c_int) -> ::libc::c_int>;
[INFO] [stderr]    | |_______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_cmd_t`
[INFO] [stderr]   --> src/ffi.rs:83:1
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub type fluid_cmd_t = Struct_Unnamed2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_server_newclient_func_t`
[INFO] [stderr]   --> src/ffi.rs:84:1
[INFO] [stderr]    |
[INFO] [stderr] 84 | / pub type fluid_server_newclient_func_t =
[INFO] [stderr] 85 | |     ::std::option::Option<extern "C" fn
[INFO] [stderr] 86 | |                               (data: *mut ::libc::c_void,
[INFO] [stderr] 87 | |                                addr: *mut ::libc::c_char)
[INFO] [stderr] 88 | |                               -> *mut fluid_cmd_handler_t>;
[INFO] [stderr]    | |___________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Enum_Unnamed3`
[INFO] [stderr]   --> src/ffi.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub type Enum_Unnamed3 = ::libc::c_uint;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_PRESET_SELECTED`
[INFO] [stderr]   --> src/ffi.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub const FLUID_PRESET_SELECTED: ::libc::c_uint = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_PRESET_UNSELECTED`
[INFO] [stderr]   --> src/ffi.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | pub const FLUID_PRESET_UNSELECTED: ::libc::c_uint = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_SAMPLE_DONE`
[INFO] [stderr]   --> src/ffi.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | pub const FLUID_SAMPLE_DONE: ::libc::c_uint = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Struct__fluid_sfloader_t`
[INFO] [stderr]   --> src/ffi.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub struct Struct__fluid_sfloader_t {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_audio_func_t`
[INFO] [stderr]    --> src/ffi.rs:182:1
[INFO] [stderr]     |
[INFO] [stderr] 182 | / pub type fluid_audio_func_t =
[INFO] [stderr] 183 | |     ::std::option::Option<extern "C" fn
[INFO] [stderr] 184 | |                               (data: *mut ::libc::c_void, len: ::libc::c_int,
[INFO] [stderr] 185 | |                                nin: ::libc::c_int,
[INFO] [stderr] ...   |
[INFO] [stderr] 188 | |                                out: *mut *mut ::libc::c_float)
[INFO] [stderr] 189 | |                               -> ::libc::c_int>;
[INFO] [stderr]     | |________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `handle_midi_event_func_t`
[INFO] [stderr]    --> src/ffi.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | / pub type handle_midi_event_func_t =
[INFO] [stderr] 192 | |     ::std::option::Option<extern "C" fn
[INFO] [stderr] 193 | |                               (data: *mut ::libc::c_void,
[INFO] [stderr] 194 | |                                event: *mut fluid_midi_event_t)
[INFO] [stderr] 195 | |                               -> ::libc::c_int>;
[INFO] [stderr]     | |________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Enum_fluid_player_status`
[INFO] [stderr]    --> src/ffi.rs:196:1
[INFO] [stderr]     |
[INFO] [stderr] 196 | pub type Enum_fluid_player_status = ::libc::c_uint;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_PLAYER_READY`
[INFO] [stderr]    --> src/ffi.rs:197:1
[INFO] [stderr]     |
[INFO] [stderr] 197 | pub const FLUID_PLAYER_READY: ::libc::c_uint = 0;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_PLAYER_PLAYING`
[INFO] [stderr]    --> src/ffi.rs:198:1
[INFO] [stderr]     |
[INFO] [stderr] 198 | pub const FLUID_PLAYER_PLAYING: ::libc::c_uint = 1;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `FLUID_PLAYER_DONE`
[INFO] [stderr]    --> src/ffi.rs:199:1
[INFO] [stderr]     |
[INFO] [stderr] 199 | pub const FLUID_PLAYER_DONE: ::libc::c_uint = 2;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_log_function_t`
[INFO] [stderr]    --> src/ffi.rs:200:1
[INFO] [stderr]     |
[INFO] [stderr] 200 | / pub type fluid_log_function_t =
[INFO] [stderr] 201 | |     ::std::option::Option<extern "C" fn
[INFO] [stderr] 202 | |                               (level: ::libc::c_int,
[INFO] [stderr] 203 | |                                message: *mut ::libc::c_char,
[INFO] [stderr] 204 | |                                data: *mut ::libc::c_void) -> ()>;
[INFO] [stderr]     | |_________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Struct__fluid_gen_t`
[INFO] [stderr]    --> src/ffi.rs:217:12
[INFO] [stderr]     |
[INFO] [stderr] 217 | pub struct Struct__fluid_gen_t {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `fluid_gen_t`
[INFO] [stderr]    --> src/ffi.rs:223:1
[INFO] [stderr]     |
[INFO] [stderr] 223 | pub type fluid_gen_t = Struct__fluid_gen_t;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_settings_copystr`
[INFO] [stderr]    --> src/ffi.rs:241:5
[INFO] [stderr]     |
[INFO] [stderr] 241 | /     pub fn fluid_settings_copystr(settings: *mut fluid_settings_t,
[INFO] [stderr] 242 | |                                   name: *const ::libc::c_char,
[INFO] [stderr] 243 | |                                   str: *mut ::libc::c_char,
[INFO] [stderr] 244 | |                                   len: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]     | |_______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_settings_dupstr`
[INFO] [stderr]    --> src/ffi.rs:245:5
[INFO] [stderr]     |
[INFO] [stderr] 245 | /     pub fn fluid_settings_dupstr(settings: *mut fluid_settings_t,
[INFO] [stderr] 246 | |                                  name: *const ::libc::c_char,
[INFO] [stderr] 247 | |                                  str: *mut *mut ::libc::c_char)
[INFO] [stderr] 248 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_settings_getstr`
[INFO] [stderr]    --> src/ffi.rs:249:5
[INFO] [stderr]     |
[INFO] [stderr] 249 | /     pub fn fluid_settings_getstr(settings: *mut fluid_settings_t,
[INFO] [stderr] 250 | |                                  name: *const ::libc::c_char,
[INFO] [stderr] 251 | |                                  str: *mut *mut ::libc::c_char)
[INFO] [stderr] 252 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_sysex`
[INFO] [stderr]    --> src/ffi.rs:317:5
[INFO] [stderr]     |
[INFO] [stderr] 317 | /     pub fn fluid_synth_sysex(synth: *mut fluid_synth_t,
[INFO] [stderr] 318 | |                              data: *const ::libc::c_char, len: ::libc::c_int,
[INFO] [stderr] 319 | |                              response: *mut ::libc::c_char,
[INFO] [stderr] 320 | |                              response_len: *mut ::libc::c_int,
[INFO] [stderr] 321 | |                              handled: *mut ::libc::c_int,
[INFO] [stderr] 322 | |                              dryrun: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]     | |_____________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_get_program`
[INFO] [stderr]    --> src/ffi.rs:365:5
[INFO] [stderr]     |
[INFO] [stderr] 365 | /     pub fn fluid_synth_get_program(synth: *mut fluid_synth_t,
[INFO] [stderr] 366 | |                                    chan: ::libc::c_int,
[INFO] [stderr] 367 | |                                    sfont_id: *mut ::libc::c_uint,
[INFO] [stderr] 368 | |                                    bank_num: *mut ::libc::c_uint,
[INFO] [stderr] 369 | |                                    preset_num: *mut ::libc::c_uint)
[INFO] [stderr] 370 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_all_notes_off`
[INFO] [stderr]    --> src/ffi.rs:381:5
[INFO] [stderr]     |
[INFO] [stderr] 381 | /     pub fn fluid_synth_all_notes_off(synth: *mut fluid_synth_t,
[INFO] [stderr] 382 | |                                      chan: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]     | |___________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_all_sounds_off`
[INFO] [stderr]    --> src/ffi.rs:383:5
[INFO] [stderr]     |
[INFO] [stderr] 383 | /     pub fn fluid_synth_all_sounds_off(synth: *mut fluid_synth_t,
[INFO] [stderr] 384 | |                                       chan: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]     | |____________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_set_channel_type`
[INFO] [stderr]    --> src/ffi.rs:385:5
[INFO] [stderr]     |
[INFO] [stderr] 385 | /     pub fn fluid_synth_set_channel_type(synth: *mut fluid_synth_t,
[INFO] [stderr] 386 | |                                         chan: ::libc::c_int,
[INFO] [stderr] 387 | |                                         _type: ::libc::c_int)
[INFO] [stderr] 388 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_get_reverb_width`
[INFO] [stderr]    --> src/ffi.rs:440:5
[INFO] [stderr]     |
[INFO] [stderr] 440 | /     pub fn fluid_synth_get_reverb_width(synth: *mut fluid_synth_t)
[INFO] [stderr] 441 | |      -> ::libc::c_double;
[INFO] [stderr]     | |_________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_tuning_iteration_next`
[INFO] [stderr]    --> src/ffi.rs:543:5
[INFO] [stderr]     |
[INFO] [stderr] 543 | /     pub fn fluid_synth_tuning_iteration_next(synth: *mut fluid_synth_t,
[INFO] [stderr] 544 | |                                              bank: *mut ::libc::c_int,
[INFO] [stderr] 545 | |                                              prog: *mut ::libc::c_int)
[INFO] [stderr] 546 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_tuning_dump`
[INFO] [stderr]    --> src/ffi.rs:547:5
[INFO] [stderr]     |
[INFO] [stderr] 547 | /     pub fn fluid_synth_tuning_dump(synth: *mut fluid_synth_t,
[INFO] [stderr] 548 | |                                    bank: ::libc::c_int, prog: ::libc::c_int,
[INFO] [stderr] 549 | |                                    name: *mut ::libc::c_char,
[INFO] [stderr] 550 | |                                    len: ::libc::c_int,
[INFO] [stderr] 551 | |                                    pitch: *mut ::libc::c_double)
[INFO] [stderr] 552 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_write_s16`
[INFO] [stderr]    --> src/ffi.rs:557:5
[INFO] [stderr]     |
[INFO] [stderr] 557 | /     pub fn fluid_synth_write_s16(synth: *mut fluid_synth_t,
[INFO] [stderr] 558 | |                                  len: ::libc::c_int,
[INFO] [stderr] 559 | |                                  lout: *mut ::libc::c_void,
[INFO] [stderr] 560 | |                                  loff: ::libc::c_int, lincr: ::libc::c_int,
[INFO] [stderr] 561 | |                                  rout: *mut ::libc::c_void,
[INFO] [stderr] 562 | |                                  roff: ::libc::c_int, rincr: ::libc::c_int)
[INFO] [stderr] 563 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_nwrite_float`
[INFO] [stderr]    --> src/ffi.rs:571:5
[INFO] [stderr]     |
[INFO] [stderr] 571 | /     pub fn fluid_synth_nwrite_float(synth: *mut fluid_synth_t,
[INFO] [stderr] 572 | |                                     len: ::libc::c_int,
[INFO] [stderr] 573 | |                                     left: *mut *mut ::libc::c_float,
[INFO] [stderr] 574 | |                                     right: *mut *mut ::libc::c_float,
[INFO] [stderr] 575 | |                                     fx_left: *mut *mut ::libc::c_float,
[INFO] [stderr] 576 | |                                     fx_right: *mut *mut ::libc::c_float)
[INFO] [stderr] 577 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_process`
[INFO] [stderr]    --> src/ffi.rs:578:5
[INFO] [stderr]     |
[INFO] [stderr] 578 | /     pub fn fluid_synth_process(synth: *mut fluid_synth_t, len: ::libc::c_int,
[INFO] [stderr] 579 | |                                nin: ::libc::c_int,
[INFO] [stderr] 580 | |                                _in: *mut *mut ::libc::c_float,
[INFO] [stderr] 581 | |                                nout: ::libc::c_int,
[INFO] [stderr] 582 | |                                out: *mut *mut ::libc::c_float)
[INFO] [stderr] 583 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_add_sfloader`
[INFO] [stderr]    --> src/ffi.rs:584:5
[INFO] [stderr]     |
[INFO] [stderr] 584 | /     pub fn fluid_synth_add_sfloader(synth: *mut fluid_synth_t,
[INFO] [stderr] 585 | |                                     loader: *mut fluid_sfloader_t) -> ();
[INFO] [stderr]     | |_________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_alloc_voice`
[INFO] [stderr]    --> src/ffi.rs:586:5
[INFO] [stderr]     |
[INFO] [stderr] 586 | /     pub fn fluid_synth_alloc_voice(synth: *mut fluid_synth_t,
[INFO] [stderr] 587 | |                                    sample: *mut fluid_sample_t,
[INFO] [stderr] 588 | |                                    channum: ::libc::c_int, key: ::libc::c_int,
[INFO] [stderr] 589 | |                                    vel: ::libc::c_int) -> *mut fluid_voice_t;
[INFO] [stderr]     | |_____________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_start_voice`
[INFO] [stderr]    --> src/ffi.rs:590:5
[INFO] [stderr]     |
[INFO] [stderr] 590 | /     pub fn fluid_synth_start_voice(synth: *mut fluid_synth_t,
[INFO] [stderr] 591 | |                                    voice: *mut fluid_voice_t) -> ();
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_get_voicelist`
[INFO] [stderr]    --> src/ffi.rs:592:5
[INFO] [stderr]     |
[INFO] [stderr] 592 | /     pub fn fluid_synth_get_voicelist(synth: *mut fluid_synth_t,
[INFO] [stderr] 593 | |                                      buf: *mut *mut fluid_voice_t,
[INFO] [stderr] 594 | |                                      bufsize: ::libc::c_int,
[INFO] [stderr] 595 | |                                      ID: ::libc::c_int) -> ();
[INFO] [stderr]     | |______________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_synth_handle_midi_event`
[INFO] [stderr]    --> src/ffi.rs:596:5
[INFO] [stderr]     |
[INFO] [stderr] 596 | /     pub fn fluid_synth_handle_midi_event(data: *mut ::libc::c_void,
[INFO] [stderr] 597 | |                                          event: *mut fluid_midi_event_t)
[INFO] [stderr] 598 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_get_stdin`
[INFO] [stderr]    --> src/ffi.rs:602:5
[INFO] [stderr]     |
[INFO] [stderr] 602 |     pub fn fluid_get_stdin() -> fluid_istream_t;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_get_stdout`
[INFO] [stderr]    --> src/ffi.rs:603:5
[INFO] [stderr]     |
[INFO] [stderr] 603 |     pub fn fluid_get_stdout() -> fluid_ostream_t;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_get_userconf`
[INFO] [stderr]    --> src/ffi.rs:604:5
[INFO] [stderr]     |
[INFO] [stderr] 604 | /     pub fn fluid_get_userconf(buf: *mut ::libc::c_char, len: ::libc::c_int)
[INFO] [stderr] 605 | |      -> *mut ::libc::c_char;
[INFO] [stderr]     | |____________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_get_sysconf`
[INFO] [stderr]    --> src/ffi.rs:606:5
[INFO] [stderr]     |
[INFO] [stderr] 606 | /     pub fn fluid_get_sysconf(buf: *mut ::libc::c_char, len: ::libc::c_int)
[INFO] [stderr] 607 | |      -> *mut ::libc::c_char;
[INFO] [stderr]     | |____________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `new_fluid_cmd_handler`
[INFO] [stderr]    --> src/ffi.rs:608:5
[INFO] [stderr]     |
[INFO] [stderr] 608 | /     pub fn new_fluid_cmd_handler(synth: *mut fluid_synth_t)
[INFO] [stderr] 609 | |      -> *mut fluid_cmd_handler_t;
[INFO] [stderr]     | |_________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `delete_fluid_cmd_handler`
[INFO] [stderr]    --> src/ffi.rs:610:5
[INFO] [stderr]     |
[INFO] [stderr] 610 |     pub fn delete_fluid_cmd_handler(handler: *mut fluid_cmd_handler_t) -> ();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_cmd_handler_set_synth`
[INFO] [stderr]    --> src/ffi.rs:611:5
[INFO] [stderr]     |
[INFO] [stderr] 611 | /     pub fn fluid_cmd_handler_set_synth(handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 612 | |                                        synth: *mut fluid_synth_t) -> ();
[INFO] [stderr]     | |________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_cmd_handler_register`
[INFO] [stderr]    --> src/ffi.rs:613:5
[INFO] [stderr]     |
[INFO] [stderr] 613 | /     pub fn fluid_cmd_handler_register(handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 614 | |                                       cmd: *mut fluid_cmd_t) -> ::libc::c_int;
[INFO] [stderr]     | |______________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_cmd_handler_unregister`
[INFO] [stderr]    --> src/ffi.rs:615:5
[INFO] [stderr]     |
[INFO] [stderr] 615 | /     pub fn fluid_cmd_handler_unregister(handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 616 | |                                         cmd: *const ::libc::c_char)
[INFO] [stderr] 617 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_command`
[INFO] [stderr]    --> src/ffi.rs:618:5
[INFO] [stderr]     |
[INFO] [stderr] 618 | /     pub fn fluid_command(handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 619 | |                          cmd: *const ::libc::c_char, out: fluid_ostream_t)
[INFO] [stderr] 620 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_source`
[INFO] [stderr]    --> src/ffi.rs:621:5
[INFO] [stderr]     |
[INFO] [stderr] 621 | /     pub fn fluid_source(handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 622 | |                         filename: *const ::libc::c_char) -> ::libc::c_int;
[INFO] [stderr]     | |__________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_usershell`
[INFO] [stderr]    --> src/ffi.rs:623:5
[INFO] [stderr]     |
[INFO] [stderr] 623 | /     pub fn fluid_usershell(settings: *mut fluid_settings_t,
[INFO] [stderr] 624 | |                            handler: *mut fluid_cmd_handler_t) -> ();
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `new_fluid_shell`
[INFO] [stderr]    --> src/ffi.rs:625:5
[INFO] [stderr]     |
[INFO] [stderr] 625 | /     pub fn new_fluid_shell(settings: *mut fluid_settings_t,
[INFO] [stderr] 626 | |                            handler: *mut fluid_cmd_handler_t,
[INFO] [stderr] 627 | |                            _in: fluid_istream_t, out: fluid_ostream_t,
[INFO] [stderr] 628 | |                            thread: ::libc::c_int) -> *mut fluid_shell_t;
[INFO] [stderr]     | |________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `delete_fluid_shell`
[INFO] [stderr]    --> src/ffi.rs:629:5
[INFO] [stderr]     |
[INFO] [stderr] 629 |     pub fn delete_fluid_shell(shell: *mut fluid_shell_t) -> ();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `new_fluid_server`
[INFO] [stderr]    --> src/ffi.rs:630:5
[INFO] [stderr]     |
[INFO] [stderr] 630 | /     pub fn new_fluid_server(settings: *mut fluid_settings_t,
[INFO] [stderr] 631 | |                             func: fluid_server_newclient_func_t,
[INFO] [stderr] 632 | |                             data: *mut ::libc::c_void) -> *mut fluid_server_t;
[INFO] [stderr]     | |______________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `delete_fluid_server`
[INFO] [stderr]    --> src/ffi.rs:633:5
[INFO] [stderr]     |
[INFO] [stderr] 633 |     pub fn delete_fluid_server(server: *mut fluid_server_t) -> ();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_server_join`
[INFO] [stderr]    --> src/ffi.rs:634:5
[INFO] [stderr]     |
[INFO] [stderr] 634 |     pub fn fluid_server_join(server: *mut fluid_server_t) -> ::libc::c_int;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `new_fluid_audio_driver2`
[INFO] [stderr]    --> src/ffi.rs:679:5
[INFO] [stderr]     |
[INFO] [stderr] 679 | /     pub fn new_fluid_audio_driver2(settings: *mut fluid_settings_t,
[INFO] [stderr] 680 | |                                    func: fluid_audio_func_t,
[INFO] [stderr] 681 | |                                    data: *mut ::libc::c_void)
[INFO] [stderr] 682 | |      -> *mut fluid_audio_driver_t;
[INFO] [stderr]     | |__________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_event_timer`
[INFO] [stderr]    --> src/ffi.rs:695:5
[INFO] [stderr]     |
[INFO] [stderr] 695 | /     pub fn fluid_event_timer(evt: *mut fluid_event_t,
[INFO] [stderr] 696 | |                              data: *mut ::libc::c_void) -> ();
[INFO] [stderr]     | |______________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_event_note`
[INFO] [stderr]    --> src/ffi.rs:697:5
[INFO] [stderr]     |
[INFO] [stderr] 697 | /     pub fn fluid_event_note(evt: *mut fluid_event_t, channel: ::libc::c_int,
[INFO] [stderr] 698 | |                             key: ::libc::c_short, vel: ::libc::c_short,
[INFO] [stderr] 699 | |                             duration: ::libc::c_uint) -> ();
[INFO] [stderr]     | |____________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_event_get_data`
[INFO] [stderr]    --> src/ffi.rs:766:5
[INFO] [stderr]     |
[INFO] [stderr] 766 | /     pub fn fluid_event_get_data(evt: *mut fluid_event_t)
[INFO] [stderr] 767 | |      -> *mut ::libc::c_void;
[INFO] [stderr]     | |____________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_midi_event_set_sysex`
[INFO] [stderr]    --> src/ffi.rs:809:5
[INFO] [stderr]     |
[INFO] [stderr] 809 | /     pub fn fluid_midi_event_set_sysex(evt: *mut fluid_midi_event_t,
[INFO] [stderr] 810 | |                                       data: *mut ::libc::c_void,
[INFO] [stderr] 811 | |                                       size: ::libc::c_int,
[INFO] [stderr] 812 | |                                       dynamic: ::libc::c_int)
[INFO] [stderr] 813 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_player_add_mem`
[INFO] [stderr]    --> src/ffi.rs:867:5
[INFO] [stderr]     |
[INFO] [stderr] 867 | /     pub fn fluid_player_add_mem(player: *mut fluid_player_t,
[INFO] [stderr] 868 | |                                 buffer: *const ::libc::c_void, len: ::libc::c_uint)
[INFO] [stderr] 869 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_player_set_loop`
[INFO] [stderr]    --> src/ffi.rs:873:5
[INFO] [stderr]     |
[INFO] [stderr] 873 | /     pub fn fluid_player_set_loop(player: *mut fluid_player_t,
[INFO] [stderr] 874 | |                                  _loop: ::libc::c_int) -> ::libc::c_int;
[INFO] [stderr]     | |________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_player_set_playback_callback`
[INFO] [stderr]    --> src/ffi.rs:881:5
[INFO] [stderr]     |
[INFO] [stderr] 881 | /     pub fn fluid_player_set_playback_callback(player: *mut fluid_player_t,
[INFO] [stderr] 882 | |                                               handler:
[INFO] [stderr] 883 | |                                                   handle_midi_event_func_t,
[INFO] [stderr] 884 | |                                               handler_data:
[INFO] [stderr] 885 | |                                                   *mut ::libc::c_void)
[INFO] [stderr] 886 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_sequencer_add_midi_event_to_buffer`
[INFO] [stderr]    --> src/ffi.rs:931:5
[INFO] [stderr]     |
[INFO] [stderr] 931 | /     pub fn fluid_sequencer_add_midi_event_to_buffer(data: *mut ::libc::c_void,
[INFO] [stderr] 932 | |                                                     event:
[INFO] [stderr] 933 | |                                                         *mut fluid_midi_event_t)
[INFO] [stderr] 934 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_set_log_function`
[INFO] [stderr]    --> src/ffi.rs:935:5
[INFO] [stderr]     |
[INFO] [stderr] 935 | /     pub fn fluid_set_log_function(level: ::libc::c_int,
[INFO] [stderr] 936 | |                                   fun: fluid_log_function_t,
[INFO] [stderr] 937 | |                                   data: *mut ::libc::c_void)
[INFO] [stderr] 938 | |      -> fluid_log_function_t;
[INFO] [stderr]     | |_____________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_default_log_function`
[INFO] [stderr]    --> src/ffi.rs:939:5
[INFO] [stderr]     |
[INFO] [stderr] 939 | /     pub fn fluid_default_log_function(level: ::libc::c_int,
[INFO] [stderr] 940 | |                                       message: *mut ::libc::c_char,
[INFO] [stderr] 941 | |                                       data: *mut ::libc::c_void) -> ();
[INFO] [stderr]     | |_______________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_log`
[INFO] [stderr]    --> src/ffi.rs:942:5
[INFO] [stderr]     |
[INFO] [stderr] 942 | /     pub fn fluid_log(level: ::libc::c_int, fmt: *const ::libc::c_char, ...)
[INFO] [stderr] 943 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_gen_set_default_values`
[INFO] [stderr]    --> src/ffi.rs:966:5
[INFO] [stderr]     |
[INFO] [stderr] 966 | /     pub fn fluid_gen_set_default_values(gen: *mut fluid_gen_t)
[INFO] [stderr] 967 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_update_param`
[INFO] [stderr]    --> src/ffi.rs:968:5
[INFO] [stderr]     |
[INFO] [stderr] 968 | /     pub fn fluid_voice_update_param(voice: *mut fluid_voice_t,
[INFO] [stderr] 969 | |                                     gen: ::libc::c_int) -> ();
[INFO] [stderr]     | |______________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_add_mod`
[INFO] [stderr]    --> src/ffi.rs:970:5
[INFO] [stderr]     |
[INFO] [stderr] 970 | /     pub fn fluid_voice_add_mod(voice: *mut fluid_voice_t,
[INFO] [stderr] 971 | |                                _mod: *mut fluid_mod_t, mode: ::libc::c_int)
[INFO] [stderr] 972 | |      -> ();
[INFO] [stderr]     | |___________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_gen_set`
[INFO] [stderr]    --> src/ffi.rs:973:5
[INFO] [stderr]     |
[INFO] [stderr] 973 | /     pub fn fluid_voice_gen_set(voice: *mut fluid_voice_t, gen: ::libc::c_int,
[INFO] [stderr] 974 | |                                val: ::libc::c_float) -> ();
[INFO] [stderr]     | |___________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_gen_get`
[INFO] [stderr]    --> src/ffi.rs:975:5
[INFO] [stderr]     |
[INFO] [stderr] 975 | /     pub fn fluid_voice_gen_get(voice: *mut fluid_voice_t, gen: ::libc::c_int)
[INFO] [stderr] 976 | |      -> ::libc::c_float;
[INFO] [stderr]     | |________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_gen_incr`
[INFO] [stderr]    --> src/ffi.rs:977:5
[INFO] [stderr]     |
[INFO] [stderr] 977 | /     pub fn fluid_voice_gen_incr(voice: *mut fluid_voice_t, gen: ::libc::c_int,
[INFO] [stderr] 978 | |                                 val: ::libc::c_float) -> ();
[INFO] [stderr]     | |____________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_get_id`
[INFO] [stderr]    --> src/ffi.rs:979:5
[INFO] [stderr]     |
[INFO] [stderr] 979 |     pub fn fluid_voice_get_id(voice: *mut fluid_voice_t) -> ::libc::c_uint;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_is_playing`
[INFO] [stderr]    --> src/ffi.rs:980:5
[INFO] [stderr]     |
[INFO] [stderr] 980 |     pub fn fluid_voice_is_playing(voice: *mut fluid_voice_t) -> ::libc::c_int;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_voice_optimize_sample`
[INFO] [stderr]    --> src/ffi.rs:981:5
[INFO] [stderr]     |
[INFO] [stderr] 981 | /     pub fn fluid_voice_optimize_sample(s: *mut fluid_sample_t)
[INFO] [stderr] 982 | |      -> ::libc::c_int;
[INFO] [stderr]     | |______________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_version`
[INFO] [stderr]    --> src/ffi.rs:983:5
[INFO] [stderr]     |
[INFO] [stderr] 983 | /     pub fn fluid_version(major: *mut ::libc::c_int, minor: *mut ::libc::c_int,
[INFO] [stderr] 984 | |                          micro: *mut ::libc::c_int) -> ();
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: foreign function is never used: `fluid_version_str`
[INFO] [stderr]    --> src/ffi.rs:985:5
[INFO] [stderr]     |
[INFO] [stderr] 985 |     pub fn fluid_version_str() -> *mut ::libc::c_char;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fn(*mut libc::c_void, *mut ffi::Struct__fluid_midi_event_t) -> i32`, which is not FFI-safe
[INFO] [stderr]    --> src/ffi.rs:815:44
[INFO] [stderr]     |
[INFO] [stderr] 815 | ...                   callback: fn (closure: *mut ::libc::c_void, event: *mut fluid_midi_event_t) -> i32,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fn(*mut libc::c_void, *mut ffi::Struct__fluid_midi_event_t) -> i32`, which is not FFI-safe
[INFO] [stderr]    --> src/ffi.rs:859:43
[INFO] [stderr]     |
[INFO] [stderr] 859 | ...                   handler: fn (closure: *mut ::libc::c_void, event: *mut fluid_midi_event_t) -> i32,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fn(*mut libc::c_void, u32, *mut ffi::Struct__fluid_event_t, *mut ffi::Struct__fluid_sequencer_t)`, which is not FFI-safe
[INFO] [stderr]    --> src/ffi.rs:895:54
[INFO] [stderr]     |
[INFO] [stderr] 895 | ...                   callback: fn (closure: *mut ::libc::c_void, time: ::libc::c_uint, event: *mut fluid_event_t, seq: *mut fluid_sequencer_t),
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stderr]     = note: this function pointer has Rust-specific calling convention
[INFO] [stderr] 
[INFO] [stderr] warning: variable `ID` should have a snake case name
[INFO] [stderr]    --> src/synth.rs:264:17
[INFO] [stderr]     |
[INFO] [stderr] 264 |                 ID => Some (ID as u32),
[INFO] [stderr]     |                 ^^ help: convert the identifier to snake case: `id`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `should_fail` in this scope
[INFO] [stderr]   --> tests/settings.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 | #[should_fail]
[INFO] [stderr]    |   ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `should_panic`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `copystr` found for struct `fluidsynth::settings::Settings` in the current scope
[INFO] [stderr]   --> tests/settings.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let res = settings.copystr("audio.driver", &mut buffer, 12);
[INFO] [stderr]    |                        ^^^^^^^ method not found in `fluidsynth::settings::Settings`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `should_fail` in this scope
[INFO] [stderr]   --> tests/settings.rs:63:3
[INFO] [stderr]    |
[INFO] [stderr] 63 | #[should_fail]
[INFO] [stderr]    |   ^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `should_panic`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `getstr` found for struct `fluidsynth::settings::Settings` in the current scope
[INFO] [stderr]   --> tests/settings.rs:37:24
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let res = settings.getstr("audio.driver");
[INFO] [stderr]    |                        ^^^^^^ help: there is an associated function with a similar name: `setstr`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `fluidsynth`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `copystr` found for struct `fluidsynth::settings::Settings` in the current scope
[INFO] [stderr]   --> tests/settings.rs:28:24
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let res = settings.copystr("audio.driver", &mut buffer, 12);
[INFO] [stderr]    |                        ^^^^^^^ method not found in `fluidsynth::settings::Settings`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `getstr` found for struct `fluidsynth::settings::Settings` in the current scope
[INFO] [stderr]   --> tests/settings.rs:37:24
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let res = settings.getstr("audio.driver");
[INFO] [stderr]    |                        ^^^^^^ help: there is an associated function with a similar name: `setstr`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `fluidsynth`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "11c7bee3167f6e054185f8b14e3624cb0aca09cfb1d3b42bd363ce9d50a4204a"`
[INFO] running `"docker" "rm" "-f" "11c7bee3167f6e054185f8b14e3624cb0aca09cfb1d3b42bd363ce9d50a4204a"`
[INFO] [stdout] 11c7bee3167f6e054185f8b14e3624cb0aca09cfb1d3b42bd363ce9d50a4204a
