[INFO] fetching crate tfs-fuse-sys 0.1.1...
[INFO] testing tfs-fuse-sys-0.1.1 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate tfs-fuse-sys 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate tfs-fuse-sys 0.1.1
[INFO] finished tweaking crates.io crate tfs-fuse-sys 0.1.1
[INFO] tweaked toml for crates.io crate tfs-fuse-sys 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tfs-fuse-sys 0.1.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `tfs-fuse-sys` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2
[INFO] running `Command { std: "docker" "start" "59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `tfs-fuse-sys` (manifest) generated 1 warning
[INFO] [stderr]    Compiling tfs-fuse-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/ffi.rs:17:58
[INFO] [stdout]    |
[INFO] [stdout] 17 | use libc::{c_char, c_int, size_t, c_void, stat, c_ulong, uint64_t, c_uint,
[INFO] [stdout]    |                                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/ffi.rs:94:59
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub bmap: Option<extern "C" fn(*const c_char, size_t, uint64_t) -> c_int>,
[INFO] [stdout]    |                                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/ffi.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fh: uint64_t,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/ffi.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |     lock_owner: uint64_t
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse` is never constructed
[INFO] [stdout]   --> src/ffi.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_chan` is never constructed
[INFO] [stdout]   --> src/ffi.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_session` is never constructed
[INFO] [stdout]   --> src/ffi.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct fuse_session(c_void);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_context` is never constructed
[INFO] [stdout]   --> src/ffi.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct fuse_context {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_args` is never constructed
[INFO] [stdout]   --> src/ffi.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct fuse_args {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_operations` is never constructed
[INFO] [stdout]   --> src/ffi.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct fuse_operations {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `fuse_fill_dir_t` is never used
[INFO] [stdout]    --> src/ffi.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub type fuse_fill_dir_t = Option<extern "C" fn(*mut c_void, *const c_char, *const stat, off_t)>;
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_file_info` is never constructed
[INFO] [stdout]    --> src/ffi.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct fuse_file_info {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_conn_info` is never constructed
[INFO] [stdout]    --> src/ffi.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct fuse_conn_info {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_new` is never used
[INFO] [stdout]   --> src/ffi.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn fuse_new(ch: *mut fuse_chan, args: *mut fuse_args, op: *const fuse_operations,
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_destroy` is never used
[INFO] [stdout]   --> src/ffi.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_loop_mt` is never used
[INFO] [stdout]   --> src/ffi.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn fuse_loop_mt(fuse: *mut fuse) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_exit` is never used
[INFO] [stdout]   --> src/ffi.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_mount` is never used
[INFO] [stdout]   --> src/ffi.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn fuse_mount(mountpoint: *const c_char, args: *mut fuse_args) -> *mut fuse_chan;
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_unmount` is never used
[INFO] [stdout]   --> src/ffi.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_daemonize` is never used
[INFO] [stdout]   --> src/ffi.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn fuse_daemonize(foreground: c_int) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_set_signal_handlers` is never used
[INFO] [stdout]   --> src/ffi.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn fuse_set_signal_handlers(session: *mut fuse_session) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_remove_signal_handlers` is never used
[INFO] [stdout]   --> src/ffi.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_getcontex` is never used
[INFO] [stdout]   --> src/ffi.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn fuse_getcontex() -> *mut fuse_context;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn fuse_new(ch: *mut fuse_chan, args: *mut fuse_args, op: *const fuse_operations,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:22:65
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     op_size: size_t, user_data: *mut c_void) -> *mut fuse;
[INFO] [stdout]    |                                                                 ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                                         ----^^^^^^
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                               ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn fuse_loop_mt(fuse: *mut fuse) -> c_int;
[INFO] [stdout]    |                               ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                                      ----^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                            ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:26:75
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn fuse_mount(mountpoint: *const c_char, args: *mut fuse_args) -> *mut fuse_chan;
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:27:75
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_session`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn fuse_set_signal_handlers(session: *mut fuse_session) -> c_int;
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct fuse_session(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:30:71
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stdout]    |                                                                   ----^^^^^^
[INFO] [stdout]    |                                                                   |
[INFO] [stdout]    |                                                                   help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_session`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:30:49
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct fuse_session(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn fuse_getcontex() -> *mut fuse_context;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:87:55
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub destroy: Option<extern "C" fn(*mut c_void) -> c_void>,
[INFO] [stdout]    |                                                   ----^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]    --> src/ffi.rs:101:46
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub padding2: [Option<extern "C" fn() -> c_void>; 4],
[INFO] [stdout]     |                                          ----^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]     = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `tfs-fuse-sys` (manifest) generated 1 warning
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/ffi.rs:17:58
[INFO] [stdout]    |
[INFO] [stdout] 17 | use libc::{c_char, c_int, size_t, c_void, stat, c_ulong, uint64_t, c_uint,
[INFO] [stdout]    |                                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/ffi.rs:94:59
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub bmap: Option<extern "C" fn(*const c_char, size_t, uint64_t) -> c_int>,
[INFO] [stdout]    |                                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/ffi.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fh: uint64_t,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/ffi.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |     lock_owner: uint64_t
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse` is never constructed
[INFO] [stdout]   --> src/ffi.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_chan` is never constructed
[INFO] [stdout]   --> src/ffi.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_session` is never constructed
[INFO] [stdout]   --> src/ffi.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct fuse_session(c_void);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_context` is never constructed
[INFO] [stdout]   --> src/ffi.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct fuse_context {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_args` is never constructed
[INFO] [stdout]   --> src/ffi.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct fuse_args {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_operations` is never constructed
[INFO] [stdout]   --> src/ffi.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct fuse_operations {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `fuse_fill_dir_t` is never used
[INFO] [stdout]    --> src/ffi.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub type fuse_fill_dir_t = Option<extern "C" fn(*mut c_void, *const c_char, *const stat, off_t)>;
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_file_info` is never constructed
[INFO] [stdout]    --> src/ffi.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct fuse_file_info {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_conn_info` is never constructed
[INFO] [stdout]    --> src/ffi.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct fuse_conn_info {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_new` is never used
[INFO] [stdout]   --> src/ffi.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn fuse_new(ch: *mut fuse_chan, args: *mut fuse_args, op: *const fuse_operations,
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_destroy` is never used
[INFO] [stdout]   --> src/ffi.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_loop_mt` is never used
[INFO] [stdout]   --> src/ffi.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn fuse_loop_mt(fuse: *mut fuse) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_exit` is never used
[INFO] [stdout]   --> src/ffi.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_mount` is never used
[INFO] [stdout]   --> src/ffi.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn fuse_mount(mountpoint: *const c_char, args: *mut fuse_args) -> *mut fuse_chan;
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_unmount` is never used
[INFO] [stdout]   --> src/ffi.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_daemonize` is never used
[INFO] [stdout]   --> src/ffi.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn fuse_daemonize(foreground: c_int) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_set_signal_handlers` is never used
[INFO] [stdout]   --> src/ffi.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn fuse_set_signal_handlers(session: *mut fuse_session) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_remove_signal_handlers` is never used
[INFO] [stdout]   --> src/ffi.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_getcontex` is never used
[INFO] [stdout]   --> src/ffi.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn fuse_getcontex() -> *mut fuse_context;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn fuse_new(ch: *mut fuse_chan, args: *mut fuse_args, op: *const fuse_operations,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:22:65
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     op_size: size_t, user_data: *mut c_void) -> *mut fuse;
[INFO] [stdout]    |                                                                 ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                                         ----^^^^^^
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                               ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn fuse_loop_mt(fuse: *mut fuse) -> c_int;
[INFO] [stdout]    |                               ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                                      ----^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                            ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:26:75
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn fuse_mount(mountpoint: *const c_char, args: *mut fuse_args) -> *mut fuse_chan;
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:27:75
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_session`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn fuse_set_signal_handlers(session: *mut fuse_session) -> c_int;
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct fuse_session(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:30:71
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stdout]    |                                                                   ----^^^^^^
[INFO] [stdout]    |                                                                   |
[INFO] [stdout]    |                                                                   help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_session`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:30:49
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct fuse_session(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tfs-fuse-sys v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn fuse_getcontex() -> *mut fuse_context;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:87:55
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub destroy: Option<extern "C" fn(*mut c_void) -> c_void>,
[INFO] [stdout]    |                                                   ----^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]    --> src/ffi.rs:101:46
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub padding2: [Option<extern "C" fn() -> c_void>; 4],
[INFO] [stdout]     |                                          ----^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]     = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/ffi.rs:17:58
[INFO] [stdout]    |
[INFO] [stdout] 17 | use libc::{c_char, c_int, size_t, c_void, stat, c_ulong, uint64_t, c_uint,
[INFO] [stdout]    |                                                          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]   --> src/ffi.rs:94:59
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub bmap: Option<extern "C" fn(*const c_char, size_t, uint64_t) -> c_int>,
[INFO] [stdout]    |                                                           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/ffi.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fh: uint64_t,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stdout]    --> src/ffi.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |     lock_owner: uint64_t
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse` is never constructed
[INFO] [stdout]   --> src/ffi.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_chan` is never constructed
[INFO] [stdout]   --> src/ffi.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_session` is never constructed
[INFO] [stdout]   --> src/ffi.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct fuse_session(c_void);
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_context` is never constructed
[INFO] [stdout]   --> src/ffi.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct fuse_context {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_args` is never constructed
[INFO] [stdout]   --> src/ffi.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | pub struct fuse_args {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_operations` is never constructed
[INFO] [stdout]   --> src/ffi.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub struct fuse_operations {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `fuse_fill_dir_t` is never used
[INFO] [stdout]    --> src/ffi.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub type fuse_fill_dir_t = Option<extern "C" fn(*mut c_void, *const c_char, *const stat, off_t)>;
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_file_info` is never constructed
[INFO] [stdout]    --> src/ffi.rs:111:12
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub struct fuse_file_info {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `fuse_conn_info` is never constructed
[INFO] [stdout]    --> src/ffi.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct fuse_conn_info {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_new` is never used
[INFO] [stdout]   --> src/ffi.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn fuse_new(ch: *mut fuse_chan, args: *mut fuse_args, op: *const fuse_operations,
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_destroy` is never used
[INFO] [stdout]   --> src/ffi.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_loop_mt` is never used
[INFO] [stdout]   --> src/ffi.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn fuse_loop_mt(fuse: *mut fuse) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_exit` is never used
[INFO] [stdout]   --> src/ffi.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_mount` is never used
[INFO] [stdout]   --> src/ffi.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn fuse_mount(mountpoint: *const c_char, args: *mut fuse_args) -> *mut fuse_chan;
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_unmount` is never used
[INFO] [stdout]   --> src/ffi.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_daemonize` is never used
[INFO] [stdout]   --> src/ffi.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn fuse_daemonize(foreground: c_int) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_set_signal_handlers` is never used
[INFO] [stdout]   --> src/ffi.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn fuse_set_signal_handlers(session: *mut fuse_session) -> c_int;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_remove_signal_handlers` is never used
[INFO] [stdout]   --> src/ffi.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fuse_getcontex` is never used
[INFO] [stdout]   --> src/ffi.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn fuse_getcontex() -> *mut fuse_context;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:21:25
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn fuse_new(ch: *mut fuse_chan, args: *mut fuse_args, op: *const fuse_operations,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:22:65
[INFO] [stdout]    |
[INFO] [stdout] 22 |                     op_size: size_t, user_data: *mut c_void) -> *mut fuse;
[INFO] [stdout]    |                                                                 ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:23:45
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                                         ----^^^^^^
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:23:31
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                               ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn fuse_loop_mt(fuse: *mut fuse) -> c_int;
[INFO] [stdout]    |                               ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:25:42
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                                      ----^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stdout]    |                            ^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:26:75
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn fuse_mount(mountpoint: *const c_char, args: *mut fuse_args) -> *mut fuse_chan;
[INFO] [stdout]    |                                                                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:27:75
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stdout]    |                                                                       ----^^^^^^
[INFO] [stdout]    |                                                                       |
[INFO] [stdout]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:27:56
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub struct fuse_chan(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_session`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:29:46
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn fuse_set_signal_handlers(session: *mut fuse_session) -> c_int;
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct fuse_session(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:30:71
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stdout]    |                                                                   ----^^^^^^
[INFO] [stdout]    |                                                                   |
[INFO] [stdout]    |                                                                   help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse_session`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:30:49
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:37:1
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct fuse_session(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stdout]   --> src/ffi.rs:31:32
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn fuse_getcontex() -> *mut fuse_context;
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/ffi.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct fuse(c_void);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]   --> src/ffi.rs:87:55
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub destroy: Option<extern "C" fn(*mut c_void) -> c_void>,
[INFO] [stdout]    |                                                   ----^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   help: remove the return type to implicitly return `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stdout]    --> src/ffi.rs:101:46
[INFO] [stdout]     |
[INFO] [stdout] 101 |     pub padding2: [Option<extern "C" fn() -> c_void>; 4],
[INFO] [stdout]     |                                          ----^^^^^^
[INFO] [stdout]     |                                          |
[INFO] [stdout]     |                                          help: remove the return type to implicitly return `()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stdout]     = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `tfs-fuse-sys` (manifest) generated 1 warning
[INFO] [stderr] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stderr]   --> src/ffi.rs:17:58
[INFO] [stderr]    |
[INFO] [stderr] 17 | use libc::{c_char, c_int, size_t, c_void, stat, c_ulong, uint64_t, c_uint,
[INFO] [stderr]    |                                                          ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stderr]   --> src/ffi.rs:94:59
[INFO] [stderr]    |
[INFO] [stderr] 94 |     pub bmap: Option<extern "C" fn(*const c_char, size_t, uint64_t) -> c_int>,
[INFO] [stderr]    |                                                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stderr]    --> src/ffi.rs:116:9
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fh: uint64_t,
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated type alias `libc::uint64_t`: Use u64 instead.
[INFO] [stderr]    --> src/ffi.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |     lock_owner: uint64_t
[INFO] [stderr]     |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `fuse` is never constructed
[INFO] [stderr]   --> src/ffi.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct fuse(c_void);
[INFO] [stderr]    |            ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `fuse_chan` is never constructed
[INFO] [stderr]   --> src/ffi.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct fuse_chan(c_void);
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `fuse_session` is never constructed
[INFO] [stderr]   --> src/ffi.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct fuse_session(c_void);
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `fuse_context` is never constructed
[INFO] [stderr]   --> src/ffi.rs:40:12
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub struct fuse_context {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `fuse_args` is never constructed
[INFO] [stderr]   --> src/ffi.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 49 | pub struct fuse_args {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `fuse_operations` is never constructed
[INFO] [stderr]   --> src/ffi.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub struct fuse_operations {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `fuse_fill_dir_t` is never used
[INFO] [stderr]    --> src/ffi.rs:108:10
[INFO] [stderr]     |
[INFO] [stderr] 108 | pub type fuse_fill_dir_t = Option<extern "C" fn(*mut c_void, *const c_char, *const stat, off_t)>;
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `fuse_file_info` is never constructed
[INFO] [stderr]    --> src/ffi.rs:111:12
[INFO] [stderr]     |
[INFO] [stderr] 111 | pub struct fuse_file_info {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `fuse_conn_info` is never constructed
[INFO] [stderr]    --> src/ffi.rs:121:12
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub struct fuse_conn_info {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuse_new` is never used
[INFO] [stderr]   --> src/ffi.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn fuse_new(ch: *mut fuse_chan, args: *mut fuse_args, op: *const fuse_operations,
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuse_destroy` is never used
[INFO] [stderr]   --> src/ffi.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuse_loop_mt` is never used
[INFO] [stderr]   --> src/ffi.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn fuse_loop_mt(fuse: *mut fuse) -> c_int;
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuse_exit` is never used
[INFO] [stderr]   --> src/ffi.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuse_mount` is never used
[INFO] [stderr]   --> src/ffi.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn fuse_mount(mountpoint: *const c_char, args: *mut fuse_args) -> *mut fuse_chan;
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuse_unmount` is never used
[INFO] [stderr]   --> src/ffi.rs:27:12
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuse_daemonize` is never used
[INFO] [stderr]   --> src/ffi.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn fuse_daemonize(foreground: c_int) -> c_int;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuse_set_signal_handlers` is never used
[INFO] [stderr]   --> src/ffi.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn fuse_set_signal_handlers(session: *mut fuse_session) -> c_int;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuse_remove_signal_handlers` is never used
[INFO] [stderr]   --> src/ffi.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fuse_getcontex` is never used
[INFO] [stderr]   --> src/ffi.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn fuse_getcontex() -> *mut fuse_context;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:21:25
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn fuse_new(ch: *mut fuse_chan, args: *mut fuse_args, op: *const fuse_operations,
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct fuse_chan(c_void);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:22:65
[INFO] [stderr]    |
[INFO] [stderr] 22 |                     op_size: size_t, user_data: *mut c_void) -> *mut fuse;
[INFO] [stderr]    |                                                                 ^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct fuse(c_void);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stderr]   --> src/ffi.rs:23:45
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stderr]    |                                         ----^^^^^^
[INFO] [stderr]    |                                         |
[INFO] [stderr]    |                                         help: remove the return type to implicitly return `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stderr]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stderr]    = note: `#[warn(c_void_returns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:23:31
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn fuse_destroy(fuse: *mut fuse) -> c_void;
[INFO] [stderr]    |                               ^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct fuse(c_void);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:24:31
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn fuse_loop_mt(fuse: *mut fuse) -> c_int;
[INFO] [stderr]    |                               ^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct fuse(c_void);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stderr]   --> src/ffi.rs:25:42
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stderr]    |                                      ----^^^^^^
[INFO] [stderr]    |                                      |
[INFO] [stderr]    |                                      help: remove the return type to implicitly return `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stderr]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:25:28
[INFO] [stderr]    |
[INFO] [stderr] 25 |     pub fn fuse_exit(fuse: *mut fuse) -> c_void;
[INFO] [stderr]    |                            ^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct fuse(c_void);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:26:75
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn fuse_mount(mountpoint: *const c_char, args: *mut fuse_args) -> *mut fuse_chan;
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct fuse_chan(c_void);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stderr]   --> src/ffi.rs:27:75
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stderr]    |                                                                       ----^^^^^^
[INFO] [stderr]    |                                                                       |
[INFO] [stderr]    |                                                                       help: remove the return type to implicitly return `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stderr]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fuse_chan`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:27:56
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn fuse_unmount(mountpoint: *const c_char, ch: *mut fuse_chan) -> c_void;
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:36:1
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub struct fuse_chan(c_void);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fuse_session`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:29:46
[INFO] [stderr]    |
[INFO] [stderr] 29 |     pub fn fuse_set_signal_handlers(session: *mut fuse_session) -> c_int;
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct fuse_session(c_void);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stderr]   --> src/ffi.rs:30:71
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stderr]    |                                                                   ----^^^^^^
[INFO] [stderr]    |                                                                   |
[INFO] [stderr]    |                                                                   help: remove the return type to implicitly return `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stderr]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fuse_session`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:30:49
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn fuse_remove_signal_handlers(session: &mut fuse_session) -> c_void;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:37:1
[INFO] [stderr]    |
[INFO] [stderr] 37 | pub struct fuse_session(c_void);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `extern` block uses type `fuse`, which is not FFI-safe
[INFO] [stderr]   --> src/ffi.rs:31:32
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn fuse_getcontex() -> *mut fuse_context;
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^ not FFI-safe
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stderr]    = note: this struct has unspecified layout
[INFO] [stderr] note: the type is defined here
[INFO] [stderr]   --> src/ffi.rs:35:1
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct fuse(c_void);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stderr]   --> src/ffi.rs:87:55
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub destroy: Option<extern "C" fn(*mut c_void) -> c_void>,
[INFO] [stderr]    |                                                   ----^^^^^^
[INFO] [stderr]    |                                                   |
[INFO] [stderr]    |                                                   help: remove the return type to implicitly return `()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stderr]    = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stderr] 
[INFO] [stderr] warning: declarations returning `c_void` are not compatible with C functions returning `void`
[INFO] [stderr]    --> src/ffi.rs:101:46
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub padding2: [Option<extern "C" fn() -> c_void>; 4],
[INFO] [stderr]     |                                          ----^^^^^^
[INFO] [stderr]     |                                          |
[INFO] [stderr]     |                                          help: remove the return type to implicitly return `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: returning `()` in Rust is equivalent to returning `void` in C
[INFO] [stderr]     = note: `c_void` is only used through raw pointers for compatibility with `void` pointers
[INFO] [stderr] 
[INFO] [stderr] warning: `tfs-fuse-sys` (lib) generated 39 warnings
[INFO] [stderr] warning: `tfs-fuse-sys` (lib test) generated 39 warnings (39 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tfs_fuse_sys-47101d17b25009d3)
[INFO] [stderr]    Doc-tests tfs_fuse_sys
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2", kill_on_drop: false }`
[INFO] [stdout] 59c85e899ec64718d14d3b6b8b6524652cbfb55dd3479eb47534cede96f7edd2
