[INFO] cloning repository https://github.com/ldm0/ffgen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ldm0/ffgen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fldm0%2Fffgen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fldm0%2Fffgen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23638bbda1b8104ac0f8692ebda42c679dc9d5bb
[INFO] checking ldm0/ffgen against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fldm0%2Fffgen" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ldm0/ffgen on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ldm0/ffgen
[INFO] finished tweaking git repo https://github.com/ldm0/ffgen
[INFO] tweaked toml for git repo https://github.com/ldm0/ffgen written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ldm0/ffgen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bindgen v0.54.1
[INFO] [stderr]   Downloaded rusty_ffmpeg v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 019f82ab7230beea732f39d40996b3745bdad0fee791fc55186bf1bb13cc11fc
[INFO] running `Command { std: "docker" "start" "-a" "019f82ab7230beea732f39d40996b3745bdad0fee791fc55186bf1bb13cc11fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "019f82ab7230beea732f39d40996b3745bdad0fee791fc55186bf1bb13cc11fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019f82ab7230beea732f39d40996b3745bdad0fee791fc55186bf1bb13cc11fc", kill_on_drop: false }`
[INFO] [stdout] 019f82ab7230beea732f39d40996b3745bdad0fee791fc55186bf1bb13cc11fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60b6147e48c76fe2cdcbec5ca42e9ee9afc6a8dfa27fd16d725a83cd2f610b5b
[INFO] running `Command { std: "docker" "start" "-a" "60b6147e48c76fe2cdcbec5ca42e9ee9afc6a8dfa27fd16d725a83cd2f610b5b", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling bindgen v0.54.1
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling rusty_ffmpeg v0.2.5
[INFO] [stderr]     Checking ffgen v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/ffmpeg.rs (1 fix)
[INFO] [stderr]        Fixed src/graph_parser.rs (1 fix)
[INFO] [stderr]        Fixed src/ffmpeg_opt.rs (5 fixes)
[INFO] [stderr]        Fixed src/cmdutils.rs (3 fixes)
[INFO] [stderr]        Fixed src/options.rs (1 fix)
[INFO] [stdout] warning: variant is never constructed: `GroupInfile`
[INFO] [stdout]   --> src/cmdutils.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     GroupInfile = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_optgroup`
[INFO] [stdout]    --> src/cmdutils.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | pub fn parse_optgroup<'ctxt>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]    --> src/cmdutils.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub fn parse_number(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_time`
[INFO] [stdout]    --> src/cmdutils.rs:272:4
[INFO] [stdout]     |
[INFO] [stdout] 272 | fn parse_time(context: &str, timestr: &str, is_duration: bool) -> Result<i64, String> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_option`
[INFO] [stdout]    --> src/cmdutils.rs:289:4
[INFO] [stdout]     |
[INFO] [stdout] 289 | fn write_option(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RECEIVED_NB_SIGNALS`
[INFO] [stdout]   --> src/ffmpeg.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | static RECEIVED_NB_SIGNALS: Lazy<Mutex<isize>> = Lazy::new(|| Mutex::new(0));
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `TRANSCODE_INIT_DONE`
[INFO] [stdout]   --> src/ffmpeg.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | static TRANSCODE_INIT_DONE: Lazy<Mutex<isize>> = Lazy::new(|| Mutex::new(0));
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decodec_interrupt_cb`
[INFO] [stdout]   --> src/ffmpeg.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | unsafe extern "C" fn decodec_interrupt_cb(_ctx: *mut libc::c_void) -> libc::c_int {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INT_CB`
[INFO] [stdout]   --> src/ffmpeg.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / pub const INT_CB: ffi::AVIOInterruptCB = ffi::AVIOInterruptCB {
[INFO] [stdout] 34 | |     callback: Some(decodec_interrupt_cb),
[INFO] [stdout] 35 | |     opaque: ptr::null_mut(),
[INFO] [stdout] 36 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_avoptions`
[INFO] [stdout]   --> src/ffmpeg.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub unsafe fn remove_avoptions(a: &mut *mut ffi::AVDictionary, b: *mut ffi::AVDictionary) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_avoptions`
[INFO] [stdout]   --> src/ffmpeg.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub unsafe fn assert_avoptions(a: *mut ffi::AVDictionary) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/ffmpeg.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn new(group: &'a mut OptionGroup<'group>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `OptGroup`
[INFO] [stdout]   --> src/ffmpeg_opt.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum OptGroup {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/graph_parser.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn get(&mut self) -> Option<u8> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VSYNC_AUTO`
[INFO] [stdout]    --> src/options.rs:325:1
[INFO] [stdout]     |
[INFO] [stdout] 325 | const VSYNC_AUTO: isize = -1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `input_stream_potentially_available`
[INFO] [stdout]    --> src/options.rs:342:1
[INFO] [stdout]     |
[INFO] [stdout] 342 | pub static mut input_stream_potentially_available: isize = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `video_sync_method`
[INFO] [stdout]    --> src/options.rs:353:1
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub static mut video_sync_method: isize = VSYNC_AUTO;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `abort_on_flags`
[INFO] [stdout]    --> src/options.rs:365:1
[INFO] [stdout]     |
[INFO] [stdout] 365 | pub static mut abort_on_flags: isize = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `opt_default_new`
[INFO] [stdout]    --> src/options.rs:591:4
[INFO] [stdout]     |
[INFO] [stdout] 591 | fn opt_default_new(optctx: *mut c_void, opt: &str, arg: &str) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_offset_from` has been stable since 1.47.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(ptr_offset_from)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/cmdutils.rs:250:52
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let numstr_ptr = CString::new(numstr).unwrap().as_ptr();
[INFO] [stdout]     |                      ----------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/cmdutils.rs:274:54
[INFO] [stdout]     |
[INFO] [stdout] 274 |     let timestr_ptr = CString::new(timestr).unwrap().as_ptr();
[INFO] [stdout]     |                       ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `format_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | static mut format_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to upper case: `FORMAT_OPTS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `codec_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | static mut codec_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper case: `CODEC_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `sws_dict` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | static mut sws_dict: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper case: `SWS_DICT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `swr_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | static mut swr_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper case: `SWR_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `resample_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | static mut resample_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESAMPLE_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GroupInfile`
[INFO] [stdout]   --> src/cmdutils.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     GroupInfile = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_optgroup`
[INFO] [stdout]    --> src/cmdutils.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | pub fn parse_optgroup<'ctxt>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]    --> src/cmdutils.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub fn parse_number(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_time`
[INFO] [stdout]    --> src/cmdutils.rs:272:4
[INFO] [stdout]     |
[INFO] [stdout] 272 | fn parse_time(context: &str, timestr: &str, is_duration: bool) -> Result<i64, String> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_option`
[INFO] [stdout]    --> src/cmdutils.rs:289:4
[INFO] [stdout]     |
[INFO] [stdout] 289 | fn write_option(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RECEIVED_NB_SIGNALS`
[INFO] [stdout]   --> src/ffmpeg.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | static RECEIVED_NB_SIGNALS: Lazy<Mutex<isize>> = Lazy::new(|| Mutex::new(0));
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `TRANSCODE_INIT_DONE`
[INFO] [stdout]   --> src/ffmpeg.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | static TRANSCODE_INIT_DONE: Lazy<Mutex<isize>> = Lazy::new(|| Mutex::new(0));
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decodec_interrupt_cb`
[INFO] [stdout]   --> src/ffmpeg.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | unsafe extern "C" fn decodec_interrupt_cb(_ctx: *mut libc::c_void) -> libc::c_int {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INT_CB`
[INFO] [stdout]   --> src/ffmpeg.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / pub const INT_CB: ffi::AVIOInterruptCB = ffi::AVIOInterruptCB {
[INFO] [stdout] 34 | |     callback: Some(decodec_interrupt_cb),
[INFO] [stdout] 35 | |     opaque: ptr::null_mut(),
[INFO] [stdout] 36 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_avoptions`
[INFO] [stdout]   --> src/ffmpeg.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub unsafe fn remove_avoptions(a: &mut *mut ffi::AVDictionary, b: *mut ffi::AVDictionary) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_avoptions`
[INFO] [stdout]   --> src/ffmpeg.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub unsafe fn assert_avoptions(a: *mut ffi::AVDictionary) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/ffmpeg.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn new(group: &'a mut OptionGroup<'group>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `OptGroup`
[INFO] [stdout]   --> src/ffmpeg_opt.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum OptGroup {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VSYNC_AUTO`
[INFO] [stdout]    --> src/options.rs:325:1
[INFO] [stdout]     |
[INFO] [stdout] 325 | const VSYNC_AUTO: isize = -1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `input_stream_potentially_available`
[INFO] [stdout]    --> src/options.rs:342:1
[INFO] [stdout]     |
[INFO] [stdout] 342 | pub static mut input_stream_potentially_available: isize = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `video_sync_method`
[INFO] [stdout]    --> src/options.rs:353:1
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub static mut video_sync_method: isize = VSYNC_AUTO;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `abort_on_flags`
[INFO] [stdout]    --> src/options.rs:365:1
[INFO] [stdout]     |
[INFO] [stdout] 365 | pub static mut abort_on_flags: isize = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `opt_default_new`
[INFO] [stdout]    --> src/options.rs:591:4
[INFO] [stdout]     |
[INFO] [stdout] 591 | fn opt_default_new(optctx: *mut c_void, opt: &str, arg: &str) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_offset_from` has been stable since 1.47.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(ptr_offset_from)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/cmdutils.rs:250:52
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let numstr_ptr = CString::new(numstr).unwrap().as_ptr();
[INFO] [stdout]     |                      ----------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/cmdutils.rs:274:54
[INFO] [stdout]     |
[INFO] [stdout] 274 |     let timestr_ptr = CString::new(timestr).unwrap().as_ptr();
[INFO] [stdout]     |                       ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `format_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | static mut format_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to upper case: `FORMAT_OPTS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `codec_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | static mut codec_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper case: `CODEC_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `sws_dict` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | static mut sws_dict: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper case: `SWS_DICT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `swr_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | static mut swr_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper case: `SWR_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `resample_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | static mut resample_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESAMPLE_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.52s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking ffgen v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: variant is never constructed: `GroupInfile`
[INFO] [stdout]   --> src/cmdutils.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     GroupInfile = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_optgroup`
[INFO] [stdout]    --> src/cmdutils.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | pub fn parse_optgroup<'ctxt>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]    --> src/cmdutils.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub fn parse_number(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_time`
[INFO] [stdout]    --> src/cmdutils.rs:272:4
[INFO] [stdout]     |
[INFO] [stdout] 272 | fn parse_time(context: &str, timestr: &str, is_duration: bool) -> Result<i64, String> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_option`
[INFO] [stdout]    --> src/cmdutils.rs:289:4
[INFO] [stdout]     |
[INFO] [stdout] 289 | fn write_option(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RECEIVED_NB_SIGNALS`
[INFO] [stdout]   --> src/ffmpeg.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | static RECEIVED_NB_SIGNALS: Lazy<Mutex<isize>> = Lazy::new(|| Mutex::new(0));
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `TRANSCODE_INIT_DONE`
[INFO] [stdout]   --> src/ffmpeg.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | static TRANSCODE_INIT_DONE: Lazy<Mutex<isize>> = Lazy::new(|| Mutex::new(0));
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decodec_interrupt_cb`
[INFO] [stdout]   --> src/ffmpeg.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | unsafe extern "C" fn decodec_interrupt_cb(_ctx: *mut libc::c_void) -> libc::c_int {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INT_CB`
[INFO] [stdout]   --> src/ffmpeg.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / pub const INT_CB: ffi::AVIOInterruptCB = ffi::AVIOInterruptCB {
[INFO] [stdout] 34 | |     callback: Some(decodec_interrupt_cb),
[INFO] [stdout] 35 | |     opaque: ptr::null_mut(),
[INFO] [stdout] 36 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_avoptions`
[INFO] [stdout]   --> src/ffmpeg.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub unsafe fn remove_avoptions(a: &mut *mut ffi::AVDictionary, b: *mut ffi::AVDictionary) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_avoptions`
[INFO] [stdout]   --> src/ffmpeg.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub unsafe fn assert_avoptions(a: *mut ffi::AVDictionary) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/ffmpeg.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn new(group: &'a mut OptionGroup<'group>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `OptGroup`
[INFO] [stdout]   --> src/ffmpeg_opt.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum OptGroup {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/graph_parser.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn get(&mut self) -> Option<u8> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VSYNC_AUTO`
[INFO] [stdout]    --> src/options.rs:325:1
[INFO] [stdout]     |
[INFO] [stdout] 325 | const VSYNC_AUTO: isize = -1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `input_stream_potentially_available`
[INFO] [stdout]    --> src/options.rs:342:1
[INFO] [stdout]     |
[INFO] [stdout] 342 | pub static mut input_stream_potentially_available: isize = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `video_sync_method`
[INFO] [stdout]    --> src/options.rs:353:1
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub static mut video_sync_method: isize = VSYNC_AUTO;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `abort_on_flags`
[INFO] [stdout]    --> src/options.rs:365:1
[INFO] [stdout]     |
[INFO] [stdout] 365 | pub static mut abort_on_flags: isize = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `opt_default_new`
[INFO] [stdout]    --> src/options.rs:591:4
[INFO] [stdout]     |
[INFO] [stdout] 591 | fn opt_default_new(optctx: *mut c_void, opt: &str, arg: &str) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_offset_from` has been stable since 1.47.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(ptr_offset_from)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/cmdutils.rs:250:52
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let numstr_ptr = CString::new(numstr).unwrap().as_ptr();
[INFO] [stdout]     |                      ----------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/cmdutils.rs:274:54
[INFO] [stdout]     |
[INFO] [stdout] 274 |     let timestr_ptr = CString::new(timestr).unwrap().as_ptr();
[INFO] [stdout]     |                       ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `format_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | static mut format_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to upper case: `FORMAT_OPTS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `codec_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | static mut codec_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper case: `CODEC_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `sws_dict` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | static mut sws_dict: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper case: `SWS_DICT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `swr_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | static mut swr_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper case: `SWR_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `resample_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | static mut resample_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESAMPLE_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GroupInfile`
[INFO] [stdout]   --> src/cmdutils.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     GroupInfile = 1,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_optgroup`
[INFO] [stdout]    --> src/cmdutils.rs:213:8
[INFO] [stdout]     |
[INFO] [stdout] 213 | pub fn parse_optgroup<'ctxt>(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_number`
[INFO] [stdout]    --> src/cmdutils.rs:243:8
[INFO] [stdout]     |
[INFO] [stdout] 243 | pub fn parse_number(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_time`
[INFO] [stdout]    --> src/cmdutils.rs:272:4
[INFO] [stdout]     |
[INFO] [stdout] 272 | fn parse_time(context: &str, timestr: &str, is_duration: bool) -> Result<i64, String> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_option`
[INFO] [stdout]    --> src/cmdutils.rs:289:4
[INFO] [stdout]     |
[INFO] [stdout] 289 | fn write_option(
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `RECEIVED_NB_SIGNALS`
[INFO] [stdout]   --> src/ffmpeg.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | static RECEIVED_NB_SIGNALS: Lazy<Mutex<isize>> = Lazy::new(|| Mutex::new(0));
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `TRANSCODE_INIT_DONE`
[INFO] [stdout]   --> src/ffmpeg.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | static TRANSCODE_INIT_DONE: Lazy<Mutex<isize>> = Lazy::new(|| Mutex::new(0));
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decodec_interrupt_cb`
[INFO] [stdout]   --> src/ffmpeg.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 | unsafe extern "C" fn decodec_interrupt_cb(_ctx: *mut libc::c_void) -> libc::c_int {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `INT_CB`
[INFO] [stdout]   --> src/ffmpeg.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / pub const INT_CB: ffi::AVIOInterruptCB = ffi::AVIOInterruptCB {
[INFO] [stdout] 34 | |     callback: Some(decodec_interrupt_cb),
[INFO] [stdout] 35 | |     opaque: ptr::null_mut(),
[INFO] [stdout] 36 | | };
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_avoptions`
[INFO] [stdout]   --> src/ffmpeg.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub unsafe fn remove_avoptions(a: &mut *mut ffi::AVDictionary, b: *mut ffi::AVDictionary) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_avoptions`
[INFO] [stdout]   --> src/ffmpeg.rs:52:15
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub unsafe fn assert_avoptions(a: *mut ffi::AVDictionary) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/ffmpeg.rs:185:12
[INFO] [stdout]     |
[INFO] [stdout] 185 |     pub fn new(group: &'a mut OptionGroup<'group>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `OptGroup`
[INFO] [stdout]   --> src/ffmpeg_opt.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum OptGroup {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `VSYNC_AUTO`
[INFO] [stdout]    --> src/options.rs:325:1
[INFO] [stdout]     |
[INFO] [stdout] 325 | const VSYNC_AUTO: isize = -1;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `input_stream_potentially_available`
[INFO] [stdout]    --> src/options.rs:342:1
[INFO] [stdout]     |
[INFO] [stdout] 342 | pub static mut input_stream_potentially_available: isize = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `video_sync_method`
[INFO] [stdout]    --> src/options.rs:353:1
[INFO] [stdout]     |
[INFO] [stdout] 353 | pub static mut video_sync_method: isize = VSYNC_AUTO;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `abort_on_flags`
[INFO] [stdout]    --> src/options.rs:365:1
[INFO] [stdout]     |
[INFO] [stdout] 365 | pub static mut abort_on_flags: isize = 0;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `opt_default_new`
[INFO] [stdout]    --> src/options.rs:591:4
[INFO] [stdout]     |
[INFO] [stdout] 591 | fn opt_default_new(optctx: *mut c_void, opt: &str, arg: &str) -> i64 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `ptr_offset_from` has been stable since 1.47.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(ptr_offset_from)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/cmdutils.rs:250:52
[INFO] [stdout]     |
[INFO] [stdout] 250 |     let numstr_ptr = CString::new(numstr).unwrap().as_ptr();
[INFO] [stdout]     |                      ----------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/cmdutils.rs:274:54
[INFO] [stdout]     |
[INFO] [stdout] 274 |     let timestr_ptr = CString::new(timestr).unwrap().as_ptr();
[INFO] [stdout]     |                       ------------------------------ ^^^^^^ this pointer will be invalid
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]     |
[INFO] [stdout]     = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]     = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `format_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 49 | static mut format_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^^ help: convert the identifier to upper case: `FORMAT_OPTS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `codec_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | static mut codec_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper case: `CODEC_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `sws_dict` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | static mut sws_dict: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper case: `SWS_DICT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `swr_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | static mut swr_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^ help: convert the identifier to upper case: `SWR_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `resample_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | static mut resample_opts: *mut ffi::AVDictionary = ptr::null_mut();
[INFO] [stdout]    |            ^^^^^^^^^^^^^ help: convert the identifier to upper case: `RESAMPLE_OPTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "60b6147e48c76fe2cdcbec5ca42e9ee9afc6a8dfa27fd16d725a83cd2f610b5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b6147e48c76fe2cdcbec5ca42e9ee9afc6a8dfa27fd16d725a83cd2f610b5b", kill_on_drop: false }`
[INFO] [stdout] 60b6147e48c76fe2cdcbec5ca42e9ee9afc6a8dfa27fd16d725a83cd2f610b5b