[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#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fldm0%2Fffgen" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ldm0/ffgen on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 004d235cd2eaeb90f1becf1f14f27fd071f22c7172c8281e567f185ead1c496d
[INFO] running `Command { std: "docker" "start" "-a" "004d235cd2eaeb90f1becf1f14f27fd071f22c7172c8281e567f185ead1c496d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "004d235cd2eaeb90f1becf1f14f27fd071f22c7172c8281e567f185ead1c496d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004d235cd2eaeb90f1becf1f14f27fd071f22c7172c8281e567f185ead1c496d", kill_on_drop: false }`
[INFO] [stdout] 004d235cd2eaeb90f1becf1f14f27fd071f22c7172c8281e567f185ead1c496d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9643121546cdc61b2da53d1b03db737c4ac7429be0113a711aae587d06191fce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9643121546cdc61b2da53d1b03db737c4ac7429be0113a711aae587d06191fce", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.54.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking 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]     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 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> src/cmdutils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use once_cell::sync::Lazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `avutils::*`
[INFO] [stdout]  --> src/cmdutils.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     avutil::{avutils::*, error::*},
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `collections::HashMap`, `mem`, `slice`, `sync::Mutex`
[INFO] [stdout]   --> src/cmdutils.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     collections::HashMap,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     default,
[INFO] [stdout] 13 |     ffi::{CStr, CString},
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 14 |     fmt, marker, mem, ptr, slice,
[INFO] [stdout]    |                  ^^^       ^^^^^
[INFO] [stdout] 15 |     sync::Mutex,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `info`
[INFO] [stdout]  --> src/ffmpeg.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, info};
[INFO] [stdout]   |           ^^^^^         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::c_void`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::c_void;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, `info`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, info};
[INFO] [stdout]   |           ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `avutils::*`, `error::*`, `ffi`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     avutil::{avutils::*, error::*},
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     ffi,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`, `ptr`, `slice`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ffi::{CStr, CString},
[INFO] [stdout]   |           ^^^^  ^^^^^^^
[INFO] [stdout] 9 |     ptr, slice,
[INFO] [stdout]   |     ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `INT_CB`, `OptionsContext`, `self`
[INFO] [stdout]   --> src/ffmpeg_opt.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ffmpeg::{self, OptionsContext, INT_CB},
[INFO] [stdout]    |              ^^^^  ^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/graph_parser.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, error};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OptionGroupList`, `OptionGroup`, `OptionKV`, `OptionParseContext`
[INFO] [stdout]   --> src/options.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |         OptionDef, OptionFlag, OptionGroup, OptionGroupDef, OptionGroupList, OptionKV,
[INFO] [stdout]    |                                ^^^^^^^^^^^                  ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 12 |         OptionOperation, OptionParseContext,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> src/cmdutils.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use once_cell::sync::Lazy;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `avutils::*`
[INFO] [stdout]  --> src/cmdutils.rs:6:14
[INFO] [stdout]   |
[INFO] [stdout] 6 |     avutil::{avutils::*, error::*},
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `collections::HashMap`, `mem`, `slice`, `sync::Mutex`
[INFO] [stdout]   --> src/cmdutils.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     collections::HashMap,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 12 |     default,
[INFO] [stdout] 13 |     ffi::{CStr, CString},
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 14 |     fmt, marker, mem, ptr, slice,
[INFO] [stdout]    |                  ^^^       ^^^^^
[INFO] [stdout] 15 |     sync::Mutex,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `info`
[INFO] [stdout]  --> src/ffmpeg.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, info};
[INFO] [stdout]   |           ^^^^^         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `libc::c_void`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use libc::c_void;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `debug`, `error`, `info`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use log::{debug, error, info};
[INFO] [stdout]   |           ^^^^^  ^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `avutils::*`, `error::*`, `ffi`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 |     avutil::{avutils::*, error::*},
[INFO] [stdout]   |              ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 5 |     ffi,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`, `ptr`, `slice`
[INFO] [stdout]  --> src/ffmpeg_opt.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     ffi::{CStr, CString},
[INFO] [stdout]   |           ^^^^  ^^^^^^^
[INFO] [stdout] 9 |     ptr, slice,
[INFO] [stdout]   |     ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `INT_CB`, `OptionsContext`, `self`
[INFO] [stdout]   --> src/ffmpeg_opt.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |     ffmpeg::{self, OptionsContext, INT_CB},
[INFO] [stdout]    |              ^^^^  ^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]  --> src/graph_parser.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, error};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OptionGroupList`, `OptionGroup`, `OptionKV`, `OptionParseContext`
[INFO] [stdout]   --> src/options.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |         OptionDef, OptionFlag, OptionGroup, OptionGroupDef, OptionGroupList, OptionKV,
[INFO] [stdout]    |                                ^^^^^^^^^^^                  ^^^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 12 |         OptionOperation, OptionParseContext,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GroupInfile`
[INFO] [stdout]   --> src/cmdutils.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     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:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 | 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:245:8
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub fn parse_number(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_time`
[INFO] [stdout]    --> src/cmdutils.rs:274:4
[INFO] [stdout]     |
[INFO] [stdout] 274 | 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:291:4
[INFO] [stdout]     |
[INFO] [stdout] 291 | 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:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | 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: static variable `format_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | 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:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | 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:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | 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:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | 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:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | 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: 36 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `GroupInfile`
[INFO] [stdout]   --> src/cmdutils.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     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:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 | 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:245:8
[INFO] [stdout]     |
[INFO] [stdout] 245 | pub fn parse_number(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_time`
[INFO] [stdout]    --> src/cmdutils.rs:274:4
[INFO] [stdout]     |
[INFO] [stdout] 274 | 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:291:4
[INFO] [stdout]     |
[INFO] [stdout] 291 | 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:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | 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: static variable `format_opts` should have an upper case name
[INFO] [stdout]   --> src/cmdutils.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | 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:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 | 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:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | 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:54:12
[INFO] [stdout]    |
[INFO] [stdout] 54 | 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:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | 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: 35 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "9643121546cdc61b2da53d1b03db737c4ac7429be0113a711aae587d06191fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9643121546cdc61b2da53d1b03db737c4ac7429be0113a711aae587d06191fce", kill_on_drop: false }`
[INFO] [stdout] 9643121546cdc61b2da53d1b03db737c4ac7429be0113a711aae587d06191fce