[INFO] cloning repository https://github.com/laterbuy/ffmeg-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laterbuy/ffmeg-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaterbuy%2Fffmeg-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaterbuy%2Fffmeg-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e31c5a811ca7df1a3a40115eec2abe70454b6111
[INFO] checking laterbuy/ffmeg-demo/e31c5a811ca7df1a3a40115eec2abe70454b6111 against master#df1ae0f7dd168513de2d89beb2cb7a95d4fdc118 for pr-159343
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaterbuy%2Fffmeg-demo" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
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[INFO] removed /workspace/builds/worker-2-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/laterbuy/ffmeg-demo
[INFO] finished tweaking git repo https://github.com/laterbuy/ffmeg-demo
[INFO] tweaked toml for git repo https://github.com/laterbuy/ffmeg-demo written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/laterbuy/ffmeg-demo on toolchain df1ae0f7dd168513de2d89beb2cb7a95d4fdc118
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/laterbuy/ffmeg-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9850c8bee8ba00c2f9b716e54f0066a7eb2eda7b376ff32b0e4d3981ff719ee4
[INFO] running `Command { std: "docker" "start" "9850c8bee8ba00c2f9b716e54f0066a7eb2eda7b376ff32b0e4d3981ff719ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9850c8bee8ba00c2f9b716e54f0066a7eb2eda7b376ff32b0e4d3981ff719ee4", 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" "9850c8bee8ba00c2f9b716e54f0066a7eb2eda7b376ff32b0e4d3981ff719ee4" "/opt/rustwide/cargo-home/bin/cargo" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9850c8bee8ba00c2f9b716e54f0066a7eb2eda7b376ff32b0e4d3981ff719ee4", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9850c8bee8ba00c2f9b716e54f0066a7eb2eda7b376ff32b0e4d3981ff719ee4" "/opt/rustwide/cargo-home/bin/cargo" "+df1ae0f7dd168513de2d89beb2cb7a95d4fdc118" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking remote-control-server v0.1.0 (/opt/rustwide/workdir/crates/remote-control-server)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> crates/capture-encode/src/api/stream.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             Err(e) if stop.load(Ordering::Relaxed) => break,
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> crates/capture-encode/src/api/stream.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |             Err(e) if stop.load(Ordering::Relaxed) => break,
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `h264_packet_bytes` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:332:4
[INFO] [stdout]     |
[INFO] [stdout] 332 | fn h264_packet_bytes(packet: &Packet) -> Option<&[u8]> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `packet_bitstream_format` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:342:4
[INFO] [stdout]     |
[INFO] [stdout] 342 | fn packet_bitstream_format(data: &[u8]) -> &'static str {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nal_type_label` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:352:4
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn nal_type_label(nal: &[u8]) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `describe_h264_packet` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:370:8
[INFO] [stdout]     |
[INFO] [stdout] 370 | pub fn describe_h264_packet(packet: &Packet) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_extradata` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:380:8
[INFO] [stdout]     |
[INFO] [stdout] 380 | pub fn log_extradata(label: &str, data: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_streaming_packet` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:387:8
[INFO] [stdout]     |
[INFO] [stdout] 387 | pub fn log_streaming_packet(seq: usize, packet: &Packet, skipped: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `h264_packet_bytes` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:332:4
[INFO] [stdout]     |
[INFO] [stdout] 332 | fn h264_packet_bytes(packet: &Packet) -> Option<&[u8]> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `packet_bitstream_format` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:342:4
[INFO] [stdout]     |
[INFO] [stdout] 342 | fn packet_bitstream_format(data: &[u8]) -> &'static str {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nal_type_label` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:352:4
[INFO] [stdout]     |
[INFO] [stdout] 352 | fn nal_type_label(nal: &[u8]) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `describe_h264_packet` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:370:8
[INFO] [stdout]     |
[INFO] [stdout] 370 | pub fn describe_h264_packet(packet: &Packet) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_extradata` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:380:8
[INFO] [stdout]     |
[INFO] [stdout] 380 | pub fn log_extradata(label: &str, data: &[u8]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log_streaming_packet` is never used
[INFO] [stdout]    --> crates/capture-encode/src/encode/muxer.rs:387:8
[INFO] [stdout]     |
[INFO] [stdout] 387 | pub fn log_streaming_packet(seq: usize, packet: &Packet, skipped: bool) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ffmpeg-demo v0.1.0 (/opt/rustwide/workdir/crates/app)
[INFO] [stdout] error[E0384]: cannot assign twice to immutable variable `opts`
[INFO] [stdout]   --> crates/capture-encode/examples/01_list_sources.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let opts = ListSourcesOptions::new();
[INFO] [stdout]    |         ---- first assignment to `opts`
[INFO] [stdout] ...
[INFO] [stdout] 22 |                     opts = opts.display(d);
[INFO] [stdout]    |                     ^^^^ cannot assign twice to immutable variable
[INFO] [stdout]    |
[INFO] [stdout] help: consider making this binding mutable
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut opts = ListSourcesOptions::new();
[INFO] [stdout]    |         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0384`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `capture-encode` (example "01_list_sources") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/capture-encode/examples/03_encode.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut encode_opts = EncodeOptions::from_frame(&output, &frame, fps);
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `codec`
[INFO] [stdout]   --> crates/capture-encode/examples/03_encode.rs:23:39
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let (source, output, frames, fps, codec) = parse_args()?;
[INFO] [stdout]    |                                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_codec`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> crates/capture-encode/examples/03_encode.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |     let width = frame.width();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height`
[INFO] [stdout]   --> crates/capture-encode/examples/03_encode.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let height = frame.height();
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> crates/capture-encode/examples/03_encode.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let mut codec: Option<String> = None;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9850c8bee8ba00c2f9b716e54f0066a7eb2eda7b376ff32b0e4d3981ff719ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9850c8bee8ba00c2f9b716e54f0066a7eb2eda7b376ff32b0e4d3981ff719ee4", kill_on_drop: false }`
[INFO] [stdout] 9850c8bee8ba00c2f9b716e54f0066a7eb2eda7b376ff32b0e4d3981ff719ee4
