[INFO] fetching crate ffmpeg 0.2.0-alpha.1...
[INFO] documenting ffmpeg-0.2.0-alpha.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate ffmpeg 0.2.0-alpha.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ffmpeg 0.2.0-alpha.1 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffmpeg 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate ffmpeg 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate ffmpeg 0.2.0-alpha.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5b1c2e4da51a951a9c9b3dcf9b4799bc561e52188a09bc01ee520eab3a96011
[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" "d5b1c2e4da51a951a9c9b3dcf9b4799bc561e52188a09bc01ee520eab3a96011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5b1c2e4da51a951a9c9b3dcf9b4799bc561e52188a09bc01ee520eab3a96011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b1c2e4da51a951a9c9b3dcf9b4799bc561e52188a09bc01ee520eab3a96011", kill_on_drop: false }`
[INFO] [stdout] d5b1c2e4da51a951a9c9b3dcf9b4799bc561e52188a09bc01ee520eab3a96011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eb1065515b5bb82d8e9ad2879555f6ddcb5049cc711214a8a6f2ed8ca704a41
[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" "7eb1065515b5bb82d8e9ad2879555f6ddcb5049cc711214a8a6f2ed8ca704a41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling ffmpeg-sys v2.8.9
[INFO] [stderr]  Documenting ffmpeg v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/util/frame/video.rs:58:60
[INFO] [stdout]    |
[INFO] [stdout] 58 |                 format::Pixel::from(mem::transmute::<_, AVPixelFormat>(((*self.as_ptr()).format)))
[INFO] [stdout]    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/util/frame/audio.rs:55:62
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 format::Sample::from(mem::transmute::<_, AVSampleFormat>(((*self.as_ptr()).format)))
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/filter/graph.rs:89:52
[INFO] [stdout]    |
[INFO] [stdout] 89 |             let cstr   = from_utf8_unchecked(CStr::from_ptr((ptr)).to_bytes());
[INFO] [stdout]    |                                                             ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.16s
[INFO] running `Command { std: "docker" "inspect" "7eb1065515b5bb82d8e9ad2879555f6ddcb5049cc711214a8a6f2ed8ca704a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb1065515b5bb82d8e9ad2879555f6ddcb5049cc711214a8a6f2ed8ca704a41", kill_on_drop: false }`
[INFO] [stdout] 7eb1065515b5bb82d8e9ad2879555f6ddcb5049cc711214a8a6f2ed8ca704a41