[INFO] cloning repository https://github.com/mattrudder/rust-ffmpeg-stream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattrudder/rust-ffmpeg-stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattrudder%2Frust-ffmpeg-stream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattrudder%2Frust-ffmpeg-stream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aff61c39fc8071b314db984a4c9e6b8448453d1d
[INFO] documenting mattrudder/rust-ffmpeg-stream against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattrudder%2Frust-ffmpeg-stream" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattrudder/rust-ffmpeg-stream on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mattrudder/rust-ffmpeg-stream
[INFO] finished tweaking git repo https://github.com/mattrudder/rust-ffmpeg-stream
[INFO] tweaked toml for git repo https://github.com/mattrudder/rust-ffmpeg-stream written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mattrudder/rust-ffmpeg-stream already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.46.0" "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] a9d574bb15bd09842a31908e96c9fbd9a4579de8e425c5a8a0b3a08353d36e0f
[INFO] running `Command { std: "docker" "start" "-a" "a9d574bb15bd09842a31908e96c9fbd9a4579de8e425c5a8a0b3a08353d36e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9d574bb15bd09842a31908e96c9fbd9a4579de8e425c5a8a0b3a08353d36e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d574bb15bd09842a31908e96c9fbd9a4579de8e425c5a8a0b3a08353d36e0f", kill_on_drop: false }`
[INFO] [stdout] a9d574bb15bd09842a31908e96c9fbd9a4579de8e425c5a8a0b3a08353d36e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8717d9b69eac6aa99ba7fccc8e189cbff883a11745b87e74d6a59a7985f3accf
[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" "8717d9b69eac6aa99ba7fccc8e189cbff883a11745b87e74d6a59a7985f3accf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling ffmpeg-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rustc-hash v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling ffmpeg4-ffi v0.3.8
[INFO] [stderr]  Documenting ffmpeg-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.02s
[INFO] running `Command { std: "docker" "inspect" "8717d9b69eac6aa99ba7fccc8e189cbff883a11745b87e74d6a59a7985f3accf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8717d9b69eac6aa99ba7fccc8e189cbff883a11745b87e74d6a59a7985f3accf", kill_on_drop: false }`
[INFO] [stdout] 8717d9b69eac6aa99ba7fccc8e189cbff883a11745b87e74d6a59a7985f3accf