[INFO] fetching crate ac-ffmpeg 0.15.2...
[INFO] checking ac-ffmpeg-0.15.2 against try#b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f for pr-76104
[INFO] extracting crate ac-ffmpeg 0.15.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ac-ffmpeg 0.15.2 on toolchain b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ac-ffmpeg 0.15.2
[INFO] finished tweaking crates.io crate ac-ffmpeg 0.15.2
[INFO] tweaked toml for crates.io crate ac-ffmpeg 0.15.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ac-ffmpeg 0.15.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "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] 39bb17112b7ada4ea4c6c6ec0e26d5d24c60ef1e3fa232b5aaad71fbca01cd0a
[INFO] running `Command { std: "docker" "start" "-a" "39bb17112b7ada4ea4c6c6ec0e26d5d24c60ef1e3fa232b5aaad71fbca01cd0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39bb17112b7ada4ea4c6c6ec0e26d5d24c60ef1e3fa232b5aaad71fbca01cd0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39bb17112b7ada4ea4c6c6ec0e26d5d24c60ef1e3fa232b5aaad71fbca01cd0a", kill_on_drop: false }`
[INFO] [stdout] 39bb17112b7ada4ea4c6c6ec0e26d5d24c60ef1e3fa232b5aaad71fbca01cd0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b1cc2963e8346ba1f5afb1edb86dbcf3f9ef0c5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 6d82a00ff6b76a5fa568431ea9be50950379af195f9c08bfb3e3610fb2d6975c
[INFO] running `Command { std: "docker" "start" "-a" "6d82a00ff6b76a5fa568431ea9be50950379af195f9c08bfb3e3610fb2d6975c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bytes v0.5.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling ac-ffmpeg v0.15.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.32s
[INFO] running `Command { std: "docker" "inspect" "6d82a00ff6b76a5fa568431ea9be50950379af195f9c08bfb3e3610fb2d6975c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d82a00ff6b76a5fa568431ea9be50950379af195f9c08bfb3e3610fb2d6975c", kill_on_drop: false }`
[INFO] [stdout] 6d82a00ff6b76a5fa568431ea9be50950379af195f9c08bfb3e3610fb2d6975c