[INFO] fetching crate ffmpeg-next 4.3.8...
[INFO] checking ffmpeg-next-4.3.8 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate ffmpeg-next 4.3.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ffmpeg-next 4.3.8 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ffmpeg-next 4.3.8
[INFO] finished tweaking crates.io crate ffmpeg-next 4.3.8
[INFO] tweaked toml for crates.io crate ffmpeg-next 4.3.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ffmpeg-next 4.3.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ffmpeg-sys-next v4.3.5
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 0c01378cfbdf6093d89f15f75d259a95e4df85be9f30b37f7ce97f401f5e2e4e
[INFO] running `Command { std: "docker" "start" "-a" "0c01378cfbdf6093d89f15f75d259a95e4df85be9f30b37f7ce97f401f5e2e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c01378cfbdf6093d89f15f75d259a95e4df85be9f30b37f7ce97f401f5e2e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c01378cfbdf6093d89f15f75d259a95e4df85be9f30b37f7ce97f401f5e2e4e", kill_on_drop: false }`
[INFO] [stdout] 0c01378cfbdf6093d89f15f75d259a95e4df85be9f30b37f7ce97f401f5e2e4e
[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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] e751eee4739cfcb8c615a42820c430edf15d0f3ca9d88d7c98b2eb35fbc30066
[INFO] running `Command { std: "docker" "start" "-a" "e751eee4739cfcb8c615a42820c430edf15d0f3ca9d88d7c98b2eb35fbc30066", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling ffmpeg-next v4.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling ffmpeg-sys-next v4.3.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "e751eee4739cfcb8c615a42820c430edf15d0f3ca9d88d7c98b2eb35fbc30066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e751eee4739cfcb8c615a42820c430edf15d0f3ca9d88d7c98b2eb35fbc30066", kill_on_drop: false }`
[INFO] [stdout] e751eee4739cfcb8c615a42820c430edf15d0f3ca9d88d7c98b2eb35fbc30066