[INFO] fetching crate av-codec 0.2.2...
[INFO] checking av-codec-0.2.2 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate av-codec 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate av-codec 0.2.2 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate av-codec 0.2.2
[INFO] finished tweaking crates.io crate av-codec 0.2.2
[INFO] tweaked toml for crates.io crate av-codec 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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" "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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ae9177171583e9271dcad1871029154c5f65c786885e21a4df9e5530634f359
[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" "1ae9177171583e9271dcad1871029154c5f65c786885e21a4df9e5530634f359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ae9177171583e9271dcad1871029154c5f65c786885e21a4df9e5530634f359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae9177171583e9271dcad1871029154c5f65c786885e21a4df9e5530634f359", kill_on_drop: false }`
[INFO] [stdout] 1ae9177171583e9271dcad1871029154c5f65c786885e21a4df9e5530634f359
[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" "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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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] d099b4da8e9bc66b1b21db9788da6a1d5c357b2995219c2788a3b84fe9cb3cf0
[INFO] running `Command { std: "docker" "start" "-a" "d099b4da8e9bc66b1b21db9788da6a1d5c357b2995219c2788a3b84fe9cb3cf0", kill_on_drop: false }`
[INFO] [stderr]     Checking av-codec v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `format`
[INFO] [stdout]    --> src/decoder.rs:136:13
[INFO] [stdout]     |
[INFO] [stdout] 136 |             format: Option<Arc<Formaton>>,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "d099b4da8e9bc66b1b21db9788da6a1d5c357b2995219c2788a3b84fe9cb3cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d099b4da8e9bc66b1b21db9788da6a1d5c357b2995219c2788a3b84fe9cb3cf0", kill_on_drop: false }`
[INFO] [stdout] d099b4da8e9bc66b1b21db9788da6a1d5c357b2995219c2788a3b84fe9cb3cf0