[INFO] fetching crate vp9-parser 0.2.6...
[INFO] checking vp9-parser-0.2.6 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate vp9-parser 0.2.6 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate vp9-parser 0.2.6 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vp9-parser 0.2.6
[INFO] finished tweaking crates.io crate vp9-parser 0.2.6
[INFO] tweaked toml for crates.io crate vp9-parser 0.2.6 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitreader v0.3.4
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1beea65d765091cfffa210a41c1c533395be4a3c2d41a3b078722258161a8eef
[INFO] running `Command { std: "docker" "start" "-a" "1beea65d765091cfffa210a41c1c533395be4a3c2d41a3b078722258161a8eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1beea65d765091cfffa210a41c1c533395be4a3c2d41a3b078722258161a8eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1beea65d765091cfffa210a41c1c533395be4a3c2d41a3b078722258161a8eef", kill_on_drop: false }`
[INFO] [stdout] 1beea65d765091cfffa210a41c1c533395be4a3c2d41a3b078722258161a8eef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 499218ae9b4193fe9ebf6ef0f51ec51f7845b47f92a7238818d8c1f6c637c702
[INFO] running `Command { std: "docker" "start" "-a" "499218ae9b4193fe9ebf6ef0f51ec51f7845b47f92a7238818d8c1f6c637c702", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking bitreader v0.3.4
[INFO] [stderr]     Checking vp9-parser v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `reserved`
[INFO] [stdout]    --> src/ivf/mod.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     reserved: [u8; 4],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `show_frame`
[INFO] [stdout]    --> src/lib.rs:389:5
[INFO] [stdout]     |
[INFO] [stdout] 389 |     show_frame: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reset_frame_context`
[INFO] [stdout]    --> src/lib.rs:392:5
[INFO] [stdout]     |
[INFO] [stdout] 392 |     reset_frame_context: ResetFrameContext,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reserved`
[INFO] [stdout]    --> src/ivf/mod.rs:135:5
[INFO] [stdout]     |
[INFO] [stdout] 135 |     reserved: [u8; 4],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `show_frame`
[INFO] [stdout]    --> src/lib.rs:389:5
[INFO] [stdout]     |
[INFO] [stdout] 389 |     show_frame: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reset_frame_context`
[INFO] [stdout]    --> src/lib.rs:392:5
[INFO] [stdout]     |
[INFO] [stdout] 392 |     reset_frame_context: ResetFrameContext,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "499218ae9b4193fe9ebf6ef0f51ec51f7845b47f92a7238818d8c1f6c637c702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499218ae9b4193fe9ebf6ef0f51ec51f7845b47f92a7238818d8c1f6c637c702", kill_on_drop: false }`
[INFO] [stdout] 499218ae9b4193fe9ebf6ef0f51ec51f7845b47f92a7238818d8c1f6c637c702