[INFO] fetching crate codec-bitstream 0.1.0...
[INFO] checking codec-bitstream-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate codec-bitstream 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate codec-bitstream 0.1.0
[INFO] finished tweaking crates.io crate codec-bitstream 0.1.0
[INFO] tweaked toml for crates.io crate codec-bitstream 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate codec-bitstream 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding bitstream-io v2.6.0 (available: v4.5.0)
[INFO] [stderr]       Adding h264-reader v0.7.0 (available: v0.8.0)
[INFO] [stderr]       Adding matroska-demuxer v0.5.0 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c40cbb48ee80b8f4b478d75ac71245a7579d5278135c3f956dce6f9d1345426
[INFO] running `Command { std: "docker" "start" "-a" "2c40cbb48ee80b8f4b478d75ac71245a7579d5278135c3f956dce6f9d1345426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c40cbb48ee80b8f4b478d75ac71245a7579d5278135c3f956dce6f9d1345426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c40cbb48ee80b8f4b478d75ac71245a7579d5278135c3f956dce6f9d1345426", kill_on_drop: false }`
[INFO] [stdout] 2c40cbb48ee80b8f4b478d75ac71245a7579d5278135c3f956dce6f9d1345426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70e174508e33d78e179820d5bc7f6f20f8bf05a28d4c69f01ca0738b1b14f873
[INFO] running `Command { std: "docker" "start" "-a" "70e174508e33d78e179820d5bc7f6f20f8bf05a28d4c69f01ca0738b1b14f873", kill_on_drop: false }`
[INFO] [stderr]     Checking four-cc v0.1.0
[INFO] [stderr]     Checking mpeg4-audio-const v0.2.0
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking hex-slice v0.1.4
[INFO] [stderr]     Checking bitstream-io v1.10.0
[INFO] [stderr]     Checking bitstream-io v2.6.0
[INFO] [stderr]     Checking matroska-demuxer v0.5.0
[INFO] [stderr]     Checking mp4ra-rust v0.1.0
[INFO] [stderr]     Checking rfc6381-codec v0.1.0
[INFO] [stderr]     Checking h264-reader v0.7.0
[INFO] [stderr]     Checking codec-bitstream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/h264.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         let mut matroska =
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/h264.rs:330:13
[INFO] [stdout]     |
[INFO] [stdout] 330 |         let mut matroska =
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nal_length_size`
[INFO] [stdout]    --> src/h264.rs:363:14
[INFO] [stdout]     |
[INFO] [stdout] 363 |         let (nal_length_size, sps_pps) =
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_nal_length_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "70e174508e33d78e179820d5bc7f6f20f8bf05a28d4c69f01ca0738b1b14f873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70e174508e33d78e179820d5bc7f6f20f8bf05a28d4c69f01ca0738b1b14f873", kill_on_drop: false }`
[INFO] [stdout] 70e174508e33d78e179820d5bc7f6f20f8bf05a28d4c69f01ca0738b1b14f873