[INFO] fetching crate h264-reader 0.4.0...
[INFO] checking h264-reader-0.4.0 against beta for pr-78714
[INFO] extracting crate h264-reader 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate h264-reader 0.4.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate h264-reader 0.4.0
[INFO] finished tweaking crates.io crate h264-reader 0.4.0
[INFO] tweaked toml for crates.io crate h264-reader 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 193565ca59e3574008e0278a06bc9ffedfbab3895c62f213420a15016ba02602
[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" "193565ca59e3574008e0278a06bc9ffedfbab3895c62f213420a15016ba02602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "193565ca59e3574008e0278a06bc9ffedfbab3895c62f213420a15016ba02602", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "193565ca59e3574008e0278a06bc9ffedfbab3895c62f213420a15016ba02602", kill_on_drop: false }`
[INFO] [stdout] 193565ca59e3574008e0278a06bc9ffedfbab3895c62f213420a15016ba02602
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5abc27ae3ab9d35af7d5c8b13da3c23fc27a47da0bdf0beb261bb0587b31606
[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" "a5abc27ae3ab9d35af7d5c8b13da3c23fc27a47da0bdf0beb261bb0587b31606", kill_on_drop: false }`
[INFO] [stderr]     Checking hex-slice v0.1.4
[INFO] [stderr]     Checking bitreader v0.3.2
[INFO] [stderr]    Compiling hex-literal-impl v0.1.2
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Checking h264-reader v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hex-literal v0.1.4
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/nal/pps.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn read(r: &mut RbspBitReader<'_>, sps: &sps::SeqParameterSet, transform_8x8_mode_flag: bool) -> Result<Option<PicScalingMatrix>,PpsE...
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/nal/pps.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn read(r: &mut RbspBitReader<'_>, sps: &sps::SeqParameterSet) -> Result<Option<PicParameterSetExtra>,PpsError> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `decoder`
[INFO] [stdout]   --> benches/bench.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     decoder: RbspDecoder<NullNalHandler>,
[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] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/nal/pps.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn read(r: &mut RbspBitReader<'_>, sps: &sps::SeqParameterSet, transform_8x8_mode_flag: bool) -> Result<Option<PicScalingMatrix>,PpsE...
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]    --> src/nal/pps.rs:179:8
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn read(r: &mut RbspBitReader<'_>, sps: &sps::SeqParameterSet) -> Result<Option<PicParameterSetExtra>,PpsError> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.48s
[INFO] running `Command { std: "docker" "inspect" "a5abc27ae3ab9d35af7d5c8b13da3c23fc27a47da0bdf0beb261bb0587b31606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5abc27ae3ab9d35af7d5c8b13da3c23fc27a47da0bdf0beb261bb0587b31606", kill_on_drop: false }`
[INFO] [stdout] a5abc27ae3ab9d35af7d5c8b13da3c23fc27a47da0bdf0beb261bb0587b31606