[INFO] fetching crate av-scenechange 0.4.1...
[INFO] documenting av-scenechange-0.4.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate av-scenechange 0.4.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate av-scenechange 0.4.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate av-scenechange 0.4.1
[INFO] finished tweaking crates.io crate av-scenechange 0.4.1
[INFO] tweaked toml for crates.io crate av-scenechange 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate av-scenechange 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nasm-rs v0.1.7
[INFO] [stderr]   Downloaded noop_proc_macro v0.2.1
[INFO] [stderr]   Downloaded paste-impl v0.1.9
[INFO] [stderr]   Downloaded paste v0.1.9
[INFO] [stderr]   Downloaded v_frame v0.1.0
[INFO] [stderr]   Downloaded y4m v0.5.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ae8df6305315eb0700ed0c2c7bc88ddafa543095eedef98be6f25c64ffa1fa7
[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" "4ae8df6305315eb0700ed0c2c7bc88ddafa543095eedef98be6f25c64ffa1fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ae8df6305315eb0700ed0c2c7bc88ddafa543095eedef98be6f25c64ffa1fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae8df6305315eb0700ed0c2c7bc88ddafa543095eedef98be6f25c64ffa1fa7", kill_on_drop: false }`
[INFO] [stdout] 4ae8df6305315eb0700ed0c2c7bc88ddafa543095eedef98be6f25c64ffa1fa7
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4313c885f3c1c9b29411bd79f162d4baeddf4459c83d144e4081a1c6a6efbd4
[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" "f4313c885f3c1c9b29411bd79f162d4baeddf4459c83d144e4081a1c6a6efbd4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling nasm-rs v0.1.7
[INFO] [stderr]    Compiling noop_proc_macro v0.2.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking y4m v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling paste-impl v0.1.9
[INFO] [stderr]    Compiling av-scenechange v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking paste v0.1.9
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking v_frame v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.50
[INFO] [stderr]  Documenting av-scenechange v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/frame.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const MIB_SIZE_LOG2: usize = (SB_SIZE_LOG2 - MI_SIZE_LOG2);
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/frame.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const MI_SIZE: usize = (1 << MI_SIZE_LOG2);
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/frame.rs:18:38
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const MAX_MIB_SIZE_LOG2: usize = (MAX_SB_SIZE_LOG2 - MI_SIZE_LOG2);
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around const expression
[INFO] [stdout]   --> src/refs.rs:65:50
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub frames: [Option<Arc<ReferenceFrame<T>>>; (REF_FRAMES as usize)],
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.05s
[INFO] running `Command { std: "docker" "inspect" "f4313c885f3c1c9b29411bd79f162d4baeddf4459c83d144e4081a1c6a6efbd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4313c885f3c1c9b29411bd79f162d4baeddf4459c83d144e4081a1c6a6efbd4", kill_on_drop: false }`
[INFO] [stdout] f4313c885f3c1c9b29411bd79f162d4baeddf4459c83d144e4081a1c6a6efbd4