[INFO] fetching crate rml_amf0 0.1.1...
[INFO] documenting rml_amf0-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate rml_amf0 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rml_amf0 0.1.1 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 rml_amf0 0.1.1
[INFO] finished tweaking crates.io crate rml_amf0 0.1.1
[INFO] tweaked toml for crates.io crate rml_amf0 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5fb1e4ccfd1e13b4eb1ba7f3bfb463ed21b8edd742c2ed069b94fa57093fcfce
[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" "5fb1e4ccfd1e13b4eb1ba7f3bfb463ed21b8edd742c2ed069b94fa57093fcfce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fb1e4ccfd1e13b4eb1ba7f3bfb463ed21b8edd742c2ed069b94fa57093fcfce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb1e4ccfd1e13b4eb1ba7f3bfb463ed21b8edd742c2ed069b94fa57093fcfce", kill_on_drop: false }`
[INFO] [stdout] 5fb1e4ccfd1e13b4eb1ba7f3bfb463ed21b8edd742c2ed069b94fa57093fcfce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] bde77e978572c875d7a66670c85ad54bf2d3b0e1499c4bc0aaceb5d286ede787
[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" "bde77e978572c875d7a66670c85ad54bf2d3b0e1499c4bc0aaceb5d286ede787", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting rml_amf0 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/deserialization.rs:85:42
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut buffer: Vec<u8> = vec![0_u8; (length as usize)];
[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 function argument
[INFO] [stdout]    --> src/deserialization.rs:134:36
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let mut label_buffer = vec![0; (label_length as usize)];
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "bde77e978572c875d7a66670c85ad54bf2d3b0e1499c4bc0aaceb5d286ede787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bde77e978572c875d7a66670c85ad54bf2d3b0e1499c4bc0aaceb5d286ede787", kill_on_drop: false }`
[INFO] [stdout] bde77e978572c875d7a66670c85ad54bf2d3b0e1499c4bc0aaceb5d286ede787