[INFO] fetching crate va-ts 0.0.3...
[INFO] documenting va-ts-0.0.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate va-ts 0.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate va-ts 0.0.3 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 va-ts 0.0.3
[INFO] finished tweaking crates.io crate va-ts 0.0.3
[INFO] tweaked toml for crates.io crate va-ts 0.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate va-ts 0.0.3 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 encoding_rs v0.8.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 83e0ada28c4e0d2422d57fc310fa23aebfb88a91cc596eb01d3a12bf51611aff
[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" "83e0ada28c4e0d2422d57fc310fa23aebfb88a91cc596eb01d3a12bf51611aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83e0ada28c4e0d2422d57fc310fa23aebfb88a91cc596eb01d3a12bf51611aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e0ada28c4e0d2422d57fc310fa23aebfb88a91cc596eb01d3a12bf51611aff", kill_on_drop: false }`
[INFO] [stdout] 83e0ada28c4e0d2422d57fc310fa23aebfb88a91cc596eb01d3a12bf51611aff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f89bdf0f17740b40976ed17c04347d99972cfdbd55dba856257f736b9b6bd877
[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" "f89bdf0f17740b40976ed17c04347d99972cfdbd55dba856257f736b9b6bd877", kill_on_drop: false }`
[INFO] [stderr]    Compiling encoding_rs v0.8.18
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]  Documenting va-ts v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/demuxer.rs:462:58
[INFO] [stdout]     |
[INFO] [stdout] 462 |     pub fn demux_tables(&mut self, raw: &[u8]) -> Result<(bool)> {
[INFO] [stdout]     |                                                          ^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "f89bdf0f17740b40976ed17c04347d99972cfdbd55dba856257f736b9b6bd877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89bdf0f17740b40976ed17c04347d99972cfdbd55dba856257f736b9b6bd877", kill_on_drop: false }`
[INFO] [stdout] f89bdf0f17740b40976ed17c04347d99972cfdbd55dba856257f736b9b6bd877