[INFO] fetching crate vst 0.2.0...
[INFO] documenting vst-0.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate vst 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate vst 0.2.0 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 vst 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate vst 0.2.0
[INFO] tweaked toml for crates.io crate vst 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate vst 0.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c49f0b41fce706ec6460c319d291eaf57c67a6f53dd6ba304a26d12c9c6043fa
[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" "c49f0b41fce706ec6460c319d291eaf57c67a6f53dd6ba304a26d12c9c6043fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c49f0b41fce706ec6460c319d291eaf57c67a6f53dd6ba304a26d12c9c6043fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49f0b41fce706ec6460c319d291eaf57c67a6f53dd6ba304a26d12c9c6043fa", kill_on_drop: false }`
[INFO] [stdout] c49f0b41fce706ec6460c319d291eaf57c67a6f53dd6ba304a26d12c9c6043fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 37aaab8a59eadce3b0f0b8b6c359a5ad5f2459f56e69f58bdeaceb058497e590
[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" "37aaab8a59eadce3b0f0b8b6c359a5ad5f2459f56e69f58bdeaceb058497e590", kill_on_drop: false }`
[INFO] [stderr]  Documenting vst v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/plugin.rs:960:34
[INFO] [stdout]     |
[INFO] [stdout] 960 |             ptr => Some(unsafe { (*(ptr as *const TimeInfo)) }),
[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 1.72s
[INFO] running `Command { std: "docker" "inspect" "37aaab8a59eadce3b0f0b8b6c359a5ad5f2459f56e69f58bdeaceb058497e590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37aaab8a59eadce3b0f0b8b6c359a5ad5f2459f56e69f58bdeaceb058497e590", kill_on_drop: false }`
[INFO] [stdout] 37aaab8a59eadce3b0f0b8b6c359a5ad5f2459f56e69f58bdeaceb058497e590