[INFO] fetching crate nacl 0.3.0...
[INFO] documenting nacl-0.3.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate nacl 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nacl 0.3.0 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 nacl 0.3.0
[INFO] finished tweaking crates.io crate nacl 0.3.0
[INFO] tweaked toml for crates.io crate nacl 0.3.0 written to /workspace/builds/worker-6/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-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] 5a5f3956e3c97f47f71531567dcad95040afd1d753d92028c169b7674a27a141
[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" "5a5f3956e3c97f47f71531567dcad95040afd1d753d92028c169b7674a27a141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a5f3956e3c97f47f71531567dcad95040afd1d753d92028c169b7674a27a141", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5f3956e3c97f47f71531567dcad95040afd1d753d92028c169b7674a27a141", kill_on_drop: false }`
[INFO] [stdout] 5a5f3956e3c97f47f71531567dcad95040afd1d753d92028c169b7674a27a141
[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] c1e11dfbe055986731ecd3fb1fe849704995a5b683d0aa72f3746ec03aee7763
[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" "c1e11dfbe055986731ecd3fb1fe849704995a5b683d0aa72f3746ec03aee7763", kill_on_drop: false }`
[INFO] [stderr]  Documenting nacl v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/util/verify.rs:24:2
[INFO] [stdout]    |
[INFO] [stdout] 24 |     (differentbits == 0)
[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 block return value
[INFO] [stdout]   --> src/util/verify.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 32 |     (differentbits == 0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/util/verify.rs:42:2
[INFO] [stdout]    |
[INFO] [stdout] 42 |     (differentbits == 0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.88s
[INFO] running `Command { std: "docker" "inspect" "c1e11dfbe055986731ecd3fb1fe849704995a5b683d0aa72f3746ec03aee7763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e11dfbe055986731ecd3fb1fe849704995a5b683d0aa72f3746ec03aee7763", kill_on_drop: false }`
[INFO] [stdout] c1e11dfbe055986731ecd3fb1fe849704995a5b683d0aa72f3746ec03aee7763