[INFO] fetching crate embly 0.0.5...
[INFO] documenting embly-0.0.5 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate embly 0.0.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate embly 0.0.5 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 embly 0.0.5
[INFO] finished tweaking crates.io crate embly 0.0.5
[INFO] tweaked toml for crates.io crate embly 0.0.5 written to /workspace/builds/worker-5/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-protobuf v0.6.4
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7466142bcb90d1ba614f2e187ba6f673bf32d258460b7d9a2bde01040ee67daf
[INFO] running `Command { std: "docker" "start" "-a" "7466142bcb90d1ba614f2e187ba6f673bf32d258460b7d9a2bde01040ee67daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7466142bcb90d1ba614f2e187ba6f673bf32d258460b7d9a2bde01040ee67daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7466142bcb90d1ba614f2e187ba6f673bf32d258460b7d9a2bde01040ee67daf", kill_on_drop: false }`
[INFO] [stdout] 7466142bcb90d1ba614f2e187ba6f673bf32d258460b7d9a2bde01040ee67daf
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0907db18843e35bfdbb2e4e7b7eb622617b687e87b42248425a505582bf6c270
[INFO] running `Command { std: "docker" "start" "-a" "0907db18843e35bfdbb2e4e7b7eb622617b687e87b42248425a505582bf6c270", kill_on_drop: false }`
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking quick-protobuf v0.6.4
[INFO] [stderr]  Documenting embly v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:72:55
[INFO] [stdout]    |
[INFO] [stdout] 72 |     static ref EVENT_REGISTRY: Mutex<BTreeSet<i32>> = { Mutex::new(BTreeSet::new()) };
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` 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 6.08s
[INFO] running `Command { std: "docker" "inspect" "0907db18843e35bfdbb2e4e7b7eb622617b687e87b42248425a505582bf6c270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0907db18843e35bfdbb2e4e7b7eb622617b687e87b42248425a505582bf6c270", kill_on_drop: false }`
[INFO] [stdout] 0907db18843e35bfdbb2e4e7b7eb622617b687e87b42248425a505582bf6c270