[INFO] fetching crate libasuran 0.0.3...
[INFO] documenting libasuran-0.0.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate libasuran 0.0.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libasuran 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] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking crates.io crate libasuran 0.0.3
[INFO] finished tweaking crates.io crate libasuran 0.0.3
[INFO] tweaked toml for crates.io crate libasuran 0.0.3 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 }`
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[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24c806705cf87e95ff0e02fa0b7975d62c4f57488874cd789b9f7490bfd72e18
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[INFO] running `Command { std: "docker" "inspect" "24c806705cf87e95ff0e02fa0b7975d62c4f57488874cd789b9f7490bfd72e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c806705cf87e95ff0e02fa0b7975d62c4f57488874cd789b9f7490bfd72e18", kill_on_drop: false }`
[INFO] [stdout] 24c806705cf87e95ff0e02fa0b7975d62c4f57488874cd789b9f7490bfd72e18
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d7effe4fd6eb8410b876edc9b150211cd8e61f6ad144c645f92eac424cc2aea
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[INFO] [stderr]  Documenting libasuran v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/repository/backend/multifile/index.rs:194:34
[INFO] [stdout]     |
[INFO] [stdout] 194 |                         ret.send({ index.drain_changes() }).unwrap();
[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 1m 51s
[INFO] running `Command { std: "docker" "inspect" "8d7effe4fd6eb8410b876edc9b150211cd8e61f6ad144c645f92eac424cc2aea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7effe4fd6eb8410b876edc9b150211cd8e61f6ad144c645f92eac424cc2aea", kill_on_drop: false }`
[INFO] [stdout] 8d7effe4fd6eb8410b876edc9b150211cd8e61f6ad144c645f92eac424cc2aea