[INFO] fetching crate ceph-rust 0.1.17...
[INFO] documenting ceph-rust-0.1.17 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate ceph-rust 0.1.17 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ceph-rust 0.1.17 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 ceph-rust 0.1.17
[INFO] finished tweaking crates.io crate ceph-rust 0.1.17
[INFO] tweaked toml for crates.io crate ceph-rust 0.1.17 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ae269364c120852ffc9bc8a277c738347696aae197eb0c6245e1f89855331f8a
[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" "ae269364c120852ffc9bc8a277c738347696aae197eb0c6245e1f89855331f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae269364c120852ffc9bc8a277c738347696aae197eb0c6245e1f89855331f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae269364c120852ffc9bc8a277c738347696aae197eb0c6245e1f89855331f8a", kill_on_drop: false }`
[INFO] [stdout] ae269364c120852ffc9bc8a277c738347696aae197eb0c6245e1f89855331f8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 0c986d8c4f1d4aeddeb5aa34378d0ebd9c438c8669b6034f036fc061bad2bb22
[INFO] running `Command { std: "docker" "start" "-a" "0c986d8c4f1d4aeddeb5aa34378d0ebd9c438c8669b6034f036fc061bad2bb22", kill_on_drop: false }`
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]  Documenting ceph-rust v0.1.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/utils.rs:30:42
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn run_cli(cmd_line: &str) -> Result<(Output)> {
[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 2.91s
[INFO] running `Command { std: "docker" "inspect" "0c986d8c4f1d4aeddeb5aa34378d0ebd9c438c8669b6034f036fc061bad2bb22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c986d8c4f1d4aeddeb5aa34378d0ebd9c438c8669b6034f036fc061bad2bb22", kill_on_drop: false }`
[INFO] [stdout] 0c986d8c4f1d4aeddeb5aa34378d0ebd9c438c8669b6034f036fc061bad2bb22