[INFO] fetching crate recon-link 0.3.0...
[INFO] documenting recon-link-0.3.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate recon-link 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate recon-link 0.3.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate recon-link 0.3.0
[INFO] finished tweaking crates.io crate recon-link 0.3.0
[INFO] tweaked toml for crates.io crate recon-link 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-retry v0.1.1
[INFO] [stderr]   Downloaded state_machine_future v0.1.8
[INFO] [stderr]   Downloaded derive_state_machine_future v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7284e9ff5ecf545077a88e64c4e53b6c49a89bda3a7d7b0234402334f53b43c6
[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" "7284e9ff5ecf545077a88e64c4e53b6c49a89bda3a7d7b0234402334f53b43c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7284e9ff5ecf545077a88e64c4e53b6c49a89bda3a7d7b0234402334f53b43c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7284e9ff5ecf545077a88e64c4e53b6c49a89bda3a7d7b0234402334f53b43c6", kill_on_drop: false }`
[INFO] [stdout] 7284e9ff5ecf545077a88e64c4e53b6c49a89bda3a7d7b0234402334f53b43c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8af2101272f349b656b54ee1ce18dfc71e429f51f7d85bb748fadf36ea2d780e
[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" "8af2101272f349b656b54ee1ce18dfc71e429f51f7d85bb748fadf36ea2d780e", kill_on_drop: false }`
[INFO] [stderr]     Checking rent_to_own v0.1.0
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-retry v0.1.1
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling derive_state_machine_future v0.1.8
[INFO] [stderr]     Checking state_machine_future v0.1.8
[INFO] [stderr]  Documenting recon-link v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/conn.rs:143:16
[INFO] [stdout]     |
[INFO] [stdout] 143 |         })) as (Box<Future<Item=T,Error=io::Error>>);
[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 20.65s
[INFO] running `Command { std: "docker" "inspect" "8af2101272f349b656b54ee1ce18dfc71e429f51f7d85bb748fadf36ea2d780e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af2101272f349b656b54ee1ce18dfc71e429f51f7d85bb748fadf36ea2d780e", kill_on_drop: false }`
[INFO] [stdout] 8af2101272f349b656b54ee1ce18dfc71e429f51f7d85bb748fadf36ea2d780e
