[INFO] fetching crate trans-gen-ruby 0.3.0-alpha.2...
[INFO] documenting trans-gen-ruby-0.3.0-alpha.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate trans-gen-ruby 0.3.0-alpha.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate trans-gen-ruby 0.3.0-alpha.2 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 trans-gen-ruby 0.3.0-alpha.2
[INFO] finished tweaking crates.io crate trans-gen-ruby 0.3.0-alpha.2
[INFO] tweaked toml for crates.io crate trans-gen-ruby 0.3.0-alpha.2 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1e579b27a85337d732354e3fa3c68f447463fb2c062099c5d097747fb8d7a73e
[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" "1e579b27a85337d732354e3fa3c68f447463fb2c062099c5d097747fb8d7a73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e579b27a85337d732354e3fa3c68f447463fb2c062099c5d097747fb8d7a73e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e579b27a85337d732354e3fa3c68f447463fb2c062099c5d097747fb8d7a73e", kill_on_drop: false }`
[INFO] [stdout] 1e579b27a85337d732354e3fa3c68f447463fb2c062099c5d097747fb8d7a73e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] f7ef8afcffd602f7b8b2c0831b8c51047a18d551a04bf5a4b7445755a310840c
[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" "f7ef8afcffd602f7b8b2c0831b8c51047a18d551a04bf5a4b7445755a310840c", kill_on_drop: false }`
[INFO] [stderr]    Compiling trans-derive v0.3.0-alpha.2
[INFO] [stderr]    Compiling include_dir_impl v0.6.0
[INFO] [stderr]     Checking include_dir v0.6.0
[INFO] [stderr]     Checking trans v0.3.0-alpha.2
[INFO] [stderr]     Checking trans-gen-core v0.3.0-alpha.2
[INFO] [stderr]  Documenting trans-gen-ruby v0.3.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/lib.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |         if (index > 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "f7ef8afcffd602f7b8b2c0831b8c51047a18d551a04bf5a4b7445755a310840c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ef8afcffd602f7b8b2c0831b8c51047a18d551a04bf5a4b7445755a310840c", kill_on_drop: false }`
[INFO] [stdout] f7ef8afcffd602f7b8b2c0831b8c51047a18d551a04bf5a4b7445755a310840c