[INFO] fetching crate jsonrpc-http-server-plus 7.1.0...
[INFO] documenting jsonrpc-http-server-plus-7.1.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate jsonrpc-http-server-plus 7.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate jsonrpc-http-server-plus 7.1.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonrpc-http-server-plus 7.1.0
[INFO] finished tweaking crates.io crate jsonrpc-http-server-plus 7.1.0
[INFO] tweaked toml for crates.io crate jsonrpc-http-server-plus 7.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded try-lock v0.1.0
[INFO] [stderr]   Downloaded take v0.1.0
[INFO] [stderr]   Downloaded smallvec v0.2.1
[INFO] [stderr]   Downloaded relay v0.1.1
[INFO] [stderr]   Downloaded jsonrpc-core v7.1.1
[INFO] [stderr]   Downloaded want v0.0.4
[INFO] [stderr]   Downloaded hyper v0.11.27
[INFO] [stderr]   Downloaded tokio-proto v0.1.1
[INFO] [stderr]   Downloaded jsonrpc-server-utils v7.1.1
[INFO] [stderr]   Downloaded globset v0.1.4
[INFO] [stderr]   Downloaded tokio-service v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f5ac63af46eb07a480aa17c7e17ff1b999e3c2f319f33fceeb41c44b3d0e2b3
[INFO] running `Command { std: "docker" "start" "-a" "2f5ac63af46eb07a480aa17c7e17ff1b999e3c2f319f33fceeb41c44b3d0e2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f5ac63af46eb07a480aa17c7e17ff1b999e3c2f319f33fceeb41c44b3d0e2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5ac63af46eb07a480aa17c7e17ff1b999e3c2f319f33fceeb41c44b3d0e2b3", kill_on_drop: false }`
[INFO] [stdout] 2f5ac63af46eb07a480aa17c7e17ff1b999e3c2f319f33fceeb41c44b3d0e2b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5c7a4b289b18473520c77f77580b649f11deac90458690556edc307d935f39f
[INFO] running `Command { std: "docker" "start" "-a" "f5c7a4b289b18473520c77f77580b649f11deac90458690556edc307d935f39f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking serde_json v1.0.96
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking jsonrpc-core v7.1.1
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking globset v0.1.4
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking jsonrpc-server-utils v7.1.1
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]  Documenting jsonrpc-http-server-plus v7.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:354:27
[INFO] [stdout]     |
[INFO] [stdout] 354 |         }).collect::<io::Result<(Vec<_>)>>()?;
[INFO] [stdout]     |                                 ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 354 -         }).collect::<io::Result<(Vec<_>)>>()?;
[INFO] [stdout] 354 +         }).collect::<io::Result<Vec<_>>>()?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "f5c7a4b289b18473520c77f77580b649f11deac90458690556edc307d935f39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c7a4b289b18473520c77f77580b649f11deac90458690556edc307d935f39f", kill_on_drop: false }`
[INFO] [stdout] f5c7a4b289b18473520c77f77580b649f11deac90458690556edc307d935f39f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cd61c1c69000ca4a6ad8c7d8881546b38daee5415822ba34d39a339640211cb
[INFO] running `Command { std: "docker" "start" "-a" "6cd61c1c69000ca4a6ad8c7d8881546b38daee5415822ba34d39a339640211cb", kill_on_drop: false }`
[INFO] [stderr]  Documenting jsonrpc-http-server-plus v7.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/lib.rs:354:27
[INFO] [stdout]     |
[INFO] [stdout] 354 |         }).collect::<io::Result<(Vec<_>)>>()?;
[INFO] [stdout]     |                                 ^      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 354 -         }).collect::<io::Result<(Vec<_>)>>()?;
[INFO] [stdout] 354 +         }).collect::<io::Result<Vec<_>>>()?;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "6cd61c1c69000ca4a6ad8c7d8881546b38daee5415822ba34d39a339640211cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cd61c1c69000ca4a6ad8c7d8881546b38daee5415822ba34d39a339640211cb", kill_on_drop: false }`
[INFO] [stdout] 6cd61c1c69000ca4a6ad8c7d8881546b38daee5415822ba34d39a339640211cb
