[INFO] fetching crate spaniel 0.1.0... [INFO] documenting spaniel-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] extracting crate spaniel 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate spaniel 0.1.0 on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate spaniel 0.1.0 [INFO] finished tweaking crates.io crate spaniel 0.1.0 [INFO] tweaked toml for crates.io crate spaniel 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 843654d6abae454e4f24cf0ea8b67c17b657a12652a09b6c8ef5d1cfcb85a3c3 [INFO] running `Command { std: "docker" "start" "-a" "843654d6abae454e4f24cf0ea8b67c17b657a12652a09b6c8ef5d1cfcb85a3c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "843654d6abae454e4f24cf0ea8b67c17b657a12652a09b6c8ef5d1cfcb85a3c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "843654d6abae454e4f24cf0ea8b67c17b657a12652a09b6c8ef5d1cfcb85a3c3", kill_on_drop: false }` [INFO] [stdout] 843654d6abae454e4f24cf0ea8b67c17b657a12652a09b6c8ef5d1cfcb85a3c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b430876aff12d08d0bb7545e875f62a6f4dea97509d9bb37b41df386e2de9859 [INFO] running `Command { std: "docker" "start" "-a" "b430876aff12d08d0bb7545e875f62a6f4dea97509d9bb37b41df386e2de9859", kill_on_drop: false }` [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Documenting spaniel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:127:58 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 127 - pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stdout] 127 + pub fn buffer_data(&mut self, data: Bytes) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:251:60 [INFO] [stdout] | [INFO] [stdout] 251 | pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 251 - pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stdout] 251 + pub fn buffer_frame(&mut self, frame: Frame) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:260:62 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 260 - pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stdout] 260 + pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.93s [INFO] running `Command { std: "docker" "inspect" "b430876aff12d08d0bb7545e875f62a6f4dea97509d9bb37b41df386e2de9859", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b430876aff12d08d0bb7545e875f62a6f4dea97509d9bb37b41df386e2de9859", kill_on_drop: false }` [INFO] [stdout] b430876aff12d08d0bb7545e875f62a6f4dea97509d9bb37b41df386e2de9859 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] 40b4e565d4868c68be0771df205d28a512313b3e4948ed8537d16abb18bf1ae8 [INFO] running `Command { std: "docker" "start" "-a" "40b4e565d4868c68be0771df205d28a512313b3e4948ed8537d16abb18bf1ae8", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Documenting spaniel v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:127:58 [INFO] [stdout] | [INFO] [stdout] 127 | pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 127 - pub fn buffer_data(&mut self, data: Bytes) -> Result<(usize), WriteError> { [INFO] [stdout] 127 + pub fn buffer_data(&mut self, data: Bytes) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:251:60 [INFO] [stdout] | [INFO] [stdout] 251 | pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 251 - pub fn buffer_frame(&mut self, frame: Frame) -> Result<(usize), WriteError> { [INFO] [stdout] 251 + pub fn buffer_frame(&mut self, frame: Frame) -> Result { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/protocol/codec/writer.rs:260:62 [INFO] [stdout] | [INFO] [stdout] 260 | pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 260 - pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll<(usize), WriteError> { [INFO] [stdout] 260 + pub fn buffer_and_flush(&mut self, frame: Frame) -> Poll { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.56s [INFO] running `Command { std: "docker" "inspect" "40b4e565d4868c68be0771df205d28a512313b3e4948ed8537d16abb18bf1ae8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40b4e565d4868c68be0771df205d28a512313b3e4948ed8537d16abb18bf1ae8", kill_on_drop: false }` [INFO] [stdout] 40b4e565d4868c68be0771df205d28a512313b3e4948ed8537d16abb18bf1ae8