[INFO] fetching crate rt_proto 0.1.7...
[INFO] documenting rt_proto-0.1.7 against 1.75.0 for beta-1.76-rustdoc-2
[INFO] extracting crate rt_proto 0.1.7 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rt_proto 0.1.7 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rt_proto 0.1.7
[INFO] finished tweaking crates.io crate rt_proto 0.1.7
[INFO] tweaked toml for crates.io crate rt_proto 0.1.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate rt_proto 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-serialize v0.3.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e4ae9f42ba78aa2416dcf9cf24947e2a28e7c638c87ea6ab9bc37452df656a2
[INFO] running `Command { std: "docker" "start" "-a" "4e4ae9f42ba78aa2416dcf9cf24947e2a28e7c638c87ea6ab9bc37452df656a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e4ae9f42ba78aa2416dcf9cf24947e2a28e7c638c87ea6ab9bc37452df656a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4ae9f42ba78aa2416dcf9cf24947e2a28e7c638c87ea6ab9bc37452df656a2", kill_on_drop: false }`
[INFO] [stdout] 4e4ae9f42ba78aa2416dcf9cf24947e2a28e7c638c87ea6ab9bc37452df656a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d109ca194450d8518abc19e9c8fc8bf1e8dd8b2cf8931c760e9462a7b24e8043
[INFO] running `Command { std: "docker" "start" "-a" "d109ca194450d8518abc19e9c8fc8bf1e8dd8b2cf8931c760e9462a7b24e8043", kill_on_drop: false }`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]  Documenting rt_proto v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/values.rs:332:35
[INFO] [stdout]     |
[INFO] [stdout] 332 |             Value::Varint(val) => (val as f32  / 1000.0),
[INFO] [stdout]     |                                   ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 332 -             Value::Varint(val) => (val as f32  / 1000.0),
[INFO] [stdout] 332 +             Value::Varint(val) => val as f32  / 1000.0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/values.rs:342:35
[INFO] [stdout]     |
[INFO] [stdout] 342 |             Value::Varint(val) => (val as f64  / 1000000.0),
[INFO] [stdout]     |                                   ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 342 -             Value::Varint(val) => (val as f64  / 1000000.0),
[INFO] [stdout] 342 +             Value::Varint(val) => val as f64  / 1000000.0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rt_proto/index.html
[INFO] running `Command { std: "docker" "inspect" "d109ca194450d8518abc19e9c8fc8bf1e8dd8b2cf8931c760e9462a7b24e8043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d109ca194450d8518abc19e9c8fc8bf1e8dd8b2cf8931c760e9462a7b24e8043", kill_on_drop: false }`
[INFO] [stdout] d109ca194450d8518abc19e9c8fc8bf1e8dd8b2cf8931c760e9462a7b24e8043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "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] aefa9a5d70fcfa4c3a4e90365350be881f7056b4bcb2e89027a84598e0721379
[INFO] running `Command { std: "docker" "start" "-a" "aefa9a5d70fcfa4c3a4e90365350be881f7056b4bcb2e89027a84598e0721379", kill_on_drop: false }`
[INFO] [stderr]  Documenting rt_proto v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/values.rs:332:35
[INFO] [stdout]     |
[INFO] [stdout] 332 |             Value::Varint(val) => (val as f32  / 1000.0),
[INFO] [stdout]     |                                   ^                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 332 -             Value::Varint(val) => (val as f32  / 1000.0),
[INFO] [stdout] 332 +             Value::Varint(val) => val as f32  / 1000.0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/values.rs:342:35
[INFO] [stdout]     |
[INFO] [stdout] 342 |             Value::Varint(val) => (val as f64  / 1000000.0),
[INFO] [stdout]     |                                   ^                       ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 342 -             Value::Varint(val) => (val as f64  / 1000000.0),
[INFO] [stdout] 342 +             Value::Varint(val) => val as f64  / 1000000.0,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rt_proto/index.html
[INFO] running `Command { std: "docker" "inspect" "aefa9a5d70fcfa4c3a4e90365350be881f7056b4bcb2e89027a84598e0721379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aefa9a5d70fcfa4c3a4e90365350be881f7056b4bcb2e89027a84598e0721379", kill_on_drop: false }`
[INFO] [stdout] aefa9a5d70fcfa4c3a4e90365350be881f7056b4bcb2e89027a84598e0721379