[INFO] fetching crate rnp 0.1.146...
[INFO] documenting rnp-0.1.146 against 1.75.0 for beta-1.76-rustdoc-2
[INFO] extracting crate rnp 0.1.146 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate rnp 0.1.146 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] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rnp 0.1.146
[INFO] finished tweaking crates.io crate rnp 0.1.146
[INFO] tweaked toml for crates.io crate rnp 0.1.146 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate rnp 0.1.146 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 }`
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[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] a2db06a48bcd64ddbd8eba249a249ddc96fd827ff5f146f92ba8726d8ebd31c1
[INFO] running `Command { std: "docker" "start" "-a" "a2db06a48bcd64ddbd8eba249a249ddc96fd827ff5f146f92ba8726d8ebd31c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2db06a48bcd64ddbd8eba249a249ddc96fd827ff5f146f92ba8726d8ebd31c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2db06a48bcd64ddbd8eba249a249ddc96fd827ff5f146f92ba8726d8ebd31c1", kill_on_drop: false }`
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[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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "0ed9857301c4a8a0bd38b3c8ab664056bb2e1600c90671b017f58a99ff66376e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rnp v0.1.146 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rnp v0.1.146 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/ping_runners/ping_result_processing_worker.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     #[requires(config.exit_on_fail -> config.exit_failure_reason.is_some())]
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 29 |         return join_handle;
[INFO] [stdout]    |         ------------------ any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the attribute macro `requires` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/stub_servers/stub_server_factory.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  |   #[requires(config.report_interval.as_millis() > 0)]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stdout] ...
[INFO] [stdout] 18 | /     match config.protocol {
[INFO] [stdout] 19 | |         RnpSupportedProtocol::TCP => return StubServerTcp::run_new(config.clone(), stop_event, server_started_event),
[INFO] [stdout] 20 | |         _ => panic!("Protocol {} is not supported!", config.protocol),
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the attribute macro `requires` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.03s
[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/rnp/index.html
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rnp_server/index.html
[INFO] running `Command { std: "docker" "inspect" "0ed9857301c4a8a0bd38b3c8ab664056bb2e1600c90671b017f58a99ff66376e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed9857301c4a8a0bd38b3c8ab664056bb2e1600c90671b017f58a99ff66376e", kill_on_drop: false }`
[INFO] [stdout] 0ed9857301c4a8a0bd38b3c8ab664056bb2e1600c90671b017f58a99ff66376e
[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" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/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] 9421369a7363cf203757041d43ec75ce35fb8e5a0897d101604e90c57497b467
[INFO] running `Command { std: "docker" "start" "-a" "9421369a7363cf203757041d43ec75ce35fb8e5a0897d101604e90c57497b467", kill_on_drop: false }`
[INFO] [stderr]  Documenting rnp v0.1.146 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[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/rnp/index.html
[INFO] running `Command { std: "docker" "inspect" "9421369a7363cf203757041d43ec75ce35fb8e5a0897d101604e90c57497b467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9421369a7363cf203757041d43ec75ce35fb8e5a0897d101604e90c57497b467", kill_on_drop: false }`
[INFO] [stdout] 9421369a7363cf203757041d43ec75ce35fb8e5a0897d101604e90c57497b467
