[INFO] fetching crate tracing_facade 0.1.0...
[INFO] documenting tracing_facade-0.1.0 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate tracing_facade 0.1.0 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate tracing_facade 0.1.0 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing_facade 0.1.0
[INFO] finished tweaking crates.io crate tracing_facade 0.1.0
[INFO] tweaked toml for crates.io crate tracing_facade 0.1.0 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a63554fcfb67629b5d45ba4e19c9f3ff8722e2df6c4a7982cbc1d326c3a3d9c8
[INFO] running `Command { std: "docker" "start" "-a" "a63554fcfb67629b5d45ba4e19c9f3ff8722e2df6c4a7982cbc1d326c3a3d9c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a63554fcfb67629b5d45ba4e19c9f3ff8722e2df6c4a7982cbc1d326c3a3d9c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a63554fcfb67629b5d45ba4e19c9f3ff8722e2df6c4a7982cbc1d326c3a3d9c8", kill_on_drop: false }`
[INFO] [stdout] a63554fcfb67629b5d45ba4e19c9f3ff8722e2df6c4a7982cbc1d326c3a3d9c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 313d299b99f11d1fe822178441d93d77574d1a6cbbbd3fc0bc521955eba9931a
[INFO] running `Command { std: "docker" "start" "-a" "313d299b99f11d1fe822178441d93d77574d1a6cbbbd3fc0bc521955eba9931a", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]  Documenting tracing_facade v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `log`
[INFO] [stdout]  --> src/lib.rs:3:68
[INFO] [stdout]   |
[INFO] [stdout] 3 | //! This crate provides a pluggable API for tracing, akin to what [log] does for logging.
[INFO] [stdout]   |                                                                    ^^^ no item named `log` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `tracing_chromium`
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | //!  * [tracing_chromium] - to emit Chromium's trace event format
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ no item named `tracing_chromium` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Tracer`
[INFO] [stdout]   --> src/macros.rs:10:78
[INFO] [stdout]    |
[INFO] [stdout] 10 | /// The behavior of Metadata specification depends on the implementation of [Tracer] being used.
[INFO] [stdout]    |                                                                              ^^^^^^ no item named `Tracer` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Tracer`
[INFO] [stdout]   --> src/macros.rs:59:78
[INFO] [stdout]    |
[INFO] [stdout] 59 | /// The behavior of Metadata specification depends on the implementation of [Tracer] being used.
[INFO] [stdout]    |                                                                              ^^^^^^ no item named `Tracer` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "313d299b99f11d1fe822178441d93d77574d1a6cbbbd3fc0bc521955eba9931a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "313d299b99f11d1fe822178441d93d77574d1a6cbbbd3fc0bc521955eba9931a", kill_on_drop: false }`
[INFO] [stdout] 313d299b99f11d1fe822178441d93d77574d1a6cbbbd3fc0bc521955eba9931a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] b74f6925aadc148892a8a78096ba1ce0bcb0c69962f5123bbb43df05e39fcf8b
[INFO] running `Command { std: "docker" "start" "-a" "b74f6925aadc148892a8a78096ba1ce0bcb0c69962f5123bbb43df05e39fcf8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]  Documenting tracing_facade v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `log`
[INFO] [stdout]  --> src/lib.rs:3:68
[INFO] [stdout]   |
[INFO] [stdout] 3 | //! This crate provides a pluggable API for tracing, akin to what [log] does for logging.
[INFO] [stdout]   |                                                                    ^^^ no item named `log` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `tracing_chromium`
[INFO] [stdout]  --> src/lib.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | //!  * [tracing_chromium] - to emit Chromium's trace event format
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^ no item named `tracing_chromium` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Tracer`
[INFO] [stdout]   --> src/macros.rs:10:78
[INFO] [stdout]    |
[INFO] [stdout] 10 | /// The behavior of Metadata specification depends on the implementation of [Tracer] being used.
[INFO] [stdout]    |                                                                              ^^^^^^ no item named `Tracer` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Tracer`
[INFO] [stdout]   --> src/macros.rs:59:78
[INFO] [stdout]    |
[INFO] [stdout] 59 | /// The behavior of Metadata specification depends on the implementation of [Tracer] being used.
[INFO] [stdout]    |                                                                              ^^^^^^ no item named `Tracer` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "b74f6925aadc148892a8a78096ba1ce0bcb0c69962f5123bbb43df05e39fcf8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74f6925aadc148892a8a78096ba1ce0bcb0c69962f5123bbb43df05e39fcf8b", kill_on_drop: false }`
[INFO] [stdout] b74f6925aadc148892a8a78096ba1ce0bcb0c69962f5123bbb43df05e39fcf8b