[INFO] fetching crate tracing_facade 0.1.0...
[INFO] documenting tracing_facade-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate tracing_facade 0.1.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate tracing_facade 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 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-31/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] e1e19af363bf944751ee8556ca470a14f870cc088183b68e372036759c66f788
[INFO] running `Command { std: "docker" "start" "-a" "e1e19af363bf944751ee8556ca470a14f870cc088183b68e372036759c66f788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1e19af363bf944751ee8556ca470a14f870cc088183b68e372036759c66f788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1e19af363bf944751ee8556ca470a14f870cc088183b68e372036759c66f788", kill_on_drop: false }`
[INFO] [stdout] e1e19af363bf944751ee8556ca470a14f870cc088183b68e372036759c66f788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] e070a0bc12ab1f39d0d4f08d7111af4b968fb103116e47201345365b2e597612
[INFO] running `Command { std: "docker" "start" "-a" "e070a0bc12ab1f39d0d4f08d7111af4b968fb103116e47201345365b2e597612", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking serde_json v1.0.81
[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 6.74s
[INFO] running `Command { std: "docker" "inspect" "e070a0bc12ab1f39d0d4f08d7111af4b968fb103116e47201345365b2e597612", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e070a0bc12ab1f39d0d4f08d7111af4b968fb103116e47201345365b2e597612", kill_on_drop: false }`
[INFO] [stdout] e070a0bc12ab1f39d0d4f08d7111af4b968fb103116e47201345365b2e597612
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "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: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] 1779f10cd6d3ad7b14a06699d3d69db379fdf97c465d35dc5f67a4c1e4bd495e
[INFO] running `Command { std: "docker" "start" "-a" "1779f10cd6d3ad7b14a06699d3d69db379fdf97c465d35dc5f67a4c1e4bd495e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking itoa v1.0.2
[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 6.97s
[INFO] running `Command { std: "docker" "inspect" "1779f10cd6d3ad7b14a06699d3d69db379fdf97c465d35dc5f67a4c1e4bd495e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1779f10cd6d3ad7b14a06699d3d69db379fdf97c465d35dc5f67a4c1e4bd495e", kill_on_drop: false }`
[INFO] [stdout] 1779f10cd6d3ad7b14a06699d3d69db379fdf97c465d35dc5f67a4c1e4bd495e