[INFO] fetching crate call-trace-tls 0.4.0...
[INFO] documenting call-trace-tls-0.4.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate call-trace-tls 0.4.0 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate call-trace-tls 0.4.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate call-trace-tls 0.4.0
[INFO] finished tweaking crates.io crate call-trace-tls 0.4.0
[INFO] tweaked toml for crates.io crate call-trace-tls 0.4.0 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded call-trace-macro v0.4.0
[INFO] [stderr]   Downloaded call-trace v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6b335938f195435373c3f06f9565bbe25b25c8225703aa007ea896deab6e84b
[INFO] running `Command { std: "docker" "start" "-a" "e6b335938f195435373c3f06f9565bbe25b25c8225703aa007ea896deab6e84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6b335938f195435373c3f06f9565bbe25b25c8225703aa007ea896deab6e84b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b335938f195435373c3f06f9565bbe25b25c8225703aa007ea896deab6e84b", kill_on_drop: false }`
[INFO] [stdout] e6b335938f195435373c3f06f9565bbe25b25c8225703aa007ea896deab6e84b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a476ffb42ac244771d81510007d66b0365cce0d1762ee9f2f926bb1111295e7c
[INFO] running `Command { std: "docker" "start" "-a" "a476ffb42ac244771d81510007d66b0365cce0d1762ee9f2f926bb1111295e7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling call-trace-macro v0.4.0
[INFO] [stderr]     Checking call-trace v0.4.0
[INFO] [stderr]  Documenting call-trace-tls v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | / ```
[INFO] [stdout] 7 | |
[INFO] [stdout] 8 | | ```
[INFO] [stdout]   | |___^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]   |
[INFO] [stdout] 6 | ```text
[INFO] [stdout]   |    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / ```
[INFO] [stdout] 19 | |
[INFO] [stdout] 20 | | ```
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 18 | ```text
[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 9.34s
[INFO] running `Command { std: "docker" "inspect" "a476ffb42ac244771d81510007d66b0365cce0d1762ee9f2f926bb1111295e7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a476ffb42ac244771d81510007d66b0365cce0d1762ee9f2f926bb1111295e7c", kill_on_drop: false }`
[INFO] [stdout] a476ffb42ac244771d81510007d66b0365cce0d1762ee9f2f926bb1111295e7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 98c22910a9ac63d9ad996c80060c85f1bb70eec7cec4d3a239a21b40be755ee9
[INFO] running `Command { std: "docker" "start" "-a" "98c22910a9ac63d9ad996c80060c85f1bb70eec7cec4d3a239a21b40be755ee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling call-trace-macro v0.4.0
[INFO] [stderr]     Checking call-trace v0.4.0
[INFO] [stderr]  Documenting call-trace-tls v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | / ```
[INFO] [stdout] 7 | |
[INFO] [stdout] 8 | | ```
[INFO] [stdout]   | |___^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]   |
[INFO] [stdout] 6 | ```text
[INFO] [stdout]   |    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/lib.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | / ```
[INFO] [stdout] 19 | |
[INFO] [stdout] 20 | | ```
[INFO] [stdout]    | |___^
[INFO] [stdout]    |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 18 | ```text
[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 8.55s
[INFO] running `Command { std: "docker" "inspect" "98c22910a9ac63d9ad996c80060c85f1bb70eec7cec4d3a239a21b40be755ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c22910a9ac63d9ad996c80060c85f1bb70eec7cec4d3a239a21b40be755ee9", kill_on_drop: false }`
[INFO] [stdout] 98c22910a9ac63d9ad996c80060c85f1bb70eec7cec4d3a239a21b40be755ee9