[INFO] fetching crate serde_closure 0.3.2...
[INFO] documenting serde_closure-0.3.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate serde_closure 0.3.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate serde_closure 0.3.2 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 serde_closure 0.3.2
[INFO] finished tweaking crates.io crate serde_closure 0.3.2
[INFO] tweaked toml for crates.io crate serde_closure 0.3.2 written to /workspace/builds/worker-14/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33bde92519d506a3da7bb95f131b8fec2abb4a4375eb1604580e5fd7fd81fa1e
[INFO] running `Command { std: "docker" "start" "-a" "33bde92519d506a3da7bb95f131b8fec2abb4a4375eb1604580e5fd7fd81fa1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33bde92519d506a3da7bb95f131b8fec2abb4a4375eb1604580e5fd7fd81fa1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33bde92519d506a3da7bb95f131b8fec2abb4a4375eb1604580e5fd7fd81fa1e", kill_on_drop: false }`
[INFO] [stdout] 33bde92519d506a3da7bb95f131b8fec2abb4a4375eb1604580e5fd7fd81fa1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37f8bfaff2a4d030bdbc946c39539a9617587396bb8fc142c52e6a27052ecdb9
[INFO] running `Command { std: "docker" "start" "-a" "37f8bfaff2a4d030bdbc946c39539a9617587396bb8fc142c52e6a27052ecdb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_closure v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling serde_closure_derive v0.3.2
[INFO] [stderr]  Documenting serde_closure v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.rs:523:6
[INFO] [stdout]     |
[INFO] [stdout] 523 |       /// ```ignore
[INFO] [stdout]     |  _________^
[INFO] [stdout] 524 | |     /// let t: Box<dyn FnOnceBox(…) -> …> = …;
[INFO] [stdout] 525 | |     /// let output = t.call_once_box((…,));
[INFO] [stdout] 526 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/lib.rs:523:6
[INFO] [stdout]     |
[INFO] [stdout] 523 |     /// ```ignore
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2026}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2026}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2026}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2026}
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.48s
[INFO] running `Command { std: "docker" "inspect" "37f8bfaff2a4d030bdbc946c39539a9617587396bb8fc142c52e6a27052ecdb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f8bfaff2a4d030bdbc946c39539a9617587396bb8fc142c52e6a27052ecdb9", kill_on_drop: false }`
[INFO] [stdout] 37f8bfaff2a4d030bdbc946c39539a9617587396bb8fc142c52e6a27052ecdb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] e84a6945b023fa0e42eab32aeafec64a924e90e3d5dfebb90cef8235aafc96cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e84a6945b023fa0e42eab32aeafec64a924e90e3d5dfebb90cef8235aafc96cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling serde_closure v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_closure_derive v0.3.2
[INFO] [stderr]  Documenting serde_closure v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/lib.rs:523:6
[INFO] [stdout]     |
[INFO] [stdout] 523 |       /// ```ignore
[INFO] [stdout]     |  _________^
[INFO] [stdout] 524 | |     /// let t: Box<dyn FnOnceBox(…) -> …> = …;
[INFO] [stdout] 525 | |     /// let output = t.call_once_box((…,));
[INFO] [stdout] 526 | |     /// ```
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: `ignore` code blocks require valid Rust code for syntax highlighting; mark blocks that do not contain Rust code as text: ```text
[INFO] [stdout]    --> src/lib.rs:523:6
[INFO] [stdout]     |
[INFO] [stdout] 523 |     /// ```ignore
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2026}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2026}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2026}
[INFO] [stdout]     = note: error from rustc: unknown start of token: \u{2026}
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.64s
[INFO] running `Command { std: "docker" "inspect" "e84a6945b023fa0e42eab32aeafec64a924e90e3d5dfebb90cef8235aafc96cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84a6945b023fa0e42eab32aeafec64a924e90e3d5dfebb90cef8235aafc96cb", kill_on_drop: false }`
[INFO] [stdout] e84a6945b023fa0e42eab32aeafec64a924e90e3d5dfebb90cef8235aafc96cb