[INFO] fetching crate serde_closure 0.3.2...
[INFO] documenting serde_closure-0.3.2 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate serde_closure 0.3.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate serde_closure 0.3.2 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 4dbd750be7d376e9580381257df1f676f5eaa91634dd88209f19810c4ae62bb1
[INFO] running `Command { std: "docker" "start" "-a" "4dbd750be7d376e9580381257df1f676f5eaa91634dd88209f19810c4ae62bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dbd750be7d376e9580381257df1f676f5eaa91634dd88209f19810c4ae62bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dbd750be7d376e9580381257df1f676f5eaa91634dd88209f19810c4ae62bb1", kill_on_drop: false }`
[INFO] [stdout] 4dbd750be7d376e9580381257df1f676f5eaa91634dd88209f19810c4ae62bb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e7a9888159c3fa6d71f621c36a6c4082bbced43f85fc864013df44d6bef61f3
[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" "4e7a9888159c3fa6d71f621c36a6c4082bbced43f85fc864013df44d6bef61f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]    Compiling serde_closure_derive v0.3.2
[INFO] [stderr]    Compiling serde_closure v0.3.2 (/opt/rustwide/workdir)
[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: 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 7.66s
[INFO] running `Command { std: "docker" "inspect" "4e7a9888159c3fa6d71f621c36a6c4082bbced43f85fc864013df44d6bef61f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7a9888159c3fa6d71f621c36a6c4082bbced43f85fc864013df44d6bef61f3", kill_on_drop: false }`
[INFO] [stdout] 4e7a9888159c3fa6d71f621c36a6c4082bbced43f85fc864013df44d6bef61f3