[INFO] fetching crate numext-constructor 0.1.4...
[INFO] documenting numext-constructor-0.1.4 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate numext-constructor 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate numext-constructor 0.1.4 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate numext-constructor 0.1.4
[INFO] finished tweaking crates.io crate numext-constructor 0.1.4
[INFO] tweaked toml for crates.io crate numext-constructor 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd99073a381fd689db22085ff4cfc9eaad89bb466def2dc9457e0b3713f9f73f
[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" "bd99073a381fd689db22085ff4cfc9eaad89bb466def2dc9457e0b3713f9f73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd99073a381fd689db22085ff4cfc9eaad89bb466def2dc9457e0b3713f9f73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd99073a381fd689db22085ff4cfc9eaad89bb466def2dc9457e0b3713f9f73f", kill_on_drop: false }`
[INFO] [stdout] bd99073a381fd689db22085ff4cfc9eaad89bb466def2dc9457e0b3713f9f73f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] c246b06dbd9c218bf99bb9ec234540d5f358d42be4cf3717526969d61bd851c9
[INFO] running `Command { std: "docker" "start" "-a" "c246b06dbd9c218bf99bb9ec234540d5f358d42be4cf3717526969d61bd851c9", kill_on_drop: false }`
[INFO] [stderr]  Documenting numext-constructor v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[heapsize]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/fixed_hash/core/extension/heapsize.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | //! Use [`heapsize`] for measuring heap allocations in Rust programs.
[INFO] [stdout]   |          ^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[heapsize]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/fixed_hash/core/extension/heapsize.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | //! [`heapsize`]: https://crates.io/crates/heapsize
[INFO] [stdout]    |      ^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[heapsize]` cannot be resolved, ignoring it.
[INFO] [stdout]  --> src/fixed_uint/core/extension/heapsize.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | //! Use [`heapsize`] for measuring heap allocations in Rust programs.
[INFO] [stdout]   |          ^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[heapsize]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/fixed_uint/core/extension/heapsize.rs:11:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | //! [`heapsize`]: https://crates.io/crates/heapsize
[INFO] [stdout]    |      ^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, just 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 4.43s
[INFO] running `Command { std: "docker" "inspect" "c246b06dbd9c218bf99bb9ec234540d5f358d42be4cf3717526969d61bd851c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c246b06dbd9c218bf99bb9ec234540d5f358d42be4cf3717526969d61bd851c9", kill_on_drop: false }`
[INFO] [stdout] c246b06dbd9c218bf99bb9ec234540d5f358d42be4cf3717526969d61bd851c9