[INFO] crate object 0.20.0 is already in cache
[INFO] documenting object-0.20.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate object 0.20.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate object 0.20.0 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 object 0.20.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate object 0.20.0
[INFO] tweaked toml for crates.io crate object 0.20.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate object 0.20.0 already has a lockfile, it will not be regenerated
[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] e31cdca2dc313e71373992403f7f31db8b80cc02ddb26298003b5ef9595d5232
[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" "e31cdca2dc313e71373992403f7f31db8b80cc02ddb26298003b5ef9595d5232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e31cdca2dc313e71373992403f7f31db8b80cc02ddb26298003b5ef9595d5232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31cdca2dc313e71373992403f7f31db8b80cc02ddb26298003b5ef9595d5232", kill_on_drop: false }`
[INFO] [stdout] e31cdca2dc313e71373992403f7f31db8b80cc02ddb26298003b5ef9595d5232
[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] [stdout] d5904bb13c778a270436893ef2f7a12e5f9ecd107e8c583d7d68e30533277cc4
[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" "d5904bb13c778a270436893ef2f7a12e5f9ecd107e8c583d7d68e30533277cc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking wasmparser v0.57.0
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking flate2 v1.0.7
[INFO] [stderr]  Documenting object v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[ds]` cannot be resolved, ignoring it.
[INFO] [stdout]     --> src/elf.rs:2388:16
[INFO] [stdout]      |
[INFO] [stdout] 2388 | /// R5000 cvt.[ds].l bug.  clean=1.
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `Command { std: "docker" "inspect" "d5904bb13c778a270436893ef2f7a12e5f9ecd107e8c583d7d68e30533277cc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5904bb13c778a270436893ef2f7a12e5f9ecd107e8c583d7d68e30533277cc4", kill_on_drop: false }`
[INFO] [stdout] d5904bb13c778a270436893ef2f7a12e5f9ecd107e8c583d7d68e30533277cc4