[INFO] crate xz2 0.1.6 is already in cache
[INFO] documenting xz2-0.1.6 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate xz2 0.1.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate xz2 0.1.6 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 xz2 0.1.6
[INFO] finished tweaking crates.io crate xz2 0.1.6
[INFO] tweaked toml for crates.io crate xz2 0.1.6 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a30aa15cdc0a47a4b6fadb253025e2cc4eaaa225271c8a43cd89d9c0543f3477
[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" "a30aa15cdc0a47a4b6fadb253025e2cc4eaaa225271c8a43cd89d9c0543f3477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a30aa15cdc0a47a4b6fadb253025e2cc4eaaa225271c8a43cd89d9c0543f3477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30aa15cdc0a47a4b6fadb253025e2cc4eaaa225271c8a43cd89d9c0543f3477", kill_on_drop: false }`
[INFO] [stdout] a30aa15cdc0a47a4b6fadb253025e2cc4eaaa225271c8a43cd89d9c0543f3477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 9a8447b0b81c9b7d7e59680fac380f1f56c9b6afa27eaacdfd53e513e3de7f89
[INFO] running `Command { std: "docker" "start" "-a" "9a8447b0b81c9b7d7e59680fac380f1f56c9b6afa27eaacdfd53e513e3de7f89", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cc v1.0.56
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]  Documenting xz2 v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[xz::bufread::XzDecoder]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/read.rs:116:14
[INFO] [stdout]     |
[INFO] [stdout] 116 |     /// Use [`xz::bufread::XzDecoder`] instead to process a mix of xz and non-xz data.
[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 5.98s
[INFO] running `Command { std: "docker" "inspect" "9a8447b0b81c9b7d7e59680fac380f1f56c9b6afa27eaacdfd53e513e3de7f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8447b0b81c9b7d7e59680fac380f1f56c9b6afa27eaacdfd53e513e3de7f89", kill_on_drop: false }`
[INFO] [stdout] 9a8447b0b81c9b7d7e59680fac380f1f56c9b6afa27eaacdfd53e513e3de7f89