[INFO] crate quanta 0.5.3-alpha.2 is already in cache
[INFO] documenting quanta-0.5.3-alpha.2 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate quanta 0.5.3-alpha.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate quanta 0.5.3-alpha.2 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 quanta 0.5.3-alpha.2
[INFO] finished tweaking crates.io crate quanta 0.5.3-alpha.2
[INFO] tweaked toml for crates.io crate quanta 0.5.3-alpha.2 written to /workspace/builds/worker-10/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] d18cdfe9678a32ffad61107f66c764ff8823343f031bd153cdd0be49dd4875c3
[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" "d18cdfe9678a32ffad61107f66c764ff8823343f031bd153cdd0be49dd4875c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d18cdfe9678a32ffad61107f66c764ff8823343f031bd153cdd0be49dd4875c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d18cdfe9678a32ffad61107f66c764ff8823343f031bd153cdd0be49dd4875c3", kill_on_drop: false }`
[INFO] [stdout] d18cdfe9678a32ffad61107f66c764ff8823343f031bd153cdd0be49dd4875c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e38db63c2061e4f53a112916fd44a846fd00b3d1e3a83a20cde58937d2e16eb9
[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" "e38db63c2061e4f53a112916fd44a846fd00b3d1e3a83a20cde58937d2e16eb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling raw-cpuid v8.1.0
[INFO] [stderr]  Documenting quanta v0.5.3-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[now]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:171:42
[INFO] [stdout]     |
[INFO] [stdout] 171 |     /// than the general performance of [`now`].  This is useful for short sections of code where
[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: `[now]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:181:42
[INFO] [stdout]     |
[INFO] [stdout] 181 |     /// than the general performance of [`now`].  This is useful for short sections of code where
[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: `[Builder]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:462:28
[INFO] [stdout]     |
[INFO] [stdout] 462 |     /// documentation for [`Builder`] for more information on starting the upkeep thread, as well
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "e38db63c2061e4f53a112916fd44a846fd00b3d1e3a83a20cde58937d2e16eb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e38db63c2061e4f53a112916fd44a846fd00b3d1e3a83a20cde58937d2e16eb9", kill_on_drop: false }`
[INFO] [stdout] e38db63c2061e4f53a112916fd44a846fd00b3d1e3a83a20cde58937d2e16eb9