[INFO] crate rtforth 0.9.0 is already in cache
[INFO] documenting rtforth-0.9.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate rtforth 0.9.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rtforth 0.9.0 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate rtforth 0.9.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rtforth 0.9.0
[INFO] tweaked toml for crates.io crate rtforth 0.9.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate rtforth 0.9.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] 1246f1a8d8f74dbe920f6690f7b389de1cb08666b61b06dcd1fb8e9d2cc51483
[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" "1246f1a8d8f74dbe920f6690f7b389de1cb08666b61b06dcd1fb8e9d2cc51483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1246f1a8d8f74dbe920f6690f7b389de1cb08666b61b06dcd1fb8e9d2cc51483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1246f1a8d8f74dbe920f6690f7b389de1cb08666b61b06dcd1fb8e9d2cc51483", kill_on_drop: false }`
[INFO] [stdout] 1246f1a8d8f74dbe920f6690f7b389de1cb08666b61b06dcd1fb8e9d2cc51483
[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] [stdout] 8ad06459f2759f6fc982691757d42577acf3ed7814aaad423bb538dddce4a4a4
[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" "8ad06459f2759f6fc982691757d42577acf3ed7814aaad423bb538dddce4a4a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking region v1.0.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking approx v0.2.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking uom v0.18.0
[INFO] [stderr]     Checking hibitset v0.5.0
[INFO] [stderr]  Documenting rtforth v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[source_id]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/core.rs:543:21
[INFO] [stdout]     |
[INFO] [stdout] 543 |     /// `self.lines[source_id]`.
[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 23.87s
[INFO] running `Command { std: "docker" "inspect" "8ad06459f2759f6fc982691757d42577acf3ed7814aaad423bb538dddce4a4a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ad06459f2759f6fc982691757d42577acf3ed7814aaad423bb538dddce4a4a4", kill_on_drop: false }`
[INFO] [stdout] 8ad06459f2759f6fc982691757d42577acf3ed7814aaad423bb538dddce4a4a4