[INFO] crate frequency-btreemap 1.0.0 is already in cache
[INFO] documenting frequency-btreemap-1.0.0 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate frequency-btreemap 1.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate frequency-btreemap 1.0.0 on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate frequency-btreemap 1.0.0
[INFO] removed path dependency frequency from crates.io crate frequency-btreemap 1.0.0
[INFO] finished tweaking crates.io crate frequency-btreemap 1.0.0
[INFO] tweaked toml for crates.io crate frequency-btreemap 1.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e40568215f97fbb768812bd41d5c407cf8e2dd4093214a9c75fd57dba6a74e18
[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" "e40568215f97fbb768812bd41d5c407cf8e2dd4093214a9c75fd57dba6a74e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e40568215f97fbb768812bd41d5c407cf8e2dd4093214a9c75fd57dba6a74e18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e40568215f97fbb768812bd41d5c407cf8e2dd4093214a9c75fd57dba6a74e18", kill_on_drop: false }`
[INFO] [stdout] e40568215f97fbb768812bd41d5c407cf8e2dd4093214a9c75fd57dba6a74e18
[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" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1fe4eb9d8bf60e58f8d6eef501839302e9a9606bf9645f01f47a227e5bb1cf6
[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" "f1fe4eb9d8bf60e58f8d6eef501839302e9a9606bf9645f01f47a227e5bb1cf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking frequency v1.0.1
[INFO] [stderr]  Documenting frequency-btreemap v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[btreemap]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:38:50
[INFO] [stdout]    |
[INFO] [stdout] 38 | /// A frequency counter backed by a [`BTreeMap`][btreemap].
[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: `[btreemap]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:38:50
[INFO] [stdout]    |
[INFO] [stdout] 38 | /// A frequency counter backed by a [`BTreeMap`][btreemap].
[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: `[btreemap]` cannot be resolved, ignoring it.
[INFO] [stdout]   --> src/lib.rs:39:6
[INFO] [stdout]    |
[INFO] [stdout] 39 | /// [btreemap]: https://doc.rust-lang.org/std/collections/struct.BTreeMap.html.
[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 4.19s
[INFO] running `Command { std: "docker" "inspect" "f1fe4eb9d8bf60e58f8d6eef501839302e9a9606bf9645f01f47a227e5bb1cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1fe4eb9d8bf60e58f8d6eef501839302e9a9606bf9645f01f47a227e5bb1cf6", kill_on_drop: false }`
[INFO] [stdout] f1fe4eb9d8bf60e58f8d6eef501839302e9a9606bf9645f01f47a227e5bb1cf6