[INFO] crate keeshond_datapack 0.5.1 is already in cache
[INFO] documenting keeshond_datapack-0.5.1 against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] extracting crate keeshond_datapack 0.5.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate keeshond_datapack 0.5.1 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 keeshond_datapack 0.5.1
[INFO] finished tweaking crates.io crate keeshond_datapack 0.5.1
[INFO] tweaked toml for crates.io crate keeshond_datapack 0.5.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate keeshond_datapack 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 15d50ac921167cf9c533e8f363f4d8d9731ed1672b84181717142d5de2026aa7
[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" "15d50ac921167cf9c533e8f363f4d8d9731ed1672b84181717142d5de2026aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15d50ac921167cf9c533e8f363f4d8d9731ed1672b84181717142d5de2026aa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d50ac921167cf9c533e8f363f4d8d9731ed1672b84181717142d5de2026aa7", kill_on_drop: false }`
[INFO] [stdout] 15d50ac921167cf9c533e8f363f4d8d9731ed1672b84181717142d5de2026aa7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 80fc7e1fafb5f4669e87bfca403499ff8f4cad21468d6dddc42e2f9fc070c51b
[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" "80fc7e1fafb5f4669e87bfca403499ff8f4cad21468d6dddc42e2f9fc070c51b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking hashbrown v0.2.2
[INFO] [stderr]     Checking try_or v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]  Documenting keeshond_datapack v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[Read]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/source.rs:108:20
[INFO] [stdout]     |
[INFO] [stdout] 108 |     /// Returns a [Read] + [Seek] for the file at the given pathname, if one exists.
[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: `[Seek]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/source.rs:108:29
[INFO] [stdout]     |
[INFO] [stdout] 108 |     /// Returns a [Read] + [Seek] for the file at the given pathname, if one exists.
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.84s
[INFO] running `Command { std: "docker" "inspect" "80fc7e1fafb5f4669e87bfca403499ff8f4cad21468d6dddc42e2f9fc070c51b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80fc7e1fafb5f4669e87bfca403499ff8f4cad21468d6dddc42e2f9fc070c51b", kill_on_drop: false }`
[INFO] [stdout] 80fc7e1fafb5f4669e87bfca403499ff8f4cad21468d6dddc42e2f9fc070c51b