[INFO] fetching crate tokenlock 0.3.7...
[INFO] documenting tokenlock-0.3.7 against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] extracting crate tokenlock 0.3.7 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tokenlock 0.3.7 on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/source/rust-toolchain
[INFO] started tweaking crates.io crate tokenlock 0.3.7
[INFO] finished tweaking crates.io crate tokenlock 0.3.7
[INFO] tweaked toml for crates.io crate tokenlock 0.3.7 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 305a9fdf46053e233da1e4abf045eaa3db58eafbe0ff44a2f50bdb1b9f0963c4
[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" "305a9fdf46053e233da1e4abf045eaa3db58eafbe0ff44a2f50bdb1b9f0963c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "305a9fdf46053e233da1e4abf045eaa3db58eafbe0ff44a2f50bdb1b9f0963c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "305a9fdf46053e233da1e4abf045eaa3db58eafbe0ff44a2f50bdb1b9f0963c4", kill_on_drop: false }`
[INFO] [stdout] 305a9fdf46053e233da1e4abf045eaa3db58eafbe0ff44a2f50bdb1b9f0963c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28e5446c4edc28067273cb547d560222e61552eb9cacc0a3b27dd936fba3bfef
[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" "28e5446c4edc28067273cb547d560222e61552eb9cacc0a3b27dd936fba3bfef", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]  Documenting tokenlock v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `with_branded_token_async`
[INFO] [stdout]    --> src/lib.rs:220:44
[INFO] [stdout]     |
[INFO] [stdout] 220 | //! created by [`with_branded_token`] or [`with_branded_token_async`], which
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^^^ no item named `with_branded_token_async` in scope
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: macro_rules fallback is used during doc link resolution
[INFO] [stdout]   --> src/singleton_factory.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 | /// Use [`impl_singleton_token_factory!`] to implement this trait.
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(rustdoc::macro_rules_fallback)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `tokenlock`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tokenlock src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="spin"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b97742d28a9fabc3 -L dependency=/opt/rustwide/target/debug/deps --extern spin=/opt/rustwide/target/debug/deps/libspin-a57c0b13f1577ce5.rmeta --cap-lints=forbid --crate-version 0.3.7` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "28e5446c4edc28067273cb547d560222e61552eb9cacc0a3b27dd936fba3bfef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e5446c4edc28067273cb547d560222e61552eb9cacc0a3b27dd936fba3bfef", kill_on_drop: false }`
[INFO] [stdout] 28e5446c4edc28067273cb547d560222e61552eb9cacc0a3b27dd936fba3bfef