[INFO] fetching crate zeromq 0.1.0-pre...
[INFO] documenting zeromq-0.1.0-pre against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate zeromq 0.1.0-pre into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate zeromq 0.1.0-pre on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zeromq 0.1.0-pre
[INFO] finished tweaking crates.io crate zeromq 0.1.0-pre
[INFO] tweaked toml for crates.io crate zeromq 0.1.0-pre written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 914d6ef3296bef6550706b5b4ba0940de9eb4cce433756f8989f55fb025d9c20
[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" "914d6ef3296bef6550706b5b4ba0940de9eb4cce433756f8989f55fb025d9c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "914d6ef3296bef6550706b5b4ba0940de9eb4cce433756f8989f55fb025d9c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "914d6ef3296bef6550706b5b4ba0940de9eb4cce433756f8989f55fb025d9c20", kill_on_drop: false }`
[INFO] [stdout] 914d6ef3296bef6550706b5b4ba0940de9eb4cce433756f8989f55fb025d9c20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69e9de38b048597a818647cff141435813b278559787e8d8f9bd2640179851f4
[INFO] running `Command { std: "docker" "start" "-a" "69e9de38b048597a818647cff141435813b278559787e8d8f9bd2640179851f4", kill_on_drop: false }`
[INFO] [stderr]  Documenting zeromq v0.1.0-pre (/opt/rustwide/workdir)
[INFO] [stdout] error: expected type, found `|`
[INFO] [stdout]    --> src/socket_base.rs:184:36
[INFO] [stdout]     |
[INFO] [stdout] 184 |     fn sync_until(&mut self, cond: |&SocketBase| -> bool) {
[INFO] [stdout]     |                                    ^ expected type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `log`
[INFO] [stdout]   --> src/lib.rs:35:24
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[phase(plugin, link)] extern crate log;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `zeromq`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name zeromq src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "69e9de38b048597a818647cff141435813b278559787e8d8f9bd2640179851f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e9de38b048597a818647cff141435813b278559787e8d8f9bd2640179851f4", kill_on_drop: false }`
[INFO] [stdout] 69e9de38b048597a818647cff141435813b278559787e8d8f9bd2640179851f4