[INFO] fetching crate async_zmq 0.3.2...
[INFO] documenting async_zmq-0.3.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate async_zmq 0.3.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async_zmq 0.3.2 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async_zmq 0.3.2
[INFO] finished tweaking crates.io crate async_zmq 0.3.2
[INFO] tweaked toml for crates.io crate async_zmq 0.3.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate async_zmq 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59a5c0b6081f34f69b9d017a32a9960b15c7867126aa8d3c62a3b34724aa8841
[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" "59a5c0b6081f34f69b9d017a32a9960b15c7867126aa8d3c62a3b34724aa8841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59a5c0b6081f34f69b9d017a32a9960b15c7867126aa8d3c62a3b34724aa8841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a5c0b6081f34f69b9d017a32a9960b15c7867126aa8d3c62a3b34724aa8841", kill_on_drop: false }`
[INFO] [stdout] 59a5c0b6081f34f69b9d017a32a9960b15c7867126aa8d3c62a3b34724aa8841
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "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] 55ad5a5c0c5c66af03203d2aea92396c93e955e31ca5259304cbd45e5d15688f
[INFO] running `Command { std: "docker" "start" "-a" "55ad5a5c0c5c66af03203d2aea92396c93e955e31ca5259304cbd45e5d15688f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.14
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]  Documenting async_zmq v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/dealer.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |   //! ```no_run
[INFO] [stdout]    |  _____^
[INFO] [stdout] 12 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/router.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |   //! ```no_run
[INFO] [stdout]    |  _____^
[INFO] [stdout] 12 | | //! ```
[INFO] [stdout]    | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.87s
[INFO] running `Command { std: "docker" "inspect" "55ad5a5c0c5c66af03203d2aea92396c93e955e31ca5259304cbd45e5d15688f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ad5a5c0c5c66af03203d2aea92396c93e955e31ca5259304cbd45e5d15688f", kill_on_drop: false }`
[INFO] [stdout] 55ad5a5c0c5c66af03203d2aea92396c93e955e31ca5259304cbd45e5d15688f