[INFO] fetching crate varlink_generator 9.0.0...
[INFO] documenting varlink_generator-9.0.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate varlink_generator 9.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate varlink_generator 9.0.0 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 varlink_generator 9.0.0
[INFO] finished tweaking crates.io crate varlink_generator 9.0.0
[INFO] tweaked toml for crates.io crate varlink_generator 9.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate varlink_generator 9.0.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded varlink_parser v4.0.2
[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" "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] 881b4cc5cb36901580dca2f4ecef510089e474574e2d242cb31aaaaed10e01c9
[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" "881b4cc5cb36901580dca2f4ecef510089e474574e2d242cb31aaaaed10e01c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "881b4cc5cb36901580dca2f4ecef510089e474574e2d242cb31aaaaed10e01c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881b4cc5cb36901580dca2f4ecef510089e474574e2d242cb31aaaaed10e01c9", kill_on_drop: false }`
[INFO] [stdout] 881b4cc5cb36901580dca2f4ecef510089e474574e2d242cb31aaaaed10e01c9
[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" "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] [stdout] 07c964b3b05983214a4faf3b72cf0b995c7a0f92ee018e3c1a88ae14dfe8d4fa
[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" "07c964b3b05983214a4faf3b72cf0b995c7a0f92ee018e3c1a88ae14dfe8d4fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling varlink_parser v4.0.2
[INFO] [stderr]     Checking chainerror v0.4.3
[INFO] [stderr]     Checking proc-macro2 v1.0.6
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking varlink_generator v9.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting varlink_generator v9.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown attribute `norun`. Did you mean `no_run`?
[INFO] [stdout]   --> src/bin/varlink-rust-generator.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / //! varlink-rust-generator is a CLI, that generates rust code from a varlink
[INFO] [stdout] 2  | | //! interface definition file
[INFO] [stdout] 3  | | //!
[INFO] [stdout] 4  | | //! # Usage
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | | //!
[INFO] [stdout] 12 | | //! Output is sent to stdout.
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_codeblock_attributes)]` on by default
[INFO] [stdout]    = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `Command { std: "docker" "inspect" "07c964b3b05983214a4faf3b72cf0b995c7a0f92ee018e3c1a88ae14dfe8d4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c964b3b05983214a4faf3b72cf0b995c7a0f92ee018e3c1a88ae14dfe8d4fa", kill_on_drop: false }`
[INFO] [stdout] 07c964b3b05983214a4faf3b72cf0b995c7a0f92ee018e3c1a88ae14dfe8d4fa