[INFO] fetching crate varlink_derive 8.0.0...
[INFO] documenting varlink_derive-8.0.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate varlink_derive 8.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate varlink_derive 8.0.0 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_derive 8.0.0
[INFO] finished tweaking crates.io crate varlink_derive 8.0.0
[INFO] tweaked toml for crates.io crate varlink_derive 8.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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_generator v8.0.0
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ddd0ca6387365835dd940eb6846917d9cbff8494cb8f09a4aff0e9006eb6f06
[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" "2ddd0ca6387365835dd940eb6846917d9cbff8494cb8f09a4aff0e9006eb6f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ddd0ca6387365835dd940eb6846917d9cbff8494cb8f09a4aff0e9006eb6f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ddd0ca6387365835dd940eb6846917d9cbff8494cb8f09a4aff0e9006eb6f06", kill_on_drop: false }`
[INFO] [stdout] 2ddd0ca6387365835dd940eb6846917d9cbff8494cb8f09a4aff0e9006eb6f06
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32200482f5197c2ced26fbee62889ef293e32426d799d2fae0ca2775e975a9bc
[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" "32200482f5197c2ced26fbee62889ef293e32426d799d2fae0ca2775e975a9bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling varlink_parser v4.0.4
[INFO] [stderr]     Checking chainerror v0.4.3
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking varlink_generator v8.0.0
[INFO] [stderr]  Documenting varlink_derive v8.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "32200482f5197c2ced26fbee62889ef293e32426d799d2fae0ca2775e975a9bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32200482f5197c2ced26fbee62889ef293e32426d799d2fae0ca2775e975a9bc", kill_on_drop: false }`
[INFO] [stdout] 32200482f5197c2ced26fbee62889ef293e32426d799d2fae0ca2775e975a9bc