[INFO] fetching crate bincode-grpc-macro 0.6.0...
[INFO] documenting bincode-grpc-macro-0.6.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate bincode-grpc-macro 0.6.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bincode-grpc-macro 0.6.0 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 bincode-grpc-macro 0.6.0
[INFO] finished tweaking crates.io crate bincode-grpc-macro 0.6.0
[INFO] tweaked toml for crates.io crate bincode-grpc-macro 0.6.0 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] 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 async-net v1.0.0
[INFO] [stderr]   Downloaded async-io v0.2.6
[INFO] [stderr]   Downloaded async-rwlock v1.1.0
[INFO] [stderr]   Downloaded async-semaphore v1.0.0
[INFO] [stderr]   Downloaded async-executor v0.2.1
[INFO] [stderr]   Downloaded async-process v0.1.3
[INFO] [stderr]   Downloaded blocking v0.6.1
[INFO] [stderr]   Downloaded smol v0.4.3
[INFO] [stderr]   Downloaded async-barrier v1.0.1
[INFO] [stderr]   Downloaded async-fs v1.1.1
[INFO] [stderr]   Downloaded async-lock v2.1.1
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a817fa75d9fa3912aab3517dfff53983f0ea62c122fc41487141f3ef0cf3e6a5
[INFO] running `Command { std: "docker" "start" "-a" "a817fa75d9fa3912aab3517dfff53983f0ea62c122fc41487141f3ef0cf3e6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a817fa75d9fa3912aab3517dfff53983f0ea62c122fc41487141f3ef0cf3e6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a817fa75d9fa3912aab3517dfff53983f0ea62c122fc41487141f3ef0cf3e6a5", kill_on_drop: false }`
[INFO] [stdout] a817fa75d9fa3912aab3517dfff53983f0ea62c122fc41487141f3ef0cf3e6a5
[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] 91430450ef606468eecb8804b1784345a7d8f1682476992cf12c0668c968b41d
[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" "91430450ef606468eecb8804b1784345a7d8f1682476992cf12c0668c968b41d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]     Checking async-mutex v1.2.0
[INFO] [stderr]     Checking async-semaphore v1.0.0
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking polling v0.1.7
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking async-barrier v1.0.1
[INFO] [stderr]     Checking async-rwlock v1.1.0
[INFO] [stderr]     Checking async-lock v2.1.1
[INFO] [stderr]     Checking futures-lite v1.0.0
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking async-io v0.2.6
[INFO] [stderr]     Checking blocking v0.6.1
[INFO] [stderr]     Checking async-executor v0.2.1
[INFO] [stderr]     Checking syn v1.0.39
[INFO] [stderr]     Checking async-fs v1.1.1
[INFO] [stderr]     Checking proc-macro-crate v0.1.5
[INFO] [stderr]     Checking async-process v0.1.3
[INFO] [stderr]     Checking async-net v1.0.0
[INFO] [stderr]     Checking smol v0.4.3
[INFO] [stderr]  Documenting bincode-grpc-macro v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.77s
[INFO] running `Command { std: "docker" "inspect" "91430450ef606468eecb8804b1784345a7d8f1682476992cf12c0668c968b41d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91430450ef606468eecb8804b1784345a7d8f1682476992cf12c0668c968b41d", kill_on_drop: false }`
[INFO] [stdout] 91430450ef606468eecb8804b1784345a7d8f1682476992cf12c0668c968b41d