[INFO] fetching crate component_group 2.0.0...
[INFO] documenting component_group-2.0.0 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate component_group 2.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate component_group 2.0.0 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate component_group 2.0.0
[INFO] finished tweaking crates.io crate component_group 2.0.0
[INFO] tweaked toml for crates.io crate component_group 2.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5236cc8fd95308c06ad3c27ba4db276aa529bf1c0151d0546dd7b8962afe2b84
[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" "5236cc8fd95308c06ad3c27ba4db276aa529bf1c0151d0546dd7b8962afe2b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5236cc8fd95308c06ad3c27ba4db276aa529bf1c0151d0546dd7b8962afe2b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5236cc8fd95308c06ad3c27ba4db276aa529bf1c0151d0546dd7b8962afe2b84", kill_on_drop: false }`
[INFO] [stdout] 5236cc8fd95308c06ad3c27ba4db276aa529bf1c0151d0546dd7b8962afe2b84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c87ec2e945873fcdb4a34ef1d2f115a35e7fb0f918f77cdf9a3cd5b1e0ced9c
[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" "6c87ec2e945873fcdb4a34ef1d2f115a35e7fb0f918f77cdf9a3cd5b1e0ced9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking atom v0.3.6
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking hibitset v0.6.3
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]     Checking const-random v0.1.11
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking shred v0.9.4
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling component_group_derive v2.0.0
[INFO] [stderr]     Checking specs v0.15.1
[INFO] [stderr]  Documenting component_group v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.01s
[INFO] running `Command { std: "docker" "inspect" "6c87ec2e945873fcdb4a34ef1d2f115a35e7fb0f918f77cdf9a3cd5b1e0ced9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c87ec2e945873fcdb4a34ef1d2f115a35e7fb0f918f77cdf9a3cd5b1e0ced9c", kill_on_drop: false }`
[INFO] [stdout] 6c87ec2e945873fcdb4a34ef1d2f115a35e7fb0f918f77cdf9a3cd5b1e0ced9c
