[INFO] fetching crate buf_redux 0.8.4...
[INFO] documenting buf_redux-0.8.4 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate buf_redux 0.8.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate buf_redux 0.8.4 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 buf_redux 0.8.4
[INFO] finished tweaking crates.io crate buf_redux 0.8.4
[INFO] tweaked toml for crates.io crate buf_redux 0.8.4 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] 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] 1f0ad35f7cc377c943a692aadaca4fdd38763f7a7cd63632e8471090347daeaa
[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" "1f0ad35f7cc377c943a692aadaca4fdd38763f7a7cd63632e8471090347daeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f0ad35f7cc377c943a692aadaca4fdd38763f7a7cd63632e8471090347daeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f0ad35f7cc377c943a692aadaca4fdd38763f7a7cd63632e8471090347daeaa", kill_on_drop: false }`
[INFO] [stdout] 1f0ad35f7cc377c943a692aadaca4fdd38763f7a7cd63632e8471090347daeaa
[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] 26cfa9ef49548165e6fd3fa4c7f765ce5c3c981ae04c9e5b298672bd73ddbf3c
[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" "26cfa9ef49548165e6fd3fa4c7f765ce5c3c981ae04c9e5b298672bd73ddbf3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]  Documenting buf_redux v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "26cfa9ef49548165e6fd3fa4c7f765ce5c3c981ae04c9e5b298672bd73ddbf3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26cfa9ef49548165e6fd3fa4c7f765ce5c3c981ae04c9e5b298672bd73ddbf3c", kill_on_drop: false }`
[INFO] [stdout] 26cfa9ef49548165e6fd3fa4c7f765ce5c3c981ae04c9e5b298672bd73ddbf3c