[INFO] fetching crate async-ringbuffer 0.5.5...
[INFO] documenting async-ringbuffer-0.5.5 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate async-ringbuffer 0.5.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate async-ringbuffer 0.5.5 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-ringbuffer 0.5.5
[INFO] finished tweaking crates.io crate async-ringbuffer 0.5.5
[INFO] tweaked toml for crates.io crate async-ringbuffer 0.5.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66d2a99e039eafb06f9f43e180445f8c1f0d61b885c408de1b458bdb66ac1f2b
[INFO] running `Command { std: "docker" "start" "-a" "66d2a99e039eafb06f9f43e180445f8c1f0d61b885c408de1b458bdb66ac1f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66d2a99e039eafb06f9f43e180445f8c1f0d61b885c408de1b458bdb66ac1f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d2a99e039eafb06f9f43e180445f8c1f0d61b885c408de1b458bdb66ac1f2b", kill_on_drop: false }`
[INFO] [stdout] 66d2a99e039eafb06f9f43e180445f8c1f0d61b885c408de1b458bdb66ac1f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c2abb83d42092e23a7c83530c4ed271c8ec18c9a02f35fb0c45a1898b7a7177
[INFO] running `Command { std: "docker" "start" "-a" "8c2abb83d42092e23a7c83530c4ed271c8ec18c9a02f35fb0c45a1898b7a7177", kill_on_drop: false }`
[INFO] [stderr]  Documenting async-ringbuffer v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "8c2abb83d42092e23a7c83530c4ed271c8ec18c9a02f35fb0c45a1898b7a7177", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2abb83d42092e23a7c83530c4ed271c8ec18c9a02f35fb0c45a1898b7a7177", kill_on_drop: false }`
[INFO] [stdout] 8c2abb83d42092e23a7c83530c4ed271c8ec18c9a02f35fb0c45a1898b7a7177
