[INFO] fetching crate floodsub 0.27.0...
[INFO] documenting floodsub-0.27.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate floodsub 0.27.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate floodsub 0.27.0 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 floodsub 0.27.0
[INFO] finished tweaking crates.io crate floodsub 0.27.0
[INFO] tweaked toml for crates.io crate floodsub 0.27.0 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] 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]  Downloading crates ...
[INFO] [stderr]   Downloaded tet-multistream-select v0.10.0
[INFO] [stderr]   Downloaded tet-libp2p-swarm v0.27.0
[INFO] [stderr]   Downloaded tet-multiaddr v0.11.0
[INFO] [stderr]   Downloaded tet-libp2p-core v0.27.0
[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] 25b1d249ac4bc74828af7d0500bb552f561ec5f6baf579d0f6b2f4bc48fcfc2b
[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" "25b1d249ac4bc74828af7d0500bb552f561ec5f6baf579d0f6b2f4bc48fcfc2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25b1d249ac4bc74828af7d0500bb552f561ec5f6baf579d0f6b2f4bc48fcfc2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b1d249ac4bc74828af7d0500bb552f561ec5f6baf579d0f6b2f4bc48fcfc2b", kill_on_drop: false }`
[INFO] [stdout] 25b1d249ac4bc74828af7d0500bb552f561ec5f6baf579d0f6b2f4bc48fcfc2b
[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] 5393151be05ff74e3c5347694b1908b86f438fbcdf2b3a89ce029172d52baee5
[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" "5393151be05ff74e3c5347694b1908b86f438fbcdf2b3a89ce029172d52baee5", kill_on_drop: false }`
[INFO] [stderr]     Checking unsigned-varint v0.6.0
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking cuckoofilter v0.5.0
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking tet-multiaddr v0.11.0
[INFO] [stderr]    Compiling tet-libp2p-core v0.27.0
[INFO] [stderr]    Compiling floodsub v0.27.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tet-multistream-select v0.10.0
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking tet-libp2p-swarm v0.27.0
[INFO] [stderr]  Documenting floodsub v0.27.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.14s
[INFO] running `Command { std: "docker" "inspect" "5393151be05ff74e3c5347694b1908b86f438fbcdf2b3a89ce029172d52baee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5393151be05ff74e3c5347694b1908b86f438fbcdf2b3a89ce029172d52baee5", kill_on_drop: false }`
[INFO] [stdout] 5393151be05ff74e3c5347694b1908b86f438fbcdf2b3a89ce029172d52baee5
