[INFO] fetching crate libp2prs-dns 0.3.0...
[INFO] documenting libp2prs-dns-0.3.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate libp2prs-dns 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate libp2prs-dns 0.3.0 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 libp2prs-dns 0.3.0
[INFO] finished tweaking crates.io crate libp2prs-dns 0.3.0
[INFO] tweaked toml for crates.io crate libp2prs-dns 0.3.0 written to /workspace/builds/worker-4/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] 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" "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] 368e117fae87417fb37152780769816cf03c1d9e2729ec42eaf44226bf21dde1
[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" "368e117fae87417fb37152780769816cf03c1d9e2729ec42eaf44226bf21dde1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "368e117fae87417fb37152780769816cf03c1d9e2729ec42eaf44226bf21dde1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368e117fae87417fb37152780769816cf03c1d9e2729ec42eaf44226bf21dde1", kill_on_drop: false }`
[INFO] [stdout] 368e117fae87417fb37152780769816cf03c1d9e2729ec42eaf44226bf21dde1
[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" "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] c3c6cbf43847840268cf5ec564a132e6789a88d90addbff464a2b9f240685dcb
[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" "c3c6cbf43847840268cf5ec564a132e6789a88d90addbff464a2b9f240685dcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking libp2p-pnet v0.20.0
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling libp2prs-core v0.3.0
[INFO] [stderr]     Checking libp2prs-runtime v0.3.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling multihash-derive v0.7.2
[INFO] [stderr]     Checking multihash v0.13.2
[INFO] [stderr]     Checking libp2prs-multiaddr v0.3.0
[INFO] [stderr]  Documenting libp2prs-dns v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "c3c6cbf43847840268cf5ec564a132e6789a88d90addbff464a2b9f240685dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c6cbf43847840268cf5ec564a132e6789a88d90addbff464a2b9f240685dcb", kill_on_drop: false }`
[INFO] [stdout] c3c6cbf43847840268cf5ec564a132e6789a88d90addbff464a2b9f240685dcb
