[INFO] cloning repository https://github.com/comit-network/ping-pong
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/comit-network/ping-pong" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomit-network%2Fping-pong", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomit-network%2Fping-pong'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a5eee7853417044a070eea750eb672e7d403466
[INFO] documenting comit-network/ping-pong against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomit-network%2Fping-pong" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/comit-network/ping-pong 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 git repo https://github.com/comit-network/ping-pong
[INFO] finished tweaking git repo https://github.com/comit-network/ping-pong
[INFO] tweaked toml for git repo https://github.com/comit-network/ping-pong written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/comit-network/ping-pong already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded asn1_der_derive v0.1.2
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]   Downloaded libp2p-dns v0.19.0
[INFO] [stderr]   Downloaded libp2p-ping v0.19.3
[INFO] [stderr]   Downloaded send_wrapper v0.2.0
[INFO] [stderr]   Downloaded blake2s_simd v0.5.10
[INFO] [stderr]   Downloaded libp2p-tcp v0.19.2
[INFO] [stderr]   Downloaded clear_on_drop v0.2.4
[INFO] [stderr]   Downloaded multistream-select v0.8.2
[INFO] [stderr]   Downloaded libp2p-secio v0.19.2
[INFO] [stderr]   Downloaded twofish v0.2.0
[INFO] [stderr]   Downloaded rw-stream-sink v0.2.1
[INFO] [stderr]   Downloaded multimap v0.8.1
[INFO] [stderr]   Downloaded libsecp256k1 v0.3.5
[INFO] [stderr]   Downloaded libp2p-core v0.19.2
[INFO] [stderr]   Downloaded asn1_der v0.6.3
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded libp2p-yamux v0.19.1
[INFO] [stderr]   Downloaded libp2p-core-derive v0.19.1
[INFO] [stderr]   Downloaded libp2p-swarm v0.19.1
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.0
[INFO] [stderr]   Downloaded multihash v0.11.2
[INFO] [stderr]   Downloaded parity-multiaddr v0.9.1
[INFO] [stderr]   Downloaded yamux v0.4.7
[INFO] [stderr]   Downloaded nohash-hasher v0.2.0
[INFO] [stderr]   Downloaded bs58 v0.3.1
[INFO] [stderr]   Downloaded unsigned-varint v0.3.3
[INFO] [stderr]   Downloaded unsigned-varint v0.4.0
[INFO] [stderr]   Downloaded wasm-timer v0.2.4
[INFO] [stderr]   Downloaded quicksink v0.1.2
[INFO] [stderr]   Downloaded parity-send-wrapper v0.1.0
[INFO] [stderr]   Downloaded tokio-socks v0.2.2
[INFO] [stderr]   Downloaded hmac-drbg v0.2.0
[INFO] [stderr]   Downloaded libp2p v0.20.1
[INFO] [stderr]   Downloaded libp2p-mplex v0.19.2
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 81bbfe41d1be599fa81a3bc575cc2c238359fc77bd507541ea918c194b6c44ca
[INFO] running `Command { std: "docker" "start" "-a" "81bbfe41d1be599fa81a3bc575cc2c238359fc77bd507541ea918c194b6c44ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81bbfe41d1be599fa81a3bc575cc2c238359fc77bd507541ea918c194b6c44ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81bbfe41d1be599fa81a3bc575cc2c238359fc77bd507541ea918c194b6c44ca", kill_on_drop: false }`
[INFO] [stdout] 81bbfe41d1be599fa81a3bc575cc2c238359fc77bd507541ea918c194b6c44ca
[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" "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] 39c430f1c3a3b156849a1e8db9f4892e02724fa57cec06747a6519ef891e27b5
[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" "39c430f1c3a3b156849a1e8db9f4892e02724fa57cec06747a6519ef891e27b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling libp2p-core-derive v0.19.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.0
[INFO] [stderr]     Checking multihash v0.11.2
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking yamux v0.4.7
[INFO] [stderr]     Checking tokio-socks v0.2.2
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking parity-multiaddr v0.9.1
[INFO] [stderr]     Checking multistream-select v0.8.2
[INFO] [stderr]    Compiling libp2p-core v0.19.2
[INFO] [stderr]    Compiling libp2p-secio v0.19.2
[INFO] [stderr]     Checking libp2p-swarm v0.19.1
[INFO] [stderr]     Checking libp2p-yamux v0.19.1
[INFO] [stderr]     Checking libp2p-mplex v0.19.2
[INFO] [stderr]     Checking libp2p-dns v0.19.0
[INFO] [stderr]     Checking libp2p-tcp v0.19.2
[INFO] [stderr]     Checking libp2p-ping v0.19.3
[INFO] [stderr]     Checking libp2p v0.20.1
[INFO] [stderr]  Documenting ping-pong v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.05s
[INFO] running `Command { std: "docker" "inspect" "39c430f1c3a3b156849a1e8db9f4892e02724fa57cec06747a6519ef891e27b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c430f1c3a3b156849a1e8db9f4892e02724fa57cec06747a6519ef891e27b5", kill_on_drop: false }`
[INFO] [stdout] 39c430f1c3a3b156849a1e8db9f4892e02724fa57cec06747a6519ef891e27b5