[INFO] fetching crate libp2p-yamux 0.27.0...
[INFO] checking libp2p-yamux-0.27.0 against beta for pr-78714
[INFO] extracting crate libp2p-yamux 0.27.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libp2p-yamux 0.27.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libp2p-yamux 0.27.0
[INFO] finished tweaking crates.io crate libp2p-yamux 0.27.0
[INFO] tweaked toml for crates.io crate libp2p-yamux 0.27.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67918ac2c951f7313a99777a9cbc326259bf1378bbc0f0b35d9d6aa5b188eb55
[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" "67918ac2c951f7313a99777a9cbc326259bf1378bbc0f0b35d9d6aa5b188eb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67918ac2c951f7313a99777a9cbc326259bf1378bbc0f0b35d9d6aa5b188eb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67918ac2c951f7313a99777a9cbc326259bf1378bbc0f0b35d9d6aa5b188eb55", kill_on_drop: false }`
[INFO] [stdout] 67918ac2c951f7313a99777a9cbc326259bf1378bbc0f0b35d9d6aa5b188eb55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 93f15503975e6de9283d93dbb983981159dad78d9229f793c2148b8f6c2bb345
[INFO] running `Command { std: "docker" "start" "-a" "93f15503975e6de9283d93dbb983981159dad78d9229f793c2148b8f6c2bb345", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking parity-multiaddr v0.9.4
[INFO] [stderr]    Compiling libp2p-core v0.24.0
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking multistream-select v0.8.5
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking yamux v0.8.0
[INFO] [stderr]     Checking libp2p-yamux v0.27.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.97s
[INFO] running `Command { std: "docker" "inspect" "93f15503975e6de9283d93dbb983981159dad78d9229f793c2148b8f6c2bb345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93f15503975e6de9283d93dbb983981159dad78d9229f793c2148b8f6c2bb345", kill_on_drop: false }`
[INFO] [stdout] 93f15503975e6de9283d93dbb983981159dad78d9229f793c2148b8f6c2bb345