[INFO] crate libp2p-ping 0.15.0 is already in cache
[INFO] checking libp2p-ping-0.15.0 against master#212aa3ea28d91a97d1e1261709c0b6e6790788e6 for pr-69340
[INFO] extracting crate libp2p-ping 0.15.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libp2p-ping 0.15.0 on toolchain 212aa3ea28d91a97d1e1261709c0b6e6790788e6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libp2p-ping 0.15.0
[INFO] finished tweaking crates.io crate libp2p-ping 0.15.0
[INFO] tweaked toml for crates.io crate libp2p-ping 0.15.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83145c58a5737ba28c393e09cb1f42077b0a3309ca0403e709270afce2ff8f6c
[INFO] running `"docker" "start" "-a" "83145c58a5737ba28c393e09cb1f42077b0a3309ca0403e709270afce2ff8f6c"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unsigned-varint v0.3.1
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking ipnet v2.2.0
[INFO] [stderr]     Checking quicksink v0.1.1
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking parity-multihash v0.2.3
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking parity-multiaddr v0.7.2
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking multistream-select v0.7.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]    Compiling libp2p-core v0.15.0
[INFO] [stderr]    Compiling libp2p-secio v0.15.0
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.4
[INFO] [stderr]     Checking yamux v0.4.3
[INFO] [stderr]     Checking libp2p-swarm v0.5.0
[INFO] [stderr]     Checking libp2p-tcp v0.15.0
[INFO] [stderr]     Checking libp2p-yamux v0.15.0
[INFO] [stderr]     Checking libp2p-ping v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.81s
[INFO] running `"docker" "inspect" "83145c58a5737ba28c393e09cb1f42077b0a3309ca0403e709270afce2ff8f6c"`
[INFO] running `"docker" "rm" "-f" "83145c58a5737ba28c393e09cb1f42077b0a3309ca0403e709270afce2ff8f6c"`
[INFO] [stdout] 83145c58a5737ba28c393e09cb1f42077b0a3309ca0403e709270afce2ff8f6c