[INFO] cloning repository https://github.com/jkcomment/rust-libp2p-chat-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jkcomment/rust-libp2p-chat-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcomment%2Frust-libp2p-chat-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcomment%2Frust-libp2p-chat-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13c611665d91ba43b52715d154a6802f836fef59
[INFO] checking jkcomment/rust-libp2p-chat-sample against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcomment%2Frust-libp2p-chat-sample" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkcomment/rust-libp2p-chat-sample on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jkcomment/rust-libp2p-chat-sample
[INFO] finished tweaking git repo https://github.com/jkcomment/rust-libp2p-chat-sample
[INFO] tweaked toml for git repo https://github.com/jkcomment/rust-libp2p-chat-sample written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/jkcomment/rust-libp2p-chat-sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stream-cipher v0.3.0
[INFO] [stderr]   Downloaded tk-listen v0.2.1
[INFO] [stderr]   Downloaded zeroize v0.5.2
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.42
[INFO] [stderr]   Downloaded x25519-dalek v0.5.2
[INFO] [stderr]   Downloaded secp256k1 v0.12.2
[INFO] [stderr]   Downloaded bigint v4.4.1
[INFO] [stderr]   Downloaded nohash-hasher v0.1.1
[INFO] [stderr]   Downloaded ctr v0.3.2
[INFO] [stderr]   Downloaded clear_on_drop v0.2.3
[INFO] [stderr]   Downloaded cuckoofilter v0.3.2
[INFO] [stderr]   Downloaded asn1_der_derive v0.1.1
[INFO] [stderr]   Downloaded static_slice v0.0.3
[INFO] [stderr]   Downloaded aio-limited v0.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.42
[INFO] [stderr]   Downloaded aes-ctr v0.3.0
[INFO] [stderr]   Downloaded cc v1.0.26
[INFO] [stderr]   Downloaded subtle v2.0.0
[INFO] [stderr]   Downloaded websocket v0.22.3
[INFO] [stderr]   Downloaded stdweb v0.4.16
[INFO] [stderr]   Downloaded unsigned-varint v0.2.2
[INFO] [stderr]   Downloaded protobuf v2.5.0
[INFO] [stderr]   Downloaded bumpalo v2.3.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.42
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.42
[INFO] [stderr]   Downloaded bs58 v0.2.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.42
[INFO] [stderr]   Downloaded blake2 v0.8.0
[INFO] [stderr]   Downloaded tiny-keccak v1.4.2
[INFO] [stderr]   Downloaded curve25519-dalek v1.1.3
[INFO] [stderr]   Downloaded ring v0.14.6
[INFO] [stderr]   Downloaded libp2p-mplex v0.6.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.2.0
[INFO] [stderr]   Downloaded quick-error v0.1.4
[INFO] [stderr]   Downloaded libp2p-mdns v0.6.0
[INFO] [stderr]   Downloaded tokio-dns-unofficial v0.4.0
[INFO] [stderr]   Downloaded libp2p-kad v0.6.0
[INFO] [stderr]   Downloaded tokio-stdin-stdout v0.1.5
[INFO] [stderr]   Downloaded libp2p-websocket v0.6.0
[INFO] [stderr]   Downloaded libp2p-ping v0.6.0
[INFO] [stderr]   Downloaded libp2p-dns v0.6.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.6.0
[INFO] [stderr]   Downloaded libp2p-identify v0.6.0
[INFO] [stderr]   Downloaded parity-multihash v0.1.0
[INFO] [stderr]   Downloaded libp2p-uds v0.6.0
[INFO] [stderr]   Downloaded multistream-select v0.4.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.6.0
[INFO] [stderr]   Downloaded snow v0.5.2
[INFO] [stderr]   Downloaded libp2p-ratelimit v0.6.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.6.0
[INFO] [stderr]   Downloaded libp2p-noise v0.4.0
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.1
[INFO] [stderr]   Downloaded rw-stream-sink v0.1.1
[INFO] [stderr]   Downloaded libp2p-yamux v0.6.0
[INFO] [stderr]   Downloaded libp2p-secio v0.6.0
[INFO] [stderr]   Downloaded yamux v0.1.9
[INFO] [stderr]   Downloaded libp2p v0.6.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.6.0
[INFO] [stderr]   Downloaded libp2p-core v0.6.0
[INFO] [stderr]   Downloaded asn1_der v0.6.1
[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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 267c22a391cf4c0c6dfa3d94ed5020ec927c19a33adc0c9592a69ca173508157
[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" "267c22a391cf4c0c6dfa3d94ed5020ec927c19a33adc0c9592a69ca173508157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "267c22a391cf4c0c6dfa3d94ed5020ec927c19a33adc0c9592a69ca173508157", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267c22a391cf4c0c6dfa3d94ed5020ec927c19a33adc0c9592a69ca173508157", kill_on_drop: false }`
[INFO] [stdout] 267c22a391cf4c0c6dfa3d94ed5020ec927c19a33adc0c9592a69ca173508157
[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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c375b8b7ab994ec0902c5d4aaf21491e36052e446bf7db36a4f76d6d0f4391db
[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" "c375b8b7ab994ec0902c5d4aaf21491e36052e446bf7db36a4f76d6d0f4391db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling protobuf v2.5.0
[INFO] [stderr]     Checking bs58 v0.2.2
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking zeroize v0.5.2
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]     Checking tokio-sync v0.1.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling snow v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
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[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking bigint v4.4.1
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling secp256k1 v0.12.2
[INFO] [stderr]    Compiling openssl-sys v0.9.43
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]    Compiling curve25519-dalek v1.1.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking rw-stream-sink v0.1.1
[INFO] [stderr]     Checking aio-limited v0.1.0
[INFO] [stderr]     Checking tokio-stdin-stdout v0.1.5
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking unsigned-varint v0.2.2
[INFO] [stderr]     Checking yamux v0.1.9
[INFO] [stderr]     Checking backtrace v0.3.15
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking parity-multihash v0.1.0
[INFO] [stderr]     Checking multistream-select v0.4.0
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.18
[INFO] [stderr]     Checking tk-listen v0.2.1
[INFO] [stderr]     Checking tokio-dns-unofficial v0.4.0
[INFO] [stderr]     Checking x25519-dalek v0.5.2
[INFO] [stderr]     Checking parity-multiaddr v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking websocket v0.22.3
[INFO] [stderr]    Compiling asn1_der_derive v0.1.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.6.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking asn1_der v0.6.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.1
[INFO] [stderr]     Checking libp2p-core v0.6.0
[INFO] [stderr]     Checking libp2p-ping v0.6.0
[INFO] [stderr]     Checking libp2p-identify v0.6.0
[INFO] [stderr]     Checking libp2p-websocket v0.6.0
[INFO] [stderr]     Checking libp2p-secio v0.6.0
[INFO] [stderr]     Checking libp2p-noise v0.4.0
[INFO] [stderr]     Checking libp2p-yamux v0.6.0
[INFO] [stderr]     Checking libp2p-mplex v0.6.0
[INFO] [stderr]     Checking libp2p-mdns v0.6.0
[INFO] [stderr]     Checking libp2p-plaintext v0.6.0
[INFO] [stderr]     Checking libp2p-uds v0.6.0
[INFO] [stderr]     Checking libp2p-dns v0.6.0
[INFO] [stderr]     Checking libp2p-floodsub v0.6.0
[INFO] [stderr]     Checking libp2p-tcp v0.6.0
[INFO] [stderr]     Checking libp2p-ratelimit v0.6.0
[INFO] [stderr]     Checking libp2p-kad v0.6.0
[INFO] [stderr]     Checking libp2p v0.6.0
[INFO] [stderr]     Checking libp2p-chat-sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "c375b8b7ab994ec0902c5d4aaf21491e36052e446bf7db36a4f76d6d0f4391db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c375b8b7ab994ec0902c5d4aaf21491e36052e446bf7db36a4f76d6d0f4391db", kill_on_drop: false }`
[INFO] [stdout] c375b8b7ab994ec0902c5d4aaf21491e36052e446bf7db36a4f76d6d0f4391db