[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#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkcomment%2Frust-libp2p-chat-sample" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jkcomment/rust-libp2p-chat-sample on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-9/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parity-multihash v0.1.0
[INFO] [stderr]   Downloaded rw-stream-sink v0.1.1
[INFO] [stderr]   Downloaded libp2p-floodsub v0.6.0
[INFO] [stderr]   Downloaded libp2p-dns v0.6.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.6.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.6.0
[INFO] [stderr]   Downloaded libp2p-identify v0.6.0
[INFO] [stderr]   Downloaded libp2p-kad v0.6.0
[INFO] [stderr]   Downloaded libp2p-secio v0.6.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.6.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.6.0
[INFO] [stderr]   Downloaded libp2p-ratelimit v0.6.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.6.0
[INFO] [stderr]   Downloaded libp2p-ping v0.6.0
[INFO] [stderr]   Downloaded libp2p-noise v0.4.0
[INFO] [stderr]   Downloaded parity-multiaddr v0.2.0
[INFO] [stderr]   Downloaded libp2p-websocket v0.6.0
[INFO] [stderr]   Downloaded yamux v0.1.9
[INFO] [stderr]   Downloaded libp2p-yamux v0.6.0
[INFO] [stderr]   Downloaded libp2p-uds v0.6.0
[INFO] [stderr]   Downloaded libp2p v0.6.0
[INFO] [stderr]   Downloaded libp2p-core v0.6.0
[INFO] [stderr]   Downloaded curve25519-dalek v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a45a013ea241db5389e7f162cbb7f004d191d6a35f4a5e16411b31ca09e14a14
[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" "a45a013ea241db5389e7f162cbb7f004d191d6a35f4a5e16411b31ca09e14a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a45a013ea241db5389e7f162cbb7f004d191d6a35f4a5e16411b31ca09e14a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45a013ea241db5389e7f162cbb7f004d191d6a35f4a5e16411b31ca09e14a14", kill_on_drop: false }`
[INFO] [stdout] a45a013ea241db5389e7f162cbb7f004d191d6a35f4a5e16411b31ca09e14a14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f49dac4d5c2f02c54348bb3721bd5f5934cafbe4c638ffa4258874b7053f94b
[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" "6f49dac4d5c2f02c54348bb3721bd5f5934cafbe4c638ffa4258874b7053f94b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling cc v1.0.26
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking sha1 v0.6.0
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[INFO] [stderr]     Checking zeroize v0.5.2
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[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling openssl v0.10.20
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking typeable v0.1.2
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[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]    Compiling regex v1.1.6
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[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking block-padding v0.1.3
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[INFO] [stderr]     Checking owning_ref v0.4.0
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[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tokio-timer v0.2.10
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking bigint v4.4.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling snow v0.5.2
[INFO] [stderr]     Checking aho-corasick v0.7.3
[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 url v1.7.2
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]     Checking cuckoofilter v0.3.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.0
[INFO] [stderr]     Checking hyper v0.10.15
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]    Compiling curve25519-dalek v1.1.3
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.13
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking aes-ctr v0.3.0
[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 parking_lot v0.7.1
[INFO] [stderr]     Checking unsigned-varint v0.2.2
[INFO] [stderr]     Checking yamux v0.1.9
[INFO] [stderr]     Checking parity-multihash v0.1.0
[INFO] [stderr]     Checking multistream-select v0.4.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[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 env_logger v0.6.1
[INFO] [stderr]     Checking x25519-dalek v0.5.2
[INFO] [stderr]     Checking tk-listen v0.2.1
[INFO] [stderr]     Checking tokio-dns-unofficial v0.4.0
[INFO] [stderr]     Checking parity-multiaddr v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking websocket v0.22.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling asn1_der_derive v0.1.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.6.0
[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-uds v0.6.0
[INFO] [stderr]     Checking libp2p-dns v0.6.0
[INFO] [stderr]     Checking libp2p-yamux v0.6.0
[INFO] [stderr]     Checking libp2p-ratelimit v0.6.0
[INFO] [stderr]     Checking libp2p-websocket v0.6.0
[INFO] [stderr]     Checking libp2p-tcp v0.6.0
[INFO] [stderr]     Checking libp2p-plaintext v0.6.0
[INFO] [stderr]     Checking libp2p-mplex v0.6.0
[INFO] [stderr]     Checking libp2p-floodsub v0.6.0
[INFO] [stderr]     Checking libp2p-noise v0.4.0
[INFO] [stderr]     Checking libp2p-secio v0.6.0
[INFO] [stderr]     Checking libp2p-mdns 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 39s
[INFO] running `Command { std: "docker" "inspect" "6f49dac4d5c2f02c54348bb3721bd5f5934cafbe4c638ffa4258874b7053f94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f49dac4d5c2f02c54348bb3721bd5f5934cafbe4c638ffa4258874b7053f94b", kill_on_drop: false }`
[INFO] [stdout] 6f49dac4d5c2f02c54348bb3721bd5f5934cafbe4c638ffa4258874b7053f94b