[INFO] cloning repository https://github.com/emotiq/rust-libp2p-identify-issue
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emotiq/rust-libp2p-identify-issue" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femotiq%2Frust-libp2p-identify-issue", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femotiq%2Frust-libp2p-identify-issue'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49532abc3ef7b51e810e792af8869b509b5a3b6c
[INFO] testing emotiq/rust-libp2p-identify-issue against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femotiq%2Frust-libp2p-identify-issue" "/workspace/builds/worker-40/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-40/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emotiq/rust-libp2p-identify-issue on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emotiq/rust-libp2p-identify-issue
[INFO] finished tweaking git repo https://github.com/emotiq/rust-libp2p-identify-issue
[INFO] tweaked toml for git repo https://github.com/emotiq/rust-libp2p-identify-issue written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] crate git repo https://github.com/emotiq/rust-libp2p-identify-issue already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/libp2p/rust-libp2p`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/aio-limited.git`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/yamux`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/rust-secp256k1`
[INFO] [stderr]     Updating git repository `https://github.com/redox-os/tfs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unsigned-varint v0.2.1
[INFO] [stderr]   Downloaded openssl-sys v0.9.35
[INFO] [stderr]   Downloaded tk-listen v0.2.0
[INFO] [stderr]   Downloaded aesni v0.4.1
[INFO] [stderr]   Downloaded env_logger v0.5.13
[INFO] [stderr]   Downloaded aho-corasick v0.6.8
[INFO] [stderr]   Downloaded tokio-dns-unofficial v0.3.1
[INFO] [stderr]   Downloaded base64 v0.7.0
[INFO] [stderr]   Downloaded opaque-debug v0.1.1
[INFO] [stderr]   Downloaded websocket v0.20.3
[INFO] [stderr]   Downloaded tiny-keccak v1.4.2
[INFO] [stderr]   Downloaded parking_lot_core v0.3.0
[INFO] [stderr]   Downloaded integer-encoding v1.0.5
[INFO] [stderr]   Downloaded regex v1.0.4
[INFO] [stderr]   Downloaded utf8-ranges v1.0.1
[INFO] [stderr]   Downloaded aes-ctr v0.1.0
[INFO] [stderr]   Downloaded block-cipher-trait v0.5.3
[INFO] [stderr]   Downloaded twofish v0.1.0
[INFO] [stderr]   Downloaded stream-cipher v0.1.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded cc v1.0.23
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] [stderr]   Downloaded lazycell v0.6.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.17
[INFO] [stderr]   Downloaded serde_json v1.0.26
[INFO] [stderr]   Downloaded aes-soft v0.2.0
[INFO] [stderr]   Downloaded futures v0.1.23
[INFO] [stderr]   Downloaded protobuf v2.0.4
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded serde v1.0.76
[INFO] [stderr]   Downloaded structopt v0.2.10
[INFO] [stderr]   Downloaded bs58 v0.2.1
[INFO] [stderr]   Downloaded termcolor v1.0.3
[INFO] [stderr]   Downloaded etrace v1.0.0
[INFO] [stderr]   Downloaded structopt-derive v0.2.10
[INFO] [stderr]   Downloaded asn1_der v0.5.6
[INFO] [stderr]   Downloaded ctr v0.1.0
[INFO] [stderr]   Downloaded smallvec v0.5.1
[INFO] [stderr]   Downloaded tokio-stdin v0.1.1
[INFO] [stderr]   Downloaded tempfile v3.0.3
[INFO] [stderr]   Downloaded digest v0.7.5
[INFO] [stderr]   Downloaded mio v0.6.15
[INFO] [stderr]   Downloaded serde_derive v1.0.76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2e61ddc3f384f8a633c42395c2377dca73d7db0174c5ab9f6ce54d249709701
[INFO] running `Command { std: "docker" "start" "-a" "f2e61ddc3f384f8a633c42395c2377dca73d7db0174c5ab9f6ce54d249709701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2e61ddc3f384f8a633c42395c2377dca73d7db0174c5ab9f6ce54d249709701", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e61ddc3f384f8a633c42395c2377dca73d7db0174c5ab9f6ce54d249709701", kill_on_drop: false }`
[INFO] [stdout] f2e61ddc3f384f8a633c42395c2377dca73d7db0174c5ab9f6ce54d249709701
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dd1e9eb9c998572a7eed75dbc8104256ce014d528812cb3b27f71d70f678d25
[INFO] running `Command { std: "docker" "start" "-a" "5dd1e9eb9c998572a7eed75dbc8104256ce014d528812cb3b27f71d70f678d25", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.23
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling sha1 v0.5.0
[INFO] [stderr]    Compiling protobuf v2.0.4
[INFO] [stderr]    Compiling bs58 v0.2.1
[INFO] [stderr]    Compiling integer-encoding v1.0.5
[INFO] [stderr]    Compiling byteorder v0.4.2
[INFO] [stderr]    Compiling smallvec v0.5.1
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling opaque-debug v0.1.1
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling untrusted v0.5.1
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling quick-error v0.1.4
[INFO] [stderr]    Compiling etrace v1.0.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.0.3
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling parking_lot_core v0.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling block-cipher-trait v0.5.3
[INFO] [stderr]    Compiling stream-cipher v0.1.1
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling tempfile v3.0.3
[INFO] [stderr]    Compiling mio v0.6.15
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling aes-soft v0.2.0
[INFO] [stderr]    Compiling ctr v0.1.0
[INFO] [stderr]    Compiling twofish v0.1.0
[INFO] [stderr]    Compiling asn1_der v0.5.6
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling tiny-keccak v1.4.2
[INFO] [stderr]    Compiling bigint v4.4.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling aes-ctr v0.1.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling parking_lot v0.4.8
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling multihash v0.8.1-pre (https://github.com/libp2p/rust-libp2p#bca1083d)
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling chashmap v2.2.1 (https://github.com/redox-os/tfs#3e7dcdb0)
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling tokio-io v0.1.8
[INFO] [stderr]    Compiling tokio-executor v0.1.4
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tokio-stdin v0.1.1
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling openssl-sys v0.9.35
[INFO] [stderr]    Compiling eth-secp256k1 v0.5.7 (https://github.com/paritytech/rust-secp256k1#db81cfea)
[INFO] [stderr]    Compiling multiaddr v0.3.0 (https://github.com/libp2p/rust-libp2p#bca1083d)
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr] error: could not compile `protobuf`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name protobuf /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protobuf-2.0.4/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=42d07ff28b8a4750 -C extra-filename=-42d07ff28b8a4750 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --cfg rustc_nightly` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5dd1e9eb9c998572a7eed75dbc8104256ce014d528812cb3b27f71d70f678d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd1e9eb9c998572a7eed75dbc8104256ce014d528812cb3b27f71d70f678d25", kill_on_drop: false }`
[INFO] [stdout] 5dd1e9eb9c998572a7eed75dbc8104256ce014d528812cb3b27f71d70f678d25