[INFO] cloning repository https://github.com/sinkingsugar/nim-libp2p-rs-interop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinkingsugar/nim-libp2p-rs-interop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinkingsugar%2Fnim-libp2p-rs-interop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinkingsugar%2Fnim-libp2p-rs-interop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e6eae9fa8a69b9cc9a2aca6b633ef8a5c342e4c
[INFO] testing sinkingsugar/nim-libp2p-rs-interop against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinkingsugar%2Fnim-libp2p-rs-interop" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sinkingsugar/nim-libp2p-rs-interop on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sinkingsugar/nim-libp2p-rs-interop
[INFO] finished tweaking git repo https://github.com/sinkingsugar/nim-libp2p-rs-interop
[INFO] tweaked toml for git repo https://github.com/sinkingsugar/nim-libp2p-rs-interop written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sinkingsugar/nim-libp2p-rs-interop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ee416936ed3fd85457f36f94c85dbeb62d484e2d56fb5d1d7b33941ce1ce094
[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" "7ee416936ed3fd85457f36f94c85dbeb62d484e2d56fb5d1d7b33941ce1ce094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee416936ed3fd85457f36f94c85dbeb62d484e2d56fb5d1d7b33941ce1ce094", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee416936ed3fd85457f36f94c85dbeb62d484e2d56fb5d1d7b33941ce1ce094", kill_on_drop: false }`
[INFO] [stdout] 7ee416936ed3fd85457f36f94c85dbeb62d484e2d56fb5d1d7b33941ce1ce094
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] aed4ca35c6b2d7c03c25ae73c7ae419c48b665ccf97ff0fe62b58c624615f61b
[INFO] running `Command { std: "docker" "start" "-a" "aed4ca35c6b2d7c03c25ae73c7ae419c48b665ccf97ff0fe62b58c624615f61b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling data-encoding v2.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.59
[INFO] [stderr]    Compiling wasm-bindgen v0.2.59
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling bs58 v0.2.5
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.34
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling rlp v0.4.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling lru v0.1.17
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling bigint v4.4.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling curve25519-dalek v2.0.0
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling hkdf v0.8.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling cuckoofilter v0.3.2
[INFO] [stderr]    Compiling wasm-timer v0.1.3
[INFO] [stderr]    Compiling webpki v0.21.2
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling regex v1.3.5
[INFO] [stderr]    Compiling backtrace v0.3.45
[INFO] [stderr]    Compiling ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling rw-stream-sink v0.1.2 (https://github.com/SigP/rust-libp2p?rev=8c272a9a4d115d9a1d33791479527cdcba781829#8c272a9a)
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling rustls v0.16.0
[INFO] [stderr]    Compiling webpki-roots v0.18.0
[INFO] [stderr]    Compiling unsigned-varint v0.2.3
[INFO] [stderr]    Compiling yamux v0.2.2
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.6
[INFO] [stderr]    Compiling x25519-dalek v0.5.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling parity-multihash v0.2.0 (https://github.com/SigP/rust-libp2p?rev=8c272a9a4d115d9a1d33791479527cdcba781829#8c272a9a)
[INFO] [stderr]    Compiling multistream-select v0.6.1 (https://github.com/SigP/rust-libp2p?rev=8c272a9a4d115d9a1d33791479527cdcba781829#8c272a9a)
[INFO] [stderr]    Compiling soketto v0.2.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling parity-multiaddr v0.6.0 (https://github.com/SigP/rust-libp2p?rev=8c272a9a4d115d9a1d33791479527cdcba781829#8c272a9a)
[INFO] [stderr]    Compiling zeroize_derive v0.1.0
[INFO] [stderr]    Compiling tokio-dns-unofficial v0.4.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.59
[INFO] [stderr]    Compiling tokio-rustls v0.10.3
[INFO] [stderr]    Compiling zeroize v0.6.0
[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-2.8.1/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=88ed5d96cf1cbfe5 -C extra-filename=-88ed5d96cf1cbfe5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (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" "aed4ca35c6b2d7c03c25ae73c7ae419c48b665ccf97ff0fe62b58c624615f61b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed4ca35c6b2d7c03c25ae73c7ae419c48b665ccf97ff0fe62b58c624615f61b", kill_on_drop: false }`
[INFO] [stdout] aed4ca35c6b2d7c03c25ae73c7ae419c48b665ccf97ff0fe62b58c624615f61b