[INFO] fetching crate libp2p 0.33.0...
[INFO] testing libp2p-0.33.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate libp2p 0.33.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libp2p 0.33.0 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 crates.io crate libp2p 0.33.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libp2p 0.33.0
[INFO] tweaked toml for crates.io crate libp2p 0.33.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate libp2p 0.33.0 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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da8ce0c5ab908feb1c7bda9329e0f2674c2e39f7cc2eb52e2ed51a6b0b1c3a44
[INFO] running `Command { std: "docker" "start" "-a" "da8ce0c5ab908feb1c7bda9329e0f2674c2e39f7cc2eb52e2ed51a6b0b1c3a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da8ce0c5ab908feb1c7bda9329e0f2674c2e39f7cc2eb52e2ed51a6b0b1c3a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da8ce0c5ab908feb1c7bda9329e0f2674c2e39f7cc2eb52e2ed51a6b0b1c3a44", kill_on_drop: false }`
[INFO] [stdout] da8ce0c5ab908feb1c7bda9329e0f2674c2e39f7cc2eb52e2ed51a6b0b1c3a44
[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] [stdout] ee3374417e1a4abaec941a439587e251df3f5812bc9f85f698ef39a60454ad65
[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" "ee3374417e1a4abaec941a439587e251df3f5812bc9f85f698ef39a60454ad65", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.8
[INFO] [stderr]    Compiling futures-io v0.3.8
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling hex_fmt v0.3.0
[INFO] [stderr]    Compiling lru_time_cache v0.11.3
[INFO] [stderr]    Compiling parity-send-wrapper v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.8
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling socket2 v0.3.17
[INFO] [stderr]    Compiling if-addrs v0.6.5
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]    Compiling block-cipher v0.8.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling quicksink v0.1.2
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling sha-1 v0.9.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling stream-cipher v0.7.1
[INFO] [stderr]    Compiling aes-soft v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling salsa20 v0.7.2
[INFO] [stderr]    Compiling polyval v0.4.3
[INFO] [stderr]    Compiling poly1305 v0.6.2
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling cuckoofilter v0.5.0
[INFO] [stderr]    Compiling ghash v0.3.0
[INFO] [stderr]    Compiling aes v0.5.0
[INFO] [stderr]    Compiling libsecp256k1 v0.3.5
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling lru v0.6.2
[INFO] [stderr]    Compiling aes-gcm v0.7.0
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling async-global-executor v1.4.3
[INFO] [stderr]    Compiling if-watch v0.1.7
[INFO] [stderr]    Compiling async-std v1.8.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling webpki-roots v0.21.0
[INFO] [stderr]    Compiling rustls v0.19.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling async-tls v0.11.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling minicbor-derive v0.6.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling libp2p-core-derive v0.21.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling curve25519-dalek v3.0.0
[INFO] [stderr]    Compiling chacha20 v0.5.0
[INFO] [stderr]    Compiling chacha20poly1305 v0.6.0
[INFO] [stderr]    Compiling asn1_der v0.6.3
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling x25519-dalek v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling pin-project v0.4.27
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]    Compiling minicbor v0.7.0
[INFO] [stderr]    Compiling js-sys v0.3.46
[INFO] [stderr]    Compiling libp2p-core v0.26.0
[INFO] [stderr]    Compiling libp2p-gossipsub v0.26.0
[INFO] [stderr]    Compiling libp2p-noise v0.28.0
[INFO] [stderr]    Compiling libp2p-floodsub v0.26.0
[INFO] [stderr]    Compiling libp2p-identify v0.26.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.26.0
[INFO] [stderr]    Compiling libp2p-kad v0.27.0
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.19
[INFO] [stderr]    Compiling futures_codec v0.4.1
[INFO] [stderr]    Compiling rw-stream-sink v0.2.1
[INFO] [stderr]    Compiling wasm-timer v0.2.5
[INFO] [stderr]    Compiling soketto v0.4.2
[INFO] [stderr]    Compiling yamux v0.8.0
[INFO] [stderr]    Compiling libp2p-pnet v0.20.0
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling multihash v0.13.2
[INFO] [stderr]    Compiling multistream-select v0.9.1
[INFO] [stderr]    Compiling parity-multiaddr v0.10.0
[INFO] [stderr]    Compiling libp2p-swarm v0.26.0
[INFO] [stderr]    Compiling libp2p-dns v0.26.0
[INFO] [stderr]    Compiling libp2p-uds v0.26.0
[INFO] [stderr]    Compiling libp2p-mplex v0.26.0
[INFO] [stderr]    Compiling libp2p-wasm-ext v0.26.0
[INFO] [stderr]    Compiling libp2p-deflate v0.26.0
[INFO] [stderr]    Compiling libp2p-websocket v0.27.0
[INFO] [stderr]    Compiling libp2p-tcp v0.26.0
[INFO] [stderr]    Compiling libp2p-yamux v0.29.0
[INFO] [stderr]    Compiling libp2p-ping v0.26.0
[INFO] [stderr]    Compiling libp2p-mdns v0.27.0
[INFO] [stderr]    Compiling libp2p-request-response v0.8.0
[INFO] [stderr]    Compiling libp2p v0.33.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 00s
[INFO] running `Command { std: "docker" "inspect" "ee3374417e1a4abaec941a439587e251df3f5812bc9f85f698ef39a60454ad65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee3374417e1a4abaec941a439587e251df3f5812bc9f85f698ef39a60454ad65", kill_on_drop: false }`
[INFO] [stdout] ee3374417e1a4abaec941a439587e251df3f5812bc9f85f698ef39a60454ad65
[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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4814ded10e2843789c99516a2c8edea91b3d1a788670ed9c3d3034f77da3b485
[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" "4814ded10e2843789c99516a2c8edea91b3d1a788670ed9c3d3034f77da3b485", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytes v0.6.0
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling env_logger v0.8.2
[INFO] [stderr]    Compiling libp2p v0.33.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `libp2p`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name ipfs_kad --edition=2018 examples/ipfs-kad.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="deflate"' --cfg 'feature="dns"' --cfg 'feature="floodsub"' --cfg 'feature="gossipsub"' --cfg 'feature="identify"' --cfg 'feature="kad"' --cfg 'feature="libp2p-deflate"' --cfg 'feature="libp2p-dns"' --cfg 'feature="libp2p-floodsub"' --cfg 'feature="libp2p-gossipsub"' --cfg 'feature="libp2p-identify"' --cfg 'feature="libp2p-kad"' --cfg 'feature="libp2p-mdns"' --cfg 'feature="libp2p-mplex"' --cfg 'feature="libp2p-noise"' --cfg 'feature="libp2p-ping"' --cfg 'feature="libp2p-plaintext"' --cfg 'feature="libp2p-pnet"' --cfg 'feature="libp2p-request-response"' --cfg 'feature="libp2p-tcp"' --cfg 'feature="libp2p-uds"' --cfg 'feature="libp2p-wasm-ext"' --cfg 'feature="libp2p-websocket"' --cfg 'feature="libp2p-yamux"' --cfg 'feature="mdns"' --cfg 'feature="mplex"' --cfg 'feature="noise"' --cfg 'feature="ping"' --cfg 'feature="plaintext"' --cfg 'feature="pnet"' --cfg 'feature="request-response"' --cfg 'feature="secp256k1"' --cfg 'feature="tcp-async-std"' --cfg 'feature="uds"' --cfg 'feature="wasm-ext"' --cfg 'feature="websocket"' --cfg 'feature="yamux"' -C metadata=23219e4bd8a9f434 -C extra-filename=-23219e4bd8a9f434 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-427cc35a67821b5d.rlib --extern atomic=/opt/rustwide/target/debug/deps/libatomic-81d9637672fefb69.rlib --extern bytes=/opt/rustwide/target/debug/deps/libbytes-8f475ca97d0bfeee.rlib --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-c73505291252127a.rlib --extern futures=/opt/rustwide/target/debug/deps/libfutures-e3becb1914d8de54.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7895c92c6d278491.rlib --extern libp2p=/opt/rustwide/target/debug/deps/liblibp2p-a81ce797e5588f5e.rlib --extern libp2p_core=/opt/rustwide/target/debug/deps/liblibp2p_core-0060bb1782e6a24d.rlib --extern libp2p_core_derive=/opt/rustwide/target/debug/deps/liblibp2p_core_derive-b4f11fb711891afb.so --extern libp2p_deflate=/opt/rustwide/target/debug/deps/liblibp2p_deflate-4d589442c0148fff.rlib --extern libp2p_dns=/opt/rustwide/target/debug/deps/liblibp2p_dns-a47f1f25edc4d5b0.rlib --extern libp2p_floodsub=/opt/rustwide/target/debug/deps/liblibp2p_floodsub-65c870603fce3ea9.rlib --extern libp2p_gossipsub=/opt/rustwide/target/debug/deps/liblibp2p_gossipsub-df913db4d989db6e.rlib --extern libp2p_identify=/opt/rustwide/target/debug/deps/liblibp2p_identify-05cd9a0fa255ebbd.rlib --extern libp2p_kad=/opt/rustwide/target/debug/deps/liblibp2p_kad-33274027dd27a5c2.rlib --extern libp2p_mdns=/opt/rustwide/target/debug/deps/liblibp2p_mdns-771a343fa6d5b0e4.rlib --extern libp2p_mplex=/opt/rustwide/target/debug/deps/liblibp2p_mplex-6aaf3110ab456f7e.rlib --extern libp2p_noise=/opt/rustwide/target/debug/deps/liblibp2p_noise-e4404264145182b6.rlib --extern libp2p_ping=/opt/rustwide/target/debug/deps/liblibp2p_ping-a94fc1dbb64a9feb.rlib --extern libp2p_plaintext=/opt/rustwide/target/debug/deps/liblibp2p_plaintext-4d7605f39255ccea.rlib --extern libp2p_pnet=/opt/rustwide/target/debug/deps/liblibp2p_pnet-f9716f7251b3ce85.rlib --extern libp2p_request_response=/opt/rustwide/target/debug/deps/liblibp2p_request_response-ffce2aa43b37c5d3.rlib --extern libp2p_swarm=/opt/rustwide/target/debug/deps/liblibp2p_swarm-b38c4f5798158f15.rlib --extern libp2p_tcp=/opt/rustwide/target/debug/deps/liblibp2p_tcp-974b8ca4f66b844c.rlib --extern libp2p_uds=/opt/rustwide/target/debug/deps/liblibp2p_uds-96a3a003ff86c242.rlib --extern libp2p_wasm_ext=/opt/rustwide/target/debug/deps/liblibp2p_wasm_ext-a8f0447b22ca7e5d.rlib --extern libp2p_websocket=/opt/rustwide/target/debug/deps/liblibp2p_websocket-267a17e120b71e3b.rlib --extern libp2p_yamux=/opt/rustwide/target/debug/deps/liblibp2p_yamux-ce98ce795b5115cc.rlib --extern multiaddr=/opt/rustwide/target/debug/deps/libparity_multiaddr-190ab7c175610ea2.rlib --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-7a55ec635b115051.rlib --extern pin_project=/opt/rustwide/target/debug/deps/libpin_project-7c1b7179086e0ddd.rlib --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-2ed169cbd3b878fa.rlib --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0783466c51b87953.rlib --extern wasm_timer=/opt/rustwide/target/debug/deps/libwasm_timer-40faecc6641504e3.rlib --cap-lints=warn -L native=/opt/rustwide/target/debug/build/ring-c99824ebd2af1c97/out` (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" "4814ded10e2843789c99516a2c8edea91b3d1a788670ed9c3d3034f77da3b485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4814ded10e2843789c99516a2c8edea91b3d1a788670ed9c3d3034f77da3b485", kill_on_drop: false }`
[INFO] [stdout] 4814ded10e2843789c99516a2c8edea91b3d1a788670ed9c3d3034f77da3b485