[INFO] fetching crate libp2p-rs 0.3.0...
[INFO] checking libp2p-rs-0.3.0 against master#e652caa679a304af11fc04f1f12452f255a82593 for pr-98000
[INFO] extracting crate libp2p-rs 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate libp2p-rs 0.3.0 on toolchain e652caa679a304af11fc04f1f12452f255a82593
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking crates.io crate libp2p-rs 0.3.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate libp2p-rs 0.3.0
[INFO] tweaked toml for crates.io crate libp2p-rs 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate libp2p-rs 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustyline-derive v0.3.1
[INFO] [stderr]   Downloaded multihash-derive v0.7.1
[INFO] [stderr]   Downloaded soketto v0.4.2
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[INFO] [stderr]   Downloaded bytesize v1.0.1
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[INFO] [stderr]   Downloaded libp2prs-noise v0.3.0
[INFO] [stderr]   Downloaded aes-ctr v0.4.0
[INFO] [stderr]   Downloaded primitive-types v0.8.0
[INFO] [stderr]   Downloaded libp2prs-swarm v0.3.0
[INFO] [stderr]   Downloaded route-recognizer v0.2.0
[INFO] [stderr]   Downloaded signature v1.3.0
[INFO] [stderr]   Downloaded async-h1 v2.3.1
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[INFO] [stderr]   Downloaded libp2prs-exporter v0.3.0
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[INFO] [stderr]   Downloaded chacha20 v0.5.0
[INFO] [stderr]   Downloaded async-session v2.0.1
[INFO] [stderr]   Downloaded tide v0.15.1
[INFO] [stderr]   Downloaded libp2prs-infoserver v0.3.0
[INFO] [stderr]   Downloaded chacha20poly1305 v0.6.0
[INFO] [stderr]   Downloaded protobuf v2.22.0
[INFO] [stderr]   Downloaded libp2prs-floodsub v0.3.0
[INFO] [stderr]   Downloaded stream-cipher v0.4.1
[INFO] [stderr]   Downloaded async-sse v4.1.0
[INFO] [stderr]   Downloaded libp2prs-core v0.3.0
[INFO] [stderr]   Downloaded dirs-next v1.0.2
[INFO] [stderr]   Downloaded http-types v2.10.0
[INFO] [stderr]   Downloaded libp2prs-kad v0.3.0
[INFO] [stderr]   Downloaded zeroize v1.2.0
[INFO] [stderr]   Downloaded yamux v0.9.0
[INFO] [stderr]   Downloaded ctr v0.4.0
[INFO] [stderr]   Downloaded libp2p-pnet v0.20.0
[INFO] [stderr]   Downloaded libp2prs-tcp v0.3.0
[INFO] [stderr]   Downloaded systemstat v0.1.7
[INFO] [stderr]   Downloaded blake2 v0.9.1
[INFO] [stderr]   Downloaded http-client v6.3.3
[INFO] [stderr]   Downloaded quicksink v0.1.2
[INFO] [stderr]   Downloaded nb-connect v1.0.3
[INFO] [stderr]   Downloaded libp2prs-multiaddr v0.3.0
[INFO] [stderr]   Downloaded libp2prs-secio v0.3.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.0
[INFO] [stderr]   Downloaded libp2prs-yamux v0.3.0
[INFO] [stderr]   Downloaded rustyline v6.3.0
[INFO] [stderr]   Downloaded xcli v0.5.2
[INFO] [stderr]   Downloaded x25519-dalek v1.1.0
[INFO] [stderr]   Downloaded libp2prs-plaintext v0.3.0
[INFO] [stderr]   Downloaded secp256k1 v0.20.1
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.2
[INFO] [stderr]   Downloaded snow v0.7.2
[INFO] [stderr]   Downloaded libp2prs-websocket v0.3.0
[INFO] [stderr]   Downloaded libp2prs-runtime v0.3.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbddc32387d42718a90f07be59249934d8214b1e74b9881994195fa8136daee2
[INFO] running `Command { std: "docker" "start" "-a" "fbddc32387d42718a90f07be59249934d8214b1e74b9881994195fa8136daee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbddc32387d42718a90f07be59249934d8214b1e74b9881994195fa8136daee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbddc32387d42718a90f07be59249934d8214b1e74b9881994195fa8136daee2", kill_on_drop: false }`
[INFO] [stdout] fbddc32387d42718a90f07be59249934d8214b1e74b9881994195fa8136daee2
[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=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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 118bda472437c8227e8a6b31884758057a607b03a1d17d68339a0e21b405ef1d
[INFO] running `Command { std: "docker" "start" "-a" "118bda472437c8227e8a6b31884758057a607b03a1d17d68339a0e21b405ef1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
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[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.21.0
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling rustyline-derive v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.123/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=4e3f574c2d99b1df -C extra-filename=-4e3f574c2d99b1df --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bd12ff4d9ad46d8e.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-51af22d12e757fd4.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-4664cdafab0a0d31.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "118bda472437c8227e8a6b31884758057a607b03a1d17d68339a0e21b405ef1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118bda472437c8227e8a6b31884758057a607b03a1d17d68339a0e21b405ef1d", kill_on_drop: false }`
[INFO] [stdout] 118bda472437c8227e8a6b31884758057a607b03a1d17d68339a0e21b405ef1d