[INFO] fetching crate sc-finality-grandpa 0.9.0...
[INFO] checking sc-finality-grandpa-0.9.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate sc-finality-grandpa 0.9.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate sc-finality-grandpa 0.9.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-finality-grandpa 0.9.0
[INFO] finished tweaking crates.io crate sc-finality-grandpa 0.9.0
[INFO] tweaked toml for crates.io crate sc-finality-grandpa 0.9.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 2ed17e04ba7447651f332ba6e1a80fd42828298e09b6fbbeeafc6a16d7f02f6f
[INFO] running `Command { std: "docker" "start" "-a" "2ed17e04ba7447651f332ba6e1a80fd42828298e09b6fbbeeafc6a16d7f02f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ed17e04ba7447651f332ba6e1a80fd42828298e09b6fbbeeafc6a16d7f02f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ed17e04ba7447651f332ba6e1a80fd42828298e09b6fbbeeafc6a16d7f02f6f", kill_on_drop: false }`
[INFO] [stdout] 2ed17e04ba7447651f332ba6e1a80fd42828298e09b6fbbeeafc6a16d7f02f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be763c171ab39bacf99bcd4e567a5bca3197a074f2cc6a9b02a90f1a82a6cf9b
[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" "be763c171ab39bacf99bcd4e567a5bca3197a074f2cc6a9b02a90f1a82a6cf9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking backtrace v0.3.60
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking minicbor v0.7.2
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking prometheus v0.11.0
[INFO] [stderr]     Checking multibase v0.8.0
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking tiny-bip39 v0.8.0
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking chacha20 v0.5.0
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking sp-panic-handler v3.0.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking trie-db v0.22.6
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]     Checking chacha20poly1305 v0.6.0
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking x25519-dalek v1.1.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.1.0
[INFO] [stderr]     Checking if-watch v0.1.8
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]    Compiling libp2p-core v0.27.1
[INFO] [stderr]    Compiling libp2p-noise v0.29.0
[INFO] [stderr]    Compiling libp2p-floodsub v0.27.0
[INFO] [stderr]    Compiling libp2p-kad v0.28.1
[INFO] [stderr]    Compiling libp2p-gossipsub v0.27.0
[INFO] [stderr]    Compiling libp2p-identify v0.27.0
[INFO] [stderr]    Compiling libp2p-plaintext v0.27.1
[INFO] [stderr]    Compiling sc-network v0.9.0
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking asynchronous-codec v0.6.0
[INFO] [stderr]     Checking asynchronous-codec v0.5.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking unsigned-varint v0.7.0
[INFO] [stderr]     Checking unsigned-varint v0.6.0
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking yamux v0.8.1
[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-1.0.126/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=779bc716788f8598 -C extra-filename=-779bc716788f8598 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0c29878b8762dd41.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-56824a1e2a9455ee.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-38e0a9c329c7ff81.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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "be763c171ab39bacf99bcd4e567a5bca3197a074f2cc6a9b02a90f1a82a6cf9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be763c171ab39bacf99bcd4e567a5bca3197a074f2cc6a9b02a90f1a82a6cf9b", kill_on_drop: false }`
[INFO] [stdout] be763c171ab39bacf99bcd4e567a5bca3197a074f2cc6a9b02a90f1a82a6cf9b