[INFO] fetching crate substrate-subxt 0.13.0...
[INFO] checking substrate-subxt-0.13.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate substrate-subxt 0.13.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate substrate-subxt 0.13.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-subxt 0.13.0
[INFO] finished tweaking crates.io crate substrate-subxt 0.13.0
[INFO] tweaked toml for crates.io crate substrate-subxt 0.13.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate substrate-subxt 0.13.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lru v0.6.0
[INFO] [stderr]   Downloaded jsonrpc-ipc-server v15.0.0
[INFO] [stderr]   Downloaded jsonrpc-core-client v15.0.0
[INFO] [stderr]   Downloaded sp-npos-elections-compact v2.0.0
[INFO] [stderr]   Downloaded sp-authority-discovery v2.0.0
[INFO] [stderr]   Downloaded sp-npos-elections v2.0.0
[INFO] [stderr]   Downloaded sp-consensus-slots v0.8.0
[INFO] [stderr]   Downloaded jsonrpc-client-transports v15.0.0
[INFO] [stderr]   Downloaded futures-lite v1.8.0
[INFO] [stderr]   Downloaded async-io v1.1.0
[INFO] [stderr]   Downloaded rustls v0.18.0
[INFO] [stderr]   Downloaded pallet-im-online v2.0.0
[INFO] [stderr]   Downloaded substrate-subxt-proc-macro v0.13.0
[INFO] [stderr]   Downloaded sharded-slab v0.0.9
[INFO] [stderr]   Downloaded sp-consensus-babe v0.8.0
[INFO] [stderr]   Downloaded cc v1.0.57
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded wabt v0.10.0
[INFO] [stderr]   Downloaded jsonrpc-core v15.0.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v15.0.0
[INFO] [stderr]   Downloaded jsonrpc-ws-server v15.0.0
[INFO] [stderr]   Downloaded async-trait v0.1.38
[INFO] [stderr]   Downloaded parity-multiaddr v0.9.2
[INFO] [stderr]   Downloaded wabt-sys v0.8.0
[INFO] [stderr]   Downloaded event-listener v2.3.2
[INFO] [stderr]   Downloaded async-mutex v1.3.0
[INFO] [stderr]   Downloaded async-channel v1.4.0
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.4
[INFO] [stderr]   Downloaded dyn-clone v1.0.2
[INFO] [stderr]   Downloaded ed25519 v1.0.1
[INFO] [stderr]   Downloaded tracing-serde v0.1.1
[INFO] [stderr]   Downloaded hashbrown v0.8.1
[INFO] [stderr]   Downloaded substrate-subxt-client v0.5.0
[INFO] [stderr]   Downloaded pallet-staking v2.0.0
[INFO] [stderr]   Downloaded jsonrpc-derive v15.0.0
[INFO] [stderr]   Downloaded sp-consensus-vrf v0.8.0
[INFO] [stderr]   Downloaded tokio-rustls v0.14.0
[INFO] [stderr]   Downloaded jsonrpc-http-server v15.0.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v15.0.0
[INFO] [stderr]   Downloaded soketto v0.4.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 11d0c2f3cfaa828150d1385069e3c7bded7ab48433cf704e4aedc307e2c0be8d
[INFO] running `Command { std: "docker" "start" "-a" "11d0c2f3cfaa828150d1385069e3c7bded7ab48433cf704e4aedc307e2c0be8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11d0c2f3cfaa828150d1385069e3c7bded7ab48433cf704e4aedc307e2c0be8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11d0c2f3cfaa828150d1385069e3c7bded7ab48433cf704e4aedc307e2c0be8d", kill_on_drop: false }`
[INFO] [stdout] 11d0c2f3cfaa828150d1385069e3c7bded7ab48433cf704e4aedc307e2c0be8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae59ca6a4fa4fbed5d4ba574f29f422417ef93bfb02b4045d5c1a0a3d45fa902
[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" "ae59ca6a4fa4fbed5d4ba574f29f422417ef93bfb02b4045d5c1a0a3d45fa902", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]    Compiling cc v1.0.57
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.64
[INFO] [stderr]     Checking event-listener v2.3.2
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.64
[INFO] [stderr]     Checking cpuid-bool v0.1.0
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking ed25519 v1.0.1
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking async-mutex v1.3.0
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking futures-lite v1.8.0
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]     Checking uint v0.8.3
[INFO] [stderr]    Compiling snow v0.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking sp-panic-handler v2.0.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]     Checking lru v0.6.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]     Checking polyval v0.4.0
[INFO] [stderr]     Checking poly1305 v0.6.0
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking statrs v0.10.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking blake2 v0.9.0
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling wabt-sys v0.8.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ghash v0.3.0
[INFO] [stderr]     Checking multihash v0.11.2
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking miow v0.3.5
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking async-io v1.1.0
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking alga v0.9.3
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking parity-ws v0.10.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking async-global-executor v1.2.1
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]     Checking tokio-named-pipes v0.1.0
[INFO] [stderr]     Checking parity-tokio-ipc v0.4.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.38/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 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=6673484acf99811a -C extra-filename=-6673484acf99811a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-cf6fe1cad81ca6ef.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-93aded557d4a3ad7.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-083414e3434d8e82.rmeta --cap-lints allow --cap-lints=forbid` (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" "ae59ca6a4fa4fbed5d4ba574f29f422417ef93bfb02b4045d5c1a0a3d45fa902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae59ca6a4fa4fbed5d4ba574f29f422417ef93bfb02b4045d5c1a0a3d45fa902", kill_on_drop: false }`
[INFO] [stdout] ae59ca6a4fa4fbed5d4ba574f29f422417ef93bfb02b4045d5c1a0a3d45fa902