[INFO] fetching crate substrate-frame-rpc-support 2.0.0...
[INFO] checking substrate-frame-rpc-support-2.0.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate substrate-frame-rpc-support 2.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate substrate-frame-rpc-support 2.0.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substrate-frame-rpc-support 2.0.0
[INFO] finished tweaking crates.io crate substrate-frame-rpc-support 2.0.0
[INFO] tweaked toml for crates.io crate substrate-frame-rpc-support 2.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7b8633bdc65b1cf46fd3c3230350f046647cc9e5935ce449f1e2faa7b006da0
[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" "c7b8633bdc65b1cf46fd3c3230350f046647cc9e5935ce449f1e2faa7b006da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7b8633bdc65b1cf46fd3c3230350f046647cc9e5935ce449f1e2faa7b006da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7b8633bdc65b1cf46fd3c3230350f046647cc9e5935ce449f1e2faa7b006da0", kill_on_drop: false }`
[INFO] [stdout] c7b8633bdc65b1cf46fd3c3230350f046647cc9e5935ce449f1e2faa7b006da0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fd5b252ea2092c7d1ccfeedb466e03fd11240fb27292693f693fa3f82ef809e
[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" "8fd5b252ea2092c7d1ccfeedb466e03fd11240fb27292693f693fa3f82ef809e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking sp-std v2.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]     Checking signature v1.2.2
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking environmental v1.1.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking async-task v4.0.2
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking data-encoding v2.3.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking atomic v0.4.6
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking blake2s_simd v0.5.10
[INFO] [stderr]     Checking blake2b_simd v0.5.10
[INFO] [stderr]     Checking ed25519 v1.0.2
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]     Checking futures-lite v1.10.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking polling v2.0.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking trie-db v0.22.1
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling const-random-macro v0.1.11
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sp-panic-handler v2.0.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking async-io v1.1.9
[INFO] [stderr]     Checking blocking v1.0.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking const-random v0.1.11
[INFO] [stderr]     Checking hmac-drbg v0.2.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking ahash v0.2.19
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking async-global-executor v1.3.0
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking lru v0.4.3
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling ref-cast-impl v1.0.2
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.2
[INFO] [stderr] error: could not compile `tracing-attributes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tracing_attributes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tracing-attributes-0.1.11/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 -C metadata=9ce3da8ee6fafb7d -C extra-filename=-9ce3da8ee6fafb7d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-504e1e92d332712c.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-8df32206e77519ce.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-2aaa95cb9c8fd5a6.rlib --extern proc_macro --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" "8fd5b252ea2092c7d1ccfeedb466e03fd11240fb27292693f693fa3f82ef809e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fd5b252ea2092c7d1ccfeedb466e03fd11240fb27292693f693fa3f82ef809e", kill_on_drop: false }`
[INFO] [stdout] 8fd5b252ea2092c7d1ccfeedb466e03fd11240fb27292693f693fa3f82ef809e