[INFO] fetching crate pallet-babe 2.0.1...
[INFO] checking pallet-babe-2.0.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate pallet-babe 2.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pallet-babe 2.0.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pallet-babe 2.0.1
[INFO] finished tweaking crates.io crate pallet-babe 2.0.1
[INFO] tweaked toml for crates.io crate pallet-babe 2.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 8d6ea50905b31f406823f076f92a21315569ce6ac4fdceb355c388c846c33cff
[INFO] running `Command { std: "docker" "start" "-a" "8d6ea50905b31f406823f076f92a21315569ce6ac4fdceb355c388c846c33cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d6ea50905b31f406823f076f92a21315569ce6ac4fdceb355c388c846c33cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d6ea50905b31f406823f076f92a21315569ce6ac4fdceb355c388c846c33cff", kill_on_drop: false }`
[INFO] [stdout] 8d6ea50905b31f406823f076f92a21315569ce6ac4fdceb355c388c846c33cff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db27ccd0d5cc237063f0492e504b82a16ef736d917877d7332f2a591d088abec
[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" "db27ccd0d5cc237063f0492e504b82a16ef736d917877d7332f2a591d088abec", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking sp-std v2.0.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling signal-hook v0.3.4
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking atomic v0.4.6
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.20.2
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking sha-1 v0.9.3
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking fixed-hash v0.6.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking curve25519-dalek v2.1.2
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking linregress v0.1.7
[INFO] [stderr]    Compiling sp-api-proc-macro v2.0.1
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking parity-multiaddr v0.9.7
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.1
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking parity-scale-codec v1.3.6
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking tracing v0.1.23
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking trie-db v0.22.3
[INFO] [stderr]     Checking sp-panic-handler v2.0.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking multistream-select v0.8.5
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking sp-utils v2.0.1
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr] error: could not compile `sp-api-proc-macro`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name sp_api_proc_macro --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/sp-api-proc-macro-2.0.1/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"' --cfg 'feature="std"' -C metadata=d7bf3df215512eb5 -C extra-filename=-d7bf3df215512eb5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern blake2_rfc=/opt/rustwide/target/debug/deps/libblake2_rfc-c36664fef3508d32.rlib --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-c8489f0dbb584c4b.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-bb4ba7198c8ab084.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-5a69b9c9858fa556.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-fb3443cab4dc9865.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" "db27ccd0d5cc237063f0492e504b82a16ef736d917877d7332f2a591d088abec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db27ccd0d5cc237063f0492e504b82a16ef736d917877d7332f2a591d088abec", kill_on_drop: false }`
[INFO] [stdout] db27ccd0d5cc237063f0492e504b82a16ef736d917877d7332f2a591d088abec