[INFO] fetching crate sc-light 3.0.0...
[INFO] checking sc-light-3.0.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate sc-light 3.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate sc-light 3.0.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sc-light 3.0.0
[INFO] finished tweaking crates.io crate sc-light 3.0.0
[INFO] tweaked toml for crates.io crate sc-light 3.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] eeb36b4a5775be3043c0a513b6b8bfdcd65bf117939b980fc9ffbc63f42cad0e
[INFO] running `Command { std: "docker" "start" "-a" "eeb36b4a5775be3043c0a513b6b8bfdcd65bf117939b980fc9ffbc63f42cad0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeb36b4a5775be3043c0a513b6b8bfdcd65bf117939b980fc9ffbc63f42cad0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeb36b4a5775be3043c0a513b6b8bfdcd65bf117939b980fc9ffbc63f42cad0e", kill_on_drop: false }`
[INFO] [stdout] eeb36b4a5775be3043c0a513b6b8bfdcd65bf117939b980fc9ffbc63f42cad0e
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 5f7e1223cbe02667ceac48b0e509d715071acc3165bbd7e30d1fc729c4f16c0c
[INFO] running `Command { std: "docker" "start" "-a" "5f7e1223cbe02667ceac48b0e509d715071acc3165bbd7e30d1fc729c4f16c0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]     Checking unsigned-varint v0.7.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.1
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling asn1_der_derive v0.1.2
[INFO] [stderr]    Compiling libp2p-core-derive v0.21.0
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking ref-cast v1.0.6
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking secrecy v0.7.0
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking trie-db v0.22.3
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking asn1_der v0.6.3
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking signal-hook v0.3.8
[INFO] [stderr]     Checking sp-panic-handler v3.0.0
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.2
[INFO] [stderr]     Checking wasmi v0.6.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking prometheus v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking async-io v1.4.0
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]     Checking futures-executor v0.3.14
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking futures v0.3.14
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking multistream-select v0.10.2
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking sp-utils v3.0.0
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking tiny-bip39 v0.8.0
[INFO] [stderr]     Checking twox-hash v1.6.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking sp-serializer v3.0.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.1.0
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v3.0.0
[INFO] [stderr]    Compiling multihash-derive v0.7.1
[INFO] [stderr]    Compiling sp-api-proc-macro v3.0.0
[INFO] [stderr]     Checking substrate-bip39 v0.4.2
[INFO] [stderr]    Compiling libp2p-core v0.27.1
[INFO] [stderr] error: could not compile `h2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name h2 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/h2-0.2.7/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=437d4a1d2039fa53 -C extra-filename=-437d4a1d2039fa53 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-b0fc720dde7c96eb.rmeta --extern fnv=/opt/rustwide/target/debug/deps/libfnv-7162fc9fdc7871c7.rmeta --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-b33bf111e6ef138a.rmeta --extern futures_sink=/opt/rustwide/target/debug/deps/libfutures_sink-7dcfc2eb4423ce5f.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-a5426d9a05aff284.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-e54d3f056e24433e.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-b919063c6afd04ca.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-b096a143352a0be7.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-c2a54091f89a14d7.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-96766cd20c252748.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-7d4782e3e5dfdd05.rmeta --extern tracing_futures=/opt/rustwide/target/debug/deps/libtracing_futures-2916f9e02cfe176c.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" "5f7e1223cbe02667ceac48b0e509d715071acc3165bbd7e30d1fc729c4f16c0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f7e1223cbe02667ceac48b0e509d715071acc3165bbd7e30d1fc729c4f16c0c", kill_on_drop: false }`
[INFO] [stdout] 5f7e1223cbe02667ceac48b0e509d715071acc3165bbd7e30d1fc729c4f16c0c