[INFO] cloning repository https://github.com/paritytech/polkadot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paritytech/polkadot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fpolkadot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fpolkadot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9c4bc1eb1908829322337def9bbe9f7d5c4beba
[INFO] checking paritytech/polkadot against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fpolkadot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/polkadot on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paritytech/polkadot
[INFO] finished tweaking git repo https://github.com/paritytech/polkadot
[INFO] tweaked toml for git repo https://github.com/paritytech/polkadot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/paritytech/polkadot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/grandpa-bridge-gadget`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate-debug-kit`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitvec v0.20.1
[INFO] [stderr]   Downloaded rpassword v5.0.0
[INFO] [stderr]   Downloaded frame-metadata v14.0.0
[INFO] [stderr]   Downloaded syn-mid v0.5.3
[INFO] [stderr]   Downloaded chacha20poly1305 v0.8.0
[INFO] [stderr]   Downloaded trust-dns-proto v0.20.1
[INFO] [stderr]   Downloaded slotmap v1.0.6
[INFO] [stderr]   Downloaded integer-encoding v1.1.5
[INFO] [stderr]   Downloaded static_init_macro v0.5.0
[INFO] [stderr]   Downloaded file-per-thread-logger v0.1.3
[INFO] [stderr]   Downloaded anyhow v1.0.39
[INFO] [stderr]   Downloaded if-watch v0.2.0
[INFO] [stderr]   Downloaded socket2 v0.3.17
[INFO] [stderr]   Downloaded separator v0.4.1
[INFO] [stderr]   Downloaded predicates-tree v1.0.0
[INFO] [stderr]   Downloaded dlmalloc v0.2.1
[INFO] [stderr]   Downloaded tracing v0.1.27
[INFO] [stderr]   Downloaded predicates v1.0.4
[INFO] [stderr]   Downloaded chacha20 v0.7.1
[INFO] [stderr]   Downloaded assert_cmd v1.0.2
[INFO] [stderr]   Downloaded ed25519 v1.0.1
[INFO] [stderr]   Downloaded signature v1.1.0
[INFO] [stderr]   Downloaded either v1.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.25
[INFO] [stderr]   Downloaded bounded-vec v0.4.0
[INFO] [stderr]   Downloaded webpki-roots v0.21.0
[INFO] [stderr]   Downloaded memoffset v0.5.5
[INFO] [stderr]   Downloaded linregress v0.4.3
[INFO] [stderr]   Downloaded aead v0.4.2
[INFO] [stderr]   Downloaded owo-colors v1.2.1
[INFO] [stderr]   Downloaded polyval v0.5.1
[INFO] [stderr]   Downloaded async-std-resolver v0.20.1
[INFO] [stderr]   Downloaded memmap2 v0.2.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.20.1
[INFO] [stderr]   Downloaded strum v0.21.0
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.4
[INFO] [stderr]   Downloaded signal-hook v0.3.9
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded git2 v0.13.22
[INFO] [stderr]   Downloaded indenter v0.3.0
[INFO] [stderr]   Downloaded tikv-jemalloc-ctl v0.4.2
[INFO] [stderr]   Downloaded rustversion v1.0.4
[INFO] [stderr]   Downloaded soketto v0.6.0
[INFO] [stderr]   Downloaded multihash v0.13.1
[INFO] [stderr]   Downloaded linked_hash_set v0.1.3
[INFO] [stderr]   Downloaded ctor v0.1.16
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.9
[INFO] [stderr]   Downloaded bae v0.1.6
[INFO] [stderr]   Downloaded eyre v0.6.2
[INFO] [stderr]   Downloaded jsonrpsee-types v0.3.0
[INFO] [stderr]   Downloaded minicbor-derive v0.6.2
[INFO] [stderr]   Downloaded multistream-select v0.10.0
[INFO] [stderr]   Downloaded reed-solomon-novelpoly v1.0.0
[INFO] [stderr]   Downloaded aes v0.7.4
[INFO] [stderr]   Downloaded blake2 v0.9.0
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.19
[INFO] [stderr]   Downloaded minicbor v0.8.0
[INFO] [stderr]   Downloaded once_cell v1.6.0
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded predicates-core v1.0.0
[INFO] [stderr]   Downloaded pin-project-internal v0.4.23
[INFO] [stderr]   Downloaded ghash v0.4.3
[INFO] [stderr]   Downloaded multimap v0.8.1
[INFO] [stderr]   Downloaded soketto v0.4.1
[INFO] [stderr]   Downloaded tap v1.0.0
[INFO] [stderr]   Downloaded shlex v1.0.0
[INFO] [stderr]   Downloaded pin-project v0.4.23
[INFO] [stderr]   Downloaded femme v2.1.1
[INFO] [stderr]   Downloaded tikv-jemalloc-sys v0.4.2+5.2.1-patched.2
[INFO] [stderr]   Downloaded tracing-core v0.1.20
[INFO] [stderr]   Downloaded tracing-attributes v0.1.16
[INFO] [stderr]   Downloaded jsonrpsee-ws-client v0.3.0
[INFO] [stderr]   Downloaded names v0.12.0
[INFO] [stderr]   Downloaded tikv-jemallocator v0.4.1
[INFO] [stderr]   Downloaded parity-util-mem v0.10.2
[INFO] [stderr]   Downloaded libgit2-sys v0.12.23+1.2.0
[INFO] [stderr]   Downloaded color-eyre v0.5.11
[INFO] [stderr]   Downloaded poly1305 v0.7.1
[INFO] [stderr]   Downloaded web-sys v0.3.46
[INFO] [stderr]   Downloaded errno v0.2.5
[INFO] [stderr]   Downloaded pwasm-utils v0.18.0
[INFO] [stderr]   Downloaded async-attributes v1.1.2
[INFO] [stderr]   Downloaded target-lexicon v0.12.0
[INFO] [stderr]   Downloaded integer-sqrt v0.1.3
[INFO] [stderr]   Downloaded adler v0.2.2
[INFO] [stderr]   Downloaded ethereum-types v0.12.0
[INFO] [stderr]   Downloaded ethbloom v0.11.0
[INFO] [stderr]   Downloaded zeroize_derive v1.0.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded handlebars v3.5.1
[INFO] [stderr]   Downloaded always-assert v0.1.2
[INFO] [stderr]   Downloaded cfg_aliases v0.1.1
[INFO] [stderr]   Downloaded ordered-float v1.1.0
[INFO] [stderr]   Downloaded fs-err v2.5.0
[INFO] [stderr]   Downloaded static_init v0.5.2
[INFO] [stderr]   Downloaded ckb-merkle-mountain-range v0.3.1
[INFO] [stderr]   Downloaded enumn v0.1.3
[INFO] [stderr]   Downloaded jsonrpsee-proc-macros v0.3.0
[INFO] [stderr]   Downloaded beef v0.5.0
[INFO] [stderr]   Downloaded aes-gcm v0.9.3
[INFO] [stderr]   Downloaded async-process v1.1.0
[INFO] [stderr]   Downloaded flate2 v1.0.16
[INFO] [stderr]   Downloaded instant v0.1.6
[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f7de7fe06ca3d1007f5bbaff8749fa2196cf2cef4a334745a219567ce878b06
[INFO] running `Command { std: "docker" "start" "-a" "7f7de7fe06ca3d1007f5bbaff8749fa2196cf2cef4a334745a219567ce878b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f7de7fe06ca3d1007f5bbaff8749fa2196cf2cef4a334745a219567ce878b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7de7fe06ca3d1007f5bbaff8749fa2196cf2cef4a334745a219567ce878b06", kill_on_drop: false }`
[INFO] [stdout] 7f7de7fe06ca3d1007f5bbaff8749fa2196cf2cef4a334745a219567ce878b06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66a3a0a9fc27c5454df7efd19a33c20589db8a88167f5b0c39efb44c2e006b83
[INFO] running `Command { std: "docker" "start" "-a" "66a3a0a9fc27c5454df7efd19a33c20589db8a88167f5b0c39efb44c2e006b83", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking cpuid-bool v0.1.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking signature v1.1.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking arrayvec v0.7.0
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]     Checking sp-std v4.0.0-dev (https://github.com/paritytech/substrate?branch=master#04bb4e02)
[INFO] [stderr]    Compiling parity-util-mem v0.10.2
[INFO] [stderr]     Checking parity-wasm v0.42.2
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking environmental v1.1.3
[INFO] [stderr]     Checking dyn-clone v1.0.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]    Compiling tap v1.0.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling target-lexicon v0.12.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking asn1_der v0.7.4
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling wasmtime-cache v0.27.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.75
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling hex-literal v0.3.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.75
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking ip_network v0.4.0
[INFO] [stderr]     Checking integer-encoding v1.1.5
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]     Checking beefy-merkle-tree v0.1.0 (https://github.com/paritytech/grandpa-bridge-gadget?branch=master#71859649)
[INFO] [stderr]    Compiling fs-err v2.5.0
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking retain_mut v0.1.3
[INFO] [stderr]    Compiling bindgen v0.59.1
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]    Compiling sc-consensus-slots v0.10.0-dev (https://github.com/paritytech/substrate?branch=master#04bb4e02)
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking always-assert v0.1.2
[INFO] [stderr]    Compiling names v0.12.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.76/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,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=e3448d6b7d101d33 -C extra-filename=-e3448d6b7d101d33 --out-dir /opt/rustwide/target/debug/build/syn-e3448d6b7d101d33 -L dependency=/opt/rustwide/target/debug/deps --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" "66a3a0a9fc27c5454df7efd19a33c20589db8a88167f5b0c39efb44c2e006b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a3a0a9fc27c5454df7efd19a33c20589db8a88167f5b0c39efb44c2e006b83", kill_on_drop: false }`
[INFO] [stdout] 66a3a0a9fc27c5454df7efd19a33c20589db8a88167f5b0c39efb44c2e006b83