[INFO] cloning repository https://github.com/zachanon/substrate-node-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zachanon/substrate-node-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachanon%2Fsubstrate-node-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachanon%2Fsubstrate-node-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8505f9a7e5b553ff33e44c4d8a14e9a63433c1c6
[INFO] checking zachanon/substrate-node-playground against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzachanon%2Fsubstrate-node-playground" "/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/zachanon/substrate-node-playground on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zachanon/substrate-node-playground
[INFO] finished tweaking git repo https://github.com/zachanon/substrate-node-playground
[INFO] tweaked toml for git repo https://github.com/zachanon/substrate-node-playground written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/zachanon/substrate-node-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pwasm-utils v0.18.1
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0302782848f57829e89c9522d3aeaae64e183506fb9706fefeb5ddd7a4828826
[INFO] running `Command { std: "docker" "start" "-a" "0302782848f57829e89c9522d3aeaae64e183506fb9706fefeb5ddd7a4828826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0302782848f57829e89c9522d3aeaae64e183506fb9706fefeb5ddd7a4828826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0302782848f57829e89c9522d3aeaae64e183506fb9706fefeb5ddd7a4828826", kill_on_drop: false }`
[INFO] [stdout] 0302782848f57829e89c9522d3aeaae64e183506fb9706fefeb5ddd7a4828826
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d02674acae1647a1b72c4505a4ea258b2233f654e8e582fb14921742e797e58f
[INFO] running `Command { std: "docker" "start" "-a" "d02674acae1647a1b72c4505a4ea258b2233f654e8e582fb14921742e797e58f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking byte-slice-cast v1.0.0
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling parity-util-mem v0.9.0
[INFO] [stderr]     Checking sp-std v3.0.0 (https://github.com/paritytech/substrate.git?rev=d6c33e7ec313f9bd5e319dc0a5a3ace5543f9617#d6c33e7e)
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]     Checking parity-wasm v0.42.2
[INFO] [stderr]    Compiling zstd-safe v3.0.1+zstd.1.4.9
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking environmental v1.1.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking asn1_der v0.7.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking fastrand v1.4.1
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling bumpalo v3.7.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]    Compiling prometheus v0.11.0
[INFO] [stderr]    Compiling target-lexicon v0.12.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking wasmparser v0.78.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling wasmtime-cache v0.27.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling bindgen v0.57.0
[INFO] [stderr]     Checking base-x v0.2.8
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]    Compiling sc-consensus-slots v0.9.0 (https://github.com/paritytech/substrate.git?rev=d6c33e7ec313f9bd5e319dc0a5a3ace5543f9617#d6c33e7e)
[INFO] [stderr]     Checking retain_mut v0.1.3
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling platforms v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling atomic v0.5.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking ed25519 v1.1.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling cpp_demangle v0.3.2
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking wast v36.0.0
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking lru v0.6.5
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling parity-wasm v0.32.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking wasmi-validation v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking uint v0.9.0
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/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="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=cfec10257cbd629b -C extra-filename=-cfec10257cbd629b --out-dir /opt/rustwide/target/debug/deps -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" "d02674acae1647a1b72c4505a4ea258b2233f654e8e582fb14921742e797e58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d02674acae1647a1b72c4505a4ea258b2233f654e8e582fb14921742e797e58f", kill_on_drop: false }`
[INFO] [stdout] d02674acae1647a1b72c4505a4ea258b2233f654e8e582fb14921742e797e58f