[INFO] cloning repository https://github.com/migrenaa/substrate-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/migrenaa/substrate-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmigrenaa%2Fsubstrate-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmigrenaa%2Fsubstrate-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6572fb6e4b1368b0197d6e125b136bb935de325e
[INFO] testing migrenaa/substrate-playground against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmigrenaa%2Fsubstrate-playground" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/migrenaa/substrate-playground on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/migrenaa/substrate-playground
[INFO] finished tweaking git repo https://github.com/migrenaa/substrate-playground
[INFO] tweaked toml for git repo https://github.com/migrenaa/substrate-playground written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/migrenaa/substrate-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trie-db v0.22.2
[INFO] [stderr]   Downloaded sp-tracing v2.0.1
[INFO] [stderr]   Downloaded sc-executor-wasmtime v0.8.1
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[INFO] [stderr]   Downloaded curve25519-dalek v3.0.2
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[INFO] [stderr]   Downloaded sp-allocator v2.0.1
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[INFO] [stderr]   Downloaded pallet-sudo v2.0.1
[INFO] [stderr]   Downloaded sc-rpc-api v0.8.1
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[INFO] [stderr]   Downloaded sp-serializer v2.0.1
[INFO] [stderr]   Downloaded sc-network v0.8.1
[INFO] [stderr]   Downloaded prost v0.6.1
[INFO] [stderr]   Downloaded sp-keyring v2.0.1
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[INFO] [stderr]   Downloaded sp-block-builder v2.0.1
[INFO] [stderr]   Downloaded frame-executive v2.0.1
[INFO] [stderr]   Downloaded wat v1.0.32
[INFO] [stderr]   Downloaded pallet-randomness-collective-flip v2.0.1
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[INFO] [stderr]   Downloaded sc-proposer-metrics v0.8.1
[INFO] [stderr]   Downloaded pallet-transaction-payment-rpc v2.0.1
[INFO] [stderr]   Downloaded bip39 v0.6.0-beta.1
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[INFO] [stderr]   Downloaded platforms v0.2.1
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[INFO] [stderr]   Downloaded sp-utils v2.0.1
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[INFO] [stderr]   Downloaded sp-inherents v2.0.1
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[INFO] [stderr]   Downloaded sp-runtime v2.0.1
[INFO] [stderr]   Downloaded futures-macro v0.3.11
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[INFO] [stderr]   Downloaded libp2p-mdns v0.22.0
[INFO] [stderr]   Downloaded sp-state-machine v0.8.1
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[INFO] [stderr]   Downloaded primitive-types v0.7.3
[INFO] [stderr]   Downloaded bindgen v0.54.0
[INFO] [stderr]   Downloaded sc-chain-spec-derive v2.0.1
[INFO] [stderr]   Downloaded sc-state-db v0.8.1
[INFO] [stderr]   Downloaded sc-client-db v0.8.1
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[INFO] [stderr]   Downloaded sc-light v2.0.1
[INFO] [stderr]   Downloaded sp-io v2.0.1
[INFO] [stderr]   Downloaded sc-basic-authorship v0.8.1
[INFO] [stderr]   Downloaded sc-consensus-slots v0.8.1
[INFO] [stderr]   Downloaded sc-finality-grandpa v0.8.1
[INFO] [stderr]   Downloaded sp-api v2.0.1
[INFO] [stderr]   Downloaded fs-swap v0.2.5
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.9.1
[INFO] [stderr]   Downloaded sp-std v2.0.1
[INFO] [stderr]   Downloaded wasmtime-profiling v0.19.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.66.0
[INFO] [stderr]   Downloaded yamux v0.8.0
[INFO] [stderr]   Downloaded once_cell v0.1.8
[INFO] [stderr]   Downloaded sc-executor v0.8.1
[INFO] [stderr]   Downloaded sc-cli v0.8.1
[INFO] [stderr]   Downloaded sp-consensus-slots v0.8.1
[INFO] [stderr]   Downloaded wasmtime-obj v0.19.0
[INFO] [stderr]   Downloaded sc-client-api v2.0.1
[INFO] [stderr]   Downloaded wast v31.0.0
[INFO] [stderr]   Downloaded sc-telemetry v2.0.1
[INFO] [stderr]   Downloaded sp-chain-spec v2.0.1
[INFO] [stderr]   Downloaded wasmparser v0.59.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.19.0
[INFO] [stderr]   Downloaded arc-swap v1.2.0
[INFO] [stderr]   Downloaded sp-rpc v2.0.1
[INFO] [stderr]   Downloaded sp-authorship v2.0.1
[INFO] [stderr]   Downloaded statrs v0.10.0
[INFO] [stderr]   Downloaded sp-finality-grandpa v2.0.1
[INFO] [stderr]   Downloaded sp-session v2.0.1
[INFO] [stderr]   Downloaded frame-benchmarking v2.0.1
[INFO] [stderr]   Downloaded pallet-transaction-payment v2.0.1
[INFO] [stderr]   Downloaded sp-offchain v2.0.1
[INFO] [stderr]   Downloaded atomic v0.4.6
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.2.2
[INFO] [stderr]   Downloaded libp2p-gossipsub v0.22.0
[INFO] [stderr]   Downloaded slog-scope v4.4.0
[INFO] [stderr]   Downloaded finality-grandpa v0.12.3
[INFO] [stderr]   Downloaded libp2p-core-derive v0.20.2
[INFO] [stderr]   Downloaded lru_time_cache v0.10.0
[INFO] [stderr]   Downloaded libp2p-ping v0.22.0
[INFO] [stderr]   Downloaded get_if_addrs-sys v0.1.1
[INFO] [stderr]   Downloaded libp2p-uds v0.22.0
[INFO] [stderr]   Downloaded async-tls v0.8.0
[INFO] [stderr]   Downloaded libp2p v0.28.1
[INFO] [stderr]   Downloaded sp-core v2.0.1
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.6
[INFO] [stderr]   Downloaded libp2p-deflate v0.22.0
[INFO] [stderr]   Downloaded multistream-select v0.8.5
[INFO] [stderr]   Downloaded prost-derive v0.6.1
[INFO] [stderr]   Downloaded libp2p-core v0.22.1
[INFO] [stderr]   Downloaded libp2p-yamux v0.25.0
[INFO] [stderr]   Downloaded prost-types v0.6.1
[INFO] [stderr]   Downloaded async-std v1.8.0
[INFO] [stderr]   Downloaded sp-consensus v0.8.1
[INFO] [stderr]   Downloaded sp-trie v2.0.1
[INFO] [stderr]   Downloaded regalloc v0.0.27
[INFO] [stderr]   Downloaded substrate-prometheus-endpoint v0.8.1
[INFO] [stderr]   Downloaded frame-support-procedural v2.0.1
[INFO] [stderr]   Downloaded parity-util-mem v0.7.0
[INFO] [stderr]   Downloaded sp-externalities v0.8.1
[INFO] [stderr]   Downloaded frame-system-benchmarking v2.0.1
[INFO] [stderr]   Downloaded frame-system-rpc-runtime-api v2.0.1
[INFO] [stderr]   Downloaded hex-literal v0.3.1
[INFO] [stderr]   Downloaded pallet-aura v2.0.1
[INFO] [stderr]   Downloaded pallet-balances v2.0.1
[INFO] [stderr]   Downloaded sp-finality-tracker v2.0.1
[INFO] [stderr]   Downloaded pallet-finality-tracker v2.0.1
[INFO] [stderr]   Downloaded pallet-grandpa v2.0.1
[INFO] [stderr]   Downloaded linregress v0.1.7
[INFO] [stderr]   Downloaded pallet-timestamp v2.0.1
[INFO] [stderr]   Downloaded sp-timestamp v2.0.1
[INFO] [stderr]   Downloaded sp-consensus-aura v0.8.1
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[INFO] [stderr]   Downloaded sp-staking v2.0.1
[INFO] [stderr]   Downloaded const-random v0.1.13
[INFO] [stderr]   Downloaded ahash v0.2.19
[INFO] [stderr]   Downloaded libp2p-dns v0.22.0
[INFO] [stderr]   Downloaded libp2p-kad v0.23.0
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[INFO] [stderr]   Downloaded libp2p-plaintext v0.22.0
[INFO] [stderr]   Downloaded libp2p-identify v0.22.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.22.0
[INFO] [stderr]   Downloaded libp2p-noise v0.24.0
[INFO] [stderr]   Downloaded minicbor v0.5.1
[INFO] [stderr]   Downloaded lru v0.6.3
[INFO] [stderr]   Downloaded libp2p-swarm v0.22.0
[INFO] [stderr]   Downloaded minicbor-derive v0.4.1
[INFO] [stderr]   Downloaded webpki-roots v0.18.0
[INFO] [stderr]   Downloaded c_linked_list v1.1.1
[INFO] [stderr]   Downloaded get_if_addrs v0.5.3
[INFO] [stderr]   Downloaded libp2p-tcp v0.22.0
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[INFO] [stderr]   Downloaded sc-executor-common v0.8.1
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[INFO] [stderr]   Downloaded sp-api-proc-macro v2.0.1
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[INFO] [stderr]   Downloaded pin-project-internal v1.0.4
[INFO] [stderr]   Downloaded futures-channel v0.3.11
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded bitmask v0.5.0
[INFO] [stderr]   Downloaded sc-rpc v2.0.1
[INFO] [stderr]   Downloaded kvdb v0.7.0
[INFO] [stderr]   Downloaded sp-blockchain v2.0.1
[INFO] [stderr]   Downloaded sc-keystore v2.0.1
[INFO] [stderr]   Downloaded sc-service v0.8.1
[INFO] [stderr]   Downloaded sc-transaction-pool v2.0.1
[INFO] [stderr]   Downloaded sp-database v2.0.1
[INFO] [stderr]   Downloaded cargo_metadata v0.12.2
[INFO] [stderr]   Downloaded sc-transaction-graph v2.0.1
[INFO] [stderr]   Downloaded sp-transaction-pool v2.0.1
[INFO] [stderr]   Downloaded substrate-wasm-builder v3.0.0
[INFO] [stderr]   Downloaded frame-metadata v12.0.1
[INFO] [stderr]   Downloaded frame-system v2.0.1
[INFO] [stderr]   Downloaded sc-tracing v2.0.1
[INFO] [stderr]   Downloaded substrate-build-script-utils v2.0.1
[INFO] [stderr]   Downloaded frame-support-procedural-tools v2.0.1
[INFO] [stderr]   Downloaded sc-executor-wasmi v0.8.1
[INFO] [stderr]   Downloaded raw-cpuid v7.0.4
[INFO] [stderr]   Downloaded frame-support-procedural-tools-derive v2.0.1
[INFO] [stderr]   Downloaded sp-arithmetic v2.0.1
[INFO] [stderr]   Downloaded wasmtime-jit v0.19.0
[INFO] [stderr]   Downloaded sp-application-crypto v2.0.1
[INFO] [stderr]   Downloaded memory-db v0.24.1
[INFO] [stderr]   Downloaded sp-panic-handler v2.0.1
[INFO] [stderr]   Downloaded futures-util v0.3.11
[INFO] [stderr]   Downloaded cranelift-bforest v0.66.0
[INFO] [stderr]   Downloaded cranelift-entity v0.66.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.66.0
[INFO] [stderr]   Downloaded futures-executor v0.3.11
[INFO] [stderr]   Downloaded ed25519 v1.0.3
[INFO] [stderr]   Downloaded futures-io v0.3.11
[INFO] [stderr]   Downloaded fixed-hash v0.6.1
[INFO] [stderr]   Downloaded environmental v1.1.2
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.2
[INFO] [stderr]   Downloaded cranelift-frontend v0.66.0
[INFO] [stderr]   Downloaded thread_local v1.1.0
[INFO] [stderr]   Downloaded tiny-bip39 v0.7.3
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v2.0.1
[INFO] [stderr]   Downloaded sp-runtime-interface v2.0.1
[INFO] [stderr]   Downloaded sp-debug-derive v2.0.1
[INFO] [stderr]   Downloaded sp-storage v2.0.1
[INFO] [stderr]   Downloaded zeroize_derive v1.0.1
[INFO] [stderr]   Downloaded zeroize v1.2.0
[INFO] [stderr]   Downloaded sp-wasm-interface v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0cee3a971889af02434d40973c4a5868bc6d4f7e984ff83216df3ab5ce7316a7
[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" "0cee3a971889af02434d40973c4a5868bc6d4f7e984ff83216df3ab5ce7316a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cee3a971889af02434d40973c4a5868bc6d4f7e984ff83216df3ab5ce7316a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cee3a971889af02434d40973c4a5868bc6d4f7e984ff83216df3ab5ce7316a7", kill_on_drop: false }`
[INFO] [stdout] 0cee3a971889af02434d40973c4a5868bc6d4f7e984ff83216df3ab5ce7316a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+beta-2021-08-01" "build" "--frozen" "--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] 3f0186d02bcec5c700e60411944d378f4c19ff6ecc4c109cbd9c4fd692482b1b
[INFO] running `Command { std: "docker" "start" "-a" "3f0186d02bcec5c700e60411944d378f4c19ff6ecc4c109cbd9c4fd692482b1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling futures-core v0.3.11
[INFO] [stderr]    Compiling futures-io v0.3.11
[INFO] [stderr]    Compiling futures-sink v0.3.11
[INFO] [stderr]    Compiling sp-std v2.0.1
[INFO] [stderr]    Compiling arc-swap v1.2.0
[INFO] [stderr]    Compiling retain_mut v0.1.2
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.1
[INFO] [stderr]    Compiling parity-wasm v0.32.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling blake2s_simd v0.5.11
[INFO] [stderr]    Compiling blake2b_simd v0.5.11
[INFO] [stderr]    Compiling ed25519 v1.0.3
[INFO] [stderr]    Compiling dns-parser v0.8.0
[INFO] [stderr]    Compiling wast v31.0.0
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.1
[INFO] [stderr]    Compiling lru v0.6.3
[INFO] [stderr]    Compiling futures-channel v0.3.11
[INFO] [stderr]    Compiling quicksink v0.1.2
[INFO] [stderr]    Compiling async-channel v1.5.1
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sha2 v0.9.2
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling aes-soft v0.5.0
[INFO] [stderr]    Compiling node-template v2.0.1 (/opt/rustwide/workdir/node)
[INFO] [stderr]    Compiling blake2 v0.9.1
[INFO] [stderr]    Compiling tokio-executor v0.2.0-alpha.6
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling trie-db v0.22.2
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling regalloc v0.0.27
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling pwasm-utils v0.14.0
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling aes v0.5.0
[INFO] [stderr]    Compiling wasm-gc-api v0.1.11
[INFO] [stderr]    Compiling aes-gcm v0.7.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling wasmi v0.6.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling errno v0.2.7
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling fs-swap v0.2.5
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling fdlimit v0.2.1
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling rpassword v4.0.5
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.58/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="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=4bbb802625534b02 -C extra-filename=-4bbb802625534b02 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-169dfcc015ef5b16.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7cdfb425d4dd9b4b.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-62645fc4c65f65ba.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (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" "3f0186d02bcec5c700e60411944d378f4c19ff6ecc4c109cbd9c4fd692482b1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f0186d02bcec5c700e60411944d378f4c19ff6ecc4c109cbd9c4fd692482b1b", kill_on_drop: false }`
[INFO] [stdout] 3f0186d02bcec5c700e60411944d378f4c19ff6ecc4c109cbd9c4fd692482b1b
