[INFO] cloning repository https://github.com/vagmi/utxo-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vagmi/utxo-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvagmi%2Futxo-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvagmi%2Futxo-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b33c0250e20ee2c352f7bd3963532ad804443fdd
[INFO] testing vagmi/utxo-workshop against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvagmi%2Futxo-workshop" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vagmi/utxo-workshop on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vagmi/utxo-workshop
[INFO] finished tweaking git repo https://github.com/vagmi/utxo-workshop
[INFO] tweaked toml for git repo https://github.com/vagmi/utxo-workshop written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vagmi/utxo-workshop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded substrate-build-script-utils v2.0.0
[INFO] [stderr]   Downloaded platforms v0.2.1
[INFO] [stderr]   Downloaded zstd-safe v2.0.5+zstd.1.4.5
[INFO] [stderr]   Downloaded sc-network v0.8.0
[INFO] [stderr]   Downloaded security-framework-sys v1.0.0
[INFO] [stderr]   Downloaded sc-client-db v0.8.0
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.65
[INFO] [stderr]   Downloaded pallet-timestamp v2.0.0
[INFO] [stderr]   Downloaded futures-diagnose v1.0.1
[INFO] [stderr]   Downloaded bs58 v0.3.1
[INFO] [stderr]   Downloaded lru v0.6.0
[INFO] [stderr]   Downloaded unsigned-varint v0.5.1
[INFO] [stderr]   Downloaded libp2p-swarm v0.22.0
[INFO] [stderr]   Downloaded salsa20 v0.3.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.4.0
[INFO] [stderr]   Downloaded parity-db v0.1.2
[INFO] [stderr]   Downloaded environmental v1.1.1
[INFO] [stderr]   Downloaded concurrent-queue v1.1.2
[INFO] [stderr]   Downloaded ahash v0.2.18
[INFO] [stderr]   Downloaded statrs v0.10.0
[INFO] [stderr]   Downloaded sc-telemetry v2.0.0
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.4
[INFO] [stderr]   Downloaded jsonrpc-client-transports v15.0.0
[INFO] [stderr]   Downloaded sc-transaction-pool v2.0.0
[INFO] [stderr]   Downloaded zstd v0.5.3+zstd.1.4.5
[INFO] [stderr]   Downloaded wasmtime v0.19.0
[INFO] [stderr]   Downloaded integer-sqrt v0.1.3
[INFO] [stderr]   Downloaded libp2p-request-response v0.3.0
[INFO] [stderr]   Downloaded sp-rpc v2.0.0
[INFO] [stderr]   Downloaded jsonrpc-core-client v15.0.0
[INFO] [stderr]   Downloaded jsonrpc-derive v15.0.0
[INFO] [stderr]   Downloaded sp-finality-tracker v2.0.0
[INFO] [stderr]   Downloaded frame-system-rpc-runtime-api v2.0.0
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded schnorrkel v0.9.1
[INFO] [stderr]   Downloaded hashbrown v0.8.1
[INFO] [stderr]   Downloaded web-sys v0.3.42
[INFO] [stderr]   Downloaded sharded-slab v0.0.9
[INFO] [stderr]   Downloaded file-per-thread-logger v0.1.3
[INFO] [stderr]   Downloaded async-std v1.6.2
[INFO] [stderr]   Downloaded minicbor v0.5.1
[INFO] [stderr]   Downloaded substrate-wasm-builder-runner v2.0.0
[INFO] [stderr]   Downloaded frame-system v2.0.0
[INFO] [stderr]   Downloaded quicksink v0.1.2
[INFO] [stderr]   Downloaded ref-cast v1.0.2
[INFO] [stderr]   Downloaded sp-chain-spec v2.0.0
[INFO] [stderr]   Downloaded frame-system-benchmarking v2.0.0
[INFO] [stderr]   Downloaded sc-rpc-api v0.8.0
[INFO] [stderr]   Downloaded webpki-roots v0.19.0
[INFO] [stderr]   Downloaded pallet-authorship v2.0.0
[INFO] [stderr]   Downloaded nalgebra v0.18.1
[INFO] [stderr]   Downloaded sp-storage v2.0.0
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.0
[INFO] [stderr]   Downloaded syn v1.0.36
[INFO] [stderr]   Downloaded hex-literal v0.3.1
[INFO] [stderr]   Downloaded pallet-randomness-collective-flip v2.0.0
[INFO] [stderr]   Downloaded sp-tracing v2.0.0
[INFO] [stderr]   Downloaded wasm-timer v0.2.4
[INFO] [stderr]   Downloaded dyn-clone v1.0.2
[INFO] [stderr]   Downloaded sp-panic-handler v2.0.0
[INFO] [stderr]   Downloaded hmac-drbg v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.73
[INFO] [stderr]   Downloaded wasmi-validation v0.3.0
[INFO] [stderr]   Downloaded wasmtime-environ v0.19.0
[INFO] [stderr]   Downloaded wasmtime-runtime v0.19.0
[INFO] [stderr]   Downloaded strum_macros v0.16.0
[INFO] [stderr]   Downloaded alga v0.9.3
[INFO] [stderr]   Downloaded libp2p-core-derive v0.20.2
[INFO] [stderr]   Downloaded sp-block-builder v2.0.0
[INFO] [stderr]   Downloaded libp2p-ping v0.22.0
[INFO] [stderr]   Downloaded libp2p-plaintext v0.22.0
[INFO] [stderr]   Downloaded salsa20-core v0.2.3
[INFO] [stderr]   Downloaded libp2p-pnet v0.19.1
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.22.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.0
[INFO] [stderr]   Downloaded frame-metadata v12.0.0
[INFO] [stderr]   Downloaded frame-support-procedural v2.0.0
[INFO] [stderr]   Downloaded sp-inherents v2.0.0
[INFO] [stderr]   Downloaded sp-externalities v0.8.0
[INFO] [stderr]   Downloaded chrono v0.4.13
[INFO] [stderr]   Downloaded nohash-hasher v0.2.0
[INFO] [stderr]   Downloaded parity-util-mem-derive v0.1.0
[INFO] [stderr]   Downloaded substrate-bip39 v0.4.2
[INFO] [stderr]   Downloaded sp-core v2.0.0
[INFO] [stderr]   Downloaded rayon v1.3.1
[INFO] [stderr]   Downloaded wasmparser v0.57.0
[INFO] [stderr]   Downloaded libp2p-uds v0.22.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.22.0
[INFO] [stderr]   Downloaded async-tls v0.8.0
[INFO] [stderr]   Downloaded rustls v0.18.0
[INFO] [stderr]   Downloaded fastrand v1.3.3
[INFO] [stderr]   Downloaded waker-fn v1.0.0
[INFO] [stderr]   Downloaded minicbor-derive v0.4.1
[INFO] [stderr]   Downloaded async-channel v1.1.1
[INFO] [stderr]   Downloaded blocking v0.4.7
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.15
[INFO] [stderr]   Downloaded js-sys v0.3.42
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.65
[INFO] [stderr]   Downloaded sp-consensus v0.8.0
[INFO] [stderr]   Downloaded kvdb v0.7.0
[INFO] [stderr]   Downloaded sp-database v2.0.0
[INFO] [stderr]   Downloaded sp-blockchain v2.0.0
[INFO] [stderr]   Downloaded frame-support-procedural-tools-derive v2.0.0
[INFO] [stderr]   Downloaded frame-support-procedural-tools v2.0.0
[INFO] [stderr]   Downloaded sp-arithmetic v2.0.0
[INFO] [stderr]   Downloaded rw-stream-sink v0.2.1
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.6
[INFO] [stderr]   Downloaded smol v0.1.18
[INFO] [stderr]   Downloaded substrate-prometheus-endpoint v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.65
[INFO] [stderr]   Downloaded sp-application-crypto v2.0.0
[INFO] [stderr]   Downloaded sp-state-machine v0.8.0
[INFO] [stderr]   Downloaded memory-db v0.24.1
[INFO] [stderr]   Downloaded signature v1.1.0
[INFO] [stderr]   Downloaded hash256-std-hasher v0.15.2
[INFO] [stderr]   Downloaded parity-util-mem v0.7.0
[INFO] [stderr]   Downloaded uint v0.8.3
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v2.0.0
[INFO] [stderr]   Downloaded tracing-log v0.1.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.11
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.2
[INFO] [stderr]   Downloaded merlin v2.0.0
[INFO] [stderr]   Downloaded indexmap v1.5.0
[INFO] [stderr]   Downloaded tiny-bip39 v0.7.3
[INFO] [stderr]   Downloaded zeroize_derive v1.0.0
[INFO] [stderr]   Downloaded trie-root v0.16.0
[INFO] [stderr]   Downloaded sp-trie v2.0.0
[INFO] [stderr]   Downloaded impl-trait-for-tuples v0.1.3
[INFO] [stderr]   Downloaded tracing-core v0.1.16
[INFO] [stderr]   Downloaded parity-wasm v0.41.0
[INFO] [stderr]   Downloaded wasmi v0.6.2
[INFO] [stderr]   Downloaded tokio-sync v0.2.0-alpha.6
[INFO] [stderr]   Downloaded tokio-executor v0.2.0-alpha.6
[INFO] [stderr]   Downloaded rpassword v4.0.5
[INFO] [stderr]   Downloaded sc-finality-grandpa v0.8.0
[INFO] [stderr]   Downloaded sc-chain-spec v2.0.0
[INFO] [stderr]   Downloaded kvdb-memorydb v0.7.0
[INFO] [stderr]   Downloaded kvdb-rocksdb v0.9.1
[INFO] [stderr]   Downloaded sc-light v2.0.0
[INFO] [stderr]   Downloaded wast v21.0.0
[INFO] [stderr]   Downloaded tokio-rustls v0.14.0
[INFO] [stderr]   Downloaded cranelift-entity v0.66.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.66.0
[INFO] [stderr]   Downloaded ip_network v0.3.4
[INFO] [stderr]   Downloaded sc-block-builder v0.8.0
[INFO] [stderr]   Downloaded regalloc v0.0.27
[INFO] [stderr]   Downloaded sc-rpc v2.0.0
[INFO] [stderr]   Downloaded jsonrpc-http-server v15.0.0
[INFO] [stderr]   Downloaded sc-rpc-server v2.0.0
[INFO] [stderr]   Downloaded sc-service v0.8.0
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded wasmparser v0.59.0
[INFO] [stderr]   Downloaded sc-executor v0.8.0
[INFO] [stderr]   Downloaded safe-mix v1.0.1
[INFO] [stderr]   Downloaded sp-allocator v2.0.0
[INFO] [stderr]   Downloaded raw-cpuid v7.0.3
[INFO] [stderr]   Downloaded sp-io v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8edebdce419ae4fb72cdc15a167b815acd59ce276a7edd2a6726478eba22605f
[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" "8edebdce419ae4fb72cdc15a167b815acd59ce276a7edd2a6726478eba22605f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8edebdce419ae4fb72cdc15a167b815acd59ce276a7edd2a6726478eba22605f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8edebdce419ae4fb72cdc15a167b815acd59ce276a7edd2a6726478eba22605f", kill_on_drop: false }`
[INFO] [stdout] 8edebdce419ae4fb72cdc15a167b815acd59ce276a7edd2a6726478eba22605f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c593e5c479cadea0ffa0e269a0bd9166e24c87983fc4d86034beda4b1538fe59
[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" "c593e5c479cadea0ffa0e269a0bd9166e24c87983fc4d86034beda4b1538fe59", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling parity-util-mem v0.7.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.65
[INFO] [stderr]    Compiling wasm-bindgen v0.2.65
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling event-listener v2.2.1
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v2.0.0
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling tracing-core v0.1.16
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling sharded-slab v0.0.9
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling quicksink v0.1.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling instant v0.1.7
[INFO] [stderr]    Compiling concurrent-queue v1.1.2
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling utxo-runtime v2.0.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[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 v0.2.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling fs-swap v0.2.4
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling rpassword v4.0.5
[INFO] [stderr]    Compiling fdlimit v0.2.0
[INFO] [stderr]    Compiling futures-lite v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling async-channel v1.1.1
[INFO] [stderr]    Compiling snow v0.7.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling tracing-log v0.1.1
[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 want v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling utxo-node v2.0.0 (/opt/rustwide/workdir/node)
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr] error: failed to run custom build command for `utxo-runtime v2.0.0 (/opt/rustwide/workdir/runtime)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/utxo-runtime-2b21e668ff1c2a5c/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]       Updating crates.io index
[INFO] [stderr]   warning: spurious network error (2 tries remaining): failed to resolve address for github.com: Temporary failure in name resolution; class=Net (12)
[INFO] [stderr]   warning: spurious network error (1 tries remaining): failed to resolve address for github.com: Temporary failure in name resolution; class=Net (12)
[INFO] [stderr]   error: failed to get `substrate-wasm-builder` as a dependency of package `wasm-build-runner-impl v1.0.0 (/opt/rustwide/target/debug/wbuild-runner/utxo-runtime10426786226377072483)`
[INFO] [stderr] 
[INFO] [stderr]   Caused by:
[INFO] [stderr]     failed to load source for dependency `substrate-wasm-builder`
[INFO] [stderr] 
[INFO] [stderr]   Caused by:
[INFO] [stderr]     Unable to update registry `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] 
[INFO] [stderr]   Caused by:
[INFO] [stderr]     failed to fetch `https://github.com/rust-lang/crates.io-index`
[INFO] [stderr] 
[INFO] [stderr]   Caused by:
[INFO] [stderr]     network failure seems to have happened
[INFO] [stderr]     if a proxy or similar is necessary `net.git-fetch-with-cli` may help here
[INFO] [stderr]     https://doc.rust-lang.org/cargo/reference/config.html#netgit-fetch-with-cli
[INFO] [stderr] 
[INFO] [stderr]   Caused by:
[INFO] [stderr]     failed to resolve address for github.com: Temporary failure in name resolution; class=Net (12)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c593e5c479cadea0ffa0e269a0bd9166e24c87983fc4d86034beda4b1538fe59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c593e5c479cadea0ffa0e269a0bd9166e24c87983fc4d86034beda4b1538fe59", kill_on_drop: false }`
[INFO] [stdout] c593e5c479cadea0ffa0e269a0bd9166e24c87983fc4d86034beda4b1538fe59