[INFO] cloning repository https://github.com/syuukawa/substrate-erc721
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/syuukawa/substrate-erc721" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuukawa%2Fsubstrate-erc721", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuukawa%2Fsubstrate-erc721'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72df12a29363712c829987aa434cb47d540c0626
[INFO] documenting syuukawa/substrate-erc721 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsyuukawa%2Fsubstrate-erc721" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/syuukawa/substrate-erc721 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/syuukawa/substrate-erc721
[INFO] finished tweaking git repo https://github.com/syuukawa/substrate-erc721
[INFO] tweaked toml for git repo https://github.com/syuukawa/substrate-erc721 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/syuukawa/substrate-erc721 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]     Updating git repository `https://github.com/paritytech/parity-common`
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/slog-async`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trie-root v0.15.2
[INFO] [stderr]   Downloaded byte-slice-cast v0.3.2
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.50
[INFO] [stderr]   Downloaded libp2p v0.12.0
[INFO] [stderr]   Downloaded heapsize v0.4.2
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.1
[INFO] [stderr]   Downloaded impl-serde v0.2.0
[INFO] [stderr]   Downloaded merlin v1.2.0
[INFO] [stderr]   Downloaded aio-limited v0.1.0
[INFO] [stderr]   Downloaded libp2p-swarm v0.2.0
[INFO] [stderr]   Downloaded unsigned-varint v0.2.2
[INFO] [stderr]   Downloaded sysinfo v0.9.4
[INFO] [stderr]   Downloaded libp2p-plaintext v0.12.0
[INFO] [stderr]   Downloaded web-sys v0.3.27
[INFO] [stderr]   Downloaded x25519-dalek v0.5.2
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.1
[INFO] [stderr]   Downloaded trie-db v0.15.2
[INFO] [stderr]   Downloaded wasm-timer v0.1.2
[INFO] [stderr]   Downloaded subtle v2.1.1
[INFO] [stderr]   Downloaded parity-multihash v0.1.3
[INFO] [stderr]   Downloaded quick-error v0.1.4
[INFO] [stderr]   Downloaded nohash-hasher v0.1.1
[INFO] [stderr]   Downloaded libsecp256k1 v0.2.2
[INFO] [stderr]   Downloaded yamux v0.2.1
[INFO] [stderr]   Downloaded slog-scope v4.1.2
[INFO] [stderr]   Downloaded asn1_der_derive v0.1.1
[INFO] [stderr]   Downloaded parity-util-mem v0.2.0
[INFO] [stderr]   Downloaded libp2p-ping v0.12.0
[INFO] [stderr]   Downloaded libp2p-secio v0.12.0
[INFO] [stderr]   Downloaded jsonrpc-derive v13.1.0
[INFO] [stderr]   Downloaded libp2p-tcp v0.12.0
[INFO] [stderr]   Downloaded libp2p-wasm-ext v0.5.0
[INFO] [stderr]   Downloaded target_info v0.1.0
[INFO] [stderr]   Downloaded jsonrpc-ws-server v13.1.0
[INFO] [stderr]   Downloaded libp2p-core-derive v0.12.0
[INFO] [stderr]   Downloaded rw-stream-sink v0.1.2
[INFO] [stderr]   Downloaded libp2p-uds v0.12.0
[INFO] [stderr]   Downloaded wasmi v0.5.0
[INFO] [stderr]   Downloaded libp2p-deflate v0.4.0
[INFO] [stderr]   Downloaded jsonrpc-server-utils v13.1.0
[INFO] [stderr]   Downloaded impl-serde v0.1.1
[INFO] [stderr]   Downloaded parity-scale-codec v1.0.5
[INFO] [stderr]   Downloaded jsonrpc-http-server v13.1.0
[INFO] [stderr]   Downloaded rocksdb v0.11.0
[INFO] [stderr]   Downloaded zeroize_derive v0.9.3
[INFO] [stderr]   Downloaded libp2p-identify v0.12.0
[INFO] [stderr]   Downloaded libp2p-noise v0.10.0
[INFO] [stderr]   Downloaded libp2p-mdns v0.12.0
[INFO] [stderr]   Downloaded slog_derive v0.1.1
[INFO] [stderr]   Downloaded jsonrpc-core-client v13.1.0
[INFO] [stderr]   Downloaded soketto v0.2.3
[INFO] [stderr]   Downloaded protobuf v2.8.0
[INFO] [stderr]   Downloaded libp2p-floodsub v0.12.0
[INFO] [stderr]   Downloaded ipnet v2.0.0
[INFO] [stderr]   Downloaded asn1_der v0.6.2
[INFO] [stderr]   Downloaded substrate-bip39 v0.3.1
[INFO] [stderr]   Downloaded libp2p-core v0.12.0
[INFO] [stderr]   Downloaded schnorrkel v0.8.5
[INFO] [stderr]   Downloaded libp2p-kad v0.12.0
[INFO] [stderr]   Downloaded librocksdb-sys v5.18.3
[INFO] [stderr]   Downloaded jsonrpc-client-transports v13.1.0
[INFO] [stderr]   Downloaded jsonrpc-pubsub v13.1.0
[INFO] [stderr]   Downloaded hashmap_core v0.1.11
[INFO] [stderr]   Downloaded exit-future v0.1.4
[INFO] [stderr]   Downloaded libp2p-ratelimit v0.12.0
[INFO] [stderr]   Downloaded environmental v1.0.1
[INFO] [stderr]   Downloaded safe-mix v1.0.0
[INFO] [stderr]   Downloaded substrate-wasm-builder-runner v1.0.3
[INFO] [stderr]   Downloaded futures-timer v0.2.1
[INFO] [stderr]   Downloaded libp2p-yamux v0.12.0
[INFO] [stderr]   Downloaded interleaved-ordered v0.1.1
[INFO] [stderr]   Downloaded fdlimit v0.1.1
[INFO] [stderr]   Downloaded tokio-dns-unofficial v0.4.0
[INFO] [stderr]   Downloaded rustc-hex v2.0.1
[INFO] [stderr]   Downloaded libp2p-dns v0.12.0
[INFO] [stderr]   Downloaded libp2p-mplex v0.12.0
[INFO] [stderr]   Downloaded snow v0.5.2
[INFO] [stderr]   Downloaded static_slice v0.0.3
[INFO] [stderr]   Downloaded bindgen v0.47.3
[INFO] [stderr]   Downloaded multistream-select v0.5.1
[INFO] [stderr]   Downloaded parity-multiaddr v0.5.0
[INFO] [stderr]   Downloaded elastic-array v0.10.2
[INFO] [stderr]   Downloaded libp2p-websocket v0.12.0
[INFO] [stderr]   Downloaded bs58 v0.2.5
[INFO] [stderr]   Downloaded hmac-drbg v0.1.2
[INFO] [stderr]   Downloaded memory-db v0.15.2
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.0
[INFO] [stderr]   Downloaded bitvec v0.14.0
[INFO] [stderr]   Downloaded primitive-types v0.5.0
[INFO] [stderr]   Downloaded impl-codec v0.4.0
[INFO] [stderr]   Downloaded tokio-rustls v0.10.0-alpha.4
[INFO] [stderr]   Downloaded fixed-hash v0.4.0
[INFO] [stderr]   Downloaded uint v0.8.1
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.3
[INFO] [stderr]   Downloaded parity-scale-codec-derive v1.0.2
[INFO] [stderr]   Downloaded jsonrpc-core v13.1.0
[INFO] [stderr]   Downloaded finality-grandpa v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d252e4a2f9b5f83a3a67288c959bc588e9a66ab7f5843642db90f5dbf8b4038a
[INFO] running `Command { std: "docker" "start" "-a" "d252e4a2f9b5f83a3a67288c959bc588e9a66ab7f5843642db90f5dbf8b4038a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d252e4a2f9b5f83a3a67288c959bc588e9a66ab7f5843642db90f5dbf8b4038a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d252e4a2f9b5f83a3a67288c959bc588e9a66ab7f5843642db90f5dbf8b4038a", kill_on_drop: false }`
[INFO] [stdout] d252e4a2f9b5f83a3a67288c959bc588e9a66ab7f5843642db90f5dbf8b4038a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTDOCFLAGS=--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" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 755587d8a36061f6749ba9f8f861c30c49c8af65d7b4ed316b664c179b88c00f
[INFO] running `Command { std: "docker" "start" "-a" "755587d8a36061f6749ba9f8f861c30c49c8af65d7b4ed316b664c179b88c00f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling subtle v2.1.1
[INFO] [stderr]     Checking constant_time_eq v0.1.4
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking rustc-hex v2.0.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]     Checking byte-slice-cast v0.3.2
[INFO] [stderr]     Checking bitvec v0.14.0
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]    Compiling protobuf v2.8.0
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking bs58 v0.2.5
[INFO] [stderr]     Checking environmental v1.0.1
[INFO] [stderr]     Checking integer-sqrt v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking quick-error v0.1.4
[INFO] [stderr]     Checking static_slice v0.0.3
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking nohash-hasher v0.1.1
[INFO] [stderr]     Checking ipnet v2.0.0
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking parity-bytes v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]     Checking indexmap v1.1.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling sysinfo v0.9.4
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.3
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]     Checking hashmap_core v0.1.11
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking trie-root v0.15.2
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling sr-std v2.0.0 (https://github.com/paritytech/substrate.git?rev=ac6a2a783f0e1f4a814cf2add40275730cd41be1#ac6a2a78)
[INFO] [stderr]    Compiling sr-io v2.0.0 (https://github.com/paritytech/substrate.git?rev=ac6a2a783f0e1f4a814cf2add40275730cd41be1#ac6a2a78)
[INFO] [stderr]    Compiling snow v0.5.2
[INFO] [stderr]    Compiling safe-mix v1.0.0
[INFO] [stderr]    Compiling hyper v0.12.34
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling hashbrown v0.6.0
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]    Compiling substrate-kitties-runtime v2.0.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking elastic-array v0.10.2
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking crypto-mac v0.4.0
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking uint v0.8.1
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling asn1_der_derive v0.1.1
[INFO] [stderr]    Compiling libp2p-core-derive v0.12.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling srml-support-procedural-tools-derive v2.0.0 (https://github.com/paritytech/substrate.git?rev=ac6a2a783f0e1f4a814cf2add40275730cd41be1#ac6a2a78)
[INFO] [stderr]    Compiling slog_derive v0.1.1
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking fs-swap v0.2.4
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking fdlimit v0.1.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking rpassword v3.0.2
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling cexpr v0.3.5
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking twofish v0.2.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking kvdb v0.1.0 (https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d#b0317f64)
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr] error: failed to run custom build command for `substrate-kitties-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/substrate-kitties-runtime-5ca5ac6d55a1de08/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/substrate-kitties-runtime)`
[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 `crates-io`
[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" "755587d8a36061f6749ba9f8f861c30c49c8af65d7b4ed316b664c179b88c00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "755587d8a36061f6749ba9f8f861c30c49c8af65d7b4ed316b664c179b88c00f", kill_on_drop: false }`
[INFO] [stdout] 755587d8a36061f6749ba9f8f861c30c49c8af65d7b4ed316b664c179b88c00f
