[INFO] cloning repository https://github.com/yxf/fawn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yxf/fawn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyxf%2Ffawn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyxf%2Ffawn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d1e92b6a955ac2414269a46b250b1e020667264
[INFO] checking yxf/fawn against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyxf%2Ffawn" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yxf/fawn on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yxf/fawn
[INFO] finished tweaking git repo https://github.com/yxf/fawn
[INFO] tweaked toml for git repo https://github.com/yxf/fawn written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/yxf/fawn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pallet-sudo v2.0.0-alpha.5
[INFO] [stderr]   Downloaded frame-support v2.0.0-alpha.5
[INFO] [stderr]   Downloaded substrate-prometheus-endpoint v0.8.0-alpha.5
[INFO] [stderr]   Downloaded pallet-randomness-collective-flip v2.0.0-alpha.5
[INFO] [stderr]   Downloaded fork-tree v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-peerset v2.0.0-alpha.5
[INFO] [stderr]   Downloaded substrate-wasm-builder-runner v1.0.5
[INFO] [stderr]   Downloaded pallet-transaction-payment v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-informant v0.8.0-alpha.5
[INFO] [stderr]   Downloaded frame-metadata v11.0.0-alpha.5
[INFO] [stderr]   Downloaded frame-support-procedural-tools-derive v2.0.0-alpha.5
[INFO] [stderr]   Downloaded frame-benchmarking v2.0.0-alpha.5
[INFO] [stderr]   Downloaded frame-executive v2.0.0-alpha.5
[INFO] [stderr]   Downloaded pallet-balances v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-io v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-trie v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-storage v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-inherents v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-version v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-block-builder v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-transaction-pool v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-keyring v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-rpc-server v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-consensus-vrf v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sc-cli v0.8.0-alpha.5
[INFO] [stderr]   Downloaded frame-support-procedural-tools v2.0.0-alpha.5
[INFO] [stderr]   Downloaded pallet-timestamp v2.0.0-alpha.5
[INFO] [stderr]   Downloaded frame-support-procedural v2.0.0-alpha.5
[INFO] [stderr]   Downloaded frame-system v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-block-builder v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sc-transaction-graph v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-consensus v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sp-core v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-network v0.8.0-alpha.5
[INFO] [stderr]   Downloaded protobuf v2.13.0
[INFO] [stderr]   Downloaded sc-chain-spec-derive v2.0.0-alpha.5
[INFO] [stderr]   Downloaded pallet-generic-asset v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-consensus-babe v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sp-offchain v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-tracing v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-session v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-executor v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sc-telemetry v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-client-api v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-debug-derive v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-api-proc-macro v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-blockchain v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-timestamp v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-arithmetic v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-state-machine v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sp-api v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-application-crypto v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-consensus-pow v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sp-panic-handler v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-externalities v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sp-runtime-interface v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-runtime v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-wasm-interface v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-std v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-transaction-pool v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-client v0.8.0-alpha.5
[INFO] [stderr]   Downloaded tokio v0.2.17
[INFO] [stderr]   Downloaded pallet-indices v2.0.0-alpha.5
[INFO] [stderr]   Downloaded pallet-transaction-payment-rpc-runtime-api v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-state-db v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sc-client-db v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sc-chain-spec v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-rpc v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-keystore v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-rpc-api v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sp-rpc v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-service v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sc-executor-common v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sc-basic-authorship v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sc-offchain v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sp-allocator v2.0.0-alpha.5
[INFO] [stderr]   Downloaded sc-executor-wasmi v0.8.0-alpha.5
[INFO] [stderr]   Downloaded sp-serializer v2.0.0-alpha.5
[INFO] [stderr]   Downloaded substrate-build-script-utils v2.0.0-alpha.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", 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] ac6a2a6543855d0c420ba7a952e0de9cc287568185536baa92242468fbd0d709
[INFO] running `Command { std: "docker" "start" "-a" "ac6a2a6543855d0c420ba7a952e0de9cc287568185536baa92242468fbd0d709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac6a2a6543855d0c420ba7a952e0de9cc287568185536baa92242468fbd0d709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac6a2a6543855d0c420ba7a952e0de9cc287568185536baa92242468fbd0d709", kill_on_drop: false }`
[INFO] [stdout] ac6a2a6543855d0c420ba7a952e0de9cc287568185536baa92242468fbd0d709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eeb7e6e5bbd722cdb87e7f2242d21869d2dd76c3cf7f576db041958be9db201
[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" "2eeb7e6e5bbd722cdb87e7f2242d21869d2dd76c3cf7f576db041958be9db201", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.3.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]     Checking sp-std v2.0.0-alpha.5
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling multimap v0.8.1
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.60
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.60
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling protobuf v2.13.0
[INFO] [stderr]     Checking bitmask v0.5.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling sysinfo v0.12.0
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking interleaved-ordered v0.1.1
[INFO] [stderr]     Checking target_info v0.1.0
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v1.0.5
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]     Checking safe-mix v1.0.1
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0-alpha.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking rlp v0.4.5
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking linked_hash_set v0.1.3
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling hex-literal-impl v0.2.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling pow-runtime v2.0.0 (/opt/rustwide/workdir/pow-runtime)
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr] error: failed to run custom build command for `pow-runtime v2.0.0 (/opt/rustwide/workdir/pow-runtime)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/pow-runtime-8875ed2d2d6427e9/build-script-build` (exit code: 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/pow-runtime376084494851685752)`
[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" "2eeb7e6e5bbd722cdb87e7f2242d21869d2dd76c3cf7f576db041958be9db201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eeb7e6e5bbd722cdb87e7f2242d21869d2dd76c3cf7f576db041958be9db201", kill_on_drop: false }`
[INFO] [stdout] 2eeb7e6e5bbd722cdb87e7f2242d21869d2dd76c3cf7f576db041958be9db201