[INFO] cloning repository https://github.com/robotet/polkadot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robotet/polkadot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobotet%2Fpolkadot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobotet%2Fpolkadot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9a004b9fc06f260a8bc98a0c28697457b28834f
[INFO] testing robotet/polkadot against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobotet%2Fpolkadot" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robotet/polkadot on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robotet/polkadot
[INFO] finished tweaking git repo https://github.com/robotet/polkadot
[INFO] tweaked toml for git repo https://github.com/robotet/polkadot written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/robotet/polkadot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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 ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 096b6f35b18db1870eb3e2fbda90d00b6c9009111ad1e81c0919103f862e4484
[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" "096b6f35b18db1870eb3e2fbda90d00b6c9009111ad1e81c0919103f862e4484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "096b6f35b18db1870eb3e2fbda90d00b6c9009111ad1e81c0919103f862e4484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096b6f35b18db1870eb3e2fbda90d00b6c9009111ad1e81c0919103f862e4484", kill_on_drop: false }`
[INFO] [stdout] 096b6f35b18db1870eb3e2fbda90d00b6c9009111ad1e81c0919103f862e4484
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b613b7dd79af3d2939ad18073cddcf5653ca13c077b5ba7c3e7569f0f130de9c
[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" "b613b7dd79af3d2939ad18073cddcf5653ca13c077b5ba7c3e7569f0f130de9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
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[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.114
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[INFO] [stderr]    Compiling sc-consensus-slots v0.8.0-rc6 (https://github.com/paritytech/substrate?branch=master#16474ee9)
[INFO] [stderr]    Compiling safe-mix v1.0.1
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling platforms v0.2.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.16
[INFO] [stderr]    Compiling sharded-slab v0.0.9
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling ed25519 v1.0.1
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[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 hashbrown v0.8.0
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling trie-root v0.16.0
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling blake2s_simd v0.5.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quicksink v0.1.2
[INFO] [stderr]    Compiling generic-array v0.14.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling concurrent-queue v1.1.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling hashbrown v0.6.3
[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 clang-sys v0.29.3
[INFO] [stderr]    Compiling wasmi-validation v0.3.0
[INFO] [stderr]    Compiling wast v21.0.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling linked_hash_set v0.1.3
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling kusama-runtime v0.8.24 (/opt/rustwide/workdir/runtime/kusama)
[INFO] [stderr]    Compiling polkadot-runtime v0.8.24 (/opt/rustwide/workdir/runtime/polkadot)
[INFO] [stderr]    Compiling westend-runtime v0.8.24 (/opt/rustwide/workdir/runtime/westend)
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0-rc6 (https://github.com/paritytech/substrate?branch=master#16474ee9)
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memrange v0.1.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling hex-literal v0.2.1
[INFO] [stderr]    Compiling async-channel v1.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr] error: failed to run custom build command for `polkadot-runtime v0.8.24 (/opt/rustwide/workdir/runtime/polkadot)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/polkadot-runtime-2004891f4babb378/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/polkadot-runtime10285397888672912349)`
[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" "b613b7dd79af3d2939ad18073cddcf5653ca13c077b5ba7c3e7569f0f130de9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b613b7dd79af3d2939ad18073cddcf5653ca13c077b5ba7c3e7569f0f130de9c", kill_on_drop: false }`
[INFO] [stdout] b613b7dd79af3d2939ad18073cddcf5653ca13c077b5ba7c3e7569f0f130de9c