[INFO] cloning repository https://github.com/sbnair/PolkaDossier_NFT
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbnair/PolkaDossier_NFT" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbnair%2FPolkaDossier_NFT", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbnair%2FPolkaDossier_NFT'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f673bff1e0531a06ec4aa39f93bf01b47cb00752
[INFO] checking sbnair/PolkaDossier_NFT against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbnair%2FPolkaDossier_NFT" "/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/sbnair/PolkaDossier_NFT on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sbnair/PolkaDossier_NFT
[INFO] finished tweaking git repo https://github.com/sbnair/PolkaDossier_NFT
[INFO] tweaked toml for git repo https://github.com/sbnair/PolkaDossier_NFT written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sbnair/PolkaDossier_NFT already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60cc249bf46230dd874ca21bc7cd6b2419d7d838d27ca0a03edf5b7614811b90
[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" "60cc249bf46230dd874ca21bc7cd6b2419d7d838d27ca0a03edf5b7614811b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60cc249bf46230dd874ca21bc7cd6b2419d7d838d27ca0a03edf5b7614811b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cc249bf46230dd874ca21bc7cd6b2419d7d838d27ca0a03edf5b7614811b90", kill_on_drop: false }`
[INFO] [stdout] 60cc249bf46230dd874ca21bc7cd6b2419d7d838d27ca0a03edf5b7614811b90
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--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] 38f50dab31a936e519621f322e9d184ea0a15cf075390a9c9ccf5e4c5b6ba91f
[INFO] running `Command { std: "docker" "start" "-a" "38f50dab31a936e519621f322e9d184ea0a15cf075390a9c9ccf5e4c5b6ba91f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
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[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.0
[INFO] [stderr]    Compiling substratekitties-runtime v2.0.0-rc (/opt/rustwide/workdir/runtime)
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr] error: failed to run custom build command for `substratekitties-runtime v2.0.0-rc (/opt/rustwide/workdir/runtime)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/substratekitties-runtime-18f8f6ff1d91cb05/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/substratekitties-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" "38f50dab31a936e519621f322e9d184ea0a15cf075390a9c9ccf5e4c5b6ba91f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f50dab31a936e519621f322e9d184ea0a15cf075390a9c9ccf5e4c5b6ba91f", kill_on_drop: false }`
[INFO] [stdout] 38f50dab31a936e519621f322e9d184ea0a15cf075390a9c9ccf5e4c5b6ba91f