[INFO] cloning repository https://github.com/subx-advance2/lesson2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/subx-advance2/lesson2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubx-advance2%2Flesson2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubx-advance2%2Flesson2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5abee09501cfdc5154ee5a8bf0a32e08988fec6d
[INFO] checking subx-advance2/lesson2 against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubx-advance2%2Flesson2" "/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/subx-advance2/lesson2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/subx-advance2/lesson2
[INFO] finished tweaking git repo https://github.com/subx-advance2/lesson2
[INFO] tweaked toml for git repo https://github.com/subx-advance2/lesson2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/subx-advance2/lesson2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfcb53622b7a10aeb824196d510ea24a618eabfd2f4d5b10d458ad8bd1d4a878
[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" "bfcb53622b7a10aeb824196d510ea24a618eabfd2f4d5b10d458ad8bd1d4a878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfcb53622b7a10aeb824196d510ea24a618eabfd2f4d5b10d458ad8bd1d4a878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcb53622b7a10aeb824196d510ea24a618eabfd2f4d5b10d458ad8bd1d4a878", kill_on_drop: false }`
[INFO] [stdout] bfcb53622b7a10aeb824196d510ea24a618eabfd2f4d5b10d458ad8bd1d4a878
[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" "RUSTFLAGS=--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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bd2acc959c9002abb8a4b6b9355167182be53af0abec94ec7c3fab43138e6ad
[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" "0bd2acc959c9002abb8a4b6b9355167182be53af0abec94ec7c3fab43138e6ad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling substrate-wasm-builder-runner v2.0.0
[INFO] [stderr]    Compiling node-template v2.0.0 (/opt/rustwide/workdir/node)
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling prost v0.6.1
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking minicbor v0.5.1
[INFO] [stderr]     Checking strum v0.16.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking impl-serde v0.3.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling cranelift-entity v0.66.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking erased-serde v0.3.13
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]     Checking zstd-sys v1.4.18+zstd.1.4.7
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.11
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking curve25519-dalek v2.1.2
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking unsigned-varint v0.5.1
[INFO] [stderr]     Checking chacha20 v0.5.0
[INFO] [stderr]     Checking prometheus v0.10.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]    Compiling node-template-runtime v2.0.0 (/opt/rustwide/workdir/runtime)
[INFO] [stderr]    Compiling prost-types v0.6.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.66.0
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking cranelift-bforest v0.66.0
[INFO] [stderr]     Checking linregress v0.1.7
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking ct-logs v0.7.0
[INFO] [stderr]     Checking slog v2.7.0
[INFO] [stderr]     Checking chacha20poly1305 v0.6.0
[INFO] [stderr]     Checking futures v0.3.11
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking sp-serializer v2.0.1
[INFO] [stderr]     Checking jsonrpc-core v15.1.0
[INFO] [stderr]     Checking sp-chain-spec v2.0.1
[INFO] [stderr]     Checking tiny-bip39 v0.7.3
[INFO] [stderr]     Checking bip39 v0.6.0-beta.1
[INFO] [stderr]    Compiling bindgen v0.54.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking zstd v0.5.4+zstd.1.4.7
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking x25519-dalek v0.6.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr] error: failed to run custom build command for `node-template-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/node-template-runtime-8c2ca2a991f99785/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/node-template-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 `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" "0bd2acc959c9002abb8a4b6b9355167182be53af0abec94ec7c3fab43138e6ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd2acc959c9002abb8a4b6b9355167182be53af0abec94ec7c3fab43138e6ad", kill_on_drop: false }`
[INFO] [stdout] 0bd2acc959c9002abb8a4b6b9355167182be53af0abec94ec7c3fab43138e6ad
