[INFO] fetching crate crates-io-sketchbook 0.2.1...
[INFO] testing crates-io-sketchbook-0.2.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate crates-io-sketchbook 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate crates-io-sketchbook 0.2.1
[INFO] finished tweaking crates.io crate crates-io-sketchbook 0.2.1
[INFO] tweaked toml for crates.io crate crates-io-sketchbook 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crates-io-sketchbook 0.2.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crates-io-sketchbook 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 119a244d8f4d30ffc38e65e76c5b0dd0e67572d1897ec35f68391453ee95ab5e
[INFO] running `Command { std: "docker" "start" "119a244d8f4d30ffc38e65e76c5b0dd0e67572d1897ec35f68391453ee95ab5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "119a244d8f4d30ffc38e65e76c5b0dd0e67572d1897ec35f68391453ee95ab5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "119a244d8f4d30ffc38e65e76c5b0dd0e67572d1897ec35f68391453ee95ab5e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "119a244d8f4d30ffc38e65e76c5b0dd0e67572d1897ec35f68391453ee95ab5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "119a244d8f4d30ffc38e65e76c5b0dd0e67572d1897ec35f68391453ee95ab5e" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling crates-io-sketchbook v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `crates-io-sketchbook v0.2.1 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/release/build/crates-io-sketchbook-654f9b813f70fbd9/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Custom { kind: Uncategorized, error: "failed to lookup address information: Temporary failure in name resolution" }
[INFO] running `Command { std: "docker" "inspect" "119a244d8f4d30ffc38e65e76c5b0dd0e67572d1897ec35f68391453ee95ab5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "119a244d8f4d30ffc38e65e76c5b0dd0e67572d1897ec35f68391453ee95ab5e", kill_on_drop: false }`
[INFO] [stdout] 119a244d8f4d30ffc38e65e76c5b0dd0e67572d1897ec35f68391453ee95ab5e
