[INFO] fetching crate rust-rapidsnark 0.1.4...
[INFO] testing rust-rapidsnark-0.1.4 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate rust-rapidsnark 0.1.4 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate rust-rapidsnark 0.1.4
[INFO] finished tweaking crates.io crate rust-rapidsnark 0.1.4
[INFO] tweaked toml for crates.io crate rust-rapidsnark 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-rapidsnark 0.1.4 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 rust-rapidsnark 0.1.4 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chkstk_stub v0.1.0
[INFO] [stderr]   Downloaded anyhow v1.0.95
[INFO] [stderr]   Downloaded cc v1.2.10
[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] 9cd8257ee0cdfc56ba806d18cb3fb1ca5aca6b5cbf62435fb9881479a71f7dfe
[INFO] running `Command { std: "docker" "start" "9cd8257ee0cdfc56ba806d18cb3fb1ca5aca6b5cbf62435fb9881479a71f7dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cd8257ee0cdfc56ba806d18cb3fb1ca5aca6b5cbf62435fb9881479a71f7dfe", 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" "9cd8257ee0cdfc56ba806d18cb3fb1ca5aca6b5cbf62435fb9881479a71f7dfe" "/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" "9cd8257ee0cdfc56ba806d18cb3fb1ca5aca6b5cbf62435fb9881479a71f7dfe", 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" "9cd8257ee0cdfc56ba806d18cb3fb1ca5aca6b5cbf62435fb9881479a71f7dfe" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling chkstk_stub v0.1.0
[INFO] [stderr]    Compiling rust-rapidsnark v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rust-rapidsnark v0.1.4 (/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/rust-rapidsnark-2f21f9a73e6f5738/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=RAPIDSNARK_LIB_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=RAPIDSNARK_DOWNLOAD_BASE_URL
[INFO] [stderr]   No prebuilt matches x86_64-unknown-linux-gnu exactly, falling back to the generic linux-x86_64 build.
[INFO] [stderr]   Downloading rapidsnark-linux-x86_64-v0.0.8.zip from https://github.com/iden3/rapidsnark/releases/download/v0.0.8
[INFO] [stderr]   Failed to download https://github.com/iden3/rapidsnark/releases/download/v0.0.8/rapidsnark-linux-x86_64-v0.0.8.zip
[INFO] [stderr]   Set RAPIDSNARK_DOWNLOAD_BASE_URL to use a mirror, or RAPIDSNARK_LIB_DIR to build against local libraries.
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]     % Total    % Received % Xferd  Average Speed  Time    Time    Time   Current
[INFO] [stderr]                                    Dload  Upload  Total   Spent   Left   Speed
[INFO] [stderr]   
  0      0   0      0   0      0      0      0                              0curl: (6) Could not resolve host: github.com
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (202) panicked at build.rs:69:9:
[INFO] [stderr]   Failed to fetch the rapidsnark prebuilt for x86_64-unknown-linux-gnu. Set RAPIDSNARK_DOWNLOAD_BASE_URL to fetch from a mirror, or RAPIDSNARK_LIB_DIR to link libraries you already have.
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5636c79d9641 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x5636c79ed7ba - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x5636c79dee9c - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x5636c79b7ff6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x5636c79d3b81 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x5636c79d3d3b - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x5636c79b80a2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stderr]      7:     0x5636c79b0cc9 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]      8:     0x5636c79b89ad - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stderr]      9:     0x5636c79edf2c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stderr]     10:     0x5636c7945e97 - build_script_build[4c4814191bd4a9af]::download_prebuilt
[INFO] [stderr]     11:     0x5636c794623d - build_script_build[4c4814191bd4a9af]::main
[INFO] [stderr]     12:     0x5636c7946d33 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     13:     0x5636c79459fe - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     14:     0x5636c7945a09 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     15:     0x5636c79d2e49 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     16:     0x5636c79459f1 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     17:     0x5636c7946d75 - main
[INFO] [stderr]     18:     0x7c3551f29601 - <unknown>
[INFO] [stderr]     19:     0x7c3551f29718 - __libc_start_main
[INFO] [stderr]     20:     0x5636c79458b5 - _start
[INFO] [stderr]     21:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9cd8257ee0cdfc56ba806d18cb3fb1ca5aca6b5cbf62435fb9881479a71f7dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd8257ee0cdfc56ba806d18cb3fb1ca5aca6b5cbf62435fb9881479a71f7dfe", kill_on_drop: false }`
[INFO] [stdout] 9cd8257ee0cdfc56ba806d18cb3fb1ca5aca6b5cbf62435fb9881479a71f7dfe
