[INFO] crate zkinterface 1.0.6 is already in cache
[INFO] testing zkinterface-1.0.6 against 1.38.0 for beta-1.39-1
[INFO] extracting crate zkinterface 1.0.6 into work/builds/worker-0/source
[INFO] validating manifest of crates.io crate zkinterface 1.0.6 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate zkinterface 1.0.6
[INFO] finished tweaking crates.io crate zkinterface 1.0.6
[INFO] tweaked toml for crates.io crate zkinterface 1.0.6 written to work/builds/worker-0/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] e2806f454f0591be140f6c8b7b9467ad1a38c3b302715315bf99420287b99305
[INFO] running `"docker" "start" "-a" "e2806f454f0591be140f6c8b7b9467ad1a38c3b302715315bf99420287b99305"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling flatbuffers v0.5.0
[INFO] [stderr]    Compiling zkinterface v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpp_gadget.rs:53:76
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn call_gadget_wrapper(circuit: &CircuitOwned) -> Result<Messages, Box<Error>> {
[INFO] [stderr]    |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `"docker" "inspect" "e2806f454f0591be140f6c8b7b9467ad1a38c3b302715315bf99420287b99305"`
[INFO] running `"docker" "rm" "-f" "e2806f454f0591be140f6c8b7b9467ad1a38c3b302715315bf99420287b99305"`
[INFO] [stdout] e2806f454f0591be140f6c8b7b9467ad1a38c3b302715315bf99420287b99305
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6f2699b2729df478408b1821bbcbe058e8e42fac59569f54a6defc79892a1540
[INFO] running `"docker" "start" "-a" "6f2699b2729df478408b1821bbcbe058e8e42fac59569f54a6defc79892a1540"`
[INFO] [stderr]    Compiling zkinterface v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cpp_gadget.rs:53:76
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub fn call_gadget_wrapper(circuit: &CircuitOwned) -> Result<Messages, Box<Error>> {
[INFO] [stderr]    |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `"docker" "inspect" "6f2699b2729df478408b1821bbcbe058e8e42fac59569f54a6defc79892a1540"`
[INFO] running `"docker" "rm" "-f" "6f2699b2729df478408b1821bbcbe058e8e42fac59569f54a6defc79892a1540"`
[INFO] [stdout] 6f2699b2729df478408b1821bbcbe058e8e42fac59569f54a6defc79892a1540
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 05a9df8e34f1e8ea4feedd150e2b19195bca3e2735d57f13051cdfbe20355711
[INFO] running `"docker" "start" "-a" "05a9df8e34f1e8ea4feedd150e2b19195bca3e2735d57f13051cdfbe20355711"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/zkinterface-2d0f4ebbe7793cac
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test reading::test_pretty_print_var ... ok
[INFO] [stdout] test examples::test_examples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zkinterface
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "05a9df8e34f1e8ea4feedd150e2b19195bca3e2735d57f13051cdfbe20355711"`
[INFO] running `"docker" "rm" "-f" "05a9df8e34f1e8ea4feedd150e2b19195bca3e2735d57f13051cdfbe20355711"`
[INFO] [stdout] 05a9df8e34f1e8ea4feedd150e2b19195bca3e2735d57f13051cdfbe20355711