[INFO] fetching crate opcua-core 0.8.1...
[INFO] testing opcua-core-0.8.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate opcua-core 0.8.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate opcua-core 0.8.1 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 crates.io crate opcua-core 0.8.1
[INFO] finished tweaking crates.io crate opcua-core 0.8.1
[INFO] tweaked toml for crates.io crate opcua-core 0.8.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] be0846a12bba74773ee126f855e581cf72c353223063db9b9106cd93219f6960
[INFO] running `Command { std: "docker" "start" "-a" "be0846a12bba74773ee126f855e581cf72c353223063db9b9106cd93219f6960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be0846a12bba74773ee126f855e581cf72c353223063db9b9106cd93219f6960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0846a12bba74773ee126f855e581cf72c353223063db9b9106cd93219f6960", kill_on_drop: false }`
[INFO] [stdout] be0846a12bba74773ee126f855e581cf72c353223063db9b9106cd93219f6960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0dfcada443294a40e7a09d220dd7cd43c356c5bc6e98293966969f343ef0456
[INFO] running `Command { std: "docker" "start" "-a" "d0dfcada443294a40e7a09d220dd7cd43c356c5bc6e98293966969f343ef0456", kill_on_drop: false }`
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling gethostname v0.2.1
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling opcua-types v0.8.1
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr] error: could not compile `opcua-types`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name opcua_types --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/opcua-types-0.8.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=dfb2b2c8633c4300 -C extra-filename=-dfb2b2c8633c4300 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern base64=/opt/rustwide/target/debug/deps/libbase64-5d3cd80c53440721.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-f947290fec4feb2c.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-f387c8e731df044c.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-f5697a9bde61c107.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-5adcf922eb1fa2ac.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-27bd9e77ed307a48.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e1e7584dcba0a5cc.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-8fe885f1d4439ddc.so --extern uuid=/opt/rustwide/target/debug/deps/libuuid-61ee1305216385d2.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d0dfcada443294a40e7a09d220dd7cd43c356c5bc6e98293966969f343ef0456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0dfcada443294a40e7a09d220dd7cd43c356c5bc6e98293966969f343ef0456", kill_on_drop: false }`
[INFO] [stdout] d0dfcada443294a40e7a09d220dd7cd43c356c5bc6e98293966969f343ef0456