[INFO] crate gcast-protocol 0.1.5 is already in cache [INFO] extracting crate gcast-protocol 0.1.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/gcast-protocol/0.1.5 [INFO] extracting crate gcast-protocol 0.1.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gcast-protocol/0.1.5 [INFO] validating manifest of gcast-protocol-0.1.5 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of gcast-protocol-0.1.5 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing gcast-protocol-0.1.5 [INFO] finished frobbing gcast-protocol-0.1.5 [INFO] frobbed toml for gcast-protocol-0.1.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/gcast-protocol/0.1.5/Cargo.toml [INFO] started frobbing gcast-protocol-0.1.5 [INFO] finished frobbing gcast-protocol-0.1.5 [INFO] frobbed toml for gcast-protocol-0.1.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gcast-protocol/0.1.5/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing gcast-protocol-0.1.5 against beta-2019-07-23 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/gcast-protocol/0.1.5:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] 391d6f8809596b0c8fdedfb25b147fb1beaef926a9a51131a3ffbf7680e1ff14 [INFO] running `"docker" "start" "-a" "391d6f8809596b0c8fdedfb25b147fb1beaef926a9a51131a3ffbf7680e1ff14"` [INFO] [stderr] Compiling gcast-wire v0.1.5 [INFO] [stderr] Compiling uuid v0.3.1 [INFO] [stderr] Compiling error-chain v0.6.2 [INFO] [stderr] error: failed to run custom build command for `gcast-wire v0.1.5` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/gcast-wire-e7f314937adcfef3/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] protoc-gen-rust: program not found or is not executable [INFO] [stderr] --rust_out: protoc-gen-rust: Plugin failed with status code 1. [INFO] [stderr] thread 'main' panicked at 'assertion failed: protoc_status.success()', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcast-wire-0.1.5/build.rs:9:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556fc26763cb - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x556fc26763cb - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x556fc26763cb - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x556fc26763cb - std::sys_common::backtrace::print::h31646c3786c57441 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x556fc26763cb - std::panicking::default_hook::{{closure}}::hda785e768c746ae7 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x556fc26760a7 - std::panicking::default_hook::h0c4b76f338614ef1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x556fc2676a90 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x556fc2668b34 - std::panicking::begin_panic::h3dbf34d4107a0db1 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x556fc266cdae - build_script_build::main::h2ab717756aa3873f [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcast-wire-0.1.5/build.rs:9 [INFO] [stderr] 9: 0x556fc266c990 - std::rt::lang_start::{{closure}}::hf6fdffd2023812f2 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x556fc26764e3 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x556fc26764e3 - std::panicking::try::do_call::h480cafa68c9928b4 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 12: 0x556fc267c5ca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 13: 0x556fc2676f9d - std::panicking::try::he0549d0299de204a [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 14: 0x556fc2676f9d - std::panic::catch_unwind::h422dc2db98f03517 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 15: 0x556fc2676f9d - std::rt::lang_start_internal::h121de03325a3f900 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x556fc266c969 - std::rt::lang_start::hd574f2b7af56ea28 [INFO] [stderr] at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x556fc266cdfa - main [INFO] [stderr] 18: 0x7fd0a94962e1 - __libc_start_main [INFO] [stderr] 19: 0x556fc26644ca - _start [INFO] [stderr] 20: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "391d6f8809596b0c8fdedfb25b147fb1beaef926a9a51131a3ffbf7680e1ff14"` [INFO] running `"docker" "rm" "-f" "391d6f8809596b0c8fdedfb25b147fb1beaef926a9a51131a3ffbf7680e1ff14"` [INFO] [stdout] 391d6f8809596b0c8fdedfb25b147fb1beaef926a9a51131a3ffbf7680e1ff14