[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 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] e22f60e28ee74e37e4f4376eab1f127b8c724915313dcc6217eeca6b90769c67 [INFO] running `"docker" "start" "-a" "e22f60e28ee74e37e4f4376eab1f127b8c724915313dcc6217eeca6b90769c67"` [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-96fbf4d1b091bb46/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: 0x55c5d7ea1fa3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x55c5d7e9dc4b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x55c5d7ea0e36 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x55c5d7ea0bc9 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x55c5d7ea148f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x55c5d7e91d23 - std::panicking::begin_panic::haa828e6b7d97c36a [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408 [INFO] [stderr] 6: 0x55c5d7e92cd7 - build_script_build::main::ha3142d8529c614ad [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcast-wire-0.1.5/build.rs:9 [INFO] [stderr] 7: 0x55c5d7e9273f - std::rt::lang_start::{{closure}}::hf41d67b43803f062 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 8: 0x55c5d7ea0ee2 - std::panicking::try::do_call::hc3d8373a0b215f51 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 9: 0x55c5d7ea7209 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 10: 0x55c5d7ea199c - std::rt::lang_start_internal::he5218c8b95d395f2 [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 11: 0x55c5d7e92718 - std::rt::lang_start::hf6f5dbf638f45513 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x55c5d7e92d29 - main [INFO] [stderr] 13: 0x7fa67dd3d2e0 - __libc_start_main [INFO] [stderr] 14: 0x55c5d7e8dc89 - _start [INFO] [stderr] 15: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "e22f60e28ee74e37e4f4376eab1f127b8c724915313dcc6217eeca6b90769c67"` [INFO] running `"docker" "rm" "-f" "e22f60e28ee74e37e4f4376eab1f127b8c724915313dcc6217eeca6b90769c67"` [INFO] [stdout] e22f60e28ee74e37e4f4376eab1f127b8c724915313dcc6217eeca6b90769c67