[INFO] updating cached repository dvush/exonum_pb_types
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dvush/exonum_pb_types
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dvush/exonum_pb_types" "work/ex/beta-1.37-6/sources/1.36.0/gh/dvush/exonum_pb_types"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/dvush/exonum_pb_types'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dvush/exonum_pb_types" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dvush/exonum_pb_types"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dvush/exonum_pb_types'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f0e4a74d2c356f3f399c26a4da250e8bf242e77f
[INFO] sha for GitHub repo dvush/exonum_pb_types: f0e4a74d2c356f3f399c26a4da250e8bf242e77f
[INFO] validating manifest of dvush/exonum_pb_types 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 dvush/exonum_pb_types 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 dvush/exonum_pb_types
[INFO] finished frobbing dvush/exonum_pb_types
[INFO] frobbed toml for dvush/exonum_pb_types written to work/ex/beta-1.37-6/sources/1.36.0/gh/dvush/exonum_pb_types/Cargo.toml
[INFO] started frobbing dvush/exonum_pb_types
[INFO] finished frobbing dvush/exonum_pb_types
[INFO] frobbed toml for dvush/exonum_pb_types written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/dvush/exonum_pb_types/Cargo.toml
[INFO] crate dvush/exonum_pb_types already has a lockfile, it will not be regenerated
[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] testing dvush/exonum_pb_types 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/dvush/exonum_pb_types:/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] ef38014a27f7fa3911d0b5bfd95c5b7e8b279f0b8f31b1c9a1437e0d49e3d11c
[INFO] running `"docker" "start" "-a" "ef38014a27f7fa3911d0b5bfd95c5b7e8b279f0b8f31b1c9a1437e0d49e3d11c"`
[INFO] [stderr]    Compiling protobuf v2.2.0
[INFO] [stderr]    Compiling protoc v2.2.0
[INFO] [stderr]    Compiling protobuf-codegen v2.2.0
[INFO] [stderr]    Compiling protoc-rust v2.2.0
[INFO] [stderr]    Compiling proto-rust-hw v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> build.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 | /     protoc_rust::run(protoc_rust::Args {
[INFO] [stderr] 47 | |         out_dir: "src/lib_types/proto",
[INFO] [stderr] 48 | |         input: &p_vec,
[INFO] [stderr] 49 | |         includes: &["src/lib_types/proto"],
[INFO] [stderr] ...  |
[INFO] [stderr] 52 | |         },
[INFO] [stderr] 53 | |     }).expect("protoc");
[INFO] [stderr]    | |________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `proto-rust-hw v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/proto-rust-hw-bfcb09101e42b274/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=src/lib_types/proto/exonum
[INFO] [stderr] cargo:rerun-if-changed=src/user_types/proto
[INFO] [stderr] src/lib_types/proto/exonum/hash.proto
[INFO] [stderr] src/lib_types/proto/exonum/use_hash.proto
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] ["src/lib_types/proto/exonum/hash.proto", "src/lib_types/proto/exonum/use_hash.proto"]
[INFO] [stderr] thread 'main' panicked at 'explicit panic', build.rs:45:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55c31b237f83 - 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:     0x55c31b233ceb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55c31b236f46 - 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:     0x55c31b236cd9 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55c31b23759f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55c31b2298c7 - std::panicking::begin_panic::h4dbd1682a30b1dae
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:408
[INFO] [stderr]    6:     0x55c31b20249b - build_script_build::main::h81504777771723a3
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:45
[INFO] [stderr]    7:     0x55c31b20189f - std::rt::lang_start::{{closure}}::h897c2271175a8256
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]    8:     0x55c31b236ff2 - 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:     0x55c31b2396c9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   10:     0x55c31b237aac - 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:     0x55c31b201878 - std::rt::lang_start::h621f9936c59cdee7
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55c31b202579 - main
[INFO] [stderr]   13:     0x7fe42f3142e0 - __libc_start_main
[INFO] [stderr]   14:     0x55c31b1fdd89 - _start
[INFO] [stderr]   15:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "ef38014a27f7fa3911d0b5bfd95c5b7e8b279f0b8f31b1c9a1437e0d49e3d11c"`
[INFO] running `"docker" "rm" "-f" "ef38014a27f7fa3911d0b5bfd95c5b7e8b279f0b8f31b1c9a1437e0d49e3d11c"`
[INFO] [stdout] ef38014a27f7fa3911d0b5bfd95c5b7e8b279f0b8f31b1c9a1437e0d49e3d11c