[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/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/dvush/exonum_pb_types"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/dvush/exonum_pb_types'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dvush/exonum_pb_types" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/dvush/exonum_pb_types"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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 master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dvush/exonum_pb_types on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "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/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/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/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking dvush/exonum_pb_types against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-1/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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=forbid" "-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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cdf122bb6044c327b208392ccec323af387b484ecff9ed46713e92eb3c806e8f
[INFO] running `"docker" "start" "-a" "cdf122bb6044c327b208392ccec323af387b484ecff9ed46713e92eb3c806e8f"`
[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-fb0afae2341a27ba/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:     0x55688e5bc4eb - backtrace::backtrace::libunwind::trace::hbfb69e72f505529b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55688e5bc4eb - backtrace::backtrace::trace_unsynchronized::hac9ea77fa06b91bd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55688e5bc4eb - std::sys_common::backtrace::_print::hf6f722cabcf8c26d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55688e5bc4eb - std::sys_common::backtrace::print::h9cca5983945bdb52
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55688e5bc4eb - std::panicking::default_hook::{{closure}}::h2fab7259edc3a80d
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55688e5bc1c7 - std::panicking::default_hook::ha99acf6d9268d46d
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55688e5bcbb0 - std::panicking::rust_panic_with_hook::hddab2c65ce92e648
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55688e5b1088 - std::panicking::begin_panic::hce89e510242ccecb
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x55688e58957c - build_script_build::main::h815e3cb9097ddd82
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:45
[INFO] [stderr]    9:     0x55688e588870 - std::rt::lang_start::{{closure}}::h64c35c029e8efe56
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x55688e5bc603 - std::rt::lang_start_internal::{{closure}}::hbec6d1ff7b00d029
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   11:     0x55688e5bc603 - std::panicking::try::do_call::h83e51489f66cd002
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   12:     0x55688e5bea4a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   13:     0x55688e5bd0bd - std::panicking::try::hb1deae6a8854c8be
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   14:     0x55688e5bd0bd - std::panic::catch_unwind::hff09c33b8b66b7a2
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   15:     0x55688e5bd0bd - std::rt::lang_start_internal::h01b3f7988e3fe75d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x55688e588849 - std::rt::lang_start::h15273d7cbf5cc4ce
[INFO] [stderr]                                at /rustc/18481b65f318e0b4b20c0fc61340054701719d6c/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x55688e58965a - main
[INFO] [stderr]   18:     0x7f5cf2fe52e1 - __libc_start_main
[INFO] [stderr]   19:     0x55688e5849aa - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "cdf122bb6044c327b208392ccec323af387b484ecff9ed46713e92eb3c806e8f"`
[INFO] running `"docker" "rm" "-f" "cdf122bb6044c327b208392ccec323af387b484ecff9ed46713e92eb3c806e8f"`
[INFO] [stdout] cdf122bb6044c327b208392ccec323af387b484ecff9ed46713e92eb3c806e8f