[INFO] cloning repository dvush/exonum_pb_types
[INFO] running `"git" "clone" "--bare" "git://github.com/dvush/exonum_pb_types.git" "work/cache/sources/gh/dvush/exonum_pb_types"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/dvush/exonum_pb_types'...
[INFO] running `"git" "clone" "work/cache/sources/gh/dvush/exonum_pb_types" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dvush/exonum_pb_types"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/dvush/exonum_pb_types'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dvush/exonum_pb_types" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dvush/exonum_pb_types"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of dvush/exonum_pb_types on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-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-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protoc-rust v2.2.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking dvush/exonum_pb_types against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-7/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/dvush/exonum_pb_types:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0563803bcfeeb4501c5126de094375d8ff0bef039a4d6496b1d93eb193be63a1
[INFO] running `"docker" "start" "-a" "0563803bcfeeb4501c5126de094375d8ff0bef039a4d6496b1d93eb193be63a1"`
[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-574c42f2f4f787e1/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:     0x557ba3aa9ddb - backtrace::backtrace::libunwind::trace::h8758853b907b30fd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x557ba3aa9ddb - backtrace::backtrace::trace_unsynchronized::h979d07d4bfdce29c
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x557ba3aa9ddb - std::sys_common::backtrace::_print::ha749bbdb811617ea
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x557ba3aa9ddb - std::sys_common::backtrace::print::h86a6ff63a904e869
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x557ba3aa9ddb - std::panicking::default_hook::{{closure}}::h68500b20afb715b9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x557ba3aa9ab7 - std::panicking::default_hook::ha801ade4ae33c264
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x557ba3aaa4a0 - std::panicking::rust_panic_with_hook::hfb51b615c6060100
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x557ba3a9eb58 - std::panicking::begin_panic::ha9fca2c255fce26a
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x557ba3a7702c - build_script_build::main::h898a35aa20f292cd
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:45
[INFO] [stderr]    9:     0x557ba3a76320 - std::rt::lang_start::{{closure}}::hec48f64403bb07b5
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64
[INFO] [stderr]   10:     0x557ba3aa9ef3 - std::rt::lang_start_internal::{{closure}}::h25858f7dd6124e1a
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   11:     0x557ba3aa9ef3 - std::panicking::try::do_call::h51cc84caa9338daf
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   12:     0x557ba3aac33a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   13:     0x557ba3aaa9ad - std::panicking::try::heb9d5da34e3fa707
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   14:     0x557ba3aaa9ad - std::panic::catch_unwind::he2a2041733180f4c
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   15:     0x557ba3aaa9ad - std::rt::lang_start_internal::h9e24cef029766dfd
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x557ba3a762f9 - std::rt::lang_start::hf09d26add35ce518
[INFO] [stderr]                                at /rustc/8f81d0bf6baf07b92f1246696722485c4ca0b049/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x557ba3a7710a - main
[INFO] [stderr]   18:     0x7f774f63a2e1 - __libc_start_main
[INFO] [stderr]   19:     0x557ba3a7245a - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "0563803bcfeeb4501c5126de094375d8ff0bef039a4d6496b1d93eb193be63a1"`
[INFO] running `"docker" "rm" "-f" "0563803bcfeeb4501c5126de094375d8ff0bef039a4d6496b1d93eb193be63a1"`
[INFO] [stdout] 0563803bcfeeb4501c5126de094375d8ff0bef039a4d6496b1d93eb193be63a1