[INFO] updating cached repository mid-player/broker
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mid-player/broker
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mid-player/broker" "work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/mid-player/broker"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/mid-player/broker'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mid-player/broker" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/mid-player/broker"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/mid-player/broker'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4228c09ee0b64e69d0eec4ebbfc2b302773c954a
[INFO] sha for GitHub repo mid-player/broker: 4228c09ee0b64e69d0eec4ebbfc2b302773c954a
[INFO] validating manifest of mid-player/broker on toolchain master#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mid-player/broker on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mid-player/broker
[INFO] finished frobbing mid-player/broker
[INFO] frobbed toml for mid-player/broker written to work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/mid-player/broker/Cargo.toml
[INFO] started frobbing mid-player/broker
[INFO] finished frobbing mid-player/broker
[INFO] frobbed toml for mid-player/broker written to work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/mid-player/broker/Cargo.toml
[INFO] crate mid-player/broker already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mid-player/broker against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-5/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/mid-player/broker:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 13bda46a80e72a54ea0ac72145b815e7a34efae59ab2c48b667141f3ae22fca1
[INFO] running `"docker" "start" "-a" "13bda46a80e72a54ea0ac72145b815e7a34efae59ab2c48b667141f3ae22fca1"`
[INFO] [stderr]    Compiling protobuf v2.1.4
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling protoc v2.1.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking chashmap v2.2.0
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]    Compiling protobuf-codegen v2.1.4
[INFO] [stderr]    Compiling protoc-rust v2.1.4
[INFO] [stderr]    Compiling mid-player-broker v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `mid-player-broker v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/mid-player-broker-e9f8076ed2de78c7/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] protocols/proto: warning: directory does not exist.
[INFO] [stderr] protocols/proto/clients_protocol.proto: No such file or directory
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Custom { kind: Other, error: StringError("protoc exited with non-zero exit code") }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5582f7c3fce3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hfa97320445f5527e
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5582f7c3b3eb - std::sys_common::backtrace::_print::hd3b576ae93ab7edf
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5582f7c3eb06 - std::panicking::default_hook::{{closure}}::hc91771277650363b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5582f7c3e899 - std::panicking::default_hook::h907980fba90a05d4
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x5582f7c3f15f - std::panicking::rust_panic_with_hook::h54b15fd7dd35bcdd
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x5582f7c3ece1 - std::panicking::continue_panic_fmt::h26423b23bd3f9b26
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x5582f7c3ebc5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x5582f7c5934c - core::panicking::panic_fmt::hf4679579a9cfdecf
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x5582f79826b7 - core::result::unwrap_failed::h0b998d0b0db287ad
[INFO] [stderr]                                at /rustc/589beb979c0f1a9736e02e578913db88398c3ba5/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x5582f798466f - core::result::Result<T,E>::unwrap::h064b9d0811b0ccb1
[INFO] [stderr]                                at /rustc/589beb979c0f1a9736e02e578913db88398c3ba5/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x5582f797e8e5 - build_script_build::gen_pb_protocols::hb97ad5b4bf24f623
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:4
[INFO] [stderr]   11:     0x5582f797e8f5 - build_script_build::main::ha6c76a675dc4d6d7
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:13
[INFO] [stderr]   12:     0x5582f797e9af - std::rt::lang_start::{{closure}}::h332787334c1f92e9
[INFO] [stderr]                                at /rustc/589beb979c0f1a9736e02e578913db88398c3ba5/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x5582f7c3ebb2 - std::panicking::try::do_call::h1f4120859950b8a8
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   14:     0x5582f7c461b9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15:     0x5582f7c3f66c - std::rt::lang_start_internal::hbc39bfd78551214b
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x5582f797e988 - std::rt::lang_start::h33d511bce4f104e4
[INFO] [stderr]                                at /rustc/589beb979c0f1a9736e02e578913db88398c3ba5/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x5582f797e929 - main
[INFO] [stderr]   18:     0x7f34d98112e0 - __libc_start_main
[INFO] [stderr]   19:     0x5582f797e4b9 - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "13bda46a80e72a54ea0ac72145b815e7a34efae59ab2c48b667141f3ae22fca1"`
[INFO] running `"docker" "rm" "-f" "13bda46a80e72a54ea0ac72145b815e7a34efae59ab2c48b667141f3ae22fca1"`
[INFO] [stdout] 13bda46a80e72a54ea0ac72145b815e7a34efae59ab2c48b667141f3ae22fca1