[INFO] cloning repository https://github.com/mid-player/broker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mid-player/broker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmid-player%2Fbroker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmid-player%2Fbroker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4228c09ee0b64e69d0eec4ebbfc2b302773c954a
[INFO] checking mid-player/broker against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmid-player%2Fbroker" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mid-player/broker on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mid-player/broker
[INFO] finished tweaking git repo https://github.com/mid-player/broker
[INFO] tweaked toml for git repo https://github.com/mid-player/broker written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mid-player/broker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf-codegen v2.1.4
[INFO] [stderr]   Downloaded owning_ref v0.2.4
[INFO] [stderr]   Downloaded parking_lot v0.3.8
[INFO] [stderr]   Downloaded chashmap v2.2.0
[INFO] [stderr]   Downloaded protobuf v2.1.4
[INFO] [stderr]   Downloaded protoc v2.1.4
[INFO] [stderr]   Downloaded protoc-rust v2.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 700f831e2bf94885249408ae624733bf10bb74029f379d0ea3ba1f980962d599
[INFO] running `Command { std: "docker" "start" "-a" "700f831e2bf94885249408ae624733bf10bb74029f379d0ea3ba1f980962d599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "700f831e2bf94885249408ae624733bf10bb74029f379d0ea3ba1f980962d599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "700f831e2bf94885249408ae624733bf10bb74029f379d0ea3ba1f980962d599", kill_on_drop: false }`
[INFO] [stdout] 700f831e2bf94885249408ae624733bf10bb74029f379d0ea3ba1f980962d599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d01a12fd4a6a42de7957ac4bf5d00f0d825b33359ccb038d551e719cae22fb3
[INFO] running `Command { std: "docker" "start" "-a" "3d01a12fd4a6a42de7957ac4bf5d00f0d825b33359ccb038d551e719cae22fb3", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling protobuf v2.1.4
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]    Compiling protoc v2.1.4
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking chashmap v2.2.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[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/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mid-player-broker v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mid-player-broker-465ba79f4d95064c/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: "protoc exited with non-zero exit code" }', build.rs:9:6
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55eb27be54d0 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55eb27be54d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55eb27be54d0 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x55eb27be54d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb0ad78ee1571f7e0
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55eb27c09a7c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x55eb27be2ac2 - std::io::Write::write_fmt::hf7b7d7b243f84a36
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x55eb27be799d - std::sys_common::backtrace::_print::hd093978a5287b8ff
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55eb27be799d - std::sys_common::backtrace::print::h20f46787581d56d7
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55eb27be799d - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x55eb27be7648 - std::panicking::default_hook::h4190c9e3edd4d591
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x55eb27be8021 - std::panicking::rust_panic_with_hook::h72e78719cdda225c
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x55eb27be7bc9 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x55eb27be595c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x55eb27be7b89 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x55eb27c07951 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x55eb27c07773 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/option.rs:1234
[INFO] [stderr]     16:     0x55eb279c0540 - core::result::Result<T,E>::unwrap::h162781e43414116a
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/result.rs:973
[INFO] [stderr]     17:     0x55eb27981331 - build_script_build::gen_pb_protocols::hbbf22e7b452486a9
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4
[INFO] [stderr]     18:     0x55eb27981346 - build_script_build::main::h9f47de1b24f63649
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:13
[INFO] [stderr]     19:     0x55eb279813ab - core::ops::function::FnOnce::call_once::ha8693e9aacc21cd9
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/ops/function.rs:227
[INFO] [stderr]     20:     0x55eb279814ae - std::sys_common::backtrace::__rust_begin_short_backtrace::ha70ca64ad5124ebf
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     21:     0x55eb27981481 - std::rt::lang_start::{{closure}}::h063ff67be55590b8
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:66
[INFO] [stderr]     22:     0x55eb27be8447 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e15f43ce28787f7
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/ops/function.rs:259
[INFO] [stderr]     23:     0x55eb27be8447 - std::panicking::try::do_call::h764f1891769113e9
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:381
[INFO] [stderr]     24:     0x55eb27be8447 - std::panicking::try::h0f2fe4fdd5e0ad19
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:345
[INFO] [stderr]     25:     0x55eb27be8447 - std::panic::catch_unwind::h1634e40dd3a19f80
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panic.rs:382
[INFO] [stderr]     26:     0x55eb27be8447 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:51
[INFO] [stderr]     27:     0x55eb27981457 - std::rt::lang_start::h090289cf0b62ae3b
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:65
[INFO] [stderr]     28:     0x55eb2798137a - main
[INFO] [stderr]     29:     0x7f43c49de0b3 - __libc_start_main
[INFO] [stderr]     30:     0x55eb279810ce - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3d01a12fd4a6a42de7957ac4bf5d00f0d825b33359ccb038d551e719cae22fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d01a12fd4a6a42de7957ac4bf5d00f0d825b33359ccb038d551e719cae22fb3", kill_on_drop: false }`
[INFO] [stdout] 3d01a12fd4a6a42de7957ac4bf5d00f0d825b33359ccb038d551e719cae22fb3