[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#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmid-player%2Fbroker" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mid-player/broker on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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-1/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot v0.3.8
[INFO] [stderr]   Downloaded chashmap v2.2.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.1.4
[INFO] [stderr]   Downloaded owning_ref v0.2.4
[INFO] [stderr]   Downloaded protobuf v2.1.4
[INFO] [stderr]   Downloaded protoc-rust v2.1.4
[INFO] [stderr]   Downloaded protoc v2.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44a114401d82f04959c60d20ecb57c6c6c13d2f169e557462fc9bff5ae3bf15e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "44a114401d82f04959c60d20ecb57c6c6c13d2f169e557462fc9bff5ae3bf15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44a114401d82f04959c60d20ecb57c6c6c13d2f169e557462fc9bff5ae3bf15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44a114401d82f04959c60d20ecb57c6c6c13d2f169e557462fc9bff5ae3bf15e", kill_on_drop: false }`
[INFO] [stdout] 44a114401d82f04959c60d20ecb57c6c6c13d2f169e557462fc9bff5ae3bf15e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53bfa240305681a619aadcd13852505c37f04e39b37f63cb6c6c4cf933b254aa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "53bfa240305681a619aadcd13852505c37f04e39b37f63cb6c6c4cf933b254aa", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[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 rand_core v0.3.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling protobuf v2.1.4
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]     Checking owning_ref v0.2.4
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]    Compiling protoc v2.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking parking_lot v0.3.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking chashmap v2.2.0
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-tcp 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:     0x5568f86999f0 - std::backtrace_rs::backtrace::libunwind::trace::ha1eabb142084ea37
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5568f86999f0 - std::backtrace_rs::backtrace::trace_unsynchronized::hbb8825661d997281
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5568f86999f0 - std::sys_common::backtrace::_print_fmt::h26d850e2f7183914
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x5568f86999f0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3834b06f68a2b012
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5568f86bf45c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x5568f8697195 - std::io::Write::write_fmt::h9c0c8944a1898139
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x5568f869bf90 - std::sys_common::backtrace::_print::h693c0c2cc41d4d10
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5568f869bf90 - std::sys_common::backtrace::print::h213be73e5670b8ea
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5568f869bf90 - std::panicking::default_hook::{{closure}}::h2d49a3361cc4e7ea
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x5568f869bcdc - std::panicking::default_hook::hd41fbdeba93207ba
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x5568f869c5f3 - std::panicking::rust_panic_with_hook::hcab398664b4bd473
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x5568f869c1c9 - std::panicking::begin_panic_handler::{{closure}}::h7512c6f2998ba93d
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x5568f8699e5c - std::sys_common::backtrace::__rust_end_short_backtrace::h1a25d7e7e1864d3d
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x5568f869c189 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x5568f86bd3c1 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x5568f86bd1e3 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/option.rs:1274
[INFO] [stderr]     16:     0x5568f844d410 - core::result::Result<T,E>::unwrap::h5e95d9490693cae0
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/result.rs:1005
[INFO] [stderr]     17:     0x5568f844634a - build_script_build::gen_pb_protocols::hbbf22e7b452486a9
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4
[INFO] [stderr]     18:     0x5568f8446366 - build_script_build::main::h9f47de1b24f63649
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:13
[INFO] [stderr]     19:     0x5568f844640b - core::ops::function::FnOnce::call_once::haf9400906c360db0
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/ops/function.rs:233
[INFO] [stderr]     20:     0x5568f84463ae - std::sys_common::backtrace::__rust_begin_short_backtrace::hf01e8d84e7fe7210
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     21:     0x5568f84464d1 - std::rt::lang_start::{{closure}}::h4a018f6b96300c65
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:66
[INFO] [stderr]     22:     0x5568f869ca02 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hde9814ae740a85dc
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/core/src/ops/function.rs:265
[INFO] [stderr]     23:     0x5568f869ca02 - std::panicking::try::do_call::h3026bab8cd7540d7
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:373
[INFO] [stderr]     24:     0x5568f869ca02 - std::panicking::try::h852bb5e5a66f7f84
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panicking.rs:337
[INFO] [stderr]     25:     0x5568f869ca02 - std::panic::catch_unwind::hfeb0f3dddf7c6a72
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/panic.rs:394
[INFO] [stderr]     26:     0x5568f869ca02 - std::rt::lang_start_internal::h32f0ac6e87476559
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:51
[INFO] [stderr]     27:     0x5568f84464a7 - std::rt::lang_start::h72ed2dbbc1c1cd06
[INFO] [stderr]                                  at /rustc/f6e2f78768c57172b99c3e85892f867894dc7e30/library/std/src/rt.rs:65
[INFO] [stderr]     28:     0x5568f844639a - main
[INFO] [stderr]     29:     0x7f584fe420b3 - __libc_start_main
[INFO] [stderr]     30:     0x5568f84460ce - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "53bfa240305681a619aadcd13852505c37f04e39b37f63cb6c6c4cf933b254aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53bfa240305681a619aadcd13852505c37f04e39b37f63cb6c6c4cf933b254aa", kill_on_drop: false }`
[INFO] [stdout] 53bfa240305681a619aadcd13852505c37f04e39b37f63cb6c6c4cf933b254aa