[INFO] cloning repository https://github.com/gong023/grpc-echo-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gong023/grpc-echo-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgong023%2Fgrpc-echo-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgong023%2Fgrpc-echo-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 731a82b35593f77ba761b56b7d6e6202dca664c5
[INFO] checking gong023/grpc-echo-rs against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgong023%2Fgrpc-echo-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gong023/grpc-echo-rs on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gong023/grpc-echo-rs
[INFO] finished tweaking git repo https://github.com/gong023/grpc-echo-rs
[INFO] tweaked toml for git repo https://github.com/gong023/grpc-echo-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/gong023/grpc-echo-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef04d986f29d2b84075e2640d87527df5aed4314878aa2e90045d0a1a223966e
[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" "ef04d986f29d2b84075e2640d87527df5aed4314878aa2e90045d0a1a223966e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef04d986f29d2b84075e2640d87527df5aed4314878aa2e90045d0a1a223966e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef04d986f29d2b84075e2640d87527df5aed4314878aa2e90045d0a1a223966e", kill_on_drop: false }`
[INFO] [stdout] ef04d986f29d2b84075e2640d87527df5aed4314878aa2e90045d0a1a223966e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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] 9212db2640a09ec351dd6aa776ec27278dc4865aca91b1c61d486625644d95f4
[INFO] running `Command { std: "docker" "start" "-a" "9212db2640a09ec351dd6aa776ec27278dc4865aca91b1c61d486625644d95f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-scope v4.1.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]    Compiling grpcio-sys v0.4.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]    Compiling grpcio-compiler v0.4.3
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling grpc-echo-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `grpc-echo-rs v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/grpc-echo-rs-e9394b8bf4d39948/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   start generating proto
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at '`grpc_rust_plugin` is not found in path: Error { inner: stack backtrace:
[INFO] [stderr]      0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stderr]      1: failure::backtrace::Backtrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stderr]      2: failure::context::Context<D>::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/context.rs:84
[INFO] [stderr]      3: <which::error::Error as core::convert::From<which::error::ErrorKind>>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/error.rs:59
[INFO] [stderr]      4: <T as core::convert::Into<U>>::into
[INFO] [stderr]                at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/convert/mod.rs:538
[INFO] [stderr]      5: which::finder::Finder::find
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/finder.rs:85
[INFO] [stderr]      6: which::which_in
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/lib.rs:83
[INFO] [stderr]      7: which::which
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/lib.rs:67
[INFO] [stderr]      8: build_script_build::main
[INFO] [stderr]                at build.rs:6
[INFO] [stderr]      9: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:227
[INFO] [stderr]     10: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]     11: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:66
[INFO] [stderr]     12: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at library/std/src/panicking.rs:379
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at library/std/src/panicking.rs:343
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at library/std/src/panic.rs:431
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at library/std/src/rt.rs:51
[INFO] [stderr]     13: std::rt::lang_start
[INFO] [stderr]                at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:65
[INFO] [stderr]     14: main
[INFO] [stderr]     15: __libc_start_main
[INFO] [stderr]     16: _start
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   Cannot find binary path }', build.rs:7:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56541f44d5d0 - std::backtrace_rs::backtrace::libunwind::trace::hfe3b1cace85e87d8
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56541f44d5d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h542330af06479043
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56541f44d5d0 - std::sys_common::backtrace::_print_fmt::h6b88726367858985
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56541f44d5d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcd76ce6b485adbea
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56541f467b7f - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x56541f44af92 - std::io::Write::write_fmt::h0facb64ef2e7f5d8
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/io/mod.rs:1567:15
[INFO] [stderr]      6:     0x56541f44f425 - std::sys_common::backtrace::_print::h7bf1633ea5421f7b
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56541f44f425 - std::sys_common::backtrace::print::h5cc4d09049928ba5
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56541f44f425 - std::panicking::default_hook::{{closure}}::h9e84dc005bfc9fc7
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56541f44eed3 - std::panicking::default_hook::h123278a03b1f796b
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56541f44fa2d - std::panicking::rust_panic_with_hook::h4040631aa6c7bc27
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x56541f44f5c7 - std::panicking::begin_panic_handler::{{closure}}::h02a17b22ac092d08
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x56541f44da8c - std::sys_common::backtrace::__rust_end_short_backtrace::h6063b024443b5852
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56541f44f529 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x56541f3f3381 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56541f3f3273 - core::option::expect_none_failed::h354eaa93a51d71b8
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/option.rs:1329:5
[INFO] [stderr]     16:     0x56541f3f6cf8 - core::result::Result<T,E>::expect::h0088d2efa467ab08
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x56541f3f73eb - build_script_build::main::h0b5c34e973db4d64
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6:33
[INFO] [stderr]     18:     0x56541f3fb34b - core::ops::function::FnOnce::call_once::hdf302e8d999f6fb0
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x56541f3faf5e - std::sys_common::backtrace::__rust_begin_short_backtrace::h15d062bf84742430
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x56541f3f6361 - std::rt::lang_start::{{closure}}::h53c3bdded21ac982
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x56541f44fe2a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3695a3fbbe44c001
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x56541f44fe2a - std::panicking::try::do_call::he9f4b5f706c7e58d
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x56541f44fe2a - std::panicking::try::h789d448ccf87fe6d
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x56541f44fe2a - std::panic::catch_unwind::h7a6b31f16004913a
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x56541f44fe2a - std::rt::lang_start_internal::h80897b41b254b288
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x56541f3f6340 - std::rt::lang_start::h9bace4f869cdacd5
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x56541f3f7a8c - main
[INFO] [stderr]     28:     0x7ff5a63080b3 - __libc_start_main
[INFO] [stderr]     29:     0x56541f3f39ee - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9212db2640a09ec351dd6aa776ec27278dc4865aca91b1c61d486625644d95f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9212db2640a09ec351dd6aa776ec27278dc4865aca91b1c61d486625644d95f4", kill_on_drop: false }`
[INFO] [stdout] 9212db2640a09ec351dd6aa776ec27278dc4865aca91b1c61d486625644d95f4