[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 731a82b35593f77ba761b56b7d6e6202dca664c5
[INFO] checking gong023/grpc-echo-rs against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgong023%2Fgrpc-echo-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gong023/grpc-echo-rs on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4d55de7d5ffb22f4bc2d389af2072e1ffe9a1d74d23c7d8e756c3a0ffa7847b
[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" "b4d55de7d5ffb22f4bc2d389af2072e1ffe9a1d74d23c7d8e756c3a0ffa7847b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d55de7d5ffb22f4bc2d389af2072e1ffe9a1d74d23c7d8e756c3a0ffa7847b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d55de7d5ffb22f4bc2d389af2072e1ffe9a1d74d23c7d8e756c3a0ffa7847b", kill_on_drop: false }`
[INFO] [stdout] b4d55de7d5ffb22f4bc2d389af2072e1ffe9a1d74d23c7d8e756c3a0ffa7847b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14c2781079ab7fd6c988e2ff329facba35b663cc8584a036b6038be4efc54816
[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" "14c2781079ab7fd6c988e2ff329facba35b663cc8584a036b6038be4efc54816", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking slog v2.5.2
[INFO] [stderr]     Checking slog-scope v4.1.2
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]    Compiling grpcio-sys v0.4.5
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking chrono v0.4.9
[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-42138dfce93a19f9/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/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libcore/convert/mod.rs:559
[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: std::rt::lang_start::{{closure}}
[INFO] [stderr]              at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/rt.rs:67
[INFO] [stderr]   10: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]              at src/libstd/rt.rs:52
[INFO] [stderr]       std::panicking::try::do_call
[INFO] [stderr]              at src/libstd/panicking.rs:297
[INFO] [stderr]       std::panicking::try
[INFO] [stderr]              at src/libstd/panicking.rs:274
[INFO] [stderr]       std::panic::catch_unwind
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal
[INFO] [stderr]              at src/libstd/rt.rs:51
[INFO] [stderr]   11: std::rt::lang_start
[INFO] [stderr]              at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/rt.rs:67
[INFO] [stderr]   12: main
[INFO] [stderr]   13: __libc_start_main
[INFO] [stderr]   14: _start
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] Cannot find binary path }', build.rs:7:10
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5577b07851d5 - backtrace::backtrace::libunwind::trace::hc3f32ba24d88242a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x5577b07851d5 - backtrace::backtrace::trace_unsynchronized::haad2590418eb4c26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5577b07851d5 - std::sys_common::backtrace::_print_fmt::h4397782fec59f199
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x5577b07851d5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h39652f0242246c81
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x5577b07a7a8c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x5577b0782623 - std::io::Write::write_fmt::haa03b5883ee9e297
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x5577b0787710 - std::sys_common::backtrace::_print::ha6d9bdf9f438acec
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x5577b0787710 - std::sys_common::backtrace::print::ha1fba17a8e5f6bc7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5577b0787710 - std::panicking::default_hook::{{closure}}::ha3c41e6964bb5c0e
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x5577b078745c - std::panicking::default_hook::h39b8550780094336
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x5577b0787d47 - std::panicking::rust_panic_with_hook::hc8b48ce48004c103
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x5577b078794b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]   12:     0x5577b07a6e91 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stderr]                                at src/libcore/panicking.rs:86
[INFO] [stderr]   13:     0x5577b07a6cb3 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stderr]                                at src/libcore/option.rs:1272
[INFO] [stderr]   14:     0x5577b0741ef8 - core::result::Result<T,E>::expect::hd197298e368186de
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x5577b07410bb - build_script_build::main::h95b890c2f9e1a011
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]   16:     0x5577b073f44b - std::rt::lang_start::{{closure}}::h7e5a3f5209b6c2e7
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x5577b0788118 - std::rt::lang_start_internal::{{closure}}::h980666b660b57c6b
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x5577b0788118 - std::panicking::try::do_call::h350bf2b82f81cf24
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   19:     0x5577b0788118 - std::panicking::try::hcafd728f614c0cb2
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x5577b0788118 - std::panic::catch_unwind::h301dc6a83a38a171
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x5577b0788118 - std::rt::lang_start_internal::hf4abd869024c3270
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x5577b073f427 - std::rt::lang_start::hcc4e866750093b72
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x5577b074176a - main
[INFO] [stderr]   24:     0x7f25ad0dc0b3 - __libc_start_main
[INFO] [stderr]   25:     0x5577b07361be - _start
[INFO] [stderr]   26:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "14c2781079ab7fd6c988e2ff329facba35b663cc8584a036b6038be4efc54816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c2781079ab7fd6c988e2ff329facba35b663cc8584a036b6038be4efc54816", kill_on_drop: false }`
[INFO] [stdout] 14c2781079ab7fd6c988e2ff329facba35b663cc8584a036b6038be4efc54816