[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#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[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 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c01910e0e4c3481c41161cac68bbf6a5b10036600e36401048200b13bd507124
[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" "c01910e0e4c3481c41161cac68bbf6a5b10036600e36401048200b13bd507124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c01910e0e4c3481c41161cac68bbf6a5b10036600e36401048200b13bd507124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c01910e0e4c3481c41161cac68bbf6a5b10036600e36401048200b13bd507124", kill_on_drop: false }`
[INFO] [stdout] c01910e0e4c3481c41161cac68bbf6a5b10036600e36401048200b13bd507124
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab76bf810ad5f14a25e32c309a8e091f9335fcdd53ff6bb749cbc59c4f1bdb1c
[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" "ab76bf810ad5f14a25e32c309a8e091f9335fcdd53ff6bb749cbc59c4f1bdb1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling syn v0.15.44
[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 byteorder v1.3.2
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking slog-scope v4.1.2
[INFO] [stderr]     Checking slog-async v2.3.0
[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]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[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-e5469da121450869/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/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/convert/mod.rs:563
[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/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/ops/function.rs:233
[INFO] [stderr]     10: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     11: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/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/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/ops/function.rs:265
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at library/std/src/panicking.rs:373
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at library/std/src/panicking.rs:337
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at library/std/src/panic.rs:394
[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/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/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:     0x557fe42b7170 - std::backtrace_rs::backtrace::libunwind::trace::ha1eabb142084ea37
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x557fe42b7170 - std::backtrace_rs::backtrace::trace_unsynchronized::hbb8825661d997281
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x557fe42b7170 - std::sys_common::backtrace::_print_fmt::h26d850e2f7183914
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x557fe42b7170 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3834b06f68a2b012
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x557fe42d51ec - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x557fe42b4875 - std::io::Write::write_fmt::h9c0c8944a1898139
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x557fe42b9320 - std::sys_common::backtrace::_print::h693c0c2cc41d4d10
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x557fe42b9320 - std::sys_common::backtrace::print::h213be73e5670b8ea
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x557fe42b9320 - std::panicking::default_hook::{{closure}}::h2d49a3361cc4e7ea
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:200
[INFO] [stderr]      9:     0x557fe42b906c - std::panicking::default_hook::hd41fbdeba93207ba
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:219
[INFO] [stderr]     10:     0x557fe42b9983 - std::panicking::rust_panic_with_hook::hcab398664b4bd473
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:569
[INFO] [stderr]     11:     0x557fe42b9559 - std::panicking::begin_panic_handler::{{closure}}::h7512c6f2998ba93d
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:476
[INFO] [stderr]     12:     0x557fe42b75dc - std::sys_common::backtrace::__rust_end_short_backtrace::h1a25d7e7e1864d3d
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x557fe42b9519 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:475
[INFO] [stderr]     14:     0x557fe42d45f1 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x557fe42d4413 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/option.rs:1274
[INFO] [stderr]     16:     0x557fe4265b18 - core::result::Result<T,E>::expect::h5f0fe1f0764fc736
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/result.rs:963
[INFO] [stderr]     17:     0x557fe426619b - build_script_build::main::hb0e201bf01f0c530
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]     18:     0x557fe42670eb - core::ops::function::FnOnce::call_once::h6d9b177eac383a7c
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/ops/function.rs:233
[INFO] [stderr]     19:     0x557fe425f4ce - std::sys_common::backtrace::__rust_begin_short_backtrace::h9f1a251fd8ed9bd8
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x557fe4261571 - std::rt::lang_start::{{closure}}::h39fe0152e8953120
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x557fe42b9d92 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hde9814ae740a85dc
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/core/src/ops/function.rs:265
[INFO] [stderr]     22:     0x557fe42b9d92 - std::panicking::try::do_call::h3026bab8cd7540d7
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:373
[INFO] [stderr]     23:     0x557fe42b9d92 - std::panicking::try::h852bb5e5a66f7f84
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panicking.rs:337
[INFO] [stderr]     24:     0x557fe42b9d92 - std::panic::catch_unwind::hfeb0f3dddf7c6a72
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/panic.rs:394
[INFO] [stderr]     25:     0x557fe42b9d92 - std::rt::lang_start_internal::h32f0ac6e87476559
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x557fe4261547 - std::rt::lang_start::h938766e0acf1f63d
[INFO] [stderr]                                  at /rustc/5e3f1b148db5bfa27fee52464ae1f5d34c49d77b/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x557fe426684a - main
[INFO] [stderr]     28:     0x7f292f4920b3 - __libc_start_main
[INFO] [stderr]     29:     0x557fe425c19e - _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" "ab76bf810ad5f14a25e32c309a8e091f9335fcdd53ff6bb749cbc59c4f1bdb1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab76bf810ad5f14a25e32c309a8e091f9335fcdd53ff6bb749cbc59c4f1bdb1c", kill_on_drop: false }`
[INFO] [stdout] ab76bf810ad5f14a25e32c309a8e091f9335fcdd53ff6bb749cbc59c4f1bdb1c