[INFO] cloning repository https://github.com/Chou-ting-hsiao/grpcExample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chou-ting-hsiao/grpcExample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChou-ting-hsiao%2FgrpcExample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChou-ting-hsiao%2FgrpcExample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31c7e6ece6230299bd8ad6e9f8ba307f9646ad7b
[INFO] checking Chou-ting-hsiao/grpcExample against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChou-ting-hsiao%2FgrpcExample" "/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/Chou-ting-hsiao/grpcExample on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chou-ting-hsiao/grpcExample
[INFO] finished tweaking git repo https://github.com/Chou-ting-hsiao/grpcExample
[INFO] tweaked toml for git repo https://github.com/Chou-ting-hsiao/grpcExample written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Chou-ting-hsiao/grpcExample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protoc v2.8.1
[INFO] [stderr]   Downloaded protobuf v2.8.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.8.1
[INFO] [stderr]   Downloaded grpcio v0.4.5
[INFO] [stderr]   Downloaded protoc-grpcio v1.1.0
[INFO] [stderr]   Downloaded grpcio-compiler v0.5.0-alpha.2
[INFO] [stderr]   Downloaded grpcio-sys v0.4.5
[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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] 6304fa99d3538b18b64b9b5a8dfb87c169dc1490f4ff36308097c85195b84fa0
[INFO] running `Command { std: "docker" "start" "-a" "6304fa99d3538b18b64b9b5a8dfb87c169dc1490f4ff36308097c85195b84fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6304fa99d3538b18b64b9b5a8dfb87c169dc1490f4ff36308097c85195b84fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6304fa99d3538b18b64b9b5a8dfb87c169dc1490f4ff36308097c85195b84fa0", kill_on_drop: false }`
[INFO] [stdout] 6304fa99d3538b18b64b9b5a8dfb87c169dc1490f4ff36308097c85195b84fa0
[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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 140aa335b983b576afcc76b41944e58e185ad605ae5a1a416f19973df0216da3
[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" "140aa335b983b576afcc76b41944e58e185ad605ae5a1a416f19973df0216da3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling grpcio-sys v0.4.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling grpcio-compiler v0.5.0-alpha.2
[INFO] [stderr]    Compiling protoc-grpcio v1.1.0
[INFO] [stderr]    Compiling grpc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `grpc 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-84a881788e056aa4/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/protos
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to compile gRPC definitions!: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/backtrace/internal.rs:46
[INFO] [stderr]      1: failure::backtrace::Backtrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/backtrace/mod.rs:121
[INFO] [stderr]      2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/error/error_impl.rs:19
[INFO] [stderr]      3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/error/mod.rs:36
[INFO] [stderr]      4: <T as core::convert::Into<U>>::into
[INFO] [stderr]                at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/convert/mod.rs:538
[INFO] [stderr]      5: failure::context::Context<D>::with_err
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/context.rs:105
[INFO] [stderr]      6: failure::Fail::context
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/lib.rs:160
[INFO] [stderr]      7: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::{{closure}}
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/result_ext.rs:164
[INFO] [stderr]      8: core::result::Result<T,E>::map_err
[INFO] [stderr]                at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/result.rs:591
[INFO] [stderr]      9: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/result_ext.rs:164
[INFO] [stderr]     10: protoc_grpcio::write_out_generated_files
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-1.1.0/src/lib.rs:91
[INFO] [stderr]     11: protoc_grpcio::compile_grpc_protos
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-1.1.0/src/lib.rs:260
[INFO] [stderr]     12: build_script_build::main
[INFO] [stderr]                at build.rs:6
[INFO] [stderr]     13: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/ops/function.rs:227
[INFO] [stderr]     14: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]     15: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/rt.rs:66
[INFO] [stderr]     16: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/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]     17: std::rt::lang_start
[INFO] [stderr]                at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/rt.rs:65
[INFO] [stderr]     18: main
[INFO] [stderr]     19: __libc_start_main
[INFO] [stderr]     20: _start
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   failed to create "src/protos/calculate_grpc.rs"
[INFO] [stderr] 
[INFO] [stderr]   failed to write generated grpc definitions', build.rs:11:7
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55977aa654d0 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55977aa654d0 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55977aa654d0 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55977aa654d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7b3d6cac46d277e1
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55977aa86a9f - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x55977aa62dc2 - std::io::Write::write_fmt::h6010cfbb4726588b
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/io/mod.rs:1572:15
[INFO] [stderr]      6:     0x55977aa673f5 - std::sys_common::backtrace::_print::h79b4f9652330cc9d
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55977aa673f5 - std::sys_common::backtrace::print::h330bb326a76af8cf
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55977aa673f5 - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55977aa66ea3 - std::panicking::default_hook::h17e521ba6d68d6e1
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55977aa679fd - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55977aa67597 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55977aa6598c - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55977aa674f9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55977a77a861 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55977a77a753 - core::option::expect_none_failed::h354eaa93a51d71b8
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/option.rs:1329:5
[INFO] [stderr]     16:     0x55977a785582 - core::result::Result<T,E>::expect::h43b8f16a40de9475
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x55977a77ff89 - build_script_build::main::h2cc97ca4b6ea1a13
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6:5
[INFO] [stderr]     18:     0x55977a77eddb - core::ops::function::FnOnce::call_once::hfb52475ded201c31
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55977a7812fe - std::sys_common::backtrace::__rust_begin_short_backtrace::h784b1339854cdabf
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55977a77eaf1 - std::rt::lang_start::{{closure}}::hdd4d225fc6e489fd
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x55977aa67dfa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hbcc915e668c7ca11
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55977aa67dfa - std::panicking::try::do_call::h6b0f430d48122ddf
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x55977aa67dfa - std::panicking::try::h6ba420e2e21b5afa
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x55977aa67dfa - std::panic::catch_unwind::h8366719d1f615eee
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x55977aa67dfa - std::rt::lang_start_internal::h965c28c9ce06ee73
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x55977a77ead0 - std::rt::lang_start::h98dc04ced294b8ef
[INFO] [stderr]                                  at /rustc/f5f33ec0e0455eefa72fc5567eb1280a4d5ee206/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x55977a77ffbc - main
[INFO] [stderr]     28:     0x7fc8b09ea0b3 - __libc_start_main
[INFO] [stderr]     29:     0x55977a77af2e - _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" "140aa335b983b576afcc76b41944e58e185ad605ae5a1a416f19973df0216da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140aa335b983b576afcc76b41944e58e185ad605ae5a1a416f19973df0216da3", kill_on_drop: false }`
[INFO] [stdout] 140aa335b983b576afcc76b41944e58e185ad605ae5a1a416f19973df0216da3