[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#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChou-ting-hsiao%2FgrpcExample" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chou-ting-hsiao/grpcExample on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/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" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7171ffacf5e3f48ef756822caff40bed6a7e0916ddd9e206300a65d2783de5f0
[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" "7171ffacf5e3f48ef756822caff40bed6a7e0916ddd9e206300a65d2783de5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7171ffacf5e3f48ef756822caff40bed6a7e0916ddd9e206300a65d2783de5f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7171ffacf5e3f48ef756822caff40bed6a7e0916ddd9e206300a65d2783de5f0", kill_on_drop: false }`
[INFO] [stdout] 7171ffacf5e3f48ef756822caff40bed6a7e0916ddd9e206300a65d2783de5f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] 2e3aca162a74532c211bfdbb9ffbcaee86c24398967eca5b690f404ad58e049f
[INFO] running `Command { std: "docker" "start" "-a" "2e3aca162a74532c211bfdbb9ffbcaee86c24398967eca5b690f404ad58e049f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling grpcio-sys v0.4.5
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling failure_derive v0.1.6
[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-7b3f27f4513a3bf1/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/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/core/src/convert/mod.rs:563
[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/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/core/src/result.rs:612
[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: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:67
[INFO] [stderr]     14: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at library/std/src/rt.rs:52
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at library/std/src/panicking.rs:348
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at library/std/src/panicking.rs:325
[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]     15: std::rt::lang_start
[INFO] [stderr]                at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:67
[INFO] [stderr]     16: main
[INFO] [stderr]     17: __libc_start_main
[INFO] [stderr]     18: _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:     0x5625f6ae134f - std::backtrace_rs::backtrace::libunwind::trace::h21c0966c343fddd8
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5625f6ae134f - std::backtrace_rs::backtrace::trace_unsynchronized::h62cde0754779ae3a
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5625f6ae134f - std::sys_common::backtrace::_print_fmt::hb2d70198918acf1c
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x5625f6ae134f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5a9d4ddd4d99b877
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5625f6b06d7c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x5625f6ade8d5 - std::io::Write::write_fmt::h2dbf1bb0d9f42142
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x5625f6ae38b0 - std::sys_common::backtrace::_print::h1091565a54a3c462
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5625f6ae38b0 - std::sys_common::backtrace::print::hc9759e13a502cda2
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5625f6ae38b0 - std::panicking::default_hook::{{closure}}::hd35b8516a1d88160
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:198
[INFO] [stderr]      9:     0x5625f6ae35fc - std::panicking::default_hook::h0dcf88ad4d72ec5e
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:217
[INFO] [stderr]     10:     0x5625f6ae3ef3 - std::panicking::rust_panic_with_hook::h81c308f7accbe523
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:526
[INFO] [stderr]     11:     0x5625f6ae3aeb - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:437
[INFO] [stderr]     12:     0x5625f6b04ce1 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/core/src/panicking.rs:85
[INFO] [stderr]     13:     0x5625f6b04b03 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/core/src/option.rs:1274
[INFO] [stderr]     14:     0x5625f67eacd6 - core::result::Result<T,E>::expect::h5c100903caa5c38c
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/core/src/result.rs:963
[INFO] [stderr]     15:     0x5625f67e5fab - build_script_build::main::h7b5b47ba060192a8
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]     16:     0x5625f67f07eb - std::rt::lang_start::{{closure}}::h34602731ca82a977
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:67
[INFO] [stderr]     17:     0x5625f6ae4306 - std::rt::lang_start_internal::{{closure}}::hdb90dc0481c9e8f6
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:52
[INFO] [stderr]     18:     0x5625f6ae4306 - std::panicking::try::do_call::he0af14a67f26ea71
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:348
[INFO] [stderr]     19:     0x5625f6ae4306 - std::panicking::try::h87d5f0e2c2fee1c5
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:325
[INFO] [stderr]     20:     0x5625f6ae4306 - std::panic::catch_unwind::he9266eec484f0287
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panic.rs:394
[INFO] [stderr]     21:     0x5625f6ae4306 - std::rt::lang_start_internal::hb54283a40e32dc37
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:51
[INFO] [stderr]     22:     0x5625f67f07c7 - std::rt::lang_start::h3000a2dba706021c
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:67
[INFO] [stderr]     23:     0x5625f67e5fea - main
[INFO] [stderr]     24:     0x7fa480f8f0b3 - __libc_start_main
[INFO] [stderr]     25:     0x5625f67dc1ae - _start
[INFO] [stderr]     26:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2e3aca162a74532c211bfdbb9ffbcaee86c24398967eca5b690f404ad58e049f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3aca162a74532c211bfdbb9ffbcaee86c24398967eca5b690f404ad58e049f", kill_on_drop: false }`
[INFO] [stdout] 2e3aca162a74532c211bfdbb9ffbcaee86c24398967eca5b690f404ad58e049f