[INFO] updating cached repository https://github.com/shameless3/rust_kvserver
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f06bab2ca55876d12cbe8b86b75246f2a172509b
[INFO] testing shameless3/rust_kvserver against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshameless3%2Frust_kvserver" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shameless3/rust_kvserver on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/shameless3/rust_kvserver
[INFO] finished tweaking git repo https://github.com/shameless3/rust_kvserver
[INFO] tweaked toml for git repo https://github.com/shameless3/rust_kvserver written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/shameless3/rust_kvserver already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5f2536fca48a61434ef69efee3d2937c24814ab19c3fa4f88cd802f53617de58
[INFO] running `"docker" "start" "-a" "5f2536fca48a61434ef69efee3d2937c24814ab19c3fa4f88cd802f53617de58"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling protobuf v2.7.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling protoc v2.7.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling grpcio-sys v0.4.4
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling derive-new v0.5.6
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling protobuf-codegen v2.7.0
[INFO] [stderr]    Compiling grpcio-compiler v0.5.0-alpha
[INFO] [stderr]    Compiling protoc-grpcio v1.0.2
[INFO] [stderr]    Compiling week1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `week1 v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/week1-d60787dda60525f8/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:return-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::hd791602d5bf33ccd (0x56537fe312fc)
[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::h15f0ea62f2815456 (0x56537fe2f96e)
[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::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h83b62728006899e8 (0x56537fe1a3bd)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stderr]    3: <failure::error::Error as core::convert::From<F>>::from::h0328d8a58abbd257 (0x56537fe1ca8f)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stderr]    4: <T as core::convert::Into<U>>::into::he7cdc51ff936353d (0x56537fe1b81f)
[INFO] [stderr]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/convert/mod.rs:559
[INFO] [stderr]    5: failure::context::Context<D>::with_err::h54565293a97c9260 (0x56537fe0ff7e)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/context.rs:105
[INFO] [stderr]    6: failure::Fail::context::h17d738f3051e96bd (0x56537fe1b9e6)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/lib.rs:160
[INFO] [stderr]    7: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::{{closure}}::h62d40a353bdeaaa7 (0x56537fe1cdd6)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/result_ext.rs:164
[INFO] [stderr]    8: core::result::Result<T,E>::map_err::hdb486b5b4f17fe76 (0x56537fe172f2)
[INFO] [stderr]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/result.rs:612
[INFO] [stderr]    9: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::h24f38bced7fbb0d2 (0x56537fe1799e)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/result_ext.rs:164
[INFO] [stderr]   10: protoc_grpcio::write_out_generated_files::h86dd802d39c688ba (0x56537fe0dbdf)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-1.0.2/src/lib.rs:91
[INFO] [stderr]   11: protoc_grpcio::compile_grpc_protos::h15100fe5ae7b2b58 (0x56537fe0cef4)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-1.0.2/src/lib.rs:260
[INFO] [stderr]   12: build_script_build::main::hf7df53ad3b3ba8d8 (0x56537fe11e61)
[INFO] [stderr]              at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]   13: std::rt::lang_start::{{closure}}::h1b776c6e45497f5e (0x56537fe1c53b)
[INFO] [stderr]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67
[INFO] [stderr]   14: std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f (0x56538010a3f8)
[INFO] [stderr]              at src/libstd/rt.rs:52
[INFO] [stderr]       std::panicking::try::do_call::h54d9370b0ac83700
[INFO] [stderr]              at src/libstd/panicking.rs:297
[INFO] [stderr]       std::panicking::try::h85e1c41421d5b6f9
[INFO] [stderr]              at src/libstd/panicking.rs:274
[INFO] [stderr]       std::panic::catch_unwind::hfd957e6c9fdcf274
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::hed9744eef32ef5a1
[INFO] [stderr]              at src/libstd/rt.rs:51
[INFO] [stderr]   15: std::rt::lang_start::h73a5772117d724ac (0x56537fe1c517)
[INFO] [stderr]              at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67
[INFO] [stderr]   16: main (0x56537fe11eda)
[INFO] [stderr]   17: __libc_start_main (0x7f714414e0b3)
[INFO] [stderr]   18: _start (0x56537fe081ce)
[INFO] [stderr]   19: <unknown> (0x0)
[INFO] [stderr] 
[INFO] [stderr] failed to create "src/protos/kvserver_grpc.rs"
[INFO] [stderr] 
[INFO] [stderr] failed to write generated grpc definitions', build.rs:6:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5653801073e5 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x5653801073e5 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5653801073e5 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x5653801073e5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3ec6bdab62f1e8d9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x565380130aec - core::fmt::write::h935cb0ed4078a853
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x565380104903 - std::io::Write::write_fmt::hc912aacf8d691eb3
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x5653801099f0 - std::sys_common::backtrace::_print::h460db802d801ccf8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x5653801099f0 - std::sys_common::backtrace::print::h399d664f56640530
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x5653801099f0 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x56538010973c - std::panicking::default_hook::hfdceba6d6d1a18ae
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x56538010a027 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63
[INFO] [stderr]                                at src/libstd/panicking.rs:486
[INFO] [stderr]   11:     0x565380109c2b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:388
[INFO] [stderr]   12:     0x56538012ea51 - core::panicking::panic_fmt::habd7df443069602c
[INFO] [stderr]                                at src/libcore/panicking.rs:101
[INFO] [stderr]   13:     0x56538012e873 - core::option::expect_none_failed::h721078758a086285
[INFO] [stderr]                                at src/libcore/option.rs:1272
[INFO] [stderr]   14:     0x56537fe16b96 - core::result::Result<T,E>::expect::ha2ac6b4ee831149d
[INFO] [stderr]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x56537fe11e9b - build_script_build::main::hf7df53ad3b3ba8d8
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]   16:     0x56537fe1c53b - std::rt::lang_start::{{closure}}::h1b776c6e45497f5e
[INFO] [stderr]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x56538010a3f8 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x56538010a3f8 - std::panicking::try::do_call::h54d9370b0ac83700
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   19:     0x56538010a3f8 - std::panicking::try::h85e1c41421d5b6f9
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x56538010a3f8 - std::panic::catch_unwind::hfd957e6c9fdcf274
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x56538010a3f8 - std::rt::lang_start_internal::hed9744eef32ef5a1
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x56537fe1c517 - std::rt::lang_start::h73a5772117d724ac
[INFO] [stderr]                                at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x56537fe11eda - main
[INFO] [stderr]   24:     0x7f714414e0b3 - __libc_start_main
[INFO] [stderr]   25:     0x56537fe081ce - _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 `"docker" "inspect" "5f2536fca48a61434ef69efee3d2937c24814ab19c3fa4f88cd802f53617de58"`
[INFO] running `"docker" "rm" "-f" "5f2536fca48a61434ef69efee3d2937c24814ab19c3fa4f88cd802f53617de58"`
[INFO] [stdout] 5f2536fca48a61434ef69efee3d2937c24814ab19c3fa4f88cd802f53617de58