[INFO] cloning repository https://github.com/GlitterIsMe/MyKVServer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GlitterIsMe/MyKVServer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitterIsMe%2FMyKVServer"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitterIsMe%2FMyKVServer'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 211943e7e5e76f2a3ae70c22968a3c0bbe793e12
[INFO] checking GlitterIsMe/MyKVServer against master#7f940ef5d91b53e889f111f27e00849f2f5ae4a2 for pr-72493
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitterIsMe%2FMyKVServer" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GlitterIsMe/MyKVServer on toolchain 7f940ef5d91b53e889f111f27e00849f2f5ae4a2
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/GlitterIsMe/MyKVServer
[INFO] finished tweaking git repo https://github.com/GlitterIsMe/MyKVServer
[INFO] tweaked toml for git repo https://github.com/GlitterIsMe/MyKVServer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/GlitterIsMe/MyKVServer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+7f940ef5d91b53e889f111f27e00849f2f5ae4a2" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 232dd3fff9cdc547f9205a75ca4c082c87b0b7da6155d189090a13d816082da8
[INFO] running `"docker" "start" "-a" "232dd3fff9cdc547f9205a75ca4c082c87b0b7da6155d189090a13d816082da8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling protobuf v2.4.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling protoc v2.4.0
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling grpcio-sys v0.4.4
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling protobuf-codegen v2.4.0
[INFO] [stderr]    Compiling grpcio-compiler v0.4.3
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling protoc-grpcio v1.0.1
[INFO] [stderr]    Compiling kv_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `kv_server v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/kv_server-4d56e7c9a21c6670/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::h9d5c0ce18288424c (0x55a7a5d6f75b)
[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::h5b205537b941d552 (0x55a7a5d6ddcd)
[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::h3f6b74cb335386aa (0x55a7a5d2668c)
[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::hf674b9478913218b (0x55a7a5d29b6e)
[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::h3fbcc77c7a9f3a0e (0x55a7a5d25aee)
[INFO] [stderr]              at /rustc/7f940ef5d91b53e889f111f27e00849f2f5ae4a2/src/libcore/convert/mod.rs:559
[INFO] [stderr]    5: failure::context::Context<D>::with_err::h6a8ea5c5e506de65 (0x55a7a5d1d01d)
[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::h66646f8d9aa3233c (0x55a7a5d25ca5)
[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}}::h41958d254446f424 (0x55a7a5d29c95)
[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::h13a028cf4fa67f6e (0x55a7a5d23681)
[INFO] [stderr]              at /rustc/7f940ef5d91b53e889f111f27e00849f2f5ae4a2/src/libcore/result.rs:612
[INFO] [stderr]    9: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::hafcb8dd23beb7255 (0x55a7a5d241bd)
[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::h6ba4e50a54c328fd (0x55a7a5d1ac7e)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-1.0.1/src/lib.rs:91
[INFO] [stderr]   11: protoc_grpcio::compile_grpc_protos::hace7def2bcdedcf1 (0x55a7a5d19f93)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/protoc-grpcio-1.0.1/src/lib.rs:260
[INFO] [stderr]   12: build_script_build::main::h3c032b902a4deab8 (0x55a7a5d29f00)
[INFO] [stderr]              at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]   13: std::rt::lang_start::{{closure}}::hb673df2586c23043 (0x55a7a5d28c7a)
[INFO] [stderr]              at /rustc/7f940ef5d91b53e889f111f27e00849f2f5ae4a2/src/libstd/rt.rs:67
[INFO] [stderr]   14: std::rt::lang_start_internal::{{closure}}::h4838b364df25be59 (0x55a7a5fce517)
[INFO] [stderr]              at src/libstd/rt.rs:52
[INFO] [stderr]       std::panicking::try::do_call::h0f9bf126f2a30e0a
[INFO] [stderr]              at src/libstd/panicking.rs:297
[INFO] [stderr]       std::panicking::try::hf7f4f4a8291fe18c
[INFO] [stderr]              at src/libstd/panicking.rs:274
[INFO] [stderr]       std::panic::catch_unwind::hf0742a1b2a42157f
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::h8a620deb31f7711f
[INFO] [stderr]              at src/libstd/rt.rs:51
[INFO] [stderr]   15: std::rt::lang_start::h7f0805d5ae8f99cd (0x55a7a5d28c56)
[INFO] [stderr]              at /rustc/7f940ef5d91b53e889f111f27e00849f2f5ae4a2/src/libstd/rt.rs:67
[INFO] [stderr]   16: main (0x55a7a5d29f79)
[INFO] [stderr]   17: __libc_start_main (0x7f698b1930b2)
[INFO] [stderr]   18: _start (0x55a7a5d151cd)
[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:     0x55a7a5fcb505 - backtrace::backtrace::libunwind::trace::h678b9599e62f63eb
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x55a7a5fcb505 - backtrace::backtrace::trace_unsynchronized::hb47d77776d18cf5b
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55a7a5fcb505 - std::sys_common::backtrace::_print_fmt::he1b14c2dc4d370e2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x55a7a5fcb505 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h0e056b70ceff915d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55a7a5ff49ac - core::fmt::write::hdf236390fbd68d3d
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1069
[INFO] [stderr]    5:     0x55a7a5fc8953 - std::io::Write::write_fmt::h5b95d57b9d83617e
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x55a7a5fcdb10 - std::sys_common::backtrace::_print::hde4f93cf630dd149
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55a7a5fcdb10 - std::sys_common::backtrace::print::hab894e5c65d4445d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55a7a5fcdb10 - std::panicking::default_hook::{{closure}}::h069a26eaaf53ac74
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x55a7a5fcd85c - std::panicking::default_hook::he2b0e031648f6bed
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x55a7a5fce147 - std::panicking::rust_panic_with_hook::hd8d0481ab65c637b
[INFO] [stderr]                                at src/libstd/panicking.rs:486
[INFO] [stderr]   11:     0x55a7a5fcdd4b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:388
[INFO] [stderr]   12:     0x55a7a5ff2911 - core::panicking::panic_fmt::hd101a87121fa411f
[INFO] [stderr]                                at src/libcore/panicking.rs:101
[INFO] [stderr]   13:     0x55a7a5ff2733 - core::option::expect_none_failed::h4f0e89faa3179bf7
[INFO] [stderr]                                at src/libcore/option.rs:1272
[INFO] [stderr]   14:     0x55a7a5d23456 - core::result::Result<T,E>::expect::h745df200dafb8bf7
[INFO] [stderr]                                at /rustc/7f940ef5d91b53e889f111f27e00849f2f5ae4a2/src/libcore/result.rs:963
[INFO] [stderr]   15:     0x55a7a5d29f3b - build_script_build::main::h3c032b902a4deab8
[INFO] [stderr]                                at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]   16:     0x55a7a5d28c7b - std::rt::lang_start::{{closure}}::hb673df2586c23043
[INFO] [stderr]                                at /rustc/7f940ef5d91b53e889f111f27e00849f2f5ae4a2/src/libstd/rt.rs:67
[INFO] [stderr]   17:     0x55a7a5fce518 - std::rt::lang_start_internal::{{closure}}::h4838b364df25be59
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   18:     0x55a7a5fce518 - std::panicking::try::do_call::h0f9bf126f2a30e0a
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   19:     0x55a7a5fce518 - std::panicking::try::hf7f4f4a8291fe18c
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   20:     0x55a7a5fce518 - std::panic::catch_unwind::hf0742a1b2a42157f
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   21:     0x55a7a5fce518 - std::rt::lang_start_internal::h8a620deb31f7711f
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   22:     0x55a7a5d28c57 - std::rt::lang_start::h7f0805d5ae8f99cd
[INFO] [stderr]                                at /rustc/7f940ef5d91b53e889f111f27e00849f2f5ae4a2/src/libstd/rt.rs:67
[INFO] [stderr]   23:     0x55a7a5d29f7a - main
[INFO] [stderr]   24:     0x7f698b1930b3 - __libc_start_main
[INFO] [stderr]   25:     0x55a7a5d151ce - _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" "232dd3fff9cdc547f9205a75ca4c082c87b0b7da6155d189090a13d816082da8"`
[INFO] running `"docker" "rm" "-f" "232dd3fff9cdc547f9205a75ca4c082c87b0b7da6155d189090a13d816082da8"`
[INFO] [stdout] 232dd3fff9cdc547f9205a75ca4c082c87b0b7da6155d189090a13d816082da8