[INFO] cloning repository https://github.com/GlitterIsMe/MyKVServer
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitterIsMe%2FMyKVServer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 211943e7e5e76f2a3ae70c22968a3c0bbe793e12
[INFO] checking GlitterIsMe/MyKVServer against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitterIsMe%2FMyKVServer" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GlitterIsMe/MyKVServer on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-10/source/Cargo.toml
[INFO] crate git repo https://github.com/GlitterIsMe/MyKVServer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protoc v2.4.0
[INFO] [stderr]   Downloaded protoc-grpcio v1.0.1
[INFO] [stderr]   Downloaded grpcio-compiler v0.4.3
[INFO] [stderr]   Downloaded protobuf-codegen v2.4.0
[INFO] running `Command { std: "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" "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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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] 5ec01c9beb2e8dfd8f1020f5902e24195be1ea46ca566d59c04fd327f53ef99a
[INFO] running `Command { std: "docker" "start" "-a" "5ec01c9beb2e8dfd8f1020f5902e24195be1ea46ca566d59c04fd327f53ef99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ec01c9beb2e8dfd8f1020f5902e24195be1ea46ca566d59c04fd327f53ef99a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec01c9beb2e8dfd8f1020f5902e24195be1ea46ca566d59c04fd327f53ef99a", kill_on_drop: false }`
[INFO] [stdout] 5ec01c9beb2e8dfd8f1020f5902e24195be1ea46ca566d59c04fd327f53ef99a
[INFO] running `Command { std: "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" "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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46b1d3122600311e8097bb4e7bcda8718d6f7ead84ee939456b46975315660a6
[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" "46b1d3122600311e8097bb4e7bcda8718d6f7ead84ee939456b46975315660a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling protobuf v2.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling syn v0.15.29
[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 rand_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling rand_jitter v0.1.3
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling protoc v2.4.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling rand_os v0.1.3
[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]    Compiling rand v0.6.5
[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 tempfile v3.0.7
[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_derive v0.1.5
[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-ca658de456e9fba4/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::h7e8b23f604b9121b (0x555a8b50c4d5)
[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::hf68060616d55a7b9 (0x555a8b50b09d)
[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::h5d040808a98fbf7e (0x555a8b4c43fb)
[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::h9a8464754a437e91 (0x555a8b4c703e)
[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::h4dae0ee6f1622f52 (0x555a8b4c54de)
[INFO] [stderr]                at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/convert/mod.rs:563
[INFO] [stderr]      5: failure::context::Context<D>::with_err::h0ebf4370c0148180 (0x555a8b4badbd)
[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::h89bfaaad5341776f (0x555a8b4c5b95)
[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}}::h7c2c651d834ed0f3 (0x555a8b4c71c5)
[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::h89ccb84f733fef57 (0x555a8b4c1511)
[INFO] [stderr]                at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/result.rs:612
[INFO] [stderr]      9: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::hfd282bb181379b32 (0x555a8b4c1d5d)
[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::h968ccafa51186121 (0x555a8b4b7df7)
[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::h8e568af59d1ac026 (0x555a8b4b72ad)
[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::hdfaa336bd27b972b (0x555a8b4bc090)
[INFO] [stderr]                at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]     13: std::rt::lang_start::{{closure}}::hf6712eeb99b14f34 (0x555a8b4c683a)
[INFO] [stderr]                at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:67
[INFO] [stderr]     14: std::rt::lang_start_internal::{{closure}}::hdb90dc0481c9e8f6 (0x555a8b778f05)
[INFO] [stderr]                at library/std/src/rt.rs:52
[INFO] [stderr]         std::panicking::try::do_call::he0af14a67f26ea71
[INFO] [stderr]                at library/std/src/panicking.rs:348
[INFO] [stderr]         std::panicking::try::h87d5f0e2c2fee1c5
[INFO] [stderr]                at library/std/src/panicking.rs:325
[INFO] [stderr]         std::panic::catch_unwind::he9266eec484f0287
[INFO] [stderr]                at library/std/src/panic.rs:394
[INFO] [stderr]         std::rt::lang_start_internal::hb54283a40e32dc37
[INFO] [stderr]                at library/std/src/rt.rs:51
[INFO] [stderr]     15: std::rt::lang_start::hfa6ec94078fb4594 (0x555a8b4c6816)
[INFO] [stderr]                at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:67
[INFO] [stderr]     16: main (0x555a8b4bc109)
[INFO] [stderr]     17: __libc_start_main (0x7feb092950b2)
[INFO] [stderr]     18: _start (0x555a8b4b21ad)
[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:7:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x555a8b775f4f - std::backtrace_rs::backtrace::libunwind::trace::h21c0966c343fddd8
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x555a8b775f4f - std::backtrace_rs::backtrace::trace_unsynchronized::h62cde0754779ae3a
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x555a8b775f4f - std::sys_common::backtrace::_print_fmt::hb2d70198918acf1c
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x555a8b775f4f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5a9d4ddd4d99b877
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x555a8b79b71c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x555a8b773405 - std::io::Write::write_fmt::h2dbf1bb0d9f42142
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x555a8b7784b0 - std::sys_common::backtrace::_print::h1091565a54a3c462
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x555a8b7784b0 - std::sys_common::backtrace::print::hc9759e13a502cda2
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x555a8b7784b0 - std::panicking::default_hook::{{closure}}::hd35b8516a1d88160
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:198
[INFO] [stderr]      9:     0x555a8b7781fc - std::panicking::default_hook::h0dcf88ad4d72ec5e
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:217
[INFO] [stderr]     10:     0x555a8b778af3 - std::panicking::rust_panic_with_hook::h81c308f7accbe523
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:526
[INFO] [stderr]     11:     0x555a8b7786eb - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:437
[INFO] [stderr]     12:     0x555a8b799681 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/panicking.rs:85
[INFO] [stderr]     13:     0x555a8b7994a3 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/option.rs:1274
[INFO] [stderr]     14:     0x555a8b4c0e46 - core::result::Result<T,E>::expect::h3fab5659661fe7c2
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/core/src/result.rs:963
[INFO] [stderr]     15:     0x555a8b4bc0cb - build_script_build::main::hdfaa336bd27b972b
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]     16:     0x555a8b4c683b - std::rt::lang_start::{{closure}}::hf6712eeb99b14f34
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:67
[INFO] [stderr]     17:     0x555a8b778f06 - std::rt::lang_start_internal::{{closure}}::hdb90dc0481c9e8f6
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:52
[INFO] [stderr]     18:     0x555a8b778f06 - std::panicking::try::do_call::he0af14a67f26ea71
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:348
[INFO] [stderr]     19:     0x555a8b778f06 - std::panicking::try::h87d5f0e2c2fee1c5
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panicking.rs:325
[INFO] [stderr]     20:     0x555a8b778f06 - std::panic::catch_unwind::he9266eec484f0287
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/panic.rs:394
[INFO] [stderr]     21:     0x555a8b778f06 - std::rt::lang_start_internal::hb54283a40e32dc37
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:51
[INFO] [stderr]     22:     0x555a8b4c6817 - std::rt::lang_start::hfa6ec94078fb4594
[INFO] [stderr]                                  at /rustc/353a0a223066e9f46a1d935f2271a26c3c5002bb/library/std/src/rt.rs:67
[INFO] [stderr]     23:     0x555a8b4bc10a - main
[INFO] [stderr]     24:     0x7feb092950b3 - __libc_start_main
[INFO] [stderr]     25:     0x555a8b4b21ae - _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" "46b1d3122600311e8097bb4e7bcda8718d6f7ead84ee939456b46975315660a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b1d3122600311e8097bb4e7bcda8718d6f7ead84ee939456b46975315660a6", kill_on_drop: false }`
[INFO] [stdout] 46b1d3122600311e8097bb4e7bcda8718d6f7ead84ee939456b46975315660a6