[INFO] updating cached repository https://github.com/GlitterIsMe/MyKVServer
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 211943e7e5e76f2a3ae70c22968a3c0bbe793e12
[INFO] checking GlitterIsMe/MyKVServer against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGlitterIsMe%2FMyKVServer" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GlitterIsMe/MyKVServer on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "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-14/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" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "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] 5ef38cd4c7b75e84abe6c6becde13d74dc50514134f083552ebfb3e49bdb24f7
[INFO] running `Command { std: "docker" "start" "-a" "5ef38cd4c7b75e84abe6c6becde13d74dc50514134f083552ebfb3e49bdb24f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ef38cd4c7b75e84abe6c6becde13d74dc50514134f083552ebfb3e49bdb24f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef38cd4c7b75e84abe6c6becde13d74dc50514134f083552ebfb3e49bdb24f7", kill_on_drop: false }`
[INFO] [stdout] 5ef38cd4c7b75e84abe6c6becde13d74dc50514134f083552ebfb3e49bdb24f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2b72bb5cc3bc222a2a601535b91092e37635bd4348265b73989884ca138db67
[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" "b2b72bb5cc3bc222a2a601535b91092e37635bd4348265b73989884ca138db67", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling protobuf v2.4.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling tempfile v3.0.7
[INFO] [stderr]    Compiling protoc v2.4.0
[INFO] [stderr]    Compiling cmake v0.1.35
[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]     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 failure_derive v0.1.5
[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-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 (0x55830714eee5)
[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 (0x55830714da1d)
[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::hdb0139e87a522150 (0x55830710706b)
[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::hb84a3c488d637f3c (0x558307109e1e)
[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::h2749886260acf4cc (0x558307107a1e)
[INFO] [stderr]                at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/convert/mod.rs:563
[INFO] [stderr]      5: failure::context::Context<D>::with_err::h2c1c7bb5770c92a2 (0x5583070fde1d)
[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::hec989af3a41d3f34 (0x558307108115)
[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}}::h5304f40f70616312 (0x558307108335)
[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::hfd5955b48e505e44 (0x558307103d01)
[INFO] [stderr]                at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/result.rs:612
[INFO] [stderr]      9: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::h45a2106c9e1331a1 (0x5583071041dd)
[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::h05acbedf22e5e6b1 (0x5583070fad77)
[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::h6076d2da56fa13dc (0x5583070fa22d)
[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 (0x5583070fe780)
[INFO] [stderr]                at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]     13: std::rt::lang_start::{{closure}}::h14e7ff9712768f09 (0x558307108e3a)
[INFO] [stderr]                at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     14: std::rt::lang_start_internal::{{closure}}::h9a7ec4d0a4846786 (0x5583073b7992)
[INFO] [stderr]                at src/libstd/rt.rs:52
[INFO] [stderr]         std::panicking::try::do_call::h31d9073533c95062
[INFO] [stderr]                at src/libstd/panicking.rs:348
[INFO] [stderr]         std::panicking::try::h9be90170880ba1d0
[INFO] [stderr]                at src/libstd/panicking.rs:325
[INFO] [stderr]         std::panic::catch_unwind::hba3ee29aa4d47586
[INFO] [stderr]                at src/libstd/panic.rs:394
[INFO] [stderr]         std::rt::lang_start_internal::h90880417661a7eb6
[INFO] [stderr]                at src/libstd/rt.rs:51
[INFO] [stderr]     15: std::rt::lang_start::hbb871a7c7c4b53fd (0x558307108e16)
[INFO] [stderr]                at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     16: main (0x5583070fe7f9)
[INFO] [stderr]     17: __libc_start_main (0x7f647e76b0b2)
[INFO] [stderr]     18: _start (0x5583070f51ad)
[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:     0x5583073b497f - std::backtrace_rs::backtrace::libunwind::trace::h8864605b5c3dbe2c
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5583073b497f - std::backtrace_rs::backtrace::trace_unsynchronized::h1f622efed412f077
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5583073b497f - std::sys_common::backtrace::_print_fmt::h8e17da323f21cc2b
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x5583073b497f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd4a7293426badf40
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5583073d9ffc - core::fmt::write::hfbd2baad61ed21a8
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x5583073b1c62 - std::io::Write::write_fmt::h54828fb1bd41a052
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/io/mod.rs:1508
[INFO] [stderr]      6:     0x5583073b6f80 - std::sys_common::backtrace::_print::h6ba0300926b9fb58
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5583073b6f80 - std::sys_common::backtrace::print::hd11f0188385cb859
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5583073b6f80 - std::panicking::default_hook::{{closure}}::h57b45fcdc30fe8e4
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x5583073b6ccc - std::panicking::default_hook::h067cd795bad37ff3
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x5583073b75c3 - std::panicking::rust_panic_with_hook::hd1b93581b69959be
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x5583073b71bb - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x5583073d7f61 - core::panicking::panic_fmt::h9cc57011b345cfad
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x5583073d7d83 - core::option::expect_none_failed::h10abb5a6aef32df8
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/option.rs:1273
[INFO] [stderr]     14:     0x558307103466 - core::result::Result<T,E>::expect::h9c3c8f0b3407e121
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libcore/result.rs:963
[INFO] [stderr]     15:     0x5583070fe7bb - build_script_build::main::hdfaa336bd27b972b
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]     16:     0x558307108e3b - std::rt::lang_start::{{closure}}::h14e7ff9712768f09
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x5583073b7993 - std::rt::lang_start_internal::{{closure}}::h9a7ec4d0a4846786
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x5583073b7993 - std::panicking::try::do_call::h31d9073533c95062
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x5583073b7993 - std::panicking::try::h9be90170880ba1d0
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x5583073b7993 - std::panic::catch_unwind::hba3ee29aa4d47586
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x5583073b7993 - std::rt::lang_start_internal::h90880417661a7eb6
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x558307108e17 - std::rt::lang_start::hbb871a7c7c4b53fd
[INFO] [stderr]                                  at /rustc/22dd2dd1dc07f63ae9394352d412f020d2985684/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x5583070fe7fa - main
[INFO] [stderr]     24:     0x7f647e76b0b3 - __libc_start_main
[INFO] [stderr]     25:     0x5583070f51ae - _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" "b2b72bb5cc3bc222a2a601535b91092e37635bd4348265b73989884ca138db67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b72bb5cc3bc222a2a601535b91092e37635bd4348265b73989884ca138db67", kill_on_drop: false }`
[INFO] [stdout] b2b72bb5cc3bc222a2a601535b91092e37635bd4348265b73989884ca138db67