[INFO] updating cached repository https://github.com/stupidboy666/kvserver_week2
[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] 77a80c9cae391c9d9bd1586d98caa328e0fc4f72
[INFO] checking stupidboy666/kvserver_week2 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidboy666%2Fkvserver_week2" "/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/stupidboy666/kvserver_week2 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stupidboy666/kvserver_week2
[INFO] finished tweaking git repo https://github.com/stupidboy666/kvserver_week2
[INFO] tweaked toml for git repo https://github.com/stupidboy666/kvserver_week2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/stupidboy666/kvserver_week2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "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" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9bc19db220336e4c7c12d06daf9e64cd82b10ca9fe5710afea8b2eba5a03bc8
[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" "a9bc19db220336e4c7c12d06daf9e64cd82b10ca9fe5710afea8b2eba5a03bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9bc19db220336e4c7c12d06daf9e64cd82b10ca9fe5710afea8b2eba5a03bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9bc19db220336e4c7c12d06daf9e64cd82b10ca9fe5710afea8b2eba5a03bc8", kill_on_drop: false }`
[INFO] [stdout] a9bc19db220336e4c7c12d06daf9e64cd82b10ca9fe5710afea8b2eba5a03bc8
[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" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9826bb4ca633d42c0aa8c41784805f97e0ec195be2656498db5a40c6a9b23ebe
[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" "9826bb4ca633d42c0aa8c41784805f97e0ec195be2656498db5a40c6a9b23ebe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling protobuf v2.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling multimap v0.4.0
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling protoc v2.7.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling grpcio-sys v0.4.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling protobuf-codegen v2.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling derive-new v0.5.7
[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 prost-build v0.5.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling prost-types v0.5.0
[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/week1-5c49d6dbb93ee34f/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::hd884c3b0b9258722 (0x555fdce111d6)
[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::h65a5377f3273331d (0x555fdce0fd0e)
[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::h6b8ed74fa294bea6 (0x555fdcdf9ecc)
[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::h6337018a7062bc80 (0x555fdcdfcd4f)
[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::h645b378cd7066e7f (0x555fdcdfb28f)
[INFO] [stderr]                at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libcore/convert/mod.rs:563
[INFO] [stderr]      5: failure::context::Context<D>::with_err::h0f8795289bcac637 (0x555fdcdf0c6e)
[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::h36c6f4edc4ad9c43 (0x555fdcdfb8f6)
[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}}::h6293f6538fc879cd (0x555fdcdfbab6)
[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::h0bd00adb236b95c8 (0x555fdcdf6d42)
[INFO] [stderr]                at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libcore/result.rs:612
[INFO] [stderr]      9: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::hf579c477d1f24c26 (0x555fdcdf7b4e)
[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::hf1cfe5cde96c5ef5 (0x555fdcdedcd8)
[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::h834e7c0c330f73df (0x555fdcded18e)
[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::h29464ba852dc1fe5 (0x555fdcdf1ec1)
[INFO] [stderr]                at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]     13: std::rt::lang_start::{{closure}}::h290006fc4f6ae077 (0x555fdcdfc5bb)
[INFO] [stderr]                at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/rt.rs:67
[INFO] [stderr]     14: std::rt::lang_start_internal::{{closure}}::h9a7ec4d0a4846786 (0x555fdd0ecca3)
[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::hab214641f0e341a4 (0x555fdcdfc597)
[INFO] [stderr]                at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/rt.rs:67
[INFO] [stderr]     16: main (0x555fdcdf1f3a)
[INFO] [stderr]     17: __libc_start_main (0x7f6b2678c0b3)
[INFO] [stderr]     18: _start (0x555fdcde81ae)
[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:     0x555fdd0e9c8f - std::backtrace_rs::backtrace::libunwind::trace::h8864605b5c3dbe2c
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x555fdd0e9c8f - std::backtrace_rs::backtrace::trace_unsynchronized::h1f622efed412f077
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x555fdd0e9c8f - std::sys_common::backtrace::_print_fmt::h8e17da323f21cc2b
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x555fdd0e9c8f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd4a7293426badf40
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x555fdd10f56c - core::fmt::write::hfbd2baad61ed21a8
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libcore/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x555fdd0e7042 - std::io::Write::write_fmt::h54828fb1bd41a052
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/io/mod.rs:1508
[INFO] [stderr]      6:     0x555fdd0ec290 - std::sys_common::backtrace::_print::h6ba0300926b9fb58
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x555fdd0ec290 - std::sys_common::backtrace::print::hd11f0188385cb859
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x555fdd0ec290 - std::panicking::default_hook::{{closure}}::h57b45fcdc30fe8e4
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x555fdd0ebfdc - std::panicking::default_hook::h067cd795bad37ff3
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x555fdd0ec8d3 - std::panicking::rust_panic_with_hook::hd1b93581b69959be
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x555fdd0ec4cb - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x555fdd10d4d1 - core::panicking::panic_fmt::h9cc57011b345cfad
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x555fdd10d2f3 - core::option::expect_none_failed::h10abb5a6aef32df8
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libcore/option.rs:1273
[INFO] [stderr]     14:     0x555fdcdf6c36 - core::result::Result<T,E>::expect::h8c22cb14433ce710
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libcore/result.rs:963
[INFO] [stderr]     15:     0x555fdcdf1efb - build_script_build::main::h29464ba852dc1fe5
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]     16:     0x555fdcdfc5bb - std::rt::lang_start::{{closure}}::h290006fc4f6ae077
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/rt.rs:67
[INFO] [stderr]     17:     0x555fdd0ecca3 - std::rt::lang_start_internal::{{closure}}::h9a7ec4d0a4846786
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/rt.rs:52
[INFO] [stderr]     18:     0x555fdd0ecca3 - std::panicking::try::do_call::h31d9073533c95062
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:348
[INFO] [stderr]     19:     0x555fdd0ecca3 - std::panicking::try::h9be90170880ba1d0
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panicking.rs:325
[INFO] [stderr]     20:     0x555fdd0ecca3 - std::panic::catch_unwind::hba3ee29aa4d47586
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/panic.rs:394
[INFO] [stderr]     21:     0x555fdd0ecca3 - std::rt::lang_start_internal::h90880417661a7eb6
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/rt.rs:51
[INFO] [stderr]     22:     0x555fdcdfc597 - std::rt::lang_start::hab214641f0e341a4
[INFO] [stderr]                                  at /rustc/e22b61bff0bdd08be7665607cb7be3748c8a35d2/src/libstd/rt.rs:67
[INFO] [stderr]     23:     0x555fdcdf1f3a - main
[INFO] [stderr]     24:     0x7f6b2678c0b3 - __libc_start_main
[INFO] [stderr]     25:     0x555fdcde81ae - _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" "9826bb4ca633d42c0aa8c41784805f97e0ec195be2656498db5a40c6a9b23ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9826bb4ca633d42c0aa8c41784805f97e0ec195be2656498db5a40c6a9b23ebe", kill_on_drop: false }`
[INFO] [stdout] 9826bb4ca633d42c0aa8c41784805f97e0ec195be2656498db5a40c6a9b23ebe