[INFO] cloning 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" "clone" "--bare" "https://github.com/stupidboy666/kvserver_week2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidboy666%2Fkvserver_week2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidboy666%2Fkvserver_week2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77a80c9cae391c9d9bd1586d98caa328e0fc4f72
[INFO] testing stupidboy666/kvserver_week2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstupidboy666%2Fkvserver_week2" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stupidboy666/kvserver_week2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89a1bb0dd1d96f37486a4b5dff032e0b8aac9d8bec9a04915a8bb378c2c1e071
[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" "89a1bb0dd1d96f37486a4b5dff032e0b8aac9d8bec9a04915a8bb378c2c1e071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89a1bb0dd1d96f37486a4b5dff032e0b8aac9d8bec9a04915a8bb378c2c1e071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89a1bb0dd1d96f37486a4b5dff032e0b8aac9d8bec9a04915a8bb378c2c1e071", kill_on_drop: false }`
[INFO] [stdout] 89a1bb0dd1d96f37486a4b5dff032e0b8aac9d8bec9a04915a8bb378c2c1e071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17e526f5c33f4adf4eeb41e804b0cb6b3ecadd75684bae53f33f884fa3099c22
[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" "17e526f5c33f4adf4eeb41e804b0cb6b3ecadd75684bae53f33f884fa3099c22", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling protobuf v2.7.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling protoc v2.7.0
[INFO] [stderr]    Compiling grpcio-sys v0.4.4
[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/week1-52d4a6ca6e829a49/build-script-build` (exit status: 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::h32c6a68627c413d2 (0x556820a80e3b)
[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::h1c8a29ff7181b2fa (0x556820a80038)
[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::hce230d156025b137 (0x556820a60d1f)
[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::h90699334f60f349f (0x556820a624a1)
[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::he8f604624c2b1617 (0x556820a63451)
[INFO] [stderr]                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/convert/mod.rs:538
[INFO] [stderr]      5: failure::context::Context<D>::with_err::hf1c54535b4bd941c (0x556820a63fec)
[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::hdbc0787473717b80 (0x556820a63c4f)
[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}}::ha97554304e387c0a (0x556820a6d2cf)
[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::h49f7a6695425fef4 (0x556820a5d899)
[INFO] [stderr]                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:591
[INFO] [stderr]      9: <core::result::Result<T,E> as failure::result_ext::ResultExt<T,E>>::context::h41dacdfdf7e9ef71 (0x556820a5ecae)
[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::h212fbc113765dd1f (0x556820a6ad41)
[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::hd20dd061e0cf564f (0x556820a6a380)
[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::hca49eca7589fb6b8 (0x556820a7026d)
[INFO] [stderr]                at /opt/rustwide/workdir/build.rs:6
[INFO] [stderr]     13: core::ops::function::FnOnce::call_once::h1e9b43faa374b484 (0x556820a6ee0b)
[INFO] [stderr]                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227
[INFO] [stderr]     14: std::sys_common::backtrace::__rust_begin_short_backtrace::hcc94dab9294c7581 (0x556820a619de)
[INFO] [stderr]                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]     15: std::rt::lang_start::{{closure}}::h61b01e503a9412fd (0x556820a6eb91)
[INFO] [stderr]                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:49
[INFO] [stderr]     16: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h04259e4a34d07c2f (0x556820d32809)
[INFO] [stderr]                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call::hb8da45704d5cfbbf
[INFO] [stderr]                at library/std/src/panicking.rs:401
[INFO] [stderr]         std::panicking::try::h4beadc19a78fec52
[INFO] [stderr]                at library/std/src/panicking.rs:365
[INFO] [stderr]         std::panic::catch_unwind::hc58016cd36ba81a4
[INFO] [stderr]                at library/std/src/panic.rs:433
[INFO] [stderr]         std::rt::lang_start_internal::hc51399759a90501a
[INFO] [stderr]                at library/std/src/rt.rs:34
[INFO] [stderr]     17: std::rt::lang_start::h54202382b63f9d07 (0x556820a6eb70)
[INFO] [stderr]                at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:48
[INFO] [stderr]     18: main (0x556820a702cc)
[INFO] [stderr]     19: __libc_start_main (0x7fb84ad780b3)
[INFO] [stderr]     20: _start (0x556820a59f8e)
[INFO] [stderr]     21: <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:     0x556820d2fd10 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x556820d2fd10 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x556820d2fd10 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x556820d2fd10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h767e17e1aa7df6a8
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x556820d542ec - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x556820d2d805 - std::io::Write::write_fmt::h4c802b6f761026c1
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x556820d31c6b - std::sys_common::backtrace::_print::h2769edb26a7eb606
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x556820d31c6b - std::sys_common::backtrace::print::ha71f3549862b4cb6
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x556820d31c6b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x556820d31741 - std::panicking::default_hook::h290aa602c0fb11df
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x556820d32311 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x556820d31e17 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x556820d301ec - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x556820d31d79 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x556820a597d1 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x556820a598c3 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x556820a5d6db - core::result::Result<T,E>::expect::hb1951ca8b8a13dae
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x556820a70299 - build_script_build::main::hca49eca7589fb6b8
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6:5
[INFO] [stderr]     18:     0x556820a6ee0b - core::ops::function::FnOnce::call_once::h1e9b43faa374b484
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x556820a619de - std::sys_common::backtrace::__rust_begin_short_backtrace::hcc94dab9294c7581
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x556820a6eb91 - std::rt::lang_start::{{closure}}::h61b01e503a9412fd
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:49:18
[INFO] [stderr]     21:     0x556820d32809 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h04259e4a34d07c2f
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x556820d32809 - std::panicking::try::do_call::hb8da45704d5cfbbf
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x556820d32809 - std::panicking::try::h4beadc19a78fec52
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x556820d32809 - std::panic::catch_unwind::hc58016cd36ba81a4
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14
[INFO] [stderr]     25:     0x556820d32809 - std::rt::lang_start_internal::hc51399759a90501a
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:34:21
[INFO] [stderr]     26:     0x556820a6eb70 - std::rt::lang_start::h54202382b63f9d07
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:48:5
[INFO] [stderr]     27:     0x556820a702cc - main
[INFO] [stderr]     28:     0x7fb84ad780b3 - __libc_start_main
[INFO] [stderr]     29:     0x556820a59f8e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "17e526f5c33f4adf4eeb41e804b0cb6b3ecadd75684bae53f33f884fa3099c22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e526f5c33f4adf4eeb41e804b0cb6b3ecadd75684bae53f33f884fa3099c22", kill_on_drop: false }`
[INFO] [stdout] 17e526f5c33f4adf4eeb41e804b0cb6b3ecadd75684bae53f33f884fa3099c22