[INFO] cloning repository https://github.com/bbigras/test-proto
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bbigras/test-proto" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbigras%2Ftest-proto", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbigras%2Ftest-proto'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa40250ec10500a2c4bf9638c89b32864897acb0
[INFO] checking bbigras/test-proto against try#5d9095c550fcec9e458ce8d6b0c04a217641db66 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbigras%2Ftest-proto" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbigras/test-proto on toolchain 5d9095c550fcec9e458ce8d6b0c04a217641db66
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bbigras/test-proto
[INFO] finished tweaking git repo https://github.com/bbigras/test-proto
[INFO] tweaked toml for git repo https://github.com/bbigras/test-proto written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/bbigras/test-proto already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf v2.8.2
[INFO] [stderr]   Downloaded protoc-rust v2.8.2
[INFO] [stderr]   Downloaded protoc v2.8.2
[INFO] [stderr]   Downloaded protoc-rust-grpc v0.6.2
[INFO] [stderr]   Downloaded protobuf-codegen v2.8.2
[INFO] [stderr]   Downloaded grpc-compiler v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 594ddf5db15e1174c3c2041a1454374df83faba9f51190d7393fab61e957ea85
[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" "594ddf5db15e1174c3c2041a1454374df83faba9f51190d7393fab61e957ea85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "594ddf5db15e1174c3c2041a1454374df83faba9f51190d7393fab61e957ea85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "594ddf5db15e1174c3c2041a1454374df83faba9f51190d7393fab61e957ea85", kill_on_drop: false }`
[INFO] [stdout] 594ddf5db15e1174c3c2041a1454374df83faba9f51190d7393fab61e957ea85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+5d9095c550fcec9e458ce8d6b0c04a217641db66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c1e3e93deac8b50294b8bbfda634b60e01184ea45c4b7b83b6304a51998d8f6
[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" "6c1e3e93deac8b50294b8bbfda634b60e01184ea45c4b7b83b6304a51998d8f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling protobuf v2.8.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling protoc v2.8.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling protobuf-codegen v2.8.2
[INFO] [stderr]    Compiling protoc-rust v2.8.2
[INFO] [stderr]    Compiling grpc-compiler v0.6.2
[INFO] [stderr]    Compiling protoc-rust-grpc v0.6.2
[INFO] [stderr]    Compiling test-proto v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `test-proto v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/test-proto-34246934e6d28565/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'protoc-rust-grpc: Os { code: 30, kind: Other, message: "Read-only file system" }', build.rs:11:6
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x563d70e78330 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x563d70e78330 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x563d70e78330 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x563d70e78330 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb0ad78ee1571f7e0
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x563d70e9d9ac - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x563d70e758c7 - std::io::Write::write_fmt::hf7b7d7b243f84a36
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x563d70e7a960 - std::sys_common::backtrace::_print::hd093978a5287b8ff
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x563d70e7a960 - std::sys_common::backtrace::print::h20f46787581d56d7
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x563d70e7a960 - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x563d70e7a618 - std::panicking::default_hook::h4190c9e3edd4d591
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x563d70e7b031 - std::panicking::rust_panic_with_hook::h72e78719cdda225c
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x563d70e7abd9 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x563d70e787bc - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x563d70e7ab99 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x563d70e9b881 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/core/src/panicking.rs:85
[INFO] [stderr]     15:     0x563d70e9b6a3 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/core/src/option.rs:1221
[INFO] [stderr]     16:     0x563d70b9c21f - core::result::Result<T,E>::expect::hc28d683bb31e5c1f
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/core/src/result.rs:933
[INFO] [stderr]     17:     0x563d70b9c405 - build_script_build::main::h8e9a9bbb27b74d92
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4
[INFO] [stderr]     18:     0x563d70b9c54b - core::ops::function::FnOnce::call_once::hf0f84cd2d1bc1327
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/core/src/ops/function.rs:227
[INFO] [stderr]     19:     0x563d70b9c25e - std::sys_common::backtrace::__rust_begin_short_backtrace::h3d72c48dbaea128c
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     20:     0x563d70b9c361 - std::rt::lang_start::{{closure}}::h0b5b072c1e62bd02
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/rt.rs:66
[INFO] [stderr]     21:     0x563d70e7b3f0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e15f43ce28787f7
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/core/src/ops/function.rs:259
[INFO] [stderr]     22:     0x563d70e7b3f0 - std::panicking::try::do_call::h764f1891769113e9
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/panicking.rs:381
[INFO] [stderr]     23:     0x563d70e7b3f0 - std::panicking::try::h0f2fe4fdd5e0ad19
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/panicking.rs:345
[INFO] [stderr]     24:     0x563d70e7b3f0 - std::panic::catch_unwind::h1634e40dd3a19f80
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/panic.rs:382
[INFO] [stderr]     25:     0x563d70e7b3f0 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/rt.rs:51
[INFO] [stderr]     26:     0x563d70b9c337 - std::rt::lang_start::h7e451f00993beacd
[INFO] [stderr]                                  at /rustc/5d9095c550fcec9e458ce8d6b0c04a217641db66/library/std/src/rt.rs:65
[INFO] [stderr]     27:     0x563d70b9c43a - main
[INFO] [stderr]     28:     0x7f74c17b50b3 - __libc_start_main
[INFO] [stderr]     29:     0x563d70b9c0de - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6c1e3e93deac8b50294b8bbfda634b60e01184ea45c4b7b83b6304a51998d8f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1e3e93deac8b50294b8bbfda634b60e01184ea45c4b7b83b6304a51998d8f6", kill_on_drop: false }`
[INFO] [stdout] 6c1e3e93deac8b50294b8bbfda634b60e01184ea45c4b7b83b6304a51998d8f6