[INFO] updating cached repository Lemures/grpc_example [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Lemures/grpc_example [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Lemures/grpc_example" "work/ex/beta-1.37-6/sources/1.36.0/gh/Lemures/grpc_example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Lemures/grpc_example'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Lemures/grpc_example" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Lemures/grpc_example"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Lemures/grpc_example'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f48bd606f27bbbf17b89f6cc0e16828d76982573 [INFO] sha for GitHub repo Lemures/grpc_example: f48bd606f27bbbf17b89f6cc0e16828d76982573 [INFO] validating manifest of Lemures/grpc_example on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Lemures/grpc_example on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Lemures/grpc_example [INFO] finished frobbing Lemures/grpc_example [INFO] frobbed toml for Lemures/grpc_example written to work/ex/beta-1.37-6/sources/1.36.0/gh/Lemures/grpc_example/Cargo.toml [INFO] started frobbing Lemures/grpc_example [INFO] finished frobbing Lemures/grpc_example [INFO] frobbed toml for Lemures/grpc_example written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Lemures/grpc_example/Cargo.toml [INFO] crate Lemures/grpc_example already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Lemures/grpc_example against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Lemures/grpc_example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] c30f7294d91e5e474c335f4c064f037326266c9209af89f08d2539a95dff9cc1 [INFO] running `"docker" "start" "-a" "c30f7294d91e5e474c335f4c064f037326266c9209af89f08d2539a95dff9cc1"` [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling net2 v0.2.32 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling protoc v1.4.3 [INFO] [stderr] Compiling tls-api v0.1.14 [INFO] [stderr] Compiling bytes v0.4.6 [INFO] [stderr] Compiling tls-api-stub v0.1.14 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling mio v0.6.13 [INFO] [stderr] Compiling protobuf v1.4.3 [INFO] [stderr] Compiling tokio-io v0.1.5 [INFO] [stderr] Compiling tempdir v0.3.6 [INFO] [stderr] Compiling tokio-core v0.1.12 [INFO] [stderr] Compiling tokio-tls-api v0.1.14 [INFO] [stderr] Compiling httpbis v0.4.1 [INFO] [stderr] Compiling protoc-rust v1.4.3 [INFO] [stderr] Compiling grpc-compiler v0.2.1 [INFO] [stderr] Compiling grpc v0.2.1 [INFO] [stderr] Compiling protoc-rust-grpc v0.2.1 [INFO] [stderr] Compiling grpc_example v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `grpc_example v0.1.0 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/grpc_example-fffff58f5ede0ba7/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Failed to generate Rust src: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56441589b543 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stderr] 1: 0x564415896a9b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stderr] 2: 0x56441589a366 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] at src/libstd/panicking.rs:197 [INFO] [stderr] 3: 0x56441589a0f9 - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stderr] at src/libstd/panicking.rs:211 [INFO] [stderr] 4: 0x56441589a9bf - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stderr] at src/libstd/panicking.rs:474 [INFO] [stderr] 5: 0x56441589a541 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stderr] at src/libstd/panicking.rs:381 [INFO] [stderr] 6: 0x56441589a425 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:308 [INFO] [stderr] 7: 0x5644158b3d3c - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 8: 0x5644158866d6 - core::result::unwrap_failed::ha9032c1676d1601b [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stderr] 9: 0x5644155bcef9 - core::result::Result::expect::h1cb281a61d1877c5 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:827 [INFO] [stderr] 10: 0x5644155bd16c - build_script_build::main::h1b8ace6c003d1e62 [INFO] [stderr] at /opt/crater/workdir/build.rs:4 [INFO] [stderr] 11: 0x5644155bce3f - std::rt::lang_start::{{closure}}::h48aa1e64656f5b09 [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 12: 0x56441589a412 - std::panicking::try::do_call::hc3d8373a0b215f51 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] at src/libstd/panicking.rs:293 [INFO] [stderr] 13: 0x5644158a1899 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 14: 0x56441589aecc - std::rt::lang_start_internal::he5218c8b95d395f2 [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 15: 0x5644155bce18 - std::rt::lang_start::h5a8cfa3b92d6ca0e [INFO] [stderr] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64 [INFO] [stderr] 16: 0x5644155bd1a9 - main [INFO] [stderr] 17: 0x7fab0939f2e0 - __libc_start_main [INFO] [stderr] 18: 0x5644155bccc9 - _start [INFO] [stderr] 19: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "c30f7294d91e5e474c335f4c064f037326266c9209af89f08d2539a95dff9cc1"` [INFO] running `"docker" "rm" "-f" "c30f7294d91e5e474c335f4c064f037326266c9209af89f08d2539a95dff9cc1"` [INFO] [stdout] c30f7294d91e5e474c335f4c064f037326266c9209af89f08d2539a95dff9cc1