[INFO] updating cached repository jakubadamw/rust-protobuf-414 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jakubadamw/rust-protobuf-414 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jakubadamw/rust-protobuf-414" "work/ex/beta-1.38-1/sources/1.37.0/gh/jakubadamw/rust-protobuf-414"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jakubadamw/rust-protobuf-414'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jakubadamw/rust-protobuf-414" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jakubadamw/rust-protobuf-414"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jakubadamw/rust-protobuf-414'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f4e3c3e188c0045b865bd42fedd0066f5a17c2d1 [INFO] sha for GitHub repo jakubadamw/rust-protobuf-414: f4e3c3e188c0045b865bd42fedd0066f5a17c2d1 [INFO] validating manifest of jakubadamw/rust-protobuf-414 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jakubadamw/rust-protobuf-414 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jakubadamw/rust-protobuf-414 [INFO] finished frobbing jakubadamw/rust-protobuf-414 [INFO] frobbed toml for jakubadamw/rust-protobuf-414 written to work/ex/beta-1.38-1/sources/1.37.0/gh/jakubadamw/rust-protobuf-414/Cargo.toml [INFO] started frobbing jakubadamw/rust-protobuf-414 [INFO] finished frobbing jakubadamw/rust-protobuf-414 [INFO] frobbed toml for jakubadamw/rust-protobuf-414 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jakubadamw/rust-protobuf-414/Cargo.toml [INFO] crate jakubadamw/rust-protobuf-414 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing jakubadamw/rust-protobuf-414 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jakubadamw/rust-protobuf-414:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] daad283d5bd4ddcb4b3c23fccd6fce4d152f0b78569f57281eac688488db257a [INFO] running `"docker" "start" "-a" "daad283d5bd4ddcb4b3c23fccd6fce4d152f0b78569f57281eac688488db257a"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling protobuf v2.7.0 [INFO] [stderr] Compiling protoc v2.7.0 [INFO] [stderr] Compiling protobuf-codegen v2.7.0 [INFO] [stderr] Compiling protoc-rust v2.7.0 [INFO] [stderr] Compiling reproduction_414 v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `reproduction_414 v0.0.1 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/reproduction_414-b672ba78f9bf0aa6/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [libprotobuf WARNING google/protobuf/compiler/parser.cc:547] No syntax specified for the proto file: example.proto. Please use 'syntax = "proto2";' or 'syntax = "proto3";' to specify a syntax version. (Defaulted to proto2 syntax.) [INFO] [stderr] thread 'main' panicked at 'protoc: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56416022970b - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x56416022970b - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56416022970b - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x56416022970b - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x56416022970b - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5641602293e7 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x564160229dd0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x564160229952 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x564160229836 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x564160247f7d - core::panicking::panic_fmt::h2daf88b2616ca2b2 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x56415ff1f738 - core::result::unwrap_failed::h6aad95ff298c8df3 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x56415ff0ffb7 - core::result::Result::expect::hc2ec87b2f0f7e240 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libcore/result.rs:827 [INFO] [stderr] 12: 0x56415ff0fdbe - build_script_build::main::he7a5ac26b943414d [INFO] [stderr] at /opt/crater/workdir/build.rs:6 [INFO] [stderr] 13: 0x56415ff0fee0 - std::rt::lang_start::{{closure}}::h34fadcfcb4a9167c [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x564160229823 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x564160229823 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x5641602308ca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x56416022a2dd - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x56416022a2dd - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x56416022a2dd - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x56415ff0feb9 - std::rt::lang_start::h725d826e51cf7a0d [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x56415ff0fdfa - main [INFO] [stderr] 22: 0x7f82d61e52e1 - __libc_start_main [INFO] [stderr] 23: 0x56415ff0fb6a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "daad283d5bd4ddcb4b3c23fccd6fce4d152f0b78569f57281eac688488db257a"` [INFO] running `"docker" "rm" "-f" "daad283d5bd4ddcb4b3c23fccd6fce4d152f0b78569f57281eac688488db257a"` [INFO] [stdout] daad283d5bd4ddcb4b3c23fccd6fce4d152f0b78569f57281eac688488db257a