[INFO] updating cached repository https://github.com/jakubadamw/rust-protobuf-414 [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f4e3c3e188c0045b865bd42fedd0066f5a17c2d1 [INFO] checking jakubadamw/rust-protobuf-414 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakubadamw%2Frust-protobuf-414" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakubadamw/rust-protobuf-414 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7 [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jakubadamw/rust-protobuf-414 [INFO] finished tweaking git repo https://github.com/jakubadamw/rust-protobuf-414 [INFO] tweaked toml for git repo https://github.com/jakubadamw/rust-protobuf-414 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/jakubadamw/rust-protobuf-414 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] fad61a080f00cd199dedd1f13e35c22bab6c37f3256c80addb34ffd75d63db4e [INFO] running `"docker" "start" "-a" "fad61a080f00cd199dedd1f13e35c22bab6c37f3256c80addb34ffd75d63db4e"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling getrandom v0.1.6 [INFO] [stderr] Compiling c2-chacha v0.2.2 [INFO] [stderr] Compiling protobuf v2.7.0 [INFO] [stderr] Compiling protoc v2.7.0 [INFO] [stderr] Compiling rand_core v0.5.0 [INFO] [stderr] Compiling rand_chacha v0.2.0 [INFO] [stderr] Compiling rand v0.7.0 [INFO] [stderr] Compiling tempfile v3.1.0 [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/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `reproduction_414 v0.0.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/reproduction_414-d1115df77921bbaf/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:1189:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55853b7114c4 - backtrace::backtrace::libunwind::trace::hc586f95f659e6084 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55853b7114c4 - backtrace::backtrace::trace_unsynchronized::ha9827fdb593fd967 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55853b7114c4 - std::sys_common::backtrace::_print_fmt::h00c888c95e07165a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:84 [INFO] [stderr] 3: 0x55853b7114c4 - ::fmt::h8407ffb2d059bc74 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x55853b7361bc - core::fmt::write::h4165a12a3856465f [INFO] [stderr] at src/libcore/fmt/mod.rs:1024 [INFO] [stderr] 5: 0x55853b70e7d7 - std::io::Write::write_fmt::h499a0566ceaa0048 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x55853b713aee - std::sys_common::backtrace::_print::h05fbb11587298e2b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x55853b713aee - std::sys_common::backtrace::print::h8021a3ed2b5ff07e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x55853b713aee - std::panicking::default_hook::{{closure}}::hd3a6326f5c6c149f [INFO] [stderr] at src/libstd/panicking.rs:193 [INFO] [stderr] 9: 0x55853b7137e1 - std::panicking::default_hook::h7088fb00a0cb1faf [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x55853b71411b - std::panicking::rust_panic_with_hook::h6b223bff7721d4c1 [INFO] [stderr] at src/libstd/panicking.rs:471 [INFO] [stderr] 11: 0x55853b713cce - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:375 [INFO] [stderr] 12: 0x55853b73274e - core::panicking::panic_fmt::hed15e18c2b62a00c [INFO] [stderr] at src/libcore/panicking.rs:82 [INFO] [stderr] 13: 0x55853b732847 - core::result::unwrap_failed::h0c21f552c0eecb97 [INFO] [stderr] at src/libcore/result.rs:1189 [INFO] [stderr] 14: 0x55853b42ed89 - core::result::Result::expect::hdefdb3c6a15d997f [INFO] [stderr] at /rustc/fdc0011561c6365c596dfd8fa1ef388162bc89c7/src/libcore/result.rs:984 [INFO] [stderr] 15: 0x55853b42ea8e - build_script_build::main::hb7f60e873d53bee6 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6 [INFO] [stderr] 16: 0x55853b42eca0 - std::rt::lang_start::{{closure}}::h50a22327fcb302ad [INFO] [stderr] at /rustc/fdc0011561c6365c596dfd8fa1ef388162bc89c7/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55853b713bb3 - std::rt::lang_start_internal::{{closure}}::h1595fe6caeecd9df [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55853b713bb3 - std::panicking::try::do_call::he30f1dd3074e47c0 [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 19: 0x55853b71b16a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:78 [INFO] [stderr] 20: 0x55853b7145b0 - std::panicking::try::hf96e32b9e974850c [INFO] [stderr] at src/libstd/panicking.rs:270 [INFO] [stderr] 21: 0x55853b7145b0 - std::panic::catch_unwind::h6019fde5b359e726 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x55853b7145b0 - std::rt::lang_start_internal::he1a167fa2ebf85bc [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x55853b42ec79 - std::rt::lang_start::ha101dd1f4401f73a [INFO] [stderr] at /rustc/fdc0011561c6365c596dfd8fa1ef388162bc89c7/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x55853b42eaca - main [INFO] [stderr] 25: 0x7f6fd6a0eb97 - __libc_start_main [INFO] [stderr] 26: 0x55853b42e5fa - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "fad61a080f00cd199dedd1f13e35c22bab6c37f3256c80addb34ffd75d63db4e"` [INFO] running `"docker" "rm" "-f" "fad61a080f00cd199dedd1f13e35c22bab6c37f3256c80addb34ffd75d63db4e"` [INFO] [stdout] fad61a080f00cd199dedd1f13e35c22bab6c37f3256c80addb34ffd75d63db4e