[INFO] updating cached repository https://github.com/CentauriSolutions/mjolnir-plugin-tester [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] 7ca6c17637aa41086e8724a98f9f979651399a37 [INFO] checking CentauriSolutions/mjolnir-plugin-tester against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentauriSolutions%2Fmjolnir-plugin-tester" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788 [INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester [INFO] finished tweaking git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester [INFO] tweaked toml for git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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] da28bcaac1a109936820640d8779cd6429e907d9d25a7cc564639491f6b9ae9e [INFO] running `"docker" "start" "-a" "da28bcaac1a109936820640d8779cd6429e907d9d25a7cc564639491f6b9ae9e"` [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Checking serde v1.0.23 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Compiling serde_derive_internals v0.17.0 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling protoc v1.4.3 [INFO] [stderr] Checking base64 v0.6.0 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking atty v0.2.3 [INFO] [stderr] Compiling rand v0.3.18 [INFO] [stderr] Checking clap v2.28.0 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Compiling serde_derive v1.0.23 [INFO] [stderr] Compiling protobuf v1.4.3 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Checking toml v0.4.5 [INFO] [stderr] Compiling protoc-rust v1.4.3 [INFO] [stderr] Compiling mjolnir-api v0.1.3 (https://github.com/ChrisMacNaughton/mjolnir#81608671) [INFO] [stderr] error: failed to run custom build command for `mjolnir-api v0.1.3 (https://github.com/ChrisMacNaughton/mjolnir#81608671)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mjolnir-api-d52f4982153be8e1/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'protoc: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55f4533e5de4 - backtrace::backtrace::libunwind::trace::hef6fc58b54b0c273 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55f4533e5de4 - backtrace::backtrace::trace_unsynchronized::hed70e532b71a8977 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f4533e5de4 - std::sys_common::backtrace::_print_fmt::hb989f9624749a87e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55f4533e5de4 - ::fmt::h752e880115b2e6b8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x55f4534097cc - core::fmt::write::h8587a0223398998a [INFO] [stderr] at src/libcore/fmt/mod.rs:1028 [INFO] [stderr] 5: 0x55f4533e3107 - std::io::Write::write_fmt::h739e1721b42dc764 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55f4533e87be - std::sys_common::backtrace::_print::he941da29bef7c30c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x55f4533e87be - std::sys_common::backtrace::print::haf56476e740dbe1b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x55f4533e87be - std::panicking::default_hook::{{closure}}::ha490775aa99416ce [INFO] [stderr] at src/libstd/panicking.rs:189 [INFO] [stderr] 9: 0x55f4533e84c1 - std::panicking::default_hook::h27c65cbf7bc04c7a [INFO] [stderr] at src/libstd/panicking.rs:206 [INFO] [stderr] 10: 0x55f4533e8e05 - std::panicking::rust_panic_with_hook::h5640e0014aa25ab8 [INFO] [stderr] at src/libstd/panicking.rs:469 [INFO] [stderr] 11: 0x55f4533e89a2 - std::panicking::continue_panic_fmt::hcb7480b833c2eeb7 [INFO] [stderr] at src/libstd/panicking.rs:376 [INFO] [stderr] 12: 0x55f4533e8896 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 13: 0x55f453405dba - core::panicking::panic_fmt::h10a13d576f8f5c74 [INFO] [stderr] at src/libcore/panicking.rs:84 [INFO] [stderr] 14: 0x55f453405eb7 - core::result::unwrap_failed::h45969ee7aa3b5572 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x55f453129df9 - core::result::Result::expect::h2918f61551c77682 [INFO] [stderr] at /rustc/38f08371587f97c145dedb2c055ac7b01bf1e788/src/libcore/result.rs:960 [INFO] [stderr] 16: 0x55f45312a03a - build_script_build::main::he825b325f192f934 [INFO] [stderr] at /opt/rustwide/cargo-home/git/checkouts/mjolnir-b48ed57251170b8b/8160867/mjolnir-api/build.rs:4 [INFO] [stderr] 17: 0x55f45312a0e0 - std::rt::lang_start::{{closure}}::h2f5aa0524bc7ef70 [INFO] [stderr] at /rustc/38f08371587f97c145dedb2c055ac7b01bf1e788/src/libstd/rt.rs:61 [INFO] [stderr] 18: 0x55f4533e8883 - std::rt::lang_start_internal::{{closure}}::h5f0ee1fc0a13fd44 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 19: 0x55f4533e8883 - std::panicking::try::do_call::h1b76048f8cff5994 [INFO] [stderr] at src/libstd/panicking.rs:288 [INFO] [stderr] 20: 0x55f4533ef72a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x55f4533e92fd - std::panicking::try::hb92b65c4d6ee9dd4 [INFO] [stderr] at src/libstd/panicking.rs:267 [INFO] [stderr] 22: 0x55f4533e92fd - std::panic::catch_unwind::hc76e28cdfa615edb [INFO] [stderr] at src/libstd/panic.rs:396 [INFO] [stderr] 23: 0x55f4533e92fd - std::rt::lang_start_internal::h8abfd636cde844de [INFO] [stderr] at src/libstd/rt.rs:47 [INFO] [stderr] 24: 0x55f45312a0b9 - std::rt::lang_start::hb8b46745431ebf52 [INFO] [stderr] at /rustc/38f08371587f97c145dedb2c055ac7b01bf1e788/src/libstd/rt.rs:61 [INFO] [stderr] 25: 0x55f45312a06a - main [INFO] [stderr] 26: 0x7f509406eb97 - __libc_start_main [INFO] [stderr] 27: 0x55f453129c4a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "da28bcaac1a109936820640d8779cd6429e907d9d25a7cc564639491f6b9ae9e"` [INFO] running `"docker" "rm" "-f" "da28bcaac1a109936820640d8779cd6429e907d9d25a7cc564639491f6b9ae9e"` [INFO] [stdout] da28bcaac1a109936820640d8779cd6429e907d9d25a7cc564639491f6b9ae9e