[INFO] updating cached repository https://github.com/CentauriSolutions/mjolnir-plugin-tester [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] testing CentauriSolutions/mjolnir-plugin-tester against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentauriSolutions%2Fmjolnir-plugin-tester" "work/builds/worker-1/source"` [INFO] [stderr] Cloning into 'work/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/builds/worker-1/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 `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] c386f75cebaa64ff04f4603bd582ca566f6440b56d91ef0b04661947ffd85bb9 [INFO] running `"docker" "start" "-a" "c386f75cebaa64ff04f4603bd582ca566f6440b56d91ef0b04661947ffd85bb9"` [INFO] [stderr] Compiling iovec v0.1.1 [INFO] [stderr] Compiling protoc v1.4.3 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling toml v0.4.5 [INFO] [stderr] Compiling bytes v0.4.5 [INFO] [stderr] Compiling protobuf v1.4.3 [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-22d1617708ed0bee/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:1084:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5628d1d5c58b - backtrace::backtrace::libunwind::trace::h89fcc71e59e3bc5b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5628d1d5c58b - backtrace::backtrace::trace_unsynchronized::h0bad9be1379e729a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5628d1d5c58b - std::sys_common::backtrace::_print::hd3382a1f33c473da [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5628d1d5c58b - std::sys_common::backtrace::print::h0ec6f03cfb8e76a6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5628d1d5c58b - std::panicking::default_hook::{{closure}}::h96cbf7b454e3f557 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5628d1d5c266 - std::panicking::default_hook::h95a8f00337383d83 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5628d1d5cc4d - std::panicking::rust_panic_with_hook::h92f98b46e22f14ed [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5628d1d5c7d2 - std::panicking::continue_panic_fmt::h25abfbb4e5b7043a [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x5628d1d5c6b6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x5628d1d79e5d - core::panicking::panic_fmt::h7e9f94035af782b3 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x5628d1d79f57 - core::result::unwrap_failed::hf7591c1dd9412006 [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x5628d1a9ba69 - core::result::Result::expect::hab006d626cb50c19 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libcore/result.rs:879 [INFO] [stderr] 12: 0x5628d1a9bbac - build_script_build::main::had4b2fa7955de474 [INFO] [stderr] at /opt/rustwide/cargo-home/git/checkouts/mjolnir-b48ed57251170b8b/8160867/mjolnir-api/build.rs:4 [INFO] [stderr] 13: 0x5628d1a9bb10 - std::rt::lang_start::{{closure}}::h1957ff767949814d [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x5628d1d5c6a3 - std::rt::lang_start_internal::{{closure}}::h4e93c1949c7a1955 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x5628d1d5c6a3 - std::panicking::try::do_call::h9440ccd4dc467eaa [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x5628d1d635ea - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x5628d1d5d15d - std::panicking::try::hc046e7ee42ee744f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x5628d1d5d15d - std::panic::catch_unwind::h27dfc457c200aee0 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x5628d1d5d15d - std::rt::lang_start_internal::hea1b49a567afe309 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x5628d1a9bae9 - std::rt::lang_start::hc5fd3857b233e597 [INFO] [stderr] at /rustc/625451e376bb2e5283fc4741caa0a3e8a2ca4d54/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x5628d1a9bbea - main [INFO] [stderr] 22: 0x7f29acdeab97 - __libc_start_main [INFO] [stderr] 23: 0x5628d1a9b72a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "c386f75cebaa64ff04f4603bd582ca566f6440b56d91ef0b04661947ffd85bb9"` [INFO] running `"docker" "rm" "-f" "c386f75cebaa64ff04f4603bd582ca566f6440b56d91ef0b04661947ffd85bb9"` [INFO] [stdout] c386f75cebaa64ff04f4603bd582ca566f6440b56d91ef0b04661947ffd85bb9