[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 master#3dbade652ed8ebac70f903e01f51cd92c4e4302c for pr-69880 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentauriSolutions%2Fmjolnir-plugin-tester" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester on toolchain 3dbade652ed8ebac70f903e01f51cd92c4e4302c [INFO] running `"/workspace/cargo-home/bin/cargo" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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-4/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+3dbade652ed8ebac70f903e01f51cd92c4e4302c" "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] a7c76ac00562b134897acc32899704d040540db8ee799c93fe9d79676c93ad07 [INFO] running `"docker" "start" "-a" "a7c76ac00562b134897acc32899704d040540db8ee799c93fe9d79676c93ad07"` [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 strsim v0.6.0 [INFO] [stderr] Checking ansi_term v0.10.2 [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] Compiling iovec v0.1.1 [INFO] [stderr] Compiling rand v0.3.18 [INFO] [stderr] Compiling bytes v0.4.5 [INFO] [stderr] Checking atty v0.2.3 [INFO] [stderr] Compiling serde_derive v1.0.23 [INFO] [stderr] Checking clap v2.28.0 [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-a424417693c6a4f2/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" }', /opt/rustwide/cargo-home/git/checkouts/mjolnir-b48ed57251170b8b/8160867/mjolnir-api/build.rs:4:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55b0b9008754 - backtrace::backtrace::libunwind::trace::hdc004fffd272f071 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55b0b9008754 - backtrace::backtrace::trace_unsynchronized::h609a1e165a63b730 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55b0b9008754 - std::sys_common::backtrace::_print_fmt::h95318708fefaeefe [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55b0b9008754 - ::fmt::h590aefc216c9b5b2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55b0b902ce8c - core::fmt::write::hced55d1e3f5eccac [INFO] [stderr] at src/libcore/fmt/mod.rs:1063 [INFO] [stderr] 5: 0x55b0b9005b37 - std::io::Write::write_fmt::h908c091ec0665ba8 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x55b0b900b085 - std::sys_common::backtrace::_print::h3cfdd2b217db58ae [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55b0b900b085 - std::sys_common::backtrace::print::h1552785754fbc7a8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55b0b900b085 - std::panicking::default_hook::{{closure}}::ha0f47b7d85c7040d [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x55b0b900add2 - std::panicking::default_hook::h03ad8166758c7f60 [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x55b0b900b642 - std::panicking::rust_panic_with_hook::h0d494ec3fd8df07b [INFO] [stderr] at src/libstd/panicking.rs:470 [INFO] [stderr] 11: 0x55b0b900b22b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:378 [INFO] [stderr] 12: 0x55b0b902aee1 - core::panicking::panic_fmt::hdcc9e830d989aff8 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x55b0b902ad03 - core::option::expect_none_failed::h52d24ac2f7bb4282 [INFO] [stderr] at src/libcore/option.rs:1211 [INFO] [stderr] 14: 0x55b0b8d99b8f - core::result::Result::expect::h0685b9465ce01f44 [INFO] [stderr] at /rustc/3dbade652ed8ebac70f903e01f51cd92c4e4302c/src/libcore/result.rs:961 [INFO] [stderr] 15: 0x55b0b8d99c33 - build_script_build::main::h9e8f6ae19b49793a [INFO] [stderr] at /opt/rustwide/cargo-home/git/checkouts/mjolnir-b48ed57251170b8b/8160867/mjolnir-api/build.rs:4 [INFO] [stderr] 16: 0x55b0b8d99afb - std::rt::lang_start::{{closure}}::h09820c48aecb337b [INFO] [stderr] at /rustc/3dbade652ed8ebac70f903e01f51cd92c4e4302c/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55b0b900b153 - std::rt::lang_start_internal::{{closure}}::hd836b51c69f3c1cf [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55b0b900b153 - std::panicking::try::do_call::hf9da5eeb55808ae9 [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 19: 0x55b0b9012c67 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 20: 0x55b0b900bb6b - std::panicking::try::h066efa4d64854211 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 21: 0x55b0b900bb6b - std::panic::catch_unwind::hccc86cfb87152f82 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x55b0b900bb6b - std::rt::lang_start_internal::h031b049d0fa6f856 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x55b0b8d99ad7 - std::rt::lang_start::h4a2953910385cb20 [INFO] [stderr] at /rustc/3dbade652ed8ebac70f903e01f51cd92c4e4302c/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x55b0b8d99c6a - main [INFO] [stderr] 25: 0x7f4330796b97 - __libc_start_main [INFO] [stderr] 26: 0x55b0b8d9995a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "a7c76ac00562b134897acc32899704d040540db8ee799c93fe9d79676c93ad07"` [INFO] running `"docker" "rm" "-f" "a7c76ac00562b134897acc32899704d040540db8ee799c93fe9d79676c93ad07"` [INFO] [stdout] a7c76ac00562b134897acc32899704d040540db8ee799c93fe9d79676c93ad07