[INFO] updating cached repository https://github.com/CentauriSolutions/mjolnir-plugin-tester [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7ca6c17637aa41086e8724a98f9f979651399a37 [INFO] testing CentauriSolutions/mjolnir-plugin-tester against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCentauriSolutions%2Fmjolnir-plugin-tester" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CentauriSolutions/mjolnir-plugin-tester on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] be6d90e3fb865b15dd0e8b0d9304c99dfdd65717b84d0f54889b56b8a58cd036 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "be6d90e3fb865b15dd0e8b0d9304c99dfdd65717b84d0f54889b56b8a58cd036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "be6d90e3fb865b15dd0e8b0d9304c99dfdd65717b84d0f54889b56b8a58cd036", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be6d90e3fb865b15dd0e8b0d9304c99dfdd65717b84d0f54889b56b8a58cd036", kill_on_drop: false }` [INFO] [stdout] be6d90e3fb865b15dd0e8b0d9304c99dfdd65717b84d0f54889b56b8a58cd036 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7980cf661db8063a81a507b2ec58c1e634b000aa4bfb717fd95a4fcb031a7c8a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "7980cf661db8063a81a507b2ec58c1e634b000aa4bfb717fd95a4fcb031a7c8a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.34 [INFO] [stderr] Compiling byteorder v1.2.1 [INFO] [stderr] Compiling log v0.3.8 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling serde v1.0.23 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling ansi_term v0.10.2 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling safemem v0.2.0 [INFO] [stderr] Compiling textwrap v0.9.0 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling protoc v1.4.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling base64 v0.6.0 [INFO] [stderr] Compiling iovec v0.1.1 [INFO] [stderr] Compiling rand v0.3.18 [INFO] [stderr] Compiling atty v0.2.3 [INFO] [stderr] Compiling clap v2.28.0 [INFO] [stderr] Compiling bytes v0.4.5 [INFO] [stderr] Compiling protobuf v1.4.3 [INFO] [stderr] Compiling tempdir v0.3.5 [INFO] [stderr] Compiling serde_derive_internals v0.17.0 [INFO] [stderr] Compiling serde_derive v1.0.23 [INFO] [stderr] Compiling 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-05229ee9170b1f6b/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:8:8 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56423b110365 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x56423b110365 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56423b110365 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x56423b110365 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x56423b138b3c - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x56423b10d5e2 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x56423b112c90 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x56423b112c90 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x56423b112c90 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x56423b1129dc - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x56423b1132d3 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x56423b112ecb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x56423b136aa1 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x56423b1368c3 - core::option::expect_none_failed::h972f96abb4ec8952 [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x56423aeba2df - core::result::Result::expect::hc00d9b527ec85a5c [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libcore/result.rs:963 [INFO] [stderr] 15: 0x56423aeba3f3 - build_script_build::main::hfd080006545f76b9 [INFO] [stderr] at /opt/rustwide/cargo-home/git/checkouts/mjolnir-b48ed57251170b8b/8160867/mjolnir-api/build.rs:4 [INFO] [stderr] 16: 0x56423aeba49b - std::rt::lang_start::{{closure}}::h0c0d56adc2b96995 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x56423b1136a3 - std::rt::lang_start_internal::{{closure}}::h84a998219831fa70 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x56423b1136a3 - std::panicking::try::do_call::he8e1d689a3e26def [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x56423b1136a3 - std::panicking::try::h264b6eebc2fa7bbf [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x56423b1136a3 - std::panic::catch_unwind::hbf28fafa723b2128 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x56423b1136a3 - std::rt::lang_start_internal::he959aa59bc3ec202 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x56423aeba477 - std::rt::lang_start::ha8f8d48365f818f9 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x56423aeba42a - main [INFO] [stderr] 24: 0x7fe2790fb0b3 - __libc_start_main [INFO] [stderr] 25: 0x56423aeba19e - _start [INFO] [stderr] 26: 0x0 - [INFO] running `Command { std: "docker" "inspect" "7980cf661db8063a81a507b2ec58c1e634b000aa4bfb717fd95a4fcb031a7c8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7980cf661db8063a81a507b2ec58c1e634b000aa4bfb717fd95a4fcb031a7c8a", kill_on_drop: false }` [INFO] [stdout] 7980cf661db8063a81a507b2ec58c1e634b000aa4bfb717fd95a4fcb031a7c8a