[INFO] updating cached repository https://github.com/robert-wallis/cube_spec_error [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] eda8dc17bc06766c84c7e0d4297cd6e2e17c829e [INFO] checking robert-wallis/cube_spec_error against nightly-2019-10-27 for pr-65897 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobert-wallis%2Fcube_spec_error" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/robert-wallis/cube_spec_error on toolchain nightly-2019-10-27 [INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/robert-wallis/cube_spec_error [INFO] finished tweaking git repo https://github.com/robert-wallis/cube_spec_error [INFO] tweaked toml for git repo https://github.com/robert-wallis/cube_spec_error written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/robert-wallis/cube_spec_error already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=allow" "-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" "+nightly-2019-10-27" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2898a094acacb9ef92113192e1175782e028b495e0bf50e0a6f0eb3c213d5d8b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "2898a094acacb9ef92113192e1175782e028b495e0bf50e0a6f0eb3c213d5d8b"` [INFO] [stderr] Compiling serde v1.0.88 [INFO] [stderr] Compiling inflections v1.1.1 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Compiling minimp3-sys v0.3.1 [INFO] [stderr] Compiling mikktspace v0.1.1 [INFO] [stderr] Checking colored v1.7.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Checking crossbeam-epoch v0.6.1 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Compiling err-derive v0.1.5 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking cgmath v0.16.1 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-8cca3c2ebcf0eb77/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1165:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55ca224c0ea4 - backtrace::backtrace::libunwind::trace::h76d91e1eb79fb53e [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55ca224c0ea4 - backtrace::backtrace::trace_unsynchronized::h29863717ec6e653b [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ca224c0ea4 - std::sys_common::backtrace::_print_fmt::h433c3127c35ab78a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x55ca224c0ea4 - ::fmt::hc2340102ca4babf0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x55ca224dea6c - core::fmt::write::h5c0dcb2129f8702a [INFO] [stderr] at src/libcore/fmt/mod.rs:1028 [INFO] [stderr] 5: 0x55ca224bea37 - std::io::Write::write_fmt::hf4455330f718fff9 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55ca224c322e - std::sys_common::backtrace::_print::h6ea70acadcfabf8e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x55ca224c322e - std::sys_common::backtrace::print::h0f864c06560e856d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x55ca224c322e - std::panicking::default_hook::{{closure}}::h2e639664c611a0cc [INFO] [stderr] at src/libstd/panicking.rs:188 [INFO] [stderr] 9: 0x55ca224c2f31 - std::panicking::default_hook::ha7dbf9b7148ca0a8 [INFO] [stderr] at src/libstd/panicking.rs:205 [INFO] [stderr] 10: 0x55ca224c3875 - std::panicking::rust_panic_with_hook::h0adc728365f4bf0e [INFO] [stderr] at src/libstd/panicking.rs:468 [INFO] [stderr] 11: 0x55ca224c3412 - std::panicking::continue_panic_fmt::h23c4a3556afe2980 [INFO] [stderr] at src/libstd/panicking.rs:375 [INFO] [stderr] 12: 0x55ca224c3306 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:302 [INFO] [stderr] 13: 0x55ca224dc29a - core::panicking::panic_fmt::h8a8ccdd640da2d14 [INFO] [stderr] at src/libcore/panicking.rs:84 [INFO] [stderr] 14: 0x55ca224dc397 - core::result::unwrap_failed::ha12ec05552f4b969 [INFO] [stderr] at src/libcore/result.rs:1165 [INFO] [stderr] 15: 0x55ca22494580 - core::result::Result::unwrap::h4acf8629a5381fe7 [INFO] [stderr] at /rustc/fae75cd216c481de048e4951697c8f8525669c65/src/libcore/result.rs:933 [INFO] [stderr] 16: 0x55ca22490dfb - build_script_build::main::h177126ce7a960039 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27 [INFO] [stderr] 17: 0x55ca22492590 - std::rt::lang_start::{{closure}}::h577f4d118eb302ef [INFO] [stderr] at /rustc/fae75cd216c481de048e4951697c8f8525669c65/src/libstd/rt.rs:61 [INFO] [stderr] 18: 0x55ca224c32f3 - std::rt::lang_start_internal::{{closure}}::h36226ace461817a7 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 19: 0x55ca224c32f3 - std::panicking::try::do_call::h2024220f599d8d5a [INFO] [stderr] at src/libstd/panicking.rs:287 [INFO] [stderr] 20: 0x55ca224c955a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:83 [INFO] [stderr] 21: 0x55ca224c3d6d - std::panicking::try::h0ace469a320dfd50 [INFO] [stderr] at src/libstd/panicking.rs:265 [INFO] [stderr] 22: 0x55ca224c3d6d - std::panic::catch_unwind::h85f3b2a6adb142d8 [INFO] [stderr] at src/libstd/panic.rs:396 [INFO] [stderr] 23: 0x55ca224c3d6d - std::rt::lang_start_internal::h241a3a2e0acdf39c [INFO] [stderr] at src/libstd/rt.rs:47 [INFO] [stderr] 24: 0x55ca22492569 - std::rt::lang_start::hf5b0cfbed5aa83af [INFO] [stderr] at /rustc/fae75cd216c481de048e4951697c8f8525669c65/src/libstd/rt.rs:61 [INFO] [stderr] 25: 0x55ca22491dda - main [INFO] [stderr] 26: 0x7f704b205b97 - __libc_start_main [INFO] [stderr] 27: 0x55ca224907ca - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "2898a094acacb9ef92113192e1175782e028b495e0bf50e0a6f0eb3c213d5d8b"` [INFO] running `"docker" "rm" "-f" "2898a094acacb9ef92113192e1175782e028b495e0bf50e0a6f0eb3c213d5d8b"` [INFO] [stdout] 2898a094acacb9ef92113192e1175782e028b495e0bf50e0a6f0eb3c213d5d8b