[INFO] updating cached repository https://github.com/ojhunt/circuits [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] ae4b4558583c77da5a13b67dd10e304618aca6c1 [INFO] checking ojhunt/circuits against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fojhunt%2Fcircuits" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ojhunt/circuits on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494 [INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/ojhunt/circuits [INFO] removed 1 missing examples [INFO] finished tweaking git repo https://github.com/ojhunt/circuits [INFO] tweaked toml for git repo https://github.com/ojhunt/circuits written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/ojhunt/circuits already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 95b02993c3d58b6d9973a68bfefdbec7a71b0980dbd153e51f6763951d73e41c [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" "95b02993c3d58b6d9973a68bfefdbec7a71b0980dbd153e51f6763951d73e41c"` [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling lalrpop-util v0.17.2 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.2 [INFO] [stderr] Compiling waffle_sim v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `waffle_sim v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/waffle_sim-c29c9bfd3d312e28/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `./src/parser/circuit_parser.lalrpop` [INFO] [stderr] [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" }', build.rs:4:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x558e93d006e4 - backtrace::backtrace::libunwind::trace::h80055c9fc04ee02a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x558e93d006e4 - backtrace::backtrace::trace_unsynchronized::hdc3325d56f0c3cf3 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558e93d006e4 - std::sys_common::backtrace::_print_fmt::hf6698baf6d0d6f95 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x558e93d006e4 - ::fmt::hde7eb8c3d6c49873 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x558e93d1d7bc - core::fmt::write::h5d76b6b7b1847936 [INFO] [stderr] at src/libcore/fmt/mod.rs:1057 [INFO] [stderr] 5: 0x558e93cfdd17 - std::io::Write::write_fmt::h77ba5ebe1eee52ad [INFO] [stderr] at src/libstd/io/mod.rs:1426 [INFO] [stderr] 6: 0x558e93d02785 - std::sys_common::backtrace::_print::hf8a47a8d351e0fbd [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x558e93d02785 - std::sys_common::backtrace::print::h71ada4f56fb6e22c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x558e93d02785 - std::panicking::default_hook::{{closure}}::h6a3ba1f4739dcd04 [INFO] [stderr] at src/libstd/panicking.rs:195 [INFO] [stderr] 9: 0x558e93d02471 - std::panicking::default_hook::he979893a7228a5c0 [INFO] [stderr] at src/libstd/panicking.rs:215 [INFO] [stderr] 10: 0x558e93d02d8a - std::panicking::rust_panic_with_hook::h697f90879213769b [INFO] [stderr] at src/libstd/panicking.rs:463 [INFO] [stderr] 11: 0x558e93d02970 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:371 [INFO] [stderr] 12: 0x558e93d1be31 - core::panicking::panic_fmt::h0b34db59a32ffb79 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x558e93d1bc53 - core::option::expect_none_failed::hdc3fe95c2358cbf1 [INFO] [stderr] at src/libcore/option.rs:1198 [INFO] [stderr] 14: 0x558e933953e9 - core::result::Result::unwrap::h43cf7de62e547a8b [INFO] [stderr] at /rustc/30ca215b4e38b32aa7abdd635c5e2d56f5724494/src/libcore/result.rs:962 [INFO] [stderr] 15: 0x558e933952e4 - build_script_build::main::h0e76dfcc7b61eebb [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4 [INFO] [stderr] 16: 0x558e933957d0 - std::rt::lang_start::{{closure}}::hb55710b7509f3a99 [INFO] [stderr] at /rustc/30ca215b4e38b32aa7abdd635c5e2d56f5724494/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x558e93d02853 - std::rt::lang_start_internal::{{closure}}::h7ff682ecef2392c4 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x558e93d02853 - std::panicking::try::do_call::h6e874d12a78bb537 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 19: 0x558e93d057ba - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:79 [INFO] [stderr] 20: 0x558e93d03230 - std::panicking::try::h21e662efa77e70e9 [INFO] [stderr] at src/libstd/panicking.rs:272 [INFO] [stderr] 21: 0x558e93d03230 - std::panic::catch_unwind::hcf22a1acd4d4cf4f [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x558e93d03230 - std::rt::lang_start_internal::hf0c209ee2831e2b5 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x558e933957a9 - std::rt::lang_start::hb089c8f9b682d428 [INFO] [stderr] at /rustc/30ca215b4e38b32aa7abdd635c5e2d56f5724494/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x558e9339533a - main [INFO] [stderr] 25: 0x7f57ffc7eb97 - __libc_start_main [INFO] [stderr] 26: 0x558e9339513a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "95b02993c3d58b6d9973a68bfefdbec7a71b0980dbd153e51f6763951d73e41c"` [INFO] running `"docker" "rm" "-f" "95b02993c3d58b6d9973a68bfefdbec7a71b0980dbd153e51f6763951d73e41c"` [INFO] [stdout] 95b02993c3d58b6d9973a68bfefdbec7a71b0980dbd153e51f6763951d73e41c