[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] testing ojhunt/circuits against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fojhunt%2Fcircuits" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ojhunt/circuits on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-3/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" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stdout] cf615a62b5937dad6b64b7f6a59a516256d1e28d122ded3a6c7c9e9f73bfb2ca [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" "cf615a62b5937dad6b64b7f6a59a516256d1e28d122ded3a6c7c9e9f73bfb2ca"` [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling proc-macro2 v1.0.4 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling ena v0.13.1 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling string_cache_codegen v0.4.4 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling serde_derive 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-2d80df6cb46797e8/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: 0x55cefc6c2d74 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55cefc6c2d74 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55cefc6c2d74 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55cefc6c2d74 - ::fmt::h4d51ef07ce58e54b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55cefc6e717c - core::fmt::write::he16b9c1345d8565e [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55cefc6c01b3 - std::io::Write::write_fmt::h35d873b9ce1f02a8 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55cefc6c5395 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55cefc6c5395 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55cefc6c5395 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55cefc6c50d2 - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55cefc6c59f2 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x55cefc6c55db - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x55cefc6e58c1 - core::panicking::panic_fmt::hc8f9a0b2af5fb585 [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x55cefc6e56e3 - core::option::expect_none_failed::ha34d57526cca3063 [INFO] [stderr] at src/libcore/option.rs:1268 [INFO] [stderr] 14: 0x55cefbdb0da3 - core::result::Result::unwrap::h1c5e6fd958b7e538 [INFO] [stderr] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x55cefbdb0e93 - build_script_build::main::h1e6c6fd22374e186 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4 [INFO] [stderr] 16: 0x55cefbdb0cab - std::rt::lang_start::{{closure}}::hdad27dc18ad633d6 [INFO] [stderr] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55cefc6c5e38 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55cefc6c5e38 - std::panicking::try::do_call::hbcbbc645883681bb [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x55cefc6c5e38 - std::panicking::try::h250f86dc8ee6d054 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x55cefc6c5e38 - std::panic::catch_unwind::h58d26ced09bde6c3 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55cefc6c5e38 - std::rt::lang_start_internal::h7de51dd9f16af454 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55cefbdb0c87 - std::rt::lang_start::h430c2e90d340020a [INFO] [stderr] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55cefbdb0eea - main [INFO] [stderr] 24: 0x7f88559b9b97 - __libc_start_main [INFO] [stderr] 25: 0x55cefbdb0b2a - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "cf615a62b5937dad6b64b7f6a59a516256d1e28d122ded3a6c7c9e9f73bfb2ca"` [INFO] running `"docker" "rm" "-f" "cf615a62b5937dad6b64b7f6a59a516256d1e28d122ded3a6c7c9e9f73bfb2ca"` [INFO] [stdout] cf615a62b5937dad6b64b7f6a59a516256d1e28d122ded3a6c7c9e9f73bfb2ca