Dec 13 11:26:24.726 INFO testing math-fehr/lucyrs against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550 Dec 13 11:26:24.726 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"` Dec 13 11:26:25.186 INFO [stdout] bff77a2f81be624618c77e1dc95f2c3b9a6c7a268f91f2980ceaf5942ae9ed5b Dec 13 11:26:25.191 INFO running `"docker" "start" "-a" "bff77a2f81be624618c77e1dc95f2c3b9a6c7a268f91f2980ceaf5942ae9ed5b"` Dec 13 11:26:26.623 INFO [stderr] usermod: no changes Dec 13 11:26:26.706 INFO [stderr] warning: unused manifest key: build Dec 13 11:26:26.919 INFO [stderr] Compiling phf_generator v0.7.23 Dec 13 11:26:26.931 INFO [stderr] Compiling syn v0.15.20 Dec 13 11:26:27.839 INFO [stderr] Compiling string_cache_codegen v0.4.2 Dec 13 11:26:30.631 INFO [stderr] Compiling string_cache v0.7.3 Dec 13 11:26:38.558 INFO [stderr] Compiling serde_derive v1.0.80 Dec 13 11:26:50.870 INFO [stderr] Compiling docopt v1.0.2 Dec 13 11:26:56.215 INFO [stderr] Compiling lalrpop v0.16.1 Dec 13 11:27:33.087 INFO [stderr] Compiling lucyrs v0.1.0 (/source) Dec 13 11:27:38.035 INFO [stderr] error: failed to run custom build command for `lucyrs v0.1.0 (/source)` Dec 13 11:27:38.035 INFO [stderr] process didn't exit successfully: `/target/debug/build/lucyrs-c8e1753fc888315a/build-script-build` (exit code: 101) Dec 13 11:27:38.035 INFO [stderr] --- stdout Dec 13 11:27:38.035 INFO [stderr] processing file `/source/src/parser/grammar.lalrpop` Dec 13 11:27:38.035 INFO [stderr] Dec 13 11:27:38.035 INFO [stderr] --- stderr Dec 13 11:27:38.035 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:1009:5 Dec 13 11:27:38.035 INFO [stderr] stack backtrace: Dec 13 11:27:38.035 INFO [stderr] 0: 0x55907332a8e3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::heb4d4d98bcf46d90 Dec 13 11:27:38.035 INFO [stderr] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 Dec 13 11:27:38.035 INFO [stderr] 1: 0x559073325318 - std::sys_common::backtrace::_print::h919420b22c2473e3 Dec 13 11:27:38.035 INFO [stderr] at src/libstd/sys_common/backtrace.rs:71 Dec 13 11:27:38.035 INFO [stderr] 2: 0x5590733299e2 - std::panicking::default_hook::{{closure}}::h22d4ac021acb88d5 Dec 13 11:27:38.035 INFO [stderr] at src/libstd/sys_common/backtrace.rs:59 Dec 13 11:27:38.035 INFO [stderr] at src/libstd/panicking.rs:210 Dec 13 11:27:38.035 INFO [stderr] 3: 0x559073329754 - std::panicking::default_hook::h1134a4d34aab4428 Dec 13 11:27:38.035 INFO [stderr] at src/libstd/panicking.rs:224 Dec 13 11:27:38.035 INFO [stderr] 4: 0x55907332a090 - std::panicking::rust_panic_with_hook::h9c89557c251f2d42 Dec 13 11:27:38.035 INFO [stderr] at src/libstd/panicking.rs:487 Dec 13 11:27:38.035 INFO [stderr] 5: 0x559073329c11 - std::panicking::continue_panic_fmt::h6b63497ce98499d4 Dec 13 11:27:38.035 INFO [stderr] at src/libstd/panicking.rs:394 Dec 13 11:27:38.035 INFO [stderr] 6: 0x559073329af5 - rust_begin_unwind Dec 13 11:27:38.035 INFO [stderr] at src/libstd/panicking.rs:321 Dec 13 11:27:38.035 INFO [stderr] 7: 0x55907333d43c - core::panicking::panic_fmt::h68c043a5e81351f3 Dec 13 11:27:38.035 INFO [stderr] at src/libcore/panicking.rs:95 Dec 13 11:27:38.035 INFO [stderr] 8: 0x559072a41e15 - core::result::unwrap_failed::h4d61cefb8c41ba53 Dec 13 11:27:38.035 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libcore/macros.rs:26 Dec 13 11:27:38.035 INFO [stderr] 9: 0x559072a41c7f - >::unwrap::haec1c934e34ba1e4 Dec 13 11:27:38.035 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libcore/result.rs:808 Dec 13 11:27:38.035 INFO [stderr] 10: 0x559072a41f98 - build_script_build::main::hcc3ede1353ef7c58 Dec 13 11:27:38.035 INFO [stderr] at /source/build.rs:4 Dec 13 11:27:38.035 INFO [stderr] 11: 0x559072a41eff - std::rt::lang_start::{{closure}}::h3a37546b4adf879b Dec 13 11:27:38.035 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/rt.rs:74 Dec 13 11:27:38.035 INFO [stderr] 12: 0x559073329a92 - std::panicking::try::do_call::hd22385b9fba3aa8f Dec 13 11:27:38.035 INFO [stderr] at src/libstd/rt.rs:59 Dec 13 11:27:38.035 INFO [stderr] at src/libstd/panicking.rs:306 Dec 13 11:27:38.035 INFO [stderr] 13: 0x559073338769 - __rust_maybe_catch_panic Dec 13 11:27:38.035 INFO [stderr] at src/libpanic_unwind/lib.rs:102 Dec 13 11:27:38.035 INFO [stderr] 14: 0x55907332a463 - std::rt::lang_start_internal::h884c76ddf53aa8b4 Dec 13 11:27:38.035 INFO [stderr] at src/libstd/panicking.rs:285 Dec 13 11:27:38.035 INFO [stderr] at src/libstd/panic.rs:398 Dec 13 11:27:38.035 INFO [stderr] at src/libstd/rt.rs:58 Dec 13 11:27:38.035 INFO [stderr] 15: 0x559072a41ed8 - std::rt::lang_start::hfb120359c1a74f01 Dec 13 11:27:38.035 INFO [stderr] at /rustc/bd47d6825bf4090517549d33cfef10d3300b4a75/src/libstd/rt.rs:74 Dec 13 11:27:38.035 INFO [stderr] 16: 0x559072a41fe9 - main Dec 13 11:27:38.035 INFO [stderr] 17: 0x7fe5b2ad882f - __libc_start_main Dec 13 11:27:38.035 INFO [stderr] 18: 0x559072a416f8 - _start Dec 13 11:27:38.035 INFO [stderr] 19: 0x0 - Dec 13 11:27:38.035 INFO [stderr] Dec 13 11:27:38.043 INFO [stderr] su: No module specific data is present Dec 13 11:27:38.869 INFO running `"docker" "inspect" "bff77a2f81be624618c77e1dc95f2c3b9a6c7a268f91f2980ceaf5942ae9ed5b"` Dec 13 11:27:39.096 INFO running `"docker" "rm" "-f" "bff77a2f81be624618c77e1dc95f2c3b9a6c7a268f91f2980ceaf5942ae9ed5b"` Dec 13 11:27:39.354 INFO [stdout] bff77a2f81be624618c77e1dc95f2c3b9a6c7a268f91f2980ceaf5942ae9ed5b