[INFO] cloning repository math-fehr/lucyrs [INFO] running `"git" "clone" "--bare" "git://github.com/math-fehr/lucyrs.git" "work/cache/sources/gh/math-fehr/lucyrs"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/math-fehr/lucyrs'... [INFO] running `"git" "clone" "work/cache/sources/gh/math-fehr/lucyrs" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/math-fehr/lucyrs"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/math-fehr/lucyrs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/math-fehr/lucyrs" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/math-fehr/lucyrs"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/math-fehr/lucyrs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c52eb048eead3318ae80a1a74235bb502dc1e678 [INFO] sha for GitHub repo math-fehr/lucyrs: c52eb048eead3318ae80a1a74235bb502dc1e678 [INFO] validating manifest of math-fehr/lucyrs on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of math-fehr/lucyrs on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing math-fehr/lucyrs [INFO] finished frobbing math-fehr/lucyrs [INFO] frobbed toml for math-fehr/lucyrs written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/math-fehr/lucyrs/Cargo.toml [INFO] started frobbing math-fehr/lucyrs [INFO] finished frobbing math-fehr/lucyrs [INFO] frobbed toml for math-fehr/lucyrs written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/math-fehr/lucyrs/Cargo.toml [INFO] crate math-fehr/lucyrs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing math-fehr/lucyrs against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-7/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/math-fehr/lucyrs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] 4ce131a3ccfedd5b1ff020958ba34dabf9aa03c905b1925a1ad9547772158543 [INFO] running `"docker" "start" "-a" "4ce131a3ccfedd5b1ff020958ba34dabf9aa03c905b1925a1ad9547772158543"` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] Compiling lalrpop-util v0.16.1 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling syn v0.15.20 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling docopt v1.0.2 [INFO] [stderr] Compiling lalrpop v0.16.1 [INFO] [stderr] Compiling lucyrs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `lucyrs v0.1.0 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/lucyrs-72c9083cbd5c4eb4/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `/opt/crater/workdir/src/lucy/grammar.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" }', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55987a0db6ab - backtrace::backtrace::libunwind::trace::hcbf63b8d794b15f4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55987a0db6ab - backtrace::backtrace::trace_unsynchronized::h681e1cb201a9972d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55987a0db6ab - std::sys_common::backtrace::_print::hd27175ce39811176 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55987a0db6ab - std::sys_common::backtrace::print::h117e2eebf9a1e122 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55987a0db6ab - std::panicking::default_hook::{{closure}}::h6369b988ee675335 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55987a0db3ac - std::panicking::default_hook::hfaefd2bea4c25f9e [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55987a0dbdc0 - std::panicking::rust_panic_with_hook::h02c52718165ccced [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55987a0db942 - std::panicking::continue_panic_fmt::h9e135674c1df51b4 [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x55987a0db826 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:309 [INFO] [stderr] 9: 0x55987a0f527d - core::panicking::panic_fmt::h58c956553ac8538f [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x559879738815 - core::result::unwrap_failed::h059fbeefbbaefdcf [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x5598797388db - core::result::Result::unwrap::hc0dee8df23bb8c8b [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libcore/result.rs:800 [INFO] [stderr] 12: 0x559879738679 - build_script_build::main::h10c5f7c1cba91d74 [INFO] [stderr] at /opt/crater/workdir/build.rs:4 [INFO] [stderr] 13: 0x559879738a10 - std::rt::lang_start::{{closure}}::h5b5c8dfbca472407 [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55987a0db7c3 - std::rt::lang_start_internal::{{closure}}::hcbc5c8394111530e [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55987a0db7c3 - std::panicking::try::do_call::h84c4ef65129422bb [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 16: 0x55987a0de97a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 17: 0x55987a0dc2cd - std::panicking::try::h2c4ddfbb8ee8ea48 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 18: 0x55987a0dc2cd - std::panic::catch_unwind::hdaf4c8aaf8d806d4 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 19: 0x55987a0dc2cd - std::rt::lang_start_internal::h62b0fb13d258520d [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x5598797389e9 - std::rt::lang_start::h7e0ba54ee49a12be [INFO] [stderr] at /rustc/c8865d8e195813ade6b84434ac9f8850e7112d1a/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x5598797386ca - main [INFO] [stderr] 22: 0x7f9138da32e1 - __libc_start_main [INFO] [stderr] 23: 0x55987973815a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "4ce131a3ccfedd5b1ff020958ba34dabf9aa03c905b1925a1ad9547772158543"` [INFO] running `"docker" "rm" "-f" "4ce131a3ccfedd5b1ff020958ba34dabf9aa03c905b1925a1ad9547772158543"` [INFO] [stdout] 4ce131a3ccfedd5b1ff020958ba34dabf9aa03c905b1925a1ad9547772158543