[INFO] updating cached repository math-fehr/lucyrs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/math-fehr/lucyrs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/math-fehr/lucyrs" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/math-fehr/lucyrs"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/math-fehr/lucyrs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/math-fehr/lucyrs" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/math-fehr/lucyrs"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of math-fehr/lucyrs on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-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-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking math-fehr/lucyrs against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] bdf92aee9d278478374081469723e11946ca67e3f37794ae057c78a21ac8c12e [INFO] running `"docker" "start" "-a" "bdf92aee9d278478374081469723e11946ca67e3f37794ae057c78a21ac8c12e"` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling proc-macro2 v0.4.23 [INFO] [stderr] Compiling ucd-util v0.1.2 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Compiling byte-tools v0.3.0 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling opaque-debug v0.2.1 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling lalrpop-util v0.16.1 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling block-padding v0.1.2 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling regex-syntax v0.6.3 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling block-buffer v0.7.0 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Compiling syn v0.15.20 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Checking 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-9ccf7f4851ad3c24/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:1084:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a9984ba6eb - backtrace::backtrace::libunwind::trace::h5d27dcba3b250cfe [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55a9984ba6eb - backtrace::backtrace::trace_unsynchronized::h239341a8b1cadbab [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a9984ba6eb - std::sys_common::backtrace::_print::hb0e5dd39180a1838 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55a9984ba6eb - std::sys_common::backtrace::print::h9b385b2285f057b8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55a9984ba6eb - std::panicking::default_hook::{{closure}}::he3310a15a78966b4 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x55a9984ba3c6 - std::panicking::default_hook::h2986f418df62eff4 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x55a9984badfd - std::panicking::rust_panic_with_hook::h15065386631d2a9d [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x55a9984ba982 - std::panicking::continue_panic_fmt::h5e7761875fda3864 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x55a9984ba866 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x55a9984d3edd - core::panicking::panic_fmt::ha57541b4d360b196 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x55a9984d3fd7 - core::result::unwrap_failed::h30a7262287ea7c1e [INFO] [stderr] at src/libcore/result.rs:1084 [INFO] [stderr] 11: 0x55a997afb358 - core::result::Result::unwrap::h6ce05cfd4a9db7ef [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libcore/result.rs:852 [INFO] [stderr] 12: 0x55a997afb719 - build_script_build::main::hfd315931b0b8e13d [INFO] [stderr] at /opt/crater/workdir/build.rs:4 [INFO] [stderr] 13: 0x55a997afb260 - std::rt::lang_start::{{closure}}::h563e25eb6eeefc23 [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x55a9984ba803 - std::rt::lang_start_internal::{{closure}}::hbf4603a1e6e1424d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x55a9984ba803 - std::panicking::try::do_call::h7642e0de797eeae0 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x55a9984bd71a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 17: 0x55a9984bb30d - std::panicking::try::h17f145530f8b5a3f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x55a9984bb30d - std::panic::catch_unwind::hcee1b9b07ea0f9dc [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55a9984bb30d - std::rt::lang_start_internal::h82d44298f58b2cfd [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x55a997afb239 - std::rt::lang_start::h9696ce70749e9aef [INFO] [stderr] at /rustc/452087b4bf18cece2d52d7cd8c9147195e5404bf/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x55a997afb76a - main [INFO] [stderr] 22: 0x7f9fd8ed12e1 - __libc_start_main [INFO] [stderr] 23: 0x55a997afb0ea - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "bdf92aee9d278478374081469723e11946ca67e3f37794ae057c78a21ac8c12e"` [INFO] running `"docker" "rm" "-f" "bdf92aee9d278478374081469723e11946ca67e3f37794ae057c78a21ac8c12e"` [INFO] [stdout] bdf92aee9d278478374081469723e11946ca67e3f37794ae057c78a21ac8c12e