[INFO] updating cached repository https://github.com/math-fehr/lucyrs [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] c52eb048eead3318ae80a1a74235bb502dc1e678 [INFO] checking math-fehr/lucyrs against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmath-fehr%2Flucyrs" "/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/math-fehr/lucyrs on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc [INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/math-fehr/lucyrs [INFO] finished tweaking git repo https://github.com/math-fehr/lucyrs [INFO] tweaked toml for git repo https://github.com/math-fehr/lucyrs written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/math-fehr/lucyrs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a321616218118835f51a28e14c3d17be648e9a75720e1187367e80695ed61e8e [INFO] running `"docker" "start" "-a" "a321616218118835f51a28e14c3d17be648e9a75720e1187367e80695ed61e8e"` [INFO] [stderr] warning: unused manifest key: build [INFO] [stderr] Compiling proc-macro2 v0.4.23 [INFO] [stderr] Compiling byte-tools v0.3.0 [INFO] [stderr] Compiling ucd-util v0.1.2 [INFO] [stderr] Compiling byteorder v1.2.7 [INFO] [stderr] Compiling opaque-debug v0.2.1 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling lalrpop-util v0.16.1 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling ena v0.10.1 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling block-padding v0.1.2 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling regex-syntax v0.6.3 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling generic-array v0.12.0 [INFO] [stderr] Compiling block-buffer v0.7.0 [INFO] [stderr] Compiling digest v0.8.0 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling syn v0.15.20 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Compiling regex v1.0.6 [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/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `lucyrs v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/lucyrs-c15118ff738a2bcf/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `/opt/rustwide/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" }', build.rs:4:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55681aac7a84 - backtrace::backtrace::libunwind::trace::hda902e3a4eb9d449 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55681aac7a84 - backtrace::backtrace::trace_unsynchronized::h06df0062bb63b7e2 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55681aac7a84 - std::sys_common::backtrace::_print_fmt::ha5249daf78f399e8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55681aac7a84 - ::fmt::h68243ef2eafa8843 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55681aaebe5c - core::fmt::write::h8b50d07b82ae3922 [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55681aac4e23 - std::io::Write::write_fmt::h9a5b9a212b705549 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55681aaca0a5 - std::sys_common::backtrace::_print::hcd11fe8eb9e7335d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55681aaca0a5 - std::sys_common::backtrace::print::h475286256f91474c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55681aaca0a5 - std::panicking::default_hook::{{closure}}::h2a45e9d6ef27161b [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55681aac9de2 - std::panicking::default_hook::h76adec688b27abdd [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55681aaca702 - std::panicking::rust_panic_with_hook::h121f4f2c52efbcbf [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x55681aaca2eb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x55681aaea5a1 - core::panicking::panic_fmt::hee64f597d93665b6 [INFO] [stderr] at src/libcore/panicking.rs:111 [INFO] [stderr] 13: 0x55681aaea3c3 - core::option::expect_none_failed::h90fed74f6e49bf90 [INFO] [stderr] at src/libcore/option.rs:1268 [INFO] [stderr] 14: 0x55681a246083 - core::result::Result::unwrap::h86b4a313dadd2b77 [INFO] [stderr] at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x55681a24626f - build_script_build::main::hcd374739ac099bfb [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4 [INFO] [stderr] 16: 0x55681a24613b - std::rt::lang_start::{{closure}}::h5b6ac836dee610b9 [INFO] [stderr] at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x55681aacab48 - std::rt::lang_start_internal::{{closure}}::h15b56bd7f81214ad [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x55681aacab48 - std::panicking::try::do_call::hbe8467da291bc822 [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 19: 0x55681aacab48 - std::panicking::try::hde3b5cbc6989304d [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x55681aacab48 - std::panic::catch_unwind::h56844acb323fdd6c [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x55681aacab48 - std::rt::lang_start_internal::hae379591a9420b87 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x55681a246117 - std::rt::lang_start::h92ec4bc2ae87ccf0 [INFO] [stderr] at /rustc/bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x55681a2462ca - main [INFO] [stderr] 24: 0x7fb51e621b97 - __libc_start_main [INFO] [stderr] 25: 0x55681a245f3a - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "a321616218118835f51a28e14c3d17be648e9a75720e1187367e80695ed61e8e"` [INFO] running `"docker" "rm" "-f" "a321616218118835f51a28e14c3d17be648e9a75720e1187367e80695ed61e8e"` [INFO] [stdout] a321616218118835f51a28e14c3d17be648e9a75720e1187367e80695ed61e8e