[INFO] cloning repository https://github.com/Sreyas-Sreelal/writing-compilers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sreyas-Sreelal/writing-compilers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSreyas-Sreelal%2Fwriting-compilers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSreyas-Sreelal%2Fwriting-compilers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 43bcc8b572573e166f3ef49d7b0b6a7fe85eaa77 [INFO] checking Sreyas-Sreelal/writing-compilers/43bcc8b572573e166f3ef49d7b0b6a7fe85eaa77 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSreyas-Sreelal%2Fwriting-compilers" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Sreyas-Sreelal/writing-compilers on toolchain ff1737bb00913444173658b4e0b274fd79aabf66 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Sreyas-Sreelal/writing-compilers [INFO] finished tweaking git repo https://github.com/Sreyas-Sreelal/writing-compilers [INFO] tweaked toml for git repo https://github.com/Sreyas-Sreelal/writing-compilers written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/Sreyas-Sreelal/writing-compilers already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lalrpop-util v0.19.8 [INFO] [stderr] Downloaded pico-args v0.4.2 [INFO] [stderr] Downloaded ena v0.14.0 [INFO] [stderr] Downloaded parking_lot_core v0.9.5 [INFO] [stderr] Downloaded petgraph v0.6.2 [INFO] [stderr] Downloaded syn v1.0.105 [INFO] [stderr] Downloaded lalrpop v0.19.8 [INFO] [stderr] Downloaded regex v1.7.0 [INFO] [stderr] Downloaded regex-syntax v0.6.28 [INFO] [stderr] Downloaded libc v0.2.138 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 18fe5fa01d02901e26cabd8fa5591f805d325ba78b4228785ff6ac66bc06a32c [INFO] running `Command { std: "docker" "start" "-a" "18fe5fa01d02901e26cabd8fa5591f805d325ba78b4228785ff6ac66bc06a32c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18fe5fa01d02901e26cabd8fa5591f805d325ba78b4228785ff6ac66bc06a32c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18fe5fa01d02901e26cabd8fa5591f805d325ba78b4228785ff6ac66bc06a32c", kill_on_drop: false }` [INFO] [stdout] 18fe5fa01d02901e26cabd8fa5591f805d325ba78b4228785ff6ac66bc06a32c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f28e89829df1f10b147f499b935e6b36a0410dbbb7f83c37216ae69e601f713f [INFO] running `Command { std: "docker" "start" "-a" "f28e89829df1f10b147f499b935e6b36a0410dbbb7f83c37216ae69e601f713f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling parking_lot_core v0.9.5 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling regex-syntax v0.6.28 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling once_cell v1.16.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling indexmap v1.9.2 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking lalrpop-util v0.19.8 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling aho-corasick v0.7.20 [INFO] [stderr] Compiling petgraph v0.6.2 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling string_cache v0.8.4 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling regex v1.7.0 [INFO] [stderr] Compiling lalrpop v0.19.8 [INFO] [stderr] Compiling lalpoptest v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `lalpoptest v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/lalpoptest-a54558be2feee291/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `./src/parser/grammar.lalrpop` [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at build.rs:5:10: [INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5f24131e4baa - std::backtrace_rs::backtrace::libunwind::trace::h4a182ed5026c4960 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stderr] 1: 0x5f24131e4baa - std::backtrace_rs::backtrace::trace_unsynchronized::hd36eaf0d0af663ac [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5f24131e4baa - std::sys::backtrace::_print_fmt::h5bc686de8bf76aa3 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5f24131e4baa - ::fmt::hd8bd9250b5d34cf2 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5f2413207123 - core::fmt::rt::Argument::fmt::h479db8f948910918 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/fmt/rt.rs:177:76 [INFO] [stderr] 5: 0x5f2413207123 - core::fmt::write::h8ea7001525e04e92 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/fmt/mod.rs:1189:21 [INFO] [stderr] 6: 0x5f24131e18c3 - std::io::Write::write_fmt::h9a3a3a90a20c720b [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/io/mod.rs:1884:15 [INFO] [stderr] 7: 0x5f24131e49f2 - std::sys::backtrace::BacktraceLock::print::h524f4afae71bff25 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 8: 0x5f24131e59bc - std::panicking::default_hook::{{closure}}::hbf0efdb45c0ec2fa [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:268:22 [INFO] [stderr] 9: 0x5f24131e5802 - std::panicking::default_hook::hd8655fd75a36fb4e [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:295:9 [INFO] [stderr] 10: 0x5f24131e5fb7 - std::panicking::rust_panic_with_hook::hfd3e39fd18e5a522 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:801:13 [INFO] [stderr] 11: 0x5f24131e5e4a - std::panicking::begin_panic_handler::{{closure}}::h541106c2fc98c78e [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:674:13 [INFO] [stderr] 12: 0x5f24131e5089 - std::sys::backtrace::__rust_end_short_backtrace::hd41b812be983a407 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/sys/backtrace.rs:170:18 [INFO] [stderr] 13: 0x5f24131e5adc - rust_begin_unwind [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:665:5 [INFO] [stderr] 14: 0x5f2413205750 - core::panicking::panic_fmt::h6d97ef49812eecdc [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/panicking.rs:76:14 [INFO] [stderr] 15: 0x5f2413205bd6 - core::result::unwrap_failed::h15f0d843aaf4c779 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/result.rs:1699:5 [INFO] [stderr] 16: 0x5f2412c55592 - build_script_build::main::hcd4e2458d9016511 [INFO] [stderr] 17: 0x5f2412c552b3 - core::ops::function::FnOnce::call_once::ha4d5d9e7e6ce8f4a [INFO] [stderr] 18: 0x5f2412c55256 - std::sys::backtrace::__rust_begin_short_backtrace::h1bc680f334a162c5 [INFO] [stderr] 19: 0x5f2412c55239 - std::rt::lang_start::{{closure}}::h2e968e0da2e2161a [INFO] [stderr] 20: 0x5f24131dc717 - core::ops::function::impls:: for &F>::call_once::h85d3b6433c6201ad [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 21: 0x5f24131dc717 - std::panicking::try::do_call::h1e58a303c26811b2 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:557:40 [INFO] [stderr] 22: 0x5f24131dc717 - std::panicking::try::hf884ee642c4250a3 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:520:19 [INFO] [stderr] 23: 0x5f24131dc717 - std::panic::catch_unwind::h16d69298af9a3692 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panic.rs:358:14 [INFO] [stderr] 24: 0x5f24131dc717 - std::rt::lang_start_internal::{{closure}}::h5a8a6f94cdf753a6 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/rt.rs:174:48 [INFO] [stderr] 25: 0x5f24131dc717 - std::panicking::try::do_call::hf6ee2fe994f58e18 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:557:40 [INFO] [stderr] 26: 0x5f24131dc717 - std::panicking::try::hc1282bf2eeca2940 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panicking.rs:520:19 [INFO] [stderr] 27: 0x5f24131dc717 - std::panic::catch_unwind::h212572842a792e2c [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/panic.rs:358:14 [INFO] [stderr] 28: 0x5f24131dc717 - std::rt::lang_start_internal::h9681d29d05b11740 [INFO] [stderr] at /rustc/ff1737bb00913444173658b4e0b274fd79aabf66/library/std/src/rt.rs:174:20 [INFO] [stderr] 29: 0x5f2412c55217 - std::rt::lang_start::hcca3f1d1ca160ddc [INFO] [stderr] 30: 0x5f2412c55625 - main [INFO] [stderr] 31: 0x73627f8f6d90 - [INFO] [stderr] 32: 0x73627f8f6e40 - __libc_start_main [INFO] [stderr] 33: 0x5f2412c55125 - _start [INFO] [stderr] 34: 0x0 - [INFO] running `Command { std: "docker" "inspect" "f28e89829df1f10b147f499b935e6b36a0410dbbb7f83c37216ae69e601f713f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f28e89829df1f10b147f499b935e6b36a0410dbbb7f83c37216ae69e601f713f", kill_on_drop: false }` [INFO] [stdout] f28e89829df1f10b147f499b935e6b36a0410dbbb7f83c37216ae69e601f713f