[INFO] cloning repository https://github.com/oconnor0/roc-lang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oconnor0/roc-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foconnor0%2Froc-lang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foconnor0%2Froc-lang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 661e7bcae292f10f4dab02a9e05fcb898ee3c434 [INFO] checking oconnor0/roc-lang against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foconnor0%2Froc-lang" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/oconnor0/roc-lang on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/oconnor0/roc-lang [INFO] finished tweaking git repo https://github.com/oconnor0/roc-lang [INFO] tweaked toml for git repo https://github.com/oconnor0/roc-lang written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/oconnor0/roc-lang already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded diff v0.1.10 [INFO] [stderr] Downloaded ordermap v0.2.10 [INFO] [stderr] Downloaded fixedbitset v0.1.6 [INFO] [stderr] Downloaded petgraph v0.4.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 81b5a3db50fdbb610c83f117523ca9b6d5d28f708cd4f1552077ddd734eb07c1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "81b5a3db50fdbb610c83f117523ca9b6d5d28f708cd4f1552077ddd734eb07c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "81b5a3db50fdbb610c83f117523ca9b6d5d28f708cd4f1552077ddd734eb07c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "81b5a3db50fdbb610c83f117523ca9b6d5d28f708cd4f1552077ddd734eb07c1", kill_on_drop: false }` [INFO] [stdout] 81b5a3db50fdbb610c83f117523ca9b6d5d28f708cd4f1552077ddd734eb07c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 15fdc2f571265f9a02ae2f41acb23a36fb1275e64be2b2cc169e896f5dabf617 [INFO] running `Command { std: "docker" "start" "-a" "15fdc2f571265f9a02ae2f41acb23a36fb1275e64be2b2cc169e896f5dabf617", kill_on_drop: false }` [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling utf8-ranges v1.0.0 [INFO] [stderr] Compiling ordermap v0.2.10 [INFO] [stderr] Compiling bit-vec v0.4.4 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling fixedbitset v0.1.6 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking regex-syntax v0.4.1 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling atty v0.1.2 [INFO] [stderr] Compiling itertools v0.5.10 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling bit-set v0.4.0 [INFO] [stderr] Compiling petgraph v0.4.5 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling docopt v0.7.0 [INFO] [stderr] Compiling lalrpop-snap v0.13.1 [INFO] [stderr] Compiling lalrpop v0.13.1 [INFO] [stderr] error: failed to run custom build command for `lalrpop v0.13.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/lalrpop-6bd2430c34296c0b/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.13.1/src/parser/lrgrammar.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" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.13.1/build.rs:4:34 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55f9ff3c5980 - std::backtrace_rs::backtrace::libunwind::trace::hfe3b1cace85e87d8 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55f9ff3c5980 - std::backtrace_rs::backtrace::trace_unsynchronized::h542330af06479043 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55f9ff3c5980 - std::sys_common::backtrace::_print_fmt::h6b88726367858985 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55f9ff3c5980 - ::fmt::hcd76ce6b485adbea [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55f9ff3e1e8f - core::fmt::write::h127419eb46f2ecc9 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/fmt/mod.rs:1092:17 [INFO] [stderr] 5: 0x55f9ff3c31f2 - std::io::Write::write_fmt::h0facb64ef2e7f5d8 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/io/mod.rs:1567:15 [INFO] [stderr] 6: 0x55f9ff3c7805 - std::sys_common::backtrace::_print::h7bf1633ea5421f7b [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55f9ff3c7805 - std::sys_common::backtrace::print::h5cc4d09049928ba5 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55f9ff3c7805 - std::panicking::default_hook::{{closure}}::h9e84dc005bfc9fc7 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55f9ff3c72b3 - std::panicking::default_hook::h123278a03b1f796b [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55f9ff3c7e0d - std::panicking::rust_panic_with_hook::h4040631aa6c7bc27 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55f9ff3c79a7 - std::panicking::begin_panic_handler::{{closure}}::h02a17b22ac092d08 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55f9ff3c5e3c - std::sys_common::backtrace::__rust_end_short_backtrace::h6063b024443b5852 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55f9ff3c7909 - rust_begin_unwind [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55f9fec662e1 - core::panicking::panic_fmt::h5322a082d19786c3 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55f9fec661d3 - core::option::expect_none_failed::h354eaa93a51d71b8 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/option.rs:1329:5 [INFO] [stderr] 16: 0x55f9fec66f00 - core::result::Result::unwrap::hb35ce729772c02ad [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55f9fec6707a - build_script_build::main::h098f7a0ecbd06220 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.13.1/build.rs:4:5 [INFO] [stderr] 18: 0x55f9fec66f7b - core::ops::function::FnOnce::call_once::h8748b03e98c53625 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55f9fec66a7e - std::sys_common::backtrace::__rust_begin_short_backtrace::h0681862e4ab4f306 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55f9fec66b91 - std::rt::lang_start::{{closure}}::h10d50104e9a154fc [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55f9ff3c820a - core::ops::function::impls:: for &F>::call_once::h3695a3fbbe44c001 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55f9ff3c820a - std::panicking::try::do_call::he9f4b5f706c7e58d [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55f9ff3c820a - std::panicking::try::h789d448ccf87fe6d [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55f9ff3c820a - std::panic::catch_unwind::h7a6b31f16004913a [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x55f9ff3c820a - std::rt::lang_start_internal::h80897b41b254b288 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55f9fec66b70 - std::rt::lang_start::h1f9229d807b135d3 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55f9fec6709c - main [INFO] [stderr] 28: 0x7f46ceb820b3 - __libc_start_main [INFO] [stderr] 29: 0x55f9fec669ae - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "15fdc2f571265f9a02ae2f41acb23a36fb1275e64be2b2cc169e896f5dabf617", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15fdc2f571265f9a02ae2f41acb23a36fb1275e64be2b2cc169e896f5dabf617", kill_on_drop: false }` [INFO] [stdout] 15fdc2f571265f9a02ae2f41acb23a36fb1275e64be2b2cc169e896f5dabf617