[INFO] crate ruster_unsafe 0.4.0 is already in cache [INFO] testing ruster_unsafe-0.4.0 against beta-2020-06-03 for beta-1.45-1 [INFO] extracting crate ruster_unsafe 0.4.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate ruster_unsafe 0.4.0 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate ruster_unsafe 0.4.0 [INFO] finished tweaking crates.io crate ruster_unsafe 0.4.0 [INFO] tweaked toml for crates.io crate ruster_unsafe 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 93bfbacf6ebc374e87f2bcd029802b8f7551a8b02d099d4f2ffa6b557d06da1d [INFO] running `"docker" "start" "-a" "93bfbacf6ebc374e87f2bcd029802b8f7551a8b02d099d4f2ffa6b557d06da1d"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling ruster_unsafe v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `ruster_unsafe v0.4.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/ruster_unsafe-54d9daa30a1f919c/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: "Failed to start gen_api.erl. Is \'escript\' available in the path?"', build.rs:24:11 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x559f2e308185 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x559f2e308185 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x559f2e308185 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x559f2e308185 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x559f2e32984c - core::fmt::write::h935cb0ed4078a853 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x559f2e306833 - std::io::Write::write_fmt::hc912aacf8d691eb3 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x559f2e30a690 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x559f2e30a690 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x559f2e30a690 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x559f2e30a3dc - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x559f2e30ac77 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x559f2e30a87b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:388 [INFO] [stderr] 12: 0x559f2e328c51 - core::panicking::panic_fmt::habd7df443069602c [INFO] [stderr] at src/libcore/panicking.rs:101 [INFO] [stderr] 13: 0x559f2e328a73 - core::option::expect_none_failed::h721078758a086285 [INFO] [stderr] at src/libcore/option.rs:1272 [INFO] [stderr] 14: 0x559f2e2ffbe4 - core::result::Result::unwrap::ha457f80ccd8f7bce [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x559f2e2fd498 - build_script_build::main::h37a14e3a1fc30099 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:24 [INFO] [stderr] 16: 0x559f2e2fcd0b - std::rt::lang_start::{{closure}}::hcc1162615f8be99e [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x559f2e30b048 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x559f2e30b048 - std::panicking::try::do_call::h54d9370b0ac83700 [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 19: 0x559f2e30b048 - std::panicking::try::h85e1c41421d5b6f9 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 20: 0x559f2e30b048 - std::panic::catch_unwind::hfd957e6c9fdcf274 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x559f2e30b048 - std::rt::lang_start_internal::hed9744eef32ef5a1 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x559f2e2fcce7 - std::rt::lang_start::hb4037b463f6f669d [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x559f2e2fd64a - main [INFO] [stderr] 24: 0x7fce270d50b3 - __libc_start_main [INFO] [stderr] 25: 0x559f2e2f417e - _start [INFO] [stderr] 26: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "93bfbacf6ebc374e87f2bcd029802b8f7551a8b02d099d4f2ffa6b557d06da1d"` [INFO] running `"docker" "rm" "-f" "93bfbacf6ebc374e87f2bcd029802b8f7551a8b02d099d4f2ffa6b557d06da1d"` [INFO] [stdout] 93bfbacf6ebc374e87f2bcd029802b8f7551a8b02d099d4f2ffa6b557d06da1d