[INFO] cloning repository felix-d/extending-ruby-with-rust-benchmarks [INFO] running `"git" "clone" "--bare" "git://github.com/felix-d/extending-ruby-with-rust-benchmarks.git" "work/cache/sources/gh/felix-d/extending-ruby-with-rust-benchmarks"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/felix-d/extending-ruby-with-rust-benchmarks'... [INFO] running `"git" "clone" "work/cache/sources/gh/felix-d/extending-ruby-with-rust-benchmarks" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/felix-d/extending-ruby-with-rust-benchmarks"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/felix-d/extending-ruby-with-rust-benchmarks'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/felix-d/extending-ruby-with-rust-benchmarks" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/felix-d/extending-ruby-with-rust-benchmarks"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/felix-d/extending-ruby-with-rust-benchmarks'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 21599a8a59e10eee2b08ff4439e98f996d7b4417 [INFO] sha for GitHub repo felix-d/extending-ruby-with-rust-benchmarks: 21599a8a59e10eee2b08ff4439e98f996d7b4417 [INFO] validating manifest of felix-d/extending-ruby-with-rust-benchmarks on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of felix-d/extending-ruby-with-rust-benchmarks on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing felix-d/extending-ruby-with-rust-benchmarks [INFO] finished frobbing felix-d/extending-ruby-with-rust-benchmarks [INFO] frobbed toml for felix-d/extending-ruby-with-rust-benchmarks written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/felix-d/extending-ruby-with-rust-benchmarks/Cargo.toml [INFO] started frobbing felix-d/extending-ruby-with-rust-benchmarks [INFO] finished frobbing felix-d/extending-ruby-with-rust-benchmarks [INFO] frobbed toml for felix-d/extending-ruby-with-rust-benchmarks written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/felix-d/extending-ruby-with-rust-benchmarks/Cargo.toml [INFO] crate felix-d/extending-ruby-with-rust-benchmarks already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rutie v0.5.3 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing felix-d/extending-ruby-with-rust-benchmarks against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/felix-d/extending-ruby-with-rust-benchmarks:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"` [INFO] [stdout] d62366a31747f3033ef979e46cfd09e115db1fc332ee0d8b8bb4aa5da1f6f06c [INFO] running `"docker" "start" "-a" "d62366a31747f3033ef979e46cfd09e115db1fc332ee0d8b8bb4aa5da1f6f06c"` [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The lib target `ffi_benchmarks` in package `ffi_benchmarks v0.1.0 (/opt/crater/workdir)` has the same output filename as the lib target `ffi_benchmarks` in package `ffi_benchmarks v0.1.0 (/opt/crater/workdir)`. [INFO] [stderr] Colliding filename is: /opt/crater/target/debug/deps/libffi_benchmarks.so [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The lib target `ffi_benchmarks` in package `ffi_benchmarks v0.1.0 (/opt/crater/workdir)` has the same output filename as the lib target `ffi_benchmarks` in package `ffi_benchmarks v0.1.0 (/opt/crater/workdir)`. [INFO] [stderr] Colliding filename is: /opt/crater/target/debug/libffi_benchmarks.so [INFO] [stderr] The targets should have unique names. [INFO] [stderr] Consider changing their names to be unique or compiling them separately. [INFO] [stderr] This may become a hard error in the future; see . [INFO] [stderr] Compiling libcruby-sys v0.7.5 [INFO] [stderr] Compiling rutie v0.5.3 [INFO] [stderr] Compiling cstr-macro v0.1.0 [INFO] [stderr] Compiling helix v0.7.5 [INFO] [stderr] error: failed to run custom build command for `rutie v0.5.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rutie-fbf67e353a72acfc/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rustc-link-search=/usr/lib [INFO] [stderr] cargo:rustc-link-lib=ruby-2.3 [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'create_dir_all fail: ()', src/libcore/result.rs:999:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5609f05c58cb - backtrace::backtrace::libunwind::trace::h98ebe34dc63b52e3 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5609f05c58cb - backtrace::backtrace::trace_unsynchronized::hd041341a38fdc1ca [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5609f05c58cb - std::sys_common::backtrace::_print::hc8c584aa09df5c15 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5609f05c58cb - std::sys_common::backtrace::print::h4828f56ae571c1ad [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5609f05c58cb - std::panicking::default_hook::{{closure}}::h69fce690c9f4b3d3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x5609f05c55cc - std::panicking::default_hook::h231e0e11400caad4 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x5609f05c5f90 - std::panicking::rust_panic_with_hook::h8c0d039880f491f2 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x5609f05c5b12 - std::panicking::continue_panic_fmt::hd71af4da4e8103ab [INFO] [stderr] at src/libstd/panicking.rs:382 [INFO] [stderr] 8: 0x5609f05c59f6 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:309 [INFO] [stderr] 9: 0x5609f05dfc2d - core::panicking::panic_fmt::h5b6e1f42b8cc12be [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x5609f05b3175 - core::result::unwrap_failed::h524d1fc41ac5f11e [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/macros.rs:18 [INFO] [stderr] 11: 0x5609f05b50cf - core::result::Result::expect::h5debea9f4d5aec56 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libcore/result.rs:827 [INFO] [stderr] 12: 0x5609f05a5d4c - build_script_build::ruby_lib_link_name::h7d03357d7544bd2b [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.3/build.rs:176 [INFO] [stderr] 13: 0x5609f05a62f5 - build_script_build::dynamic_linker_args::h5cbd4cedda515f35 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.3/build.rs:205 [INFO] [stderr] 14: 0x5609f05a5917 - build_script_build::use_dylib::h6ef0538729892654 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.3/build.rs:94 [INFO] [stderr] 15: 0x5609f05a83fc - build_script_build::main::h3c5468ed47567b9a [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rutie-0.5.3/build.rs:356 [INFO] [stderr] 16: 0x5609f05ae370 - std::rt::lang_start::{{closure}}::h9e1758d6d7ae7869 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x5609f05c59e3 - std::rt::lang_start_internal::{{closure}}::ha7c0c29bf9d4b1ec [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 18: 0x5609f05c59e3 - std::panicking::try::do_call::h6e54176261da06d4 [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 19: 0x5609f05cc83a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:85 [INFO] [stderr] 20: 0x5609f05c649d - std::panicking::try::h108b9053abb3bfc3 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 21: 0x5609f05c649d - std::panic::catch_unwind::h26d0733c47c2fe78 [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 22: 0x5609f05c649d - std::rt::lang_start_internal::hfa103a00f84c98f5 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 23: 0x5609f05ae349 - std::rt::lang_start::h859329904e100744 [INFO] [stderr] at /rustc/e212b7d492c96d3837691ba29d32d5f468933fb8/src/libstd/rt.rs:64 [INFO] [stderr] 24: 0x5609f05a862a - main [INFO] [stderr] 25: 0x7f76856ca2e1 - __libc_start_main [INFO] [stderr] 26: 0x5609f058621a - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "d62366a31747f3033ef979e46cfd09e115db1fc332ee0d8b8bb4aa5da1f6f06c"` [INFO] running `"docker" "rm" "-f" "d62366a31747f3033ef979e46cfd09e115db1fc332ee0d8b8bb4aa5da1f6f06c"` [INFO] [stdout] d62366a31747f3033ef979e46cfd09e115db1fc332ee0d8b8bb4aa5da1f6f06c