[INFO] updating cached repository cbiffle/minimal-embedded-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cbiffle/minimal-embedded-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cbiffle/minimal-embedded-rust" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cbiffle/minimal-embedded-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cbiffle/minimal-embedded-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cbiffle/minimal-embedded-rust" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/cbiffle/minimal-embedded-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/cbiffle/minimal-embedded-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 61b70c9be2a42aeeee72b55a851bdd179e6e9539 [INFO] sha for GitHub repo cbiffle/minimal-embedded-rust: 61b70c9be2a42aeeee72b55a851bdd179e6e9539 [INFO] validating manifest of cbiffle/minimal-embedded-rust on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cbiffle/minimal-embedded-rust on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing cbiffle/minimal-embedded-rust [INFO] finished frobbing cbiffle/minimal-embedded-rust [INFO] frobbed toml for cbiffle/minimal-embedded-rust written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cbiffle/minimal-embedded-rust/Cargo.toml [INFO] started frobbing cbiffle/minimal-embedded-rust [INFO] finished frobbing cbiffle/minimal-embedded-rust [INFO] frobbed toml for cbiffle/minimal-embedded-rust written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/cbiffle/minimal-embedded-rust/Cargo.toml [INFO] crate cbiffle/minimal-embedded-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking cbiffle/minimal-embedded-rust against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-4/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/cbiffle/minimal-embedded-rust:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 41b9560d6527b49fcaf659d5b9c1a2c4da090d4ae66ae731c63f45a8ccff06fa [INFO] running `"docker" "start" "-a" "41b9560d6527b49fcaf659d5b9c1a2c4da090d4ae66ae731c63f45a8ccff06fa"` [INFO] [stderr] Compiling rust-libcore v0.0.3 [INFO] [stderr] error: failed to run custom build command for `rust-libcore v0.0.3` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/rust-libcore-5d7938f72cee47dc/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Box', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-libcore-0.0.3/./build.rs:43:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5648ab7a300b - backtrace::backtrace::libunwind::trace::h4f04af92f39f2b78 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5648ab7a300b - backtrace::backtrace::trace_unsynchronized::hb28ce8d2b7fb3e31 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5648ab7a300b - std::sys_common::backtrace::_print::he3f49d2d13a51ff1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5648ab7a300b - std::sys_common::backtrace::print::h46c2f3b13519e9bf [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5648ab7a300b - std::panicking::default_hook::{{closure}}::h6694acddafc67583 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5648ab7a2ce7 - std::panicking::default_hook::hb4761d2feeb6d93c [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5648ab7a36d0 - std::panicking::rust_panic_with_hook::h7a5f9620b0a832bc [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5648ab7890b8 - std::panicking::begin_panic::h685e05c331ccc680 [INFO] [stderr] at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x5648ab792fb6 - build_script_build::main::h16b84fe5e0737e4e [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-libcore-0.0.3/./build.rs:43 [INFO] [stderr] 9: 0x5648ab78be20 - std::rt::lang_start::{{closure}}::hd0c2785c554245eb [INFO] [stderr] at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x5648ab7a3123 - std::rt::lang_start_internal::{{closure}}::h32e298b4b9152770 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x5648ab7a3123 - std::panicking::try::do_call::hc8de7cda8a6a61da [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 12: 0x5648ab7aa08a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 13: 0x5648ab7a3bdd - std::panicking::try::h2d3ab36572ae54da [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 14: 0x5648ab7a3bdd - std::panic::catch_unwind::h4b587439b0094333 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 15: 0x5648ab7a3bdd - std::rt::lang_start_internal::h0772ca1bc29dd619 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x5648ab78bdf9 - std::rt::lang_start::h69446012fe9bbb6c [INFO] [stderr] at /rustc/78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x5648ab79364a - main [INFO] [stderr] 18: 0x7feb34ba42e1 - __libc_start_main [INFO] [stderr] 19: 0x5648ab78064a - _start [INFO] [stderr] 20: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "41b9560d6527b49fcaf659d5b9c1a2c4da090d4ae66ae731c63f45a8ccff06fa"` [INFO] running `"docker" "rm" "-f" "41b9560d6527b49fcaf659d5b9c1a2c4da090d4ae66ae731c63f45a8ccff06fa"` [INFO] [stdout] 41b9560d6527b49fcaf659d5b9c1a2c4da090d4ae66ae731c63f45a8ccff06fa