[INFO] cloning repository cbiffle/minimal-embedded-rust [INFO] running `"git" "clone" "--bare" "git://github.com/cbiffle/minimal-embedded-rust.git" "work/cache/sources/gh/cbiffle/minimal-embedded-rust"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/cbiffle/minimal-embedded-rust'... [INFO] running `"git" "clone" "work/cache/sources/gh/cbiffle/minimal-embedded-rust" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/cbiffle/minimal-embedded-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/cbiffle/minimal-embedded-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cbiffle/minimal-embedded-rust" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/cbiffle/minimal-embedded-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cbiffle/minimal-embedded-rust on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking cbiffle/minimal-embedded-rust against master#9f06855064ed06a50c496577b21ca50f92a2e67d for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/master#9f06855064ed06a50c496577b21ca50f92a2e67d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] fd735e473a3154456f4ed58dfc4040965bc3afa0c3dc0ca8c6fe8cfc3aaca5a1 [INFO] running `"docker" "start" "-a" "fd735e473a3154456f4ed58dfc4040965bc3afa0c3dc0ca8c6fe8cfc3aaca5a1"` [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-577e3fbe1e93b243/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: 0x55ee71dfbe3b - backtrace::backtrace::libunwind::trace::hc6a4966d389b62be [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55ee71dfbe3b - backtrace::backtrace::trace_unsynchronized::h234cd6c2c95fa587 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ee71dfbe3b - std::sys_common::backtrace::_print::h2896bece16680b31 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55ee71dfbe3b - std::sys_common::backtrace::print::h5f4d4b954705d426 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55ee71dfbe3b - std::panicking::default_hook::{{closure}}::h3d52949e2d73c1aa [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55ee71dfbb3c - std::panicking::default_hook::h4b88c02cc00064f5 [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55ee71dfc500 - std::panicking::rust_panic_with_hook::he5596ad1952b7279 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55ee71de14a8 - std::panicking::begin_panic::he7cdbd23a96ffc28 [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/panicking.rs:409 [INFO] [stderr] 8: 0x55ee71de61b8 - build_script_build::main::hb98c0d1f7a8e474e [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-libcore-0.0.3/./build.rs:43 [INFO] [stderr] 9: 0x55ee71de51d0 - std::rt::lang_start::{{closure}}::h475c14f63c18a7c3 [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x55ee71dfbf53 - std::rt::lang_start_internal::{{closure}}::h97d240c87982728f [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x55ee71dfbf53 - std::panicking::try::do_call::h657ecdd23710c935 [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 12: 0x55ee71e02fea - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 13: 0x55ee71dfca0d - std::panicking::try::h52772d620cb80373 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 14: 0x55ee71dfca0d - std::panic::catch_unwind::hac02eb84ea8f3a3e [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 15: 0x55ee71dfca0d - std::rt::lang_start_internal::h9fab34d7c96dfdc9 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x55ee71de51a9 - std::rt::lang_start::h7adb0249193db576 [INFO] [stderr] at /rustc/9f06855064ed06a50c496577b21ca50f92a2e67d/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x55ee71de685a - main [INFO] [stderr] 18: 0x7fa5248e72e1 - __libc_start_main [INFO] [stderr] 19: 0x55ee71dd964a - _start [INFO] [stderr] 20: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "fd735e473a3154456f4ed58dfc4040965bc3afa0c3dc0ca8c6fe8cfc3aaca5a1"` [INFO] running `"docker" "rm" "-f" "fd735e473a3154456f4ed58dfc4040965bc3afa0c3dc0ca8c6fe8cfc3aaca5a1"` [INFO] [stdout] fd735e473a3154456f4ed58dfc4040965bc3afa0c3dc0ca8c6fe8cfc3aaca5a1