[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 try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-0/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b82ca5e647f87819c507301cb8999ee3bf1adf55479724833b5e312739a4df3b [INFO] running `"docker" "start" "-a" "b82ca5e647f87819c507301cb8999ee3bf1adf55479724833b5e312739a4df3b"` [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-5ce2e2d319fc3805/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: 0x55a5549dae3b - backtrace::backtrace::libunwind::trace::h00e2f01ca6755a19 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55a5549dae3b - backtrace::backtrace::trace_unsynchronized::hc2e55f9123c24578 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a5549dae3b - std::sys_common::backtrace::_print::h878d975ca669e1b4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x55a5549dae3b - std::sys_common::backtrace::print::h1b2f6b4885b021f3 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x55a5549dae3b - std::panicking::default_hook::{{closure}}::he9ab19abef5c787f [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 5: 0x55a5549dab3c - std::panicking::default_hook::h9b73316e8577c3fa [INFO] [stderr] at src/libstd/panicking.rs:212 [INFO] [stderr] 6: 0x55a5549db500 - std::panicking::rust_panic_with_hook::he062866264d328c5 [INFO] [stderr] at src/libstd/panicking.rs:475 [INFO] [stderr] 7: 0x55a5549c05a8 - std::panicking::begin_panic::h9b1a265aedfbcd66 [INFO] [stderr] at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/panicking.rs:409 [INFO] [stderr] 8: 0x55a5549c51c8 - build_script_build::main::h15060277c774603c [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-libcore-0.0.3/./build.rs:43 [INFO] [stderr] 9: 0x55a5549c41e0 - std::rt::lang_start::{{closure}}::haf1d45bb3f0093f3 [INFO] [stderr] at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x55a5549daf53 - std::rt::lang_start_internal::{{closure}}::hac4055a4b24c3806 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x55a5549daf53 - std::panicking::try::do_call::h0bdfdef338a7b8de [INFO] [stderr] at src/libstd/panicking.rs:294 [INFO] [stderr] 12: 0x55a5549e1fea - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 13: 0x55a5549dba0d - std::panicking::try::h5986cc11523af350 [INFO] [stderr] at src/libstd/panicking.rs:273 [INFO] [stderr] 14: 0x55a5549dba0d - std::panic::catch_unwind::h5e6e2d11127cecca [INFO] [stderr] at src/libstd/panic.rs:388 [INFO] [stderr] 15: 0x55a5549dba0d - std::rt::lang_start_internal::hd1ad303a81183dc4 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x55a5549c41b9 - std::rt::lang_start::h1a7bc08fb299a4de [INFO] [stderr] at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x55a5549c586a - main [INFO] [stderr] 18: 0x7f427e6762e1 - __libc_start_main [INFO] [stderr] 19: 0x55a5549b864a - _start [INFO] [stderr] 20: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "b82ca5e647f87819c507301cb8999ee3bf1adf55479724833b5e312739a4df3b"` [INFO] running `"docker" "rm" "-f" "b82ca5e647f87819c507301cb8999ee3bf1adf55479724833b5e312739a4df3b"` [INFO] [stdout] b82ca5e647f87819c507301cb8999ee3bf1adf55479724833b5e312739a4df3b