[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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cbiffle/minimal-embedded-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cbiffle/minimal-embedded-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cbiffle/minimal-embedded-rust" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cbiffle/minimal-embedded-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cbiffle/minimal-embedded-rust on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking cbiffle/minimal-embedded-rust against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] e0aeb0ff324a008fb7efc553a35b97e7fcadd1601d090c8409d9162a9485ae69 [INFO] running `"docker" "start" "-a" "e0aeb0ff324a008fb7efc553a35b97e7fcadd1601d090c8409d9162a9485ae69"` [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-ef6c9c77aa9b35fd/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: 0x564ca203153b - backtrace::backtrace::libunwind::trace::h88d9499c2d7e1dbc [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x564ca203153b - backtrace::backtrace::trace_unsynchronized::h64df3798ffaf338f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x564ca203153b - std::sys_common::backtrace::_print::h549f3692f8d3f393 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x564ca203153b - std::sys_common::backtrace::print::h037f1d7e6e0e94de [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x564ca203153b - std::panicking::default_hook::{{closure}}::h88a39cbd1a8489c9 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x564ca2031216 - std::panicking::default_hook::hdb7c9c6632585072 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x564ca2031bfd - std::panicking::rust_panic_with_hook::h906f2b0ace338868 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x564ca2017ff5 - std::panicking::begin_panic::he05ea31ff520099c [INFO] [stderr] at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x564ca2021c23 - build_script_build::main::h792913f0e49ee70c [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust-libcore-0.0.3/./build.rs:43 [INFO] [stderr] 9: 0x564ca2021230 - std::rt::lang_start::{{closure}}::h22c56bf7cbd999ce [INFO] [stderr] at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x564ca2031653 - std::rt::lang_start_internal::{{closure}}::h9ea1b9f2bce8ffef [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x564ca2031653 - std::panicking::try::do_call::hfbd18154d6e81e0d [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 12: 0x564ca20385da - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 13: 0x564ca203210d - std::panicking::try::h9cb4b237371abf81 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 14: 0x564ca203210d - std::panic::catch_unwind::hd403853a39b4e3c9 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 15: 0x564ca203210d - std::rt::lang_start_internal::h7e5e162b169a1510 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x564ca2021209 - std::rt::lang_start::h19f2edb443720e75 [INFO] [stderr] at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x564ca20222ba - main [INFO] [stderr] 18: 0x7f2e4882b2e1 - __libc_start_main [INFO] [stderr] 19: 0x564ca200d9ea - _start [INFO] [stderr] 20: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "e0aeb0ff324a008fb7efc553a35b97e7fcadd1601d090c8409d9162a9485ae69"` [INFO] running `"docker" "rm" "-f" "e0aeb0ff324a008fb7efc553a35b97e7fcadd1601d090c8409d9162a9485ae69"` [INFO] [stdout] e0aeb0ff324a008fb7efc553a35b97e7fcadd1601d090c8409d9162a9485ae69