[INFO] crate rust-libcore 0.0.3 is already in cache [INFO] testing rust-libcore-0.0.3 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate rust-libcore 0.0.3 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate rust-libcore 0.0.3 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate rust-libcore 0.0.3 [INFO] finished tweaking crates.io crate rust-libcore 0.0.3 [INFO] tweaked toml for crates.io crate rust-libcore 0.0.3 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7374a905a58a7e9296965b7b34e8a1eb189c4b22d6cef2eeb1ca53eca1f11e76 [INFO] running `"docker" "start" "-a" "7374a905a58a7e9296965b7b34e8a1eb189c4b22d6cef2eeb1ca53eca1f11e76"` [INFO] [stderr] Compiling rust-libcore v0.0.3 (/opt/rustwide/workdir) [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stderr] --> build.rs:27:7 [INFO] [stderr] | [INFO] [stderr] 27 | }.trim_left_matches("("); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] error: failed to run custom build command for `rust-libcore v0.0.3 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rust-libcore-663ebe9360d9f85b/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Box', build.rs:43:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55f4729b2f34 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55f4729b2f34 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f4729b2f34 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55f4729b2f34 - ::fmt::h4d51ef07ce58e54b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55f4729d708c - core::fmt::write::he16b9c1345d8565e [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55f4729b0343 - std::io::Write::write_fmt::h35d873b9ce1f02a8 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55f4729b5ae5 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55f4729b5ae5 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55f4729b5ae5 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55f4729b5822 - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55f4729b60f2 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x55f47299ee0c - std::panicking::begin_panic::hef8b817db7c25a24 [INFO] [stderr] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x55f4729a0363 - build_script_build::main::h478ecaa79ed0cbf7 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:43 [INFO] [stderr] 13: 0x55f4729a838b - std::rt::lang_start::{{closure}}::hd6d92a2625359d5a [INFO] [stderr] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/rt.rs:67 [INFO] [stderr] 14: 0x55f4729b6538 - std::rt::lang_start_internal::{{closure}}::h985f9ad0467016f1 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 15: 0x55f4729b6538 - std::panicking::try::do_call::hbcbbc645883681bb [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 16: 0x55f4729b6538 - std::panicking::try::h250f86dc8ee6d054 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 17: 0x55f4729b6538 - std::panic::catch_unwind::h58d26ced09bde6c3 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x55f4729b6538 - std::rt::lang_start_internal::h7de51dd9f16af454 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 19: 0x55f4729a8367 - std::rt::lang_start::hafcb14d3eb0f3e80 [INFO] [stderr] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x55f4729a094a - main [INFO] [stderr] 21: 0x7fd3b1d45b97 - __libc_start_main [INFO] [stderr] 22: 0x55f47299b60a - _start [INFO] [stderr] 23: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "7374a905a58a7e9296965b7b34e8a1eb189c4b22d6cef2eeb1ca53eca1f11e76"` [INFO] running `"docker" "rm" "-f" "7374a905a58a7e9296965b7b34e8a1eb189c4b22d6cef2eeb1ca53eca1f11e76"` [INFO] [stdout] 7374a905a58a7e9296965b7b34e8a1eb189c4b22d6cef2eeb1ca53eca1f11e76