[INFO] fetching crate rust-libcore 0.0.3... [INFO] testing rust-libcore-0.0.3 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] extracting crate rust-libcore 0.0.3 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate rust-libcore 0.0.3 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8a6d7a5689533df69d421e0785f71d277fbf5ac21054e6a830a1eb56b239f109 [INFO] running `Command { std: "docker" "start" "-a" "8a6d7a5689533df69d421e0785f71d277fbf5ac21054e6a830a1eb56b239f109", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8a6d7a5689533df69d421e0785f71d277fbf5ac21054e6a830a1eb56b239f109", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a6d7a5689533df69d421e0785f71d277fbf5ac21054e6a830a1eb56b239f109", kill_on_drop: false }` [INFO] [stdout] 8a6d7a5689533df69d421e0785f71d277fbf5ac21054e6a830a1eb56b239f109 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4b9792f5c1aff70075da57434e707b5c75eef49164cbd3450653a5c06cbad9c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d4b9792f5c1aff70075da57434e707b5c75eef49164cbd3450653a5c06cbad9c", kill_on_drop: false }` [INFO] [stderr] Compiling rust-libcore v0.0.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'core::str::::trim_left_matches': superseded by `trim_start_matches` [INFO] [stdout] --> build.rs:27:7 [INFO] [stdout] | [INFO] [stdout] 27 | }.trim_left_matches("("); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated item: `trim_start_matches` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [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-d76d5511bff3ef52/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: 0x560cc9215cc5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x560cc9215cc5 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x560cc9215cc5 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x560cc9215cc5 - ::fmt::hb4bdb37c3c335733 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x560cc9238d7c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x560cc9212ec2 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stderr] at src/libstd/io/mod.rs:1539 [INFO] [stderr] 6: 0x560cc92186a0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x560cc92186a0 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x560cc92186a0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x560cc92183ec - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x560cc9218ce3 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x560cc9209e72 - std::panicking::begin_panic::h7be6c02b382bb4de [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/panicking.rs:456 [INFO] [stderr] 12: 0x560cc92018f3 - build_script_build::main::he05271124b6f32ac [INFO] [stderr] at /opt/rustwide/workdir/build.rs:43 [INFO] [stderr] 13: 0x560cc92086db - std::rt::lang_start::{{closure}}::h110f40eb2a91f727 [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67 [INFO] [stderr] 14: 0x560cc92190b3 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 15: 0x560cc92190b3 - std::panicking::try::do_call::h45f1f66ee6b987d6 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 16: 0x560cc92190b3 - std::panicking::try::h0924dfb942cef7e3 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 17: 0x560cc92190b3 - std::panic::catch_unwind::h883180846c5b53fa [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 18: 0x560cc92190b3 - std::rt::lang_start_internal::he9284d43a52786c5 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 19: 0x560cc92086b7 - std::rt::lang_start::hbbd881c57c5147aa [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67 [INFO] [stderr] 20: 0x560cc9201eda - main [INFO] [stderr] 21: 0x7f0c042e00b3 - __libc_start_main [INFO] [stderr] 22: 0x560cc91fe19e - _start [INFO] [stderr] 23: 0x0 - [INFO] running `Command { std: "docker" "inspect" "d4b9792f5c1aff70075da57434e707b5c75eef49164cbd3450653a5c06cbad9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4b9792f5c1aff70075da57434e707b5c75eef49164cbd3450653a5c06cbad9c", kill_on_drop: false }` [INFO] [stdout] d4b9792f5c1aff70075da57434e707b5c75eef49164cbd3450653a5c06cbad9c