[INFO] fetching crate rust-libcore 0.0.3... [INFO] checking rust-libcore-0.0.3 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] extracting crate rust-libcore 0.0.3 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate rust-libcore 0.0.3 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6330bc3cff738cb5f2096c83409dfcd613e50fc3e389cbe450075bbd0cf925ad [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" "6330bc3cff738cb5f2096c83409dfcd613e50fc3e389cbe450075bbd0cf925ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6330bc3cff738cb5f2096c83409dfcd613e50fc3e389cbe450075bbd0cf925ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6330bc3cff738cb5f2096c83409dfcd613e50fc3e389cbe450075bbd0cf925ad", kill_on_drop: false }` [INFO] [stdout] 6330bc3cff738cb5f2096c83409dfcd613e50fc3e389cbe450075bbd0cf925ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4048ab9f3f580779b6bfd4808962817fd850ed9bdafce264f5d5b2740dfbac87 [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" "4048ab9f3f580779b6bfd4808962817fd850ed9bdafce264f5d5b2740dfbac87", 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: 0x56017d086ea5 - backtrace::backtrace::libunwind::trace::hdc42e81315d2a69f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x56017d086ea5 - backtrace::backtrace::trace_unsynchronized::hc9edcf4d4fb0b42d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56017d086ea5 - std::sys_common::backtrace::_print_fmt::hb93b171b1042fa52 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x56017d086ea5 - ::fmt::h589f1bf1cf74dd71 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x56017d0a9a4c - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x56017d084092 - std::io::Write::write_fmt::hbbad3ca30e02a58a [INFO] [stderr] at library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x56017d089880 - std::sys_common::backtrace::_print::h96b2d71887f0b186 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x56017d089880 - std::sys_common::backtrace::print::h6cd6e92e674a16a4 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x56017d089880 - std::panicking::default_hook::{{closure}}::h76820e280a7c9f14 [INFO] [stderr] at library/std/src/panicking.rs:198 [INFO] [stderr] 9: 0x56017d0895cc - std::panicking::default_hook::h3c589b4200c4e9d0 [INFO] [stderr] at library/std/src/panicking.rs:217 [INFO] [stderr] 10: 0x56017d089ec3 - std::panicking::rust_panic_with_hook::h99205632f2cac760 [INFO] [stderr] at library/std/src/panicking.rs:526 [INFO] [stderr] 11: 0x56017d07a542 - std::panicking::begin_panic::hf707f7e9753dae87 [INFO] [stderr] at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/panicking.rs:456 [INFO] [stderr] 12: 0x56017d0728f3 - build_script_build::main::he05271124b6f32ac [INFO] [stderr] at /opt/rustwide/workdir/build.rs:43 [INFO] [stderr] 13: 0x56017d07858b - std::rt::lang_start::{{closure}}::h48ddfab90f318317 [INFO] [stderr] at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67 [INFO] [stderr] 14: 0x56017d08a293 - std::rt::lang_start_internal::{{closure}}::hb14aa68a79b4eb09 [INFO] [stderr] at library/std/src/rt.rs:52 [INFO] [stderr] 15: 0x56017d08a293 - std::panicking::try::do_call::haffb1227d43d77f1 [INFO] [stderr] at library/std/src/panicking.rs:348 [INFO] [stderr] 16: 0x56017d08a293 - std::panicking::try::hc085bbb3f48e6fb0 [INFO] [stderr] at library/std/src/panicking.rs:325 [INFO] [stderr] 17: 0x56017d08a293 - std::panic::catch_unwind::h0d91c438fed06f5e [INFO] [stderr] at library/std/src/panic.rs:394 [INFO] [stderr] 18: 0x56017d08a293 - std::rt::lang_start_internal::h9a2f79aa5e187e95 [INFO] [stderr] at library/std/src/rt.rs:51 [INFO] [stderr] 19: 0x56017d078567 - std::rt::lang_start::h5408a19b65a9df3c [INFO] [stderr] at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67 [INFO] [stderr] 20: 0x56017d072eda - main [INFO] [stderr] 21: 0x7fb6290330b3 - __libc_start_main [INFO] [stderr] 22: 0x56017d06f19e - _start [INFO] [stderr] 23: 0x0 - [INFO] running `Command { std: "docker" "inspect" "4048ab9f3f580779b6bfd4808962817fd850ed9bdafce264f5d5b2740dfbac87", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4048ab9f3f580779b6bfd4808962817fd850ed9bdafce264f5d5b2740dfbac87", kill_on_drop: false }` [INFO] [stdout] 4048ab9f3f580779b6bfd4808962817fd850ed9bdafce264f5d5b2740dfbac87