[INFO] fetching crate ubpf 0.1.0... [INFO] checking ubpf-0.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] extracting crate ubpf 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate ubpf 0.1.0 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 ubpf 0.1.0 [INFO] finished tweaking crates.io crate ubpf 0.1.0 [INFO] tweaked toml for crates.io crate ubpf 0.1.0 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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded likely v0.1.0 [INFO] [stderr] Downloaded ubpf-sys v0.1.1 [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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3939e4f5a9cef82c56e096ae83fd6a5810b8fb1d8f34b982ea0150711e73a875 [INFO] running `Command { std: "docker" "start" "-a" "3939e4f5a9cef82c56e096ae83fd6a5810b8fb1d8f34b982ea0150711e73a875", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3939e4f5a9cef82c56e096ae83fd6a5810b8fb1d8f34b982ea0150711e73a875", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3939e4f5a9cef82c56e096ae83fd6a5810b8fb1d8f34b982ea0150711e73a875", kill_on_drop: false }` [INFO] [stdout] 3939e4f5a9cef82c56e096ae83fd6a5810b8fb1d8f34b982ea0150711e73a875 [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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 36873a6bd90b0a81170204ef1533da092be465f942e6ca30a8e404aeb7b6aff5 [INFO] running `Command { std: "docker" "start" "-a" "36873a6bd90b0a81170204ef1533da092be465f942e6ca30a8e404aeb7b6aff5", kill_on_drop: false }` [INFO] [stderr] Compiling ubpf-sys v0.1.1 [INFO] [stderr] Checking likely v0.1.0 [INFO] [stderr] error: failed to run custom build command for `ubpf-sys v0.1.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/ubpf-sys-df13c5ef14952444/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Please specify CROSS_COMPILE=x86_64-linux-musl- cargo build --target=x86_64-unknown-linux-musl as the 'cc' crate incorrectly looks for musl-gcc', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ubpf-sys-0.1.1/src/build.rs:20:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55b394a9e765 - 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: 0x55b394a9e765 - 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: 0x55b394a9e765 - std::sys_common::backtrace::_print_fmt::hb93b171b1042fa52 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55b394a9e765 - ::fmt::h589f1bf1cf74dd71 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55b394ac041c - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x55b394a9bf72 - std::io::Write::write_fmt::hbbad3ca30e02a58a [INFO] [stderr] at library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x55b394aa0ba0 - std::sys_common::backtrace::_print::h96b2d71887f0b186 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55b394aa0ba0 - std::sys_common::backtrace::print::h6cd6e92e674a16a4 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55b394aa0ba0 - std::panicking::default_hook::{{closure}}::h76820e280a7c9f14 [INFO] [stderr] at library/std/src/panicking.rs:198 [INFO] [stderr] 9: 0x55b394aa08ec - std::panicking::default_hook::h3c589b4200c4e9d0 [INFO] [stderr] at library/std/src/panicking.rs:217 [INFO] [stderr] 10: 0x55b394aa11e3 - std::panicking::rust_panic_with_hook::h99205632f2cac760 [INFO] [stderr] at library/std/src/panicking.rs:526 [INFO] [stderr] 11: 0x55b394a8dd25 - std::panicking::begin_panic::h073a585cb9963a21 [INFO] [stderr] at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/panicking.rs:456 [INFO] [stderr] 12: 0x55b394a8ff48 - build_script_build::tool::h6f7ca9ab9041da19 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ubpf-sys-0.1.1/src/build.rs:20 [INFO] [stderr] 13: 0x55b394a8fd77 - build_script_build::main::h215ef8ab2062015c [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ubpf-sys-0.1.1/src/build.rs:13 [INFO] [stderr] 14: 0x55b394a8d84b - std::rt::lang_start::{{closure}}::h2907112f1e07db86 [INFO] [stderr] at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67 [INFO] [stderr] 15: 0x55b394aa15b3 - std::rt::lang_start_internal::{{closure}}::hb14aa68a79b4eb09 [INFO] [stderr] at library/std/src/rt.rs:52 [INFO] [stderr] 16: 0x55b394aa15b3 - std::panicking::try::do_call::haffb1227d43d77f1 [INFO] [stderr] at library/std/src/panicking.rs:348 [INFO] [stderr] 17: 0x55b394aa15b3 - std::panicking::try::hc085bbb3f48e6fb0 [INFO] [stderr] at library/std/src/panicking.rs:325 [INFO] [stderr] 18: 0x55b394aa15b3 - std::panic::catch_unwind::h0d91c438fed06f5e [INFO] [stderr] at library/std/src/panic.rs:394 [INFO] [stderr] 19: 0x55b394aa15b3 - std::rt::lang_start_internal::h9a2f79aa5e187e95 [INFO] [stderr] at library/std/src/rt.rs:51 [INFO] [stderr] 20: 0x55b394a8d827 - std::rt::lang_start::hfe2a53b0dedd1c5f [INFO] [stderr] at /rustc/d990716b6a1fdde1300748828a9c9e79dfd0b898/library/std/src/rt.rs:67 [INFO] [stderr] 21: 0x55b394a909fa - main [INFO] [stderr] 22: 0x7f13343cb0b3 - __libc_start_main [INFO] [stderr] 23: 0x55b394a8917e - _start [INFO] [stderr] 24: 0x0 - [INFO] running `Command { std: "docker" "inspect" "36873a6bd90b0a81170204ef1533da092be465f942e6ca30a8e404aeb7b6aff5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36873a6bd90b0a81170204ef1533da092be465f942e6ca30a8e404aeb7b6aff5", kill_on_drop: false }` [INFO] [stdout] 36873a6bd90b0a81170204ef1533da092be465f942e6ca30a8e404aeb7b6aff5