[INFO] fetching crate nanny 0.0.9... [INFO] checking nanny-0.0.9 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] extracting crate nanny 0.0.9 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate nanny 0.0.9 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate nanny 0.0.9 [INFO] removed path dependency nanny-sys from crates.io crate nanny 0.0.9 [INFO] finished tweaking crates.io crate nanny 0.0.9 [INFO] tweaked toml for crates.io crate nanny 0.0.9 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 802ac97c2492aa6c95d99935b900a2130a14a204d10f976abcf54ed3b71cef3d [INFO] running `"docker" "start" "-a" "802ac97c2492aa6c95d99935b900a2130a14a204d10f976abcf54ed3b71cef3d"` [INFO] [stderr] Compiling nanny-sys v0.0.6 [INFO] [stderr] error: failed to run custom build command for `nanny-sys v0.0.6` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/nanny-sys-bbb694fa6428b9de/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Option::unwrap()` on a `None` value', src/libcore/option.rs:378:21 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x563b065631da - backtrace::backtrace::libunwind::trace::hef9286fd8c27fd45 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x563b065631da - backtrace::backtrace::trace_unsynchronized::h92082381ae588065 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x563b065631da - std::sys_common::backtrace::_print_fmt::h00c64aa4e7e3372c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x563b065631da - ::fmt::hc568c1817d410574 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x563b0658357c - core::fmt::write::he445cb7086c25009 [INFO] [stderr] at src/libcore/fmt/mod.rs:1028 [INFO] [stderr] 5: 0x563b0655f2e7 - std::io::Write::write_fmt::he0bcb31f8a60d79b [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x563b065657ce - std::sys_common::backtrace::_print::h45adb36ea9b21f61 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x563b065657ce - std::sys_common::backtrace::print::h223c050f40432de9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x563b065657ce - std::panicking::default_hook::{{closure}}::hf3487b4e375d5982 [INFO] [stderr] at src/libstd/panicking.rs:189 [INFO] [stderr] 9: 0x563b065654d1 - std::panicking::default_hook::h9d095a3a991b35b0 [INFO] [stderr] at src/libstd/panicking.rs:206 [INFO] [stderr] 10: 0x563b06565e75 - std::panicking::rust_panic_with_hook::h907bb8227c8498d1 [INFO] [stderr] at src/libstd/panicking.rs:469 [INFO] [stderr] 11: 0x563b06565a12 - std::panicking::continue_panic_fmt::h6c8f32a89e529f80 [INFO] [stderr] at src/libstd/panicking.rs:376 [INFO] [stderr] 12: 0x563b06565906 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:303 [INFO] [stderr] 13: 0x563b06580c1a - core::panicking::panic_fmt::h01498e2390db31e9 [INFO] [stderr] at src/libcore/panicking.rs:84 [INFO] [stderr] 14: 0x563b06580b59 - core::panicking::panic::h7f633e2ee830a4d5 [INFO] [stderr] at src/libcore/panicking.rs:49 [INFO] [stderr] 15: 0x563b0650c6ec - core::option::Option::unwrap::hb9e2bc056c1f9075 [INFO] [stderr] at /rustc/2748a9fd93dd1a00a4521f4f16de5befbf77f6cd/src/libcore/macros.rs:12 [INFO] [stderr] 16: 0x563b0650b425 - build_script_build::build_object_file::hd3577054af916715 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanny-sys-0.0.6/build.rs:23 [INFO] [stderr] 17: 0x563b0650b756 - build_script_build::main::ha996a4b313d649e7 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanny-sys-0.0.6/build.rs:41 [INFO] [stderr] 18: 0x563b0650b840 - std::rt::lang_start::{{closure}}::h632c3dadc7744466 [INFO] [stderr] at /rustc/2748a9fd93dd1a00a4521f4f16de5befbf77f6cd/src/libstd/rt.rs:61 [INFO] [stderr] 19: 0x563b065658f3 - std::rt::lang_start_internal::{{closure}}::h87ac7726b4ada2a9 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x563b065658f3 - std::panicking::try::do_call::he4d58a26927f0537 [INFO] [stderr] at src/libstd/panicking.rs:288 [INFO] [stderr] 21: 0x563b0656da6a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 22: 0x563b0656636d - std::panicking::try::hc8ad7011d3baf74d [INFO] [stderr] at src/libstd/panicking.rs:267 [INFO] [stderr] 23: 0x563b0656636d - std::panic::catch_unwind::haaf07c0b1c45cbc8 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 24: 0x563b0656636d - std::rt::lang_start_internal::h53afdaeda14f9890 [INFO] [stderr] at src/libstd/rt.rs:47 [INFO] [stderr] 25: 0x563b0650b819 - std::rt::lang_start::h06ce6ee091b65cf1 [INFO] [stderr] at /rustc/2748a9fd93dd1a00a4521f4f16de5befbf77f6cd/src/libstd/rt.rs:61 [INFO] [stderr] 26: 0x563b0650b78a - main [INFO] [stderr] 27: 0x7fe4b3caeb97 - __libc_start_main [INFO] [stderr] 28: 0x563b0650afaa - _start [INFO] [stderr] 29: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "802ac97c2492aa6c95d99935b900a2130a14a204d10f976abcf54ed3b71cef3d"` [INFO] running `"docker" "rm" "-f" "802ac97c2492aa6c95d99935b900a2130a14a204d10f976abcf54ed3b71cef3d"` [INFO] [stdout] 802ac97c2492aa6c95d99935b900a2130a14a204d10f976abcf54ed3b71cef3d