[INFO] crate nanny 0.0.9 is already in cache [INFO] extracting crate nanny 0.0.9 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/nanny/0.0.9 [INFO] extracting crate nanny 0.0.9 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/nanny/0.0.9 [INFO] validating manifest of nanny-0.0.9 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of nanny-0.0.9 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing nanny-0.0.9 [INFO] removed path dependency nanny-sys from nanny-0.0.9 [INFO] finished frobbing nanny-0.0.9 [INFO] frobbed toml for nanny-0.0.9 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/nanny/0.0.9/Cargo.toml [INFO] started frobbing nanny-0.0.9 [INFO] removed path dependency nanny-sys from nanny-0.0.9 [INFO] finished frobbing nanny-0.0.9 [INFO] frobbed toml for nanny-0.0.9 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/nanny/0.0.9/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking nanny-0.0.9 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/nanny/0.0.9:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 0da1d456269d9554e37698e4fc036a8ab90c1ee511b6458afccb478a9c9d419f [INFO] running `"docker" "start" "-a" "0da1d456269d9554e37698e4fc036a8ab90c1ee511b6458afccb478a9c9d419f"` [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/crater/target/debug/build/nanny-sys-6631fb3fa16efd18/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: 0x5599f386ddab - backtrace::backtrace::libunwind::trace::h098b67cd5ecf24d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5599f386ddab - backtrace::backtrace::trace_unsynchronized::h41f8ecb0b6b75123 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5599f386ddab - std::sys_common::backtrace::_print::h6bdd5779472ab8c6 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x5599f386ddab - std::sys_common::backtrace::print::h535418cbcfd3b064 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x5599f386ddab - std::panicking::default_hook::{{closure}}::h8962ad5cd6daeea4 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x5599f386da86 - std::panicking::default_hook::h39b428958abf2606 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x5599f386e4cd - std::panicking::rust_panic_with_hook::hec5b145cd2b2dbe3 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x5599f386e052 - std::panicking::continue_panic_fmt::h499883e21d98c9ea [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x5599f386df36 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:311 [INFO] [stderr] 9: 0x5599f38894dd - core::panicking::panic_fmt::hf925eb7f761dd347 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 10: 0x5599f388941c - core::panicking::panic::hae013ec1b75df721 [INFO] [stderr] at src/libcore/panicking.rs:49 [INFO] [stderr] 11: 0x5599f380eb87 - core::option::Option::unwrap::h4f7ce33b1bcc7777 [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libcore/macros.rs:12 [INFO] [stderr] 12: 0x5599f380f0e5 - build_script_build::build_object_file::h3544324cf0e24b59 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanny-sys-0.0.6/build.rs:23 [INFO] [stderr] 13: 0x5599f380f416 - build_script_build::main::hd3fda57e596199db [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nanny-sys-0.0.6/build.rs:41 [INFO] [stderr] 14: 0x5599f380dc50 - std::rt::lang_start::{{closure}}::h1749dae5054f2115 [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64 [INFO] [stderr] 15: 0x5599f386df23 - std::rt::lang_start_internal::{{closure}}::h1d5b2f63d8aab9e2 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 16: 0x5599f386df23 - std::panicking::try::do_call::h23b1282500223f6a [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 17: 0x5599f387622a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 18: 0x5599f386e9dd - std::panicking::try::hf851d9cd2a46569f [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 19: 0x5599f386e9dd - std::panic::catch_unwind::h38ad47fd47b8a319 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x5599f386e9dd - std::rt::lang_start_internal::h8489a7c3e11328c4 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 21: 0x5599f380dc29 - std::rt::lang_start::he2f1b61155339049 [INFO] [stderr] at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64 [INFO] [stderr] 22: 0x5599f380f44a - main [INFO] [stderr] 23: 0x7f8e9889a2e1 - __libc_start_main [INFO] [stderr] 24: 0x5599f380dada - _start [INFO] [stderr] 25: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "0da1d456269d9554e37698e4fc036a8ab90c1ee511b6458afccb478a9c9d419f"` [INFO] running `"docker" "rm" "-f" "0da1d456269d9554e37698e4fc036a8ab90c1ee511b6458afccb478a9c9d419f"` [INFO] [stdout] 0da1d456269d9554e37698e4fc036a8ab90c1ee511b6458afccb478a9c9d419f