[INFO] crate tch 0.1.1 is already in cache
[INFO] extracting crate tch 0.1.1 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/tch/0.1.1
[INFO] extracting crate tch 0.1.1 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/tch/0.1.1
[INFO] validating manifest of tch-0.1.1 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 tch-0.1.1 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 tch-0.1.1
[INFO] removed 1 missing examples
[INFO] finished frobbing tch-0.1.1
[INFO] frobbed toml for tch-0.1.1 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/tch/0.1.1/Cargo.toml
[INFO] started frobbing tch-0.1.1
[INFO] removed 1 missing examples
[INFO] finished frobbing tch-0.1.1
[INFO] frobbed toml for tch-0.1.1 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/tch/0.1.1/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 tch-0.1.1 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/tch/0.1.1:/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] 690d24ddfb72a02a41ba5e2ba4e71a79dcbfb2f5dcca0e64a42a9c53fa68b55e
[INFO] running `"docker" "start" "-a" "690d24ddfb72a02a41ba5e2ba4e71a79dcbfb2f5dcca0e64a42a9c53fa68b55e"`
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling zip v0.5.3
[INFO] [stderr]    Compiling curl-sys v0.4.21
[INFO] [stderr]    Compiling curl v0.4.23
[INFO] [stderr]    Compiling torch-sys v0.1.1
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.1.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/torch-sys-6e753c3b051672cb/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error { description: "Couldn\'t resolve host name", code: 6, extra: None }
[INFO] [stderr] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0: failure::backtrace::internal::InternalBacktrace::new::hb1c264be5af72227 (0x55648e4acd7f)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stderr]    1: failure::backtrace::Backtrace::new::h30a074b88277836d (0x55648e4ac7ee)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stderr]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::ha37b1420cf8df33e (0x55648e35c27c)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stderr]    3: <failure::error::Error as core::convert::From<F>>::from::hd5f62bead5d2f69e (0x55648e34a608)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stderr]    4: build_script_build::download::h86ffd7728fa25414 (0x55648e34d8b3)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.1/build.rs:30
[INFO] [stderr]    5: build_script_build::prepare_libtorch_dir::hb824dec59118216c (0x55648e34fa0a)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.1/build.rs:106
[INFO] [stderr]    6: build_script_build::main::h01868941e7e7670e (0x55648e350581)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.1/build.rs:143
[INFO] [stderr]    7: std::rt::lang_start::{{closure}}::hfa612f40896b0547 (0x55648e34a170)
[INFO] [stderr]              at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]    8: std::rt::lang_start_internal::{{closure}}::h1d5b2f63d8aab9e2 (0x55648e4f7e63)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h23b1282500223f6a
[INFO] [stderr]              at src/libstd/panicking.rs:296
[INFO] [stderr]    9: __rust_maybe_catch_panic (0x55648e500f4a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   10: std::panicking::try::hf851d9cd2a46569f (0x55648e4f8a2d)
[INFO] [stderr]              at src/libstd/panicking.rs:275
[INFO] [stderr]       std::panic::catch_unwind::h38ad47fd47b8a319
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::h8489a7c3e11328c4
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   11: std::rt::lang_start::h68239993678c69d4 (0x55648e34a149)
[INFO] [stderr]              at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]   12: main (0x55648e35088a)
[INFO] [stderr]   13: __libc_start_main (0x7fa9ebdbc2e1)
[INFO] [stderr]   14: _start (0x55648e33edfa)
[INFO] [stderr]   15: <unknown> (0x0)', src/libcore/result.rs:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55648e4f7ceb - 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:     0x55648e4f7ceb - 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:     0x55648e4f7ceb - std::sys_common::backtrace::_print::h6bdd5779472ab8c6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55648e4f7ceb - std::sys_common::backtrace::print::h535418cbcfd3b064
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55648e4f7ceb - std::panicking::default_hook::{{closure}}::h8962ad5cd6daeea4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55648e4f79c6 - std::panicking::default_hook::h39b428958abf2606
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55648e4f845d - std::panicking::rust_panic_with_hook::hec5b145cd2b2dbe3
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55648e4f7fe2 - std::panicking::continue_panic_fmt::h499883e21d98c9ea
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55648e4f7ec6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55648e51482d - core::panicking::panic_fmt::hf925eb7f761dd347
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55648e514927 - core::result::unwrap_failed::hb295cb62d0c5f00c
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x55648e34c888 - core::result::Result<T,E>::unwrap::h2db7d4b936519a04
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x55648e34fa37 - build_script_build::prepare_libtorch_dir::hb824dec59118216c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.1/build.rs:106
[INFO] [stderr]   13:     0x55648e350581 - build_script_build::main::h01868941e7e7670e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.1/build.rs:143
[INFO] [stderr]   14:     0x55648e34a170 - std::rt::lang_start::{{closure}}::hfa612f40896b0547
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55648e4f7e63 - std::rt::lang_start_internal::{{closure}}::h1d5b2f63d8aab9e2
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55648e4f7e63 - std::panicking::try::do_call::h23b1282500223f6a
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x55648e500f4a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   18:     0x55648e4f8a2d - std::panicking::try::hf851d9cd2a46569f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x55648e4f8a2d - std::panic::catch_unwind::h38ad47fd47b8a319
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x55648e4f8a2d - std::rt::lang_start_internal::h8489a7c3e11328c4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55648e34a149 - std::rt::lang_start::h68239993678c69d4
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x55648e35088a - main
[INFO] [stderr]   23:     0x7fa9ebdbc2e1 - __libc_start_main
[INFO] [stderr]   24:     0x55648e33edfa - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "690d24ddfb72a02a41ba5e2ba4e71a79dcbfb2f5dcca0e64a42a9c53fa68b55e"`
[INFO] running `"docker" "rm" "-f" "690d24ddfb72a02a41ba5e2ba4e71a79dcbfb2f5dcca0e64a42a9c53fa68b55e"`
[INFO] [stdout] 690d24ddfb72a02a41ba5e2ba4e71a79dcbfb2f5dcca0e64a42a9c53fa68b55e