[INFO] crate torch-sys 0.0.7 is already in cache
[INFO] extracting crate torch-sys 0.0.7 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/torch-sys/0.0.7
[INFO] extracting crate torch-sys 0.0.7 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/torch-sys/0.0.7
[INFO] validating manifest of torch-sys-0.0.7 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of torch-sys-0.0.7 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing torch-sys-0.0.7
[INFO] finished frobbing torch-sys-0.0.7
[INFO] frobbed toml for torch-sys-0.0.7 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/torch-sys/0.0.7/Cargo.toml
[INFO] started frobbing torch-sys-0.0.7
[INFO] finished frobbing torch-sys-0.0.7
[INFO] frobbed toml for torch-sys-0.0.7 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/torch-sys/0.0.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking torch-sys-0.0.7 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-3/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/torch-sys/0.0.7:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 142d67b5f164d24a00c3f2f00c7b4482abf96133c60ebddb0ac221c3bbd846dd
[INFO] running `"docker" "start" "-a" "142d67b5f164d24a00c3f2f00c7b4482abf96133c60ebddb0ac221c3bbd846dd"`
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling zip v0.5.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling torch-sys v0.0.7 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.0.7 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/torch-sys-b8047d4af2c06f3c/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::hb37464984fd003d4 (0x55cf1afb6fe3)
[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::h630e3190f033864a (0x55cf1afb6d8e)
[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::h70fda1e63c8d5d32 (0x55cf1ae55416)
[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::hb83c807701297e97 (0x55cf1ae49108)
[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::h26c9328a4371aa39 (0x55cf1ae498d5)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:30
[INFO] [stderr]    5: build_script_build::prepare_libtorch_dir::he875929cf8e90b65 (0x55cf1ae4bb17)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:106
[INFO] [stderr]    6: build_script_build::main::h851df7a75228315d (0x55cf1ae4c6c1)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:143
[INFO] [stderr]    7: std::rt::lang_start::{{closure}}::h9568cc156ba4cf23 (0x55cf1ae45a30)
[INFO] [stderr]              at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]    8: std::rt::lang_start_internal::{{closure}}::hac4055a4b24c3806 (0x55cf1b008a23)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h0bdfdef338a7b8de
[INFO] [stderr]              at src/libstd/panicking.rs:294
[INFO] [stderr]    9: __rust_maybe_catch_panic (0x55cf1b01202a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   10: std::panicking::try::h5986cc11523af350 (0x55cf1b0095ed)
[INFO] [stderr]              at src/libstd/panicking.rs:273
[INFO] [stderr]       std::panic::catch_unwind::h5e6e2d11127cecca
[INFO] [stderr]              at src/libstd/panic.rs:388
[INFO] [stderr]       std::rt::lang_start_internal::hd1ad303a81183dc4
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   11: std::rt::lang_start::h5c6bd3be2c36aa6b (0x55cf1ae45a09)
[INFO] [stderr]              at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   12: main (0x55cf1ae4c9da)
[INFO] [stderr]   13: __libc_start_main (0x7f99be65f2e1)
[INFO] [stderr]   14: _start (0x55cf1ae383fa)
[INFO] [stderr]   15: <unknown> (0x0)', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55cf1b0088ab - backtrace::backtrace::libunwind::trace::h00e2f01ca6755a19
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55cf1b0088ab - backtrace::backtrace::trace_unsynchronized::hc2e55f9123c24578
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55cf1b0088ab - std::sys_common::backtrace::_print::h878d975ca669e1b4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55cf1b0088ab - std::sys_common::backtrace::print::h1b2f6b4885b021f3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55cf1b0088ab - std::panicking::default_hook::{{closure}}::he9ab19abef5c787f
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55cf1b0085ac - std::panicking::default_hook::h9b73316e8577c3fa
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55cf1b009020 - std::panicking::rust_panic_with_hook::he062866264d328c5
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55cf1b008ba2 - std::panicking::continue_panic_fmt::hd91e15ffe4fde332
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55cf1b008a86 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x55cf1b02592d - core::panicking::panic_fmt::h684eb94a03e3ec1d
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55cf1ae56595 - core::result::unwrap_failed::h255400bfaefeb638
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x55cf1ae5747b - core::result::Result<T,E>::unwrap::ha82478e1d9c215ac
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x55cf1ae4bb44 - build_script_build::prepare_libtorch_dir::he875929cf8e90b65
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:106
[INFO] [stderr]   13:     0x55cf1ae4c6c1 - build_script_build::main::h851df7a75228315d
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:143
[INFO] [stderr]   14:     0x55cf1ae45a30 - std::rt::lang_start::{{closure}}::h9568cc156ba4cf23
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55cf1b008a23 - std::rt::lang_start_internal::{{closure}}::hac4055a4b24c3806
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55cf1b008a23 - std::panicking::try::do_call::h0bdfdef338a7b8de
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   17:     0x55cf1b01202a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x55cf1b0095ed - std::panicking::try::h5986cc11523af350
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   19:     0x55cf1b0095ed - std::panic::catch_unwind::h5e6e2d11127cecca
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x55cf1b0095ed - std::rt::lang_start_internal::hd1ad303a81183dc4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55cf1ae45a09 - std::rt::lang_start::h5c6bd3be2c36aa6b
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x55cf1ae4c9da - main
[INFO] [stderr]   23:     0x7f99be65f2e1 - __libc_start_main
[INFO] [stderr]   24:     0x55cf1ae383fa - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "142d67b5f164d24a00c3f2f00c7b4482abf96133c60ebddb0ac221c3bbd846dd"`
[INFO] running `"docker" "rm" "-f" "142d67b5f164d24a00c3f2f00c7b4482abf96133c60ebddb0ac221c3bbd846dd"`
[INFO] [stdout] 142d67b5f164d24a00c3f2f00c7b4482abf96133c60ebddb0ac221c3bbd846dd