[INFO] crate torch-sys 0.0.7 is already in cache
[INFO] extracting crate torch-sys 0.0.7 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/torch-sys/0.0.7
[INFO] extracting crate torch-sys 0.0.7 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/torch-sys/0.0.7
[INFO] validating manifest of torch-sys-0.0.7 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of torch-sys-0.0.7 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/torch-sys/0.0.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking torch-sys-0.0.7 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cfd7223a8f77d629f5d4c028655d61b9d43bd4084f989ffbeea14ce7c801e3b2
[INFO] running `"docker" "start" "-a" "cfd7223a8f77d629f5d4c028655d61b9d43bd4084f989ffbeea14ce7c801e3b2"`
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling libflate v0.1.22
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling curl v0.4.21
[INFO] [stderr]    Compiling zip v0.5.2
[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] process didn't exit successfully: `/opt/crater/target/debug/build/torch-sys-6fd8ed4a6a66e583/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::h7d3939206af20ecf (0x55ae5463b162)
[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::hadbbb1d1e93b0a25 (0x55ae5463a65d)
[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::h20e27307dfcf7fa3 (0x55ae544e1555)
[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::h50251a79c4bad48c (0x55ae544d5ee7)
[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::h45c9cf00e75d1af1 (0x55ae544d6d54)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:30
[INFO] [stderr]    5: build_script_build::prepare_libtorch_dir::ha9b190f078873229 (0x55ae544d8fa5)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:106
[INFO] [stderr]    6: build_script_build::main::h1a8a0e6348825346 (0x55ae544d9b80)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:143
[INFO] [stderr]    7: std::rt::lang_start::{{closure}}::h55d77efa17d9d2b0 (0x55ae544d525f)
[INFO] [stderr]              at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libstd/rt.rs:64
[INFO] [stderr]    8: {{closure}} (0x55ae5468ad92)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       do_call<closure,i32>
[INFO] [stderr]              at src/libstd/panicking.rs:293
[INFO] [stderr]    9: __rust_maybe_catch_panic (0x55ae546941d9)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   10: try<i32,closure> (0x55ae5468b95c)
[INFO] [stderr]              at src/libstd/panicking.rs:272
[INFO] [stderr]       catch_unwind<closure,i32>
[INFO] [stderr]              at src/libstd/panic.rs:388
[INFO] [stderr]       lang_start_internal
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   11: std::rt::lang_start::h1ce8089ce81b3f54 (0x55ae544d5238)
[INFO] [stderr]              at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libstd/rt.rs:64
[INFO] [stderr]   12: main (0x55ae544d9e99)
[INFO] [stderr]   13: __libc_start_main (0x7f475f3362e0)
[INFO] [stderr]   14: _start (0x55ae544c65d9)
[INFO] [stderr]   15: <unknown> (0x0)', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ae5468c063 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h805294fd9a8a1853
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55ae5468740b - std::sys_common::backtrace::_print::h563674885828f2f5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55ae5468ac86 - std::panicking::default_hook::{{closure}}::ha80a0fc374ac4513
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55ae5468aa19 - std::panicking::default_hook::h22bb6d1b97092339
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55ae5468b38f - std::panicking::rust_panic_with_hook::hb430545a95762309
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55ae5468af11 - std::panicking::continue_panic_fmt::h5eaf2c376dcf553f
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55ae5468adf5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55ae546a35dc - core::panicking::panic_fmt::ha3c82b3c8b41a4ff
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55ae544e1e64 - core::result::unwrap_failed::h897fd45dd01875a8
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55ae544e2d1f - core::result::Result<T,E>::unwrap::hfa3f80f6210d2d2b
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55ae544d8fd2 - build_script_build::prepare_libtorch_dir::ha9b190f078873229
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:106
[INFO] [stderr]   11:     0x55ae544d9b80 - build_script_build::main::h1a8a0e6348825346
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:143
[INFO] [stderr]   12:     0x55ae544d525f - std::rt::lang_start::{{closure}}::h55d77efa17d9d2b0
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55ae5468ad92 - std::panicking::try::do_call::h1f09ded7f50c84d3
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   14:     0x55ae546941d9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15:     0x55ae5468b95c - std::rt::lang_start_internal::hf27f440d51809051
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   16:     0x55ae544d5238 - std::rt::lang_start::h1ce8089ce81b3f54
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x55ae544d9e99 - main
[INFO] [stderr]   18:     0x7f475f3362e0 - __libc_start_main
[INFO] [stderr]   19:     0x55ae544c65d9 - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "cfd7223a8f77d629f5d4c028655d61b9d43bd4084f989ffbeea14ce7c801e3b2"`
[INFO] running `"docker" "rm" "-f" "cfd7223a8f77d629f5d4c028655d61b9d43bd4084f989ffbeea14ce7c801e3b2"`
[INFO] [stdout] cfd7223a8f77d629f5d4c028655d61b9d43bd4084f989ffbeea14ce7c801e3b2