[INFO] fetching crate torch-sys 0.1.0...
[INFO] extracting crate torch-sys 0.1.0 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/torch-sys/0.1.0
[INFO] extracting crate torch-sys 0.1.0 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/torch-sys/0.1.0
[INFO] validating manifest of torch-sys-0.1.0 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of torch-sys-0.1.0 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing torch-sys-0.1.0
[INFO] finished frobbing torch-sys-0.1.0
[INFO] frobbed toml for torch-sys-0.1.0 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/torch-sys/0.1.0/Cargo.toml
[INFO] started frobbing torch-sys-0.1.0
[INFO] finished frobbing torch-sys-0.1.0
[INFO] frobbed toml for torch-sys-0.1.0 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/torch-sys/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking torch-sys-0.1.0 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-2/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/torch-sys/0.1.0:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 455268ea8b34d497b0df07d325e8e88d7c635d14ea8d934997a10204d58140cc
[INFO] running `"docker" "start" "-a" "455268ea8b34d497b0df07d325e8e88d7c635d14ea8d934997a10204d58140cc"`
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.2
[INFO] [stderr]    Compiling curl-sys v0.4.19
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling torch-sys v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/torch-sys-bc3a1e1a4d9a053e/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::h71b0607937d910c0 (0x55683f56a341)
[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::h1c3df1e8e8ac4bb3 (0x55683f56a0ee)
[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::hd874580182ea100d (0x55683f40bacc)
[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::hdb4a8d134209e104 (0x55683f3ff608)
[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::h6f5dc6f6d6136500 (0x55683f3ffd3f)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:30
[INFO] [stderr]    5: build_script_build::prepare_libtorch_dir::ha1b6b5908d336275 (0x55683f401fdb)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:106
[INFO] [stderr]    6: build_script_build::main::h5a891bcb1309c9a6 (0x55683f402b81)
[INFO] [stderr]              at /opt/crater/workdir/build.rs:143
[INFO] [stderr]    7: std::rt::lang_start::{{closure}}::hcba1bb5fb72e203e (0x55683f3fbe90)
[INFO] [stderr]              at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64
[INFO] [stderr]    8: std::rt::lang_start_internal::{{closure}}::h868ef2b3c3a15fff (0x55683f5bbfb3)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h4528fe5c5ea34ef8
[INFO] [stderr]              at src/libstd/panicking.rs:294
[INFO] [stderr]    9: __rust_maybe_catch_panic (0x55683f5c511a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   10: std::panicking::try::ha87d5378c5dcb863 (0x55683f5bcb7d)
[INFO] [stderr]              at src/libstd/panicking.rs:273
[INFO] [stderr]       std::panic::catch_unwind::hf01b748a30fdd5ec
[INFO] [stderr]              at src/libstd/panic.rs:388
[INFO] [stderr]       std::rt::lang_start_internal::h9518341cf2ad1d33
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   11: std::rt::lang_start::hca96bc183b2a4af1 (0x55683f3fbe69)
[INFO] [stderr]              at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64
[INFO] [stderr]   12: main (0x55683f402e9a)
[INFO] [stderr]   13: __libc_start_main (0x7f188378a2e1)
[INFO] [stderr]   14: _start (0x55683f3ee8fa)
[INFO] [stderr]   15: <unknown> (0x0)', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55683f5bbe3b - backtrace::backtrace::libunwind::trace::h0c70a293f076b04d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55683f5bbe3b - backtrace::backtrace::trace_unsynchronized::h1bc693e29cfaa7b4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55683f5bbe3b - std::sys_common::backtrace::_print::h8e9bb00be68d4090
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55683f5bbe3b - std::sys_common::backtrace::print::h706192507dd9d34d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55683f5bbe3b - std::panicking::default_hook::{{closure}}::he2b558091ea21dea
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55683f5bbb17 - std::panicking::default_hook::hfb9d48d2b8aaf0f5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55683f5bc5b0 - std::panicking::rust_panic_with_hook::h56bb6d26ac5aac90
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55683f5bc132 - std::panicking::continue_panic_fmt::h360cf8419afe0564
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x55683f5bc016 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x55683f5d8a3d - core::panicking::panic_fmt::h9cf93b79d5aa98c5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55683f40cb85 - core::result::unwrap_failed::h2a4b389834fdb35d
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x55683f40d92b - core::result::Result<T,E>::unwrap::hdcc76080791681ca
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x55683f402008 - build_script_build::prepare_libtorch_dir::ha1b6b5908d336275
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:106
[INFO] [stderr]   13:     0x55683f402b81 - build_script_build::main::h5a891bcb1309c9a6
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:143
[INFO] [stderr]   14:     0x55683f3fbe90 - std::rt::lang_start::{{closure}}::hcba1bb5fb72e203e
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x55683f5bbfb3 - std::rt::lang_start_internal::{{closure}}::h868ef2b3c3a15fff
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x55683f5bbfb3 - std::panicking::try::do_call::h4528fe5c5ea34ef8
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   17:     0x55683f5c511a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x55683f5bcb7d - std::panicking::try::ha87d5378c5dcb863
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   19:     0x55683f5bcb7d - std::panic::catch_unwind::hf01b748a30fdd5ec
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x55683f5bcb7d - std::rt::lang_start_internal::h9518341cf2ad1d33
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x55683f3fbe69 - std::rt::lang_start::hca96bc183b2a4af1
[INFO] [stderr]                                at /rustc/5f9c0448dde167128d668da4555879f64e56af1d/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x55683f402e9a - main
[INFO] [stderr]   23:     0x7f188378a2e1 - __libc_start_main
[INFO] [stderr]   24:     0x55683f3ee8fa - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "455268ea8b34d497b0df07d325e8e88d7c635d14ea8d934997a10204d58140cc"`
[INFO] running `"docker" "rm" "-f" "455268ea8b34d497b0df07d325e8e88d7c635d14ea8d934997a10204d58140cc"`
[INFO] [stdout] 455268ea8b34d497b0df07d325e8e88d7c635d14ea8d934997a10204d58140cc