[INFO] crate tch 0.1.0 is already in cache
[INFO] extracting crate tch 0.1.0 into work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/tch/0.1.0
[INFO] extracting crate tch 0.1.0 into work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/tch/0.1.0
[INFO] validating manifest of tch-0.1.0 on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tch-0.1.0 on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tch-0.1.0
[INFO] removed 1 missing examples
[INFO] finished frobbing tch-0.1.0
[INFO] frobbed toml for tch-0.1.0 written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/tch/0.1.0/Cargo.toml
[INFO] started frobbing tch-0.1.0
[INFO] removed 1 missing examples
[INFO] finished frobbing tch-0.1.0
[INFO] frobbed toml for tch-0.1.0 written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/reg/tch/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tch-0.1.0 against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-2/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/reg/tch/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6fb787955176a6e23c6c1095cc739aa02290774e81e6af19f8d27275cf56b692
[INFO] running `"docker" "start" "-a" "6fb787955176a6e23c6c1095cc739aa02290774e81e6af19f8d27275cf56b692"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.2
[INFO] [stderr]    Compiling torch-sys v0.1.0
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/torch-sys-3d1e598846774cbc/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::h5315d70ead25fab7 (0x557d7a4d4f71)
[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::h3188afa344f86580 (0x557d7a4d4d1e)
[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::h82b5e3805368c61b (0x557d7a3743cc)
[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::hcfb07bb54e9114f3 (0x557d7a3680e8)
[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::h01934cadfff482b3 (0x557d7a36875f)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.0/build.rs:30
[INFO] [stderr]    5: build_script_build::prepare_libtorch_dir::hb2fa44eb8edb1ecb (0x557d7a36a9fb)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.0/build.rs:106
[INFO] [stderr]    6: build_script_build::main::ha50ce36b00d7c790 (0x557d7a36b5a1)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.0/build.rs:143
[INFO] [stderr]    7: std::rt::lang_start::{{closure}}::h1260377f065039e3 (0x557d7a364d90)
[INFO] [stderr]              at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64
[INFO] [stderr]    8: std::rt::lang_start_internal::{{closure}}::he78638434283b545 (0x557d7a526dc3)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h355c93ec0a462271
[INFO] [stderr]              at src/libstd/panicking.rs:296
[INFO] [stderr]    9: __rust_maybe_catch_panic (0x557d7a52ff2a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   10: std::panicking::try::h3918ed6cf08237ff (0x557d7a52798d)
[INFO] [stderr]              at src/libstd/panicking.rs:275
[INFO] [stderr]       std::panic::catch_unwind::h8b2e693598ba7028
[INFO] [stderr]              at src/libstd/panic.rs:388
[INFO] [stderr]       std::rt::lang_start_internal::h78590588d24f24ba
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   11: std::rt::lang_start::h707adbe099515192 (0x557d7a364d69)
[INFO] [stderr]              at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64
[INFO] [stderr]   12: main (0x557d7a36b8ba)
[INFO] [stderr]   13: __libc_start_main (0x7fdaa5ea72e1)
[INFO] [stderr]   14: _start (0x557d7a3573fa)
[INFO] [stderr]   15: <unknown> (0x0)', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x557d7a526c4b - backtrace::backtrace::libunwind::trace::h399a7a5a1c92b2d8
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x557d7a526c4b - backtrace::backtrace::trace_unsynchronized::h76e29b9231dd0873
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x557d7a526c4b - std::sys_common::backtrace::_print::hb092bf553e068953
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x557d7a526c4b - std::sys_common::backtrace::print::h3407b08071f3f520
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x557d7a526c4b - std::panicking::default_hook::{{closure}}::hc3b8cf51c83ab26e
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x557d7a526927 - std::panicking::default_hook::h54ef93848f2476c8
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x557d7a5273c0 - std::panicking::rust_panic_with_hook::hf0df85aa51810823
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x557d7a526f42 - std::panicking::continue_panic_fmt::hd822862a3dda0081
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x557d7a526e26 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x557d7a54384d - core::panicking::panic_fmt::h569fafe348e0c6f0
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x557d7a375565 - core::result::unwrap_failed::h22d59cb03fa1d854
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x557d7a37644b - core::result::Result<T,E>::unwrap::he2ae9d7fe3e83629
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x557d7a36aa28 - build_script_build::prepare_libtorch_dir::hb2fa44eb8edb1ecb
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.0/build.rs:106
[INFO] [stderr]   13:     0x557d7a36b5a1 - build_script_build::main::ha50ce36b00d7c790
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.0/build.rs:143
[INFO] [stderr]   14:     0x557d7a364d90 - std::rt::lang_start::{{closure}}::h1260377f065039e3
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x557d7a526dc3 - std::rt::lang_start_internal::{{closure}}::he78638434283b545
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x557d7a526dc3 - std::panicking::try::do_call::h355c93ec0a462271
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x557d7a52ff2a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x557d7a52798d - std::panicking::try::h3918ed6cf08237ff
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x557d7a52798d - std::panic::catch_unwind::h8b2e693598ba7028
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x557d7a52798d - std::rt::lang_start_internal::h78590588d24f24ba
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x557d7a364d69 - std::rt::lang_start::h707adbe099515192
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x557d7a36b8ba - main
[INFO] [stderr]   23:     0x7fdaa5ea72e1 - __libc_start_main
[INFO] [stderr]   24:     0x557d7a3573fa - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "6fb787955176a6e23c6c1095cc739aa02290774e81e6af19f8d27275cf56b692"`
[INFO] running `"docker" "rm" "-f" "6fb787955176a6e23c6c1095cc739aa02290774e81e6af19f8d27275cf56b692"`
[INFO] [stdout] 6fb787955176a6e23c6c1095cc739aa02290774e81e6af19f8d27275cf56b692