[INFO] crate tch 0.0.8 is already in cache
[INFO] extracting crate tch 0.0.8 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/tch/0.0.8
[INFO] extracting crate tch 0.0.8 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/tch/0.0.8
[INFO] validating manifest of tch-0.0.8 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tch-0.0.8 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tch-0.0.8
[INFO] removed 1 missing examples
[INFO] finished frobbing tch-0.0.8
[INFO] frobbed toml for tch-0.0.8 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/tch/0.0.8/Cargo.toml
[INFO] started frobbing tch-0.0.8
[INFO] removed 1 missing examples
[INFO] finished frobbing tch-0.0.8
[INFO] frobbed toml for tch-0.0.8 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/tch/0.0.8/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tch-0.0.8 against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-2/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/tch/0.0.8:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a309ad428209dc84868f229101decc9393893e93c76db748053e726f727ccd8b
[INFO] running `"docker" "start" "-a" "a309ad428209dc84868f229101decc9393893e93c76db748053e726f727ccd8b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling curl-sys v0.4.18
[INFO] [stderr]    Compiling zip v0.5.2
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]    Compiling torch-sys v0.0.7
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.0.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/torch-sys-3f9a8377ff78d927/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::h5db82b5083ce1fd6 (0x56307937b3d2)
[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::h6991100b22bc9c2d (0x56307937b17d)
[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::h13dfb2ed38251332 (0x563079218795)
[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::h77733d9769ab1a28 (0x56307920b0a7)
[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::h635f33fa5a048d57 (0x56307920d174)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.0.7/build.rs:30
[INFO] [stderr]    5: build_script_build::prepare_libtorch_dir::hfb5630603c9e69d1 (0x56307920f3b6)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.0.7/build.rs:106
[INFO] [stderr]    6: build_script_build::main::hb5bbfbf6ccded0f6 (0x56307920ff60)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.0.7/build.rs:143
[INFO] [stderr]    7: std::rt::lang_start::{{closure}}::h99eaf0f637c25428 (0x56307920bccf)
[INFO] [stderr]              at /rustc/58b21121d0b447ceb3f1a655155d802191acf044/src/libstd/rt.rs:64
[INFO] [stderr]    8: std::rt::lang_start_internal::{{closure}}::h16af4dd1bdd10fbb (0x5630793cdee2)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::he7eba20f8beb30e4
[INFO] [stderr]              at src/libstd/panicking.rs:293
[INFO] [stderr]    9: __rust_maybe_catch_panic (0x5630793d7789)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   10: std::panicking::try::h77335391404ee6e1 (0x5630793ceaac)
[INFO] [stderr]              at src/libstd/panicking.rs:272
[INFO] [stderr]       std::panic::catch_unwind::h29c6f15015862ce3
[INFO] [stderr]              at src/libstd/panic.rs:388
[INFO] [stderr]       std::rt::lang_start_internal::hedb14d415182a710
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   11: std::rt::lang_start::hb270a1d627a3afea (0x56307920bca8)
[INFO] [stderr]              at /rustc/58b21121d0b447ceb3f1a655155d802191acf044/src/libstd/rt.rs:64
[INFO] [stderr]   12: main (0x563079210279)
[INFO] [stderr]   13: __libc_start_main (0x7f0af1bb32e0)
[INFO] [stderr]   14: _start (0x5630791fbbf9)
[INFO] [stderr]   15: <unknown> (0x0)', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5630793cf1b3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb4e030b29f98d86f
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5630793ca50b - std::sys_common::backtrace::_print::h44872227d8b770d4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5630793cddd6 - std::panicking::default_hook::{{closure}}::hd181a7e0ad3700ab
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5630793cdb6b - std::panicking::default_hook::h0b98855e63e3b4cb
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x5630793ce4df - std::panicking::rust_panic_with_hook::ha323ba5aa88f36f2
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x5630793ce061 - std::panicking::continue_panic_fmt::h240b5680b02e1846
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x5630793cdf45 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x5630793e6bec - core::panicking::panic_fmt::hce68576b79e551c9
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x5630792191e4 - core::result::unwrap_failed::h2c4ee920d1cd22ec
[INFO] [stderr]                                at /rustc/58b21121d0b447ceb3f1a655155d802191acf044/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x56307921a0ca - core::result::Result<T,E>::unwrap::he7489859cd9b0a42
[INFO] [stderr]                                at /rustc/58b21121d0b447ceb3f1a655155d802191acf044/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x56307920f3e3 - build_script_build::prepare_libtorch_dir::hfb5630603c9e69d1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.0.7/build.rs:106
[INFO] [stderr]   11:     0x56307920ff60 - build_script_build::main::hb5bbfbf6ccded0f6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.0.7/build.rs:143
[INFO] [stderr]   12:     0x56307920bccf - std::rt::lang_start::{{closure}}::h99eaf0f637c25428
[INFO] [stderr]                                at /rustc/58b21121d0b447ceb3f1a655155d802191acf044/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x5630793cdee2 - std::panicking::try::do_call::he7eba20f8beb30e4
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   14:     0x5630793d7789 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15:     0x5630793ceaac - std::rt::lang_start_internal::hedb14d415182a710
[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:     0x56307920bca8 - std::rt::lang_start::hb270a1d627a3afea
[INFO] [stderr]                                at /rustc/58b21121d0b447ceb3f1a655155d802191acf044/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x563079210279 - main
[INFO] [stderr]   18:     0x7f0af1bb32e0 - __libc_start_main
[INFO] [stderr]   19:     0x5630791fbbf9 - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "a309ad428209dc84868f229101decc9393893e93c76db748053e726f727ccd8b"`
[INFO] running `"docker" "rm" "-f" "a309ad428209dc84868f229101decc9393893e93c76db748053e726f727ccd8b"`
[INFO] [stdout] a309ad428209dc84868f229101decc9393893e93c76db748053e726f727ccd8b