[INFO] crate tch 0.0.8 is already in cache
[INFO] extracting crate tch 0.0.8 into work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/tch/0.0.8
[INFO] extracting crate tch 0.0.8 into work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/tch/0.0.8
[INFO] validating manifest of tch-0.0.8 on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tch-0.0.8 on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-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-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/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-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/reg/tch/0.0.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tch-0.0.8 against master#1891bfa80364eead426517c68de6947b7692e2de for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-1/master#1891bfa80364eead426517c68de6947b7692e2de:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/reg/tch/0.0.8:/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" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f4ccdcd12d2a00778d44aaf22f20249283987353d4317daa581a416730ea6114
[INFO] running `"docker" "start" "-a" "f4ccdcd12d2a00778d44aaf22f20249283987353d4317daa581a416730ea6114"`
[INFO] [stderr]    Compiling openssl-sys v0.9.45
[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 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
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.0.7`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/torch-sys-4a4274605f9b4fd7/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::hf28e2f619445172d (0x55f7bcc36392)
[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::h2770524a258ea76a (0x55f7bcc35a7d)
[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::h797f32372ecc50aa (0x55f7bcadbfd5)
[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::h56f06dc571806518 (0x55f7bcacf1d7)
[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::h3d4783d4f4ec68ed (0x55f7bcad1f34)
[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::h4a85a27e04969234 (0x55f7bcad4185)
[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::hd440485489eda1d6 (0x55f7bcad4d60)
[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}}::hbaa985791ce94980 (0x55f7bcad04af)
[INFO] [stderr]              at /rustc/1891bfa80364eead426517c68de6947b7692e2de/src/libstd/rt.rs:64
[INFO] [stderr]    8: {{closure}} (0x55f7bcc86162)
[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 (0x55f7bcc8f839)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   10: try<i32,closure> (0x55f7bcc86d2c)
[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::hfe56da3e39ebbee2 (0x55f7bcad0488)
[INFO] [stderr]              at /rustc/1891bfa80364eead426517c68de6947b7692e2de/src/libstd/rt.rs:64
[INFO] [stderr]   12: main (0x55f7bcad5079)
[INFO] [stderr]   13: __libc_start_main (0x7f3628b722e0)
[INFO] [stderr]   14: _start (0x55f7bcac1809)
[INFO] [stderr]   15: <unknown> (0x0)', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55f7bcc87433 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hf442c630213d5c0e
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55f7bcc8278b - std::sys_common::backtrace::_print::h1f9138ed6351d2a8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55f7bcc86056 - std::panicking::default_hook::{{closure}}::he2d7aa18e306aa14
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55f7bcc85de9 - std::panicking::default_hook::he86a971ed90f2b8f
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55f7bcc8675f - std::panicking::rust_panic_with_hook::h8e0ec1fb63564a4a
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55f7bcc862e1 - std::panicking::continue_panic_fmt::h5758ee73634469f4
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55f7bcc861c5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55f7bcc9ec3c - core::panicking::panic_fmt::h6452504f8f87dea7
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55f7bcadd1a4 - core::result::unwrap_failed::h0091af447f3a5232
[INFO] [stderr]                                at /rustc/1891bfa80364eead426517c68de6947b7692e2de/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55f7bcaddf2f - core::result::Result<T,E>::unwrap::h412d5c98df60cd98
[INFO] [stderr]                                at /rustc/1891bfa80364eead426517c68de6947b7692e2de/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55f7bcad41b2 - build_script_build::prepare_libtorch_dir::h4a85a27e04969234
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.0.7/build.rs:106
[INFO] [stderr]   11:     0x55f7bcad4d60 - build_script_build::main::hd440485489eda1d6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.0.7/build.rs:143
[INFO] [stderr]   12:     0x55f7bcad04af - std::rt::lang_start::{{closure}}::hbaa985791ce94980
[INFO] [stderr]                                at /rustc/1891bfa80364eead426517c68de6947b7692e2de/src/libstd/rt.rs:64
[INFO] [stderr]   13:     0x55f7bcc86162 - std::panicking::try::do_call::h7aa8c4760020085d
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   14:     0x55f7bcc8f839 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   15:     0x55f7bcc86d2c - std::rt::lang_start_internal::hecae08ecaa28013a
[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:     0x55f7bcad0488 - std::rt::lang_start::hfe56da3e39ebbee2
[INFO] [stderr]                                at /rustc/1891bfa80364eead426517c68de6947b7692e2de/src/libstd/rt.rs:64
[INFO] [stderr]   17:     0x55f7bcad5079 - main
[INFO] [stderr]   18:     0x7f3628b722e0 - __libc_start_main
[INFO] [stderr]   19:     0x55f7bcac1809 - _start
[INFO] [stderr]   20:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "f4ccdcd12d2a00778d44aaf22f20249283987353d4317daa581a416730ea6114"`
[INFO] running `"docker" "rm" "-f" "f4ccdcd12d2a00778d44aaf22f20249283987353d4317daa581a416730ea6114"`
[INFO] [stdout] f4ccdcd12d2a00778d44aaf22f20249283987353d4317daa581a416730ea6114