[INFO] crate tch 0.0.8 is already in cache
[INFO] extracting crate tch 0.0.8 into work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/tch/0.0.8
[INFO] extracting crate tch 0.0.8 into work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/tch/0.0.8
[INFO] validating manifest of tch-0.0.8 on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tch-0.0.8 on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-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-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/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-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/tch/0.0.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tch-0.0.8 against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-2/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 22156560269fd87f7b3082530ae957926548c04d78ab2ef43ff1fc71a2dcdb6d
[INFO] running `"docker" "start" "-a" "22156560269fd87f7b3082530ae957926548c04d78ab2ef43ff1fc71a2dcdb6d"`
[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 failure v0.1.5
[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-55f08620137411ea/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::h925e493fe80a86a6 (0x558b774cb863)
[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::h8af98de48144c858 (0x558b774cb60e)
[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::hfbf2758224d94ad5 (0x558b7736a1e6)
[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::h2687636e9e05e78d (0x558b7735dcb8)
[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::h12e2496f530c2b30 (0x558b7735e4a5)
[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::h8d846c222fd64e58 (0x558b773606e7)
[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::h12156786757b9a76 (0x558b77361291)
[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}}::h688cef1477bbe005 (0x558b7735a640)
[INFO] [stderr]              at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/rt.rs:64
[INFO] [stderr]    8: std::rt::lang_start_internal::{{closure}}::h3433d02b763cc1cc (0x558b7751d203)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h1bd2814d0b730969
[INFO] [stderr]              at src/libstd/panicking.rs:294
[INFO] [stderr]    9: __rust_maybe_catch_panic (0x558b7752683a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   10: std::panicking::try::hf899646d63b90b29 (0x558b7751ddcd)
[INFO] [stderr]              at src/libstd/panicking.rs:273
[INFO] [stderr]       std::panic::catch_unwind::ha1af529349fbe3dc
[INFO] [stderr]              at src/libstd/panic.rs:388
[INFO] [stderr]       std::rt::lang_start_internal::he5b58aa1d492830f
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   11: std::rt::lang_start::h08e84a269d62340a (0x558b7735a619)
[INFO] [stderr]              at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/rt.rs:64
[INFO] [stderr]   12: main (0x558b773615aa)
[INFO] [stderr]   13: __libc_start_main (0x7fc7f2cb32e1)
[INFO] [stderr]   14: _start (0x558b7734cfca)
[INFO] [stderr]   15: <unknown> (0x0)', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x558b7751d08b - backtrace::backtrace::libunwind::trace::h070e7f82042bca1a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x558b7751d08b - backtrace::backtrace::trace_unsynchronized::he13049b85698ba8d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x558b7751d08b - std::sys_common::backtrace::_print::h634e2ea8248267c1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x558b7751d08b - std::sys_common::backtrace::print::h5d5de2cf218c89a7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x558b7751d08b - std::panicking::default_hook::{{closure}}::h43b79773c0c0f232
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x558b7751cd8c - std::panicking::default_hook::h53bc9afd22fb35b5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x558b7751d800 - std::panicking::rust_panic_with_hook::h49c2fb11d2e8b48c
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x558b7751d382 - std::panicking::continue_panic_fmt::hd6697de49ab68f09
[INFO] [stderr]                                at src/libstd/panicking.rs:382
[INFO] [stderr]    8:     0x558b7751d266 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:309
[INFO] [stderr]    9:     0x558b7753a13d - core::panicking::panic_fmt::h565d885a643ab2b5
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x558b7736a5e5 - core::result::unwrap_failed::h350ab1a83b5a39ac
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x558b7736b27b - core::result::Result<T,E>::unwrap::haed9ed94d957b89a
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x558b77360714 - build_script_build::prepare_libtorch_dir::h8d846c222fd64e58
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.0.7/build.rs:106
[INFO] [stderr]   13:     0x558b77361291 - build_script_build::main::h12156786757b9a76
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.0.7/build.rs:143
[INFO] [stderr]   14:     0x558b7735a640 - std::rt::lang_start::{{closure}}::h688cef1477bbe005
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x558b7751d203 - std::rt::lang_start_internal::{{closure}}::h3433d02b763cc1cc
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x558b7751d203 - std::panicking::try::do_call::h1bd2814d0b730969
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   17:     0x558b7752683a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   18:     0x558b7751ddcd - std::panicking::try::hf899646d63b90b29
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   19:     0x558b7751ddcd - std::panic::catch_unwind::ha1af529349fbe3dc
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   20:     0x558b7751ddcd - std::rt::lang_start_internal::he5b58aa1d492830f
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x558b7735a619 - std::rt::lang_start::h08e84a269d62340a
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x558b773615aa - main
[INFO] [stderr]   23:     0x7fc7f2cb32e1 - __libc_start_main
[INFO] [stderr]   24:     0x558b7734cfca - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "22156560269fd87f7b3082530ae957926548c04d78ab2ef43ff1fc71a2dcdb6d"`
[INFO] running `"docker" "rm" "-f" "22156560269fd87f7b3082530ae957926548c04d78ab2ef43ff1fc71a2dcdb6d"`
[INFO] [stdout] 22156560269fd87f7b3082530ae957926548c04d78ab2ef43ff1fc71a2dcdb6d