[INFO] fetching crate tch 0.1.6...
[INFO] checking tch-0.1.6 against master#e2223c94bf433fc38234d1303e88cbaf14755863 for pr-69548
[INFO] extracting crate tch 0.1.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tch 0.1.6 on toolchain e2223c94bf433fc38234d1303e88cbaf14755863
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tch 0.1.6
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate tch 0.1.6
[INFO] tweaked toml for crates.io crate tch 0.1.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tch 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7c996844ddca0e62b3c1a1d787e158a178c927888e04edd3b6ab8998ddbfd1c
[INFO] running `"docker" "start" "-a" "b7c996844ddca0e62b3c1a1d787e158a178c927888e04edd3b6ab8998ddbfd1c"`
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]     Checking bzip2-sys v0.1.7
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking ndarray v0.13.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.4
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling torch-sys v0.1.6
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.1.6`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-abd841f9c18f6e45/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
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/backtrace/internal.rs:46
[INFO] [stderr]    1: failure::backtrace::Backtrace::new
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/backtrace/mod.rs:121
[INFO] [stderr]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/error/error_impl.rs:19
[INFO] [stderr]    3: <failure::error::Error as core::convert::From<F>>::from
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/src/error/mod.rs:36
[INFO] [stderr]    4: build_script_build::download
[INFO] [stderr]              at build.rs:30
[INFO] [stderr]    5: build_script_build::prepare_libtorch_dir
[INFO] [stderr]              at build.rs:117
[INFO] [stderr]    6: build_script_build::main
[INFO] [stderr]              at build.rs:175
[INFO] [stderr]    7: std::rt::lang_start::{{closure}}
[INFO] [stderr]              at /rustc/e2223c94bf433fc38234d1303e88cbaf14755863/src/libstd/rt.rs:67
[INFO] [stderr]    8: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]              at src/libstd/rt.rs:52
[INFO] [stderr]       std::panicking::try::do_call
[INFO] [stderr]              at src/libstd/panicking.rs:303
[INFO] [stderr]    9: __rust_maybe_catch_panic
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   10: std::panicking::try
[INFO] [stderr]              at src/libstd/panicking.rs:281
[INFO] [stderr]       std::panic::catch_unwind
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal
[INFO] [stderr]              at src/libstd/rt.rs:51
[INFO] [stderr]   11: std::rt::lang_start
[INFO] [stderr]              at /rustc/e2223c94bf433fc38234d1303e88cbaf14755863/src/libstd/rt.rs:67
[INFO] [stderr]   12: main
[INFO] [stderr]   13: __libc_start_main
[INFO] [stderr]   14: _start
[INFO] [stderr] ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.6/build.rs:117:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x564f8469e594 - backtrace::backtrace::libunwind::trace::h4ca49152e1f35005
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x564f8469e594 - backtrace::backtrace::trace_unsynchronized::hc386219a292e35b7
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x564f8469e594 - std::sys_common::backtrace::_print_fmt::hcc8e03acf0b4e191
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x564f8469e594 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6629260593428da6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x564f846c0fdc - core::fmt::write::h33778cb9fc069ee9
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1053
[INFO] [stderr]    5:     0x564f8469a2b7 - std::io::Write::write_fmt::ha24c398f7cbcf857
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x564f846a1305 - std::sys_common::backtrace::_print::hc879c3241333a43c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x564f846a1305 - std::sys_common::backtrace::print::h20817dd43023ddb9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x564f846a1305 - std::panicking::default_hook::{{closure}}::h99b6ca83277c224a
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x564f846a1047 - std::panicking::default_hook::hdf495aaeed5140cc
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x564f846a1962 - std::panicking::rust_panic_with_hook::h455d273bc59e23f1
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x564f846a154b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x564f846c0351 - core::panicking::panic_fmt::h0849f966b68c6e85
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x564f846c0173 - core::option::expect_none_failed::h5687f4651d6b5cd6
[INFO] [stderr]                                at src/libcore/option.rs:1211
[INFO] [stderr]   14:     0x564f84529f53 - core::result::Result<T,E>::unwrap::h92439f4134d4b222
[INFO] [stderr]                                at /rustc/e2223c94bf433fc38234d1303e88cbaf14755863/src/libcore/result.rs:1003
[INFO] [stderr]   15:     0x564f845195f3 - build_script_build::prepare_libtorch_dir::h58a9c310a3d7c864
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.6/build.rs:117
[INFO] [stderr]   16:     0x564f8451a644 - build_script_build::main::hef145f92f53dd3d8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.6/build.rs:175
[INFO] [stderr]   17:     0x564f8452970b - std::rt::lang_start::{{closure}}::h7f937f5f9af7e7bc
[INFO] [stderr]                                at /rustc/e2223c94bf433fc38234d1303e88cbaf14755863/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x564f846a1423 - std::rt::lang_start_internal::{{closure}}::hb57f5e2d13eee8db
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x564f846a1423 - std::panicking::try::do_call::h204ea578757a6ffa
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   20:     0x564f846aac67 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   21:     0x564f846a1ed9 - std::panicking::try::hbdab64151e1c9d96
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   22:     0x564f846a1ed9 - std::panic::catch_unwind::h354b07ea6be5bfc8
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x564f846a1ed9 - std::rt::lang_start_internal::h50f05845fa10b1fa
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   24:     0x564f845296e7 - std::rt::lang_start::h10dd770b0d3721ab
[INFO] [stderr]                                at /rustc/e2223c94bf433fc38234d1303e88cbaf14755863/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x564f8451aaea - main
[INFO] [stderr]   26:     0x7f62a4119b97 - __libc_start_main
[INFO] [stderr]   27:     0x564f84513b1a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "b7c996844ddca0e62b3c1a1d787e158a178c927888e04edd3b6ab8998ddbfd1c"`
[INFO] running `"docker" "rm" "-f" "b7c996844ddca0e62b3c1a1d787e158a178c927888e04edd3b6ab8998ddbfd1c"`
[INFO] [stdout] b7c996844ddca0e62b3c1a1d787e158a178c927888e04edd3b6ab8998ddbfd1c