[INFO] fetching crate nnsplit 0.2.2...
[INFO] checking nnsplit-0.2.2 against try#89c05fd3cc6404a13e1bd71450c6132a2755fa4b for pr-69741
[INFO] extracting crate nnsplit 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nnsplit 0.2.2 on toolchain 89c05fd3cc6404a13e1bd71450c6132a2755fa4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate nnsplit 0.2.2
[INFO] finished tweaking crates.io crate nnsplit 0.2.2
[INFO] tweaked toml for crates.io crate nnsplit 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate nnsplit 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tch v0.1.6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "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] f28d894d134ba6dcc93fa908a2d32ef2aa7e4bc4dd3c4b78cd58b028d02f8245
[INFO] running `"docker" "start" "-a" "f28d894d134ba6dcc93fa908a2d32ef2aa7e4bc4dd3c4b78cd58b028d02f8245"`
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.4
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling torch-sys v0.1.6
[INFO] [stderr]    Compiling nnsplit v0.2.2 (/opt/rustwide/workdir)
[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-e1fb706adcb5272d/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/89c05fd3cc6404a13e1bd71450c6132a2755fa4b/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/89c05fd3cc6404a13e1bd71450c6132a2755fa4b/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:     0x563da85f1964 - backtrace::backtrace::libunwind::trace::h91d1589f784e7177
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x563da85f1964 - backtrace::backtrace::trace_unsynchronized::h9ec8949702a1f108
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.44/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x563da85f1964 - std::sys_common::backtrace::_print_fmt::h97468752f36a9a0e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x563da85f1964 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha27a4263940af5a9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x563da86146ec - core::fmt::write::h061ec21cc1fda96c
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1063
[INFO] [stderr]    5:     0x563da85ed747 - std::io::Write::write_fmt::ha58db9b6b5ace99d
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x563da85f46f5 - std::sys_common::backtrace::_print::h92d96c5907bac82b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x563da85f46f5 - std::sys_common::backtrace::print::hb08c4606d19eee23
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x563da85f46f5 - std::panicking::default_hook::{{closure}}::h28e247f6a0250f5d
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x563da85f4442 - std::panicking::default_hook::h3647fb19c6fd2d5c
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x563da85f4d52 - std::panicking::rust_panic_with_hook::h38d69a94e615bc72
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x563da85f493b - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:378
[INFO] [stderr]   12:     0x563da8613a61 - core::panicking::panic_fmt::h10c0fe8e0cb427e3
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   13:     0x563da8613883 - core::option::expect_none_failed::h1d7bc77851f45376
[INFO] [stderr]                                at src/libcore/option.rs:1211
[INFO] [stderr]   14:     0x563da84812f3 - core::result::Result<T,E>::unwrap::hb4969b76d76809dc
[INFO] [stderr]                                at /rustc/89c05fd3cc6404a13e1bd71450c6132a2755fa4b/src/libcore/result.rs:1003
[INFO] [stderr]   15:     0x563da8472113 - build_script_build::prepare_libtorch_dir::h61bbc2cff82384a6
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.6/build.rs:117
[INFO] [stderr]   16:     0x563da8473164 - build_script_build::main::h8acc5782c1b2d305
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.6/build.rs:175
[INFO] [stderr]   17:     0x563da84809cb - std::rt::lang_start::{{closure}}::h96765e7d871c8b43
[INFO] [stderr]                                at /rustc/89c05fd3cc6404a13e1bd71450c6132a2755fa4b/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x563da85f4813 - std::rt::lang_start_internal::{{closure}}::hf3e6a4ec162517f7
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x563da85f4813 - std::panicking::try::do_call::h77ed59d4706bc4a8
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   20:     0x563da85fe367 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   21:     0x563da85f534b - std::panicking::try::h3e27a5213663f467
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   22:     0x563da85f534b - std::panic::catch_unwind::ha46de5fecc0d9a90
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x563da85f534b - std::rt::lang_start_internal::hb81abf531274a39e
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   24:     0x563da84809a7 - std::rt::lang_start::h6a93c33a067e393d
[INFO] [stderr]                                at /rustc/89c05fd3cc6404a13e1bd71450c6132a2755fa4b/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x563da847360a - main
[INFO] [stderr]   26:     0x7f70b0dd5b97 - __libc_start_main
[INFO] [stderr]   27:     0x563da846c82a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "f28d894d134ba6dcc93fa908a2d32ef2aa7e4bc4dd3c4b78cd58b028d02f8245"`
[INFO] running `"docker" "rm" "-f" "f28d894d134ba6dcc93fa908a2d32ef2aa7e4bc4dd3c4b78cd58b028d02f8245"`
[INFO] [stdout] f28d894d134ba6dcc93fa908a2d32ef2aa7e4bc4dd3c4b78cd58b028d02f8245