[INFO] fetching crate torch-sys 0.1.7...
[INFO] checking torch-sys-0.1.7 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate torch-sys 0.1.7 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate torch-sys 0.1.7 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate torch-sys 0.1.7
[INFO] finished tweaking crates.io crate torch-sys 0.1.7
[INFO] tweaked toml for crates.io crate torch-sys 0.1.7 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2707b89348d50bb9bb48569efaa76eac713656e9330ebf9f79f8e40d26e4c887
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2707b89348d50bb9bb48569efaa76eac713656e9330ebf9f79f8e40d26e4c887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2707b89348d50bb9bb48569efaa76eac713656e9330ebf9f79f8e40d26e4c887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2707b89348d50bb9bb48569efaa76eac713656e9330ebf9f79f8e40d26e4c887", kill_on_drop: false }`
[INFO] [stdout] 2707b89348d50bb9bb48569efaa76eac713656e9330ebf9f79f8e40d26e4c887
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 87ca6e0b01226001f3103bcbd59819de3f96cf9a7bfa060b6b1376ad38a27733
[INFO] running `Command { std: "docker" "start" "-a" "87ca6e0b01226001f3103bcbd59819de3f96cf9a7bfa060b6b1376ad38a27733", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling curl v0.4.30
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.32+curl-7.70.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.6
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling torch-sys v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.1.7 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-01f87a5794131dff/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]      0: failure::backtrace::internal::InternalBacktrace::new
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.8/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-0.1.8/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-0.1.8/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-0.1.8/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:182
[INFO] [stderr]      7: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/0ab79c4b48ad19260fa46623f452c1b403a360e8/src/libstd/rt.rs:67
[INFO] [stderr]      8: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/0ab79c4b48ad19260fa46623f452c1b403a360e8/src/libstd/rt.rs:52
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/0ab79c4b48ad19260fa46623f452c1b403a360e8/src/libstd/panicking.rs:348
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/0ab79c4b48ad19260fa46623f452c1b403a360e8/src/libstd/panicking.rs:325
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/0ab79c4b48ad19260fa46623f452c1b403a360e8/src/libstd/panic.rs:394
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/0ab79c4b48ad19260fa46623f452c1b403a360e8/src/libstd/rt.rs:51
[INFO] [stderr]      9: std::rt::lang_start
[INFO] [stderr]                at /rustc/0ab79c4b48ad19260fa46623f452c1b403a360e8/src/libstd/rt.rs:67
[INFO] [stderr]     10: main
[INFO] [stderr]     11: __libc_start_main
[INFO] [stderr]     12: _start
[INFO] [stderr]   ', build.rs:117:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55f19d30c5b5 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55f19d30c5b5 - backtrace::backtrace::trace_unsynchronized::hc29c6e6df26d44d7
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55f19d30c5b5 - std::sys_common::backtrace::_print_fmt::h4c9f4993b039bd03
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55f19d30c5b5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h91f5cfffa0da5a7a
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55f19d33343c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x55f19d3081c2 - std::io::Write::write_fmt::h5e28da8ce574bfe8
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x55f19d30f2d0 - std::sys_common::backtrace::_print::h0ceef71d03fb70bc
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55f19d30f2d0 - std::sys_common::backtrace::print::h1bacb65357a70fca
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55f19d30f2d0 - std::panicking::default_hook::{{closure}}::h249639eade443064
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55f19d30f01c - std::panicking::default_hook::hbe64ddeb621910df
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55f19d30f913 - std::panicking::rust_panic_with_hook::h16376479909ace6a
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55f19d30f50b - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55f19d332841 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x55f19d332663 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stderr]                                  at src/libcore/option.rs:1269
[INFO] [stderr]     14:     0x55f19d12acc3 - core::result::Result<T,E>::unwrap::h558349af2f95fe2c
[INFO] [stderr]                                  at /rustc/0ab79c4b48ad19260fa46623f452c1b403a360e8/src/libcore/result.rs:1005
[INFO] [stderr]     15:     0x55f19d1179cb - build_script_build::prepare_libtorch_dir::h84c776a0792fe1a3
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:117
[INFO] [stderr]     16:     0x55f19d118ae4 - build_script_build::main::he25ec01681d1c91e
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:182
[INFO] [stderr]     17:     0x55f19d11d2cb - std::rt::lang_start::{{closure}}::he25355afd1d5a1f8
[INFO] [stderr]                                  at /rustc/0ab79c4b48ad19260fa46623f452c1b403a360e8/src/libstd/rt.rs:67
[INFO] [stderr]     18:     0x55f19d30fdb3 - std::rt::lang_start_internal::{{closure}}::h6d7ca43fc52cff4a
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     19:     0x55f19d30fdb3 - std::panicking::try::do_call::h89610ba8f4fbfe54
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     20:     0x55f19d30fdb3 - std::panicking::try::h69595087e4498dc2
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     21:     0x55f19d30fdb3 - std::panic::catch_unwind::ha2aa2ebd78a46e0d
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     22:     0x55f19d30fdb3 - std::rt::lang_start_internal::h2ae59503bb8c048c
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     23:     0x55f19d11d2a7 - std::rt::lang_start::h58a479c62d385937
[INFO] [stderr]                                  at /rustc/0ab79c4b48ad19260fa46623f452c1b403a360e8/src/libstd/rt.rs:67
[INFO] [stderr]     24:     0x55f19d1192fa - main
[INFO] [stderr]     25:     0x7f12999c70b3 - __libc_start_main
[INFO] [stderr]     26:     0x55f19d11210e - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "87ca6e0b01226001f3103bcbd59819de3f96cf9a7bfa060b6b1376ad38a27733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ca6e0b01226001f3103bcbd59819de3f96cf9a7bfa060b6b1376ad38a27733", kill_on_drop: false }`
[INFO] [stdout] 87ca6e0b01226001f3103bcbd59819de3f96cf9a7bfa060b6b1376ad38a27733