[INFO] fetching crate torch-sys 0.2.0...
[INFO] checking torch-sys-0.2.0 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate torch-sys 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate torch-sys 0.2.0 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate torch-sys 0.2.0
[INFO] finished tweaking crates.io crate torch-sys 0.2.0
[INFO] tweaked toml for crates.io crate torch-sys 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", 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] 2117bce0bb7d7e19c019c5ec81a3709f422c67ebbe61910595ccd2669cb4ae4f
[INFO] running `Command { std: "docker" "start" "-a" "2117bce0bb7d7e19c019c5ec81a3709f422c67ebbe61910595ccd2669cb4ae4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2117bce0bb7d7e19c019c5ec81a3709f422c67ebbe61910595ccd2669cb4ae4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2117bce0bb7d7e19c019c5ec81a3709f422c67ebbe61910595ccd2669cb4ae4f", kill_on_drop: false }`
[INFO] [stdout] 2117bce0bb7d7e19c019c5ec81a3709f422c67ebbe61910595ccd2669cb4ae4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 396674f09d0c71d65f685fda5d709b7b38583098aac9d2c9229dbfe9a9b26998
[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" "396674f09d0c71d65f685fda5d709b7b38583098aac9d2c9229dbfe9a9b26998", kill_on_drop: false }`
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.6
[INFO] [stderr]    Compiling torch-sys v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-874316e060030991/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-env-changed=TORCH_CUDA_VERSION
[INFO] [stderr]   cargo:rerun-if-env-changed=LIBTORCH
[INFO] [stderr] 
[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:122
[INFO] [stderr]      6: build_script_build::main
[INFO] [stderr]                at build.rs:194
[INFO] [stderr]      7: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:67
[INFO] [stderr]      8: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:52
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:348
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:325
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panic.rs:394
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:51
[INFO] [stderr]      9: std::rt::lang_start
[INFO] [stderr]                at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:67
[INFO] [stderr]     10: main
[INFO] [stderr]     11: __libc_start_main
[INFO] [stderr]     12: _start
[INFO] [stderr]   ', build.rs:122:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55d7fb7a5e6f - std::backtrace_rs::backtrace::libunwind::trace::h21c0966c343fddd8
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55d7fb7a5e6f - std::backtrace_rs::backtrace::trace_unsynchronized::h62cde0754779ae3a
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55d7fb7a5e6f - std::sys_common::backtrace::_print_fmt::hb2d70198918acf1c
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x55d7fb7a5e6f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5a9d4ddd4d99b877
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55d7fb7c8f9c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x55d7fb7a1bf5 - std::io::Write::write_fmt::h2dbf1bb0d9f42142
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x55d7fb7a8ae0 - std::sys_common::backtrace::_print::h1091565a54a3c462
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55d7fb7a8ae0 - std::sys_common::backtrace::print::hc9759e13a502cda2
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55d7fb7a8ae0 - std::panicking::default_hook::{{closure}}::hd35b8516a1d88160
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:198
[INFO] [stderr]      9:     0x55d7fb7a882c - std::panicking::default_hook::h0dcf88ad4d72ec5e
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:217
[INFO] [stderr]     10:     0x55d7fb7a9123 - std::panicking::rust_panic_with_hook::h81c308f7accbe523
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:526
[INFO] [stderr]     11:     0x55d7fb7a8d1b - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:437
[INFO] [stderr]     12:     0x55d7fb7c83a1 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/panicking.rs:85
[INFO] [stderr]     13:     0x55d7fb7c81c3 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/option.rs:1274
[INFO] [stderr]     14:     0x55d7fb5aef63 - core::result::Result<T,E>::unwrap::hec28fd5abad1eb39
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/core/src/result.rs:1005
[INFO] [stderr]     15:     0x55d7fb5979c7 - build_script_build::prepare_libtorch_dir::h311025805d9b4aac
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:122
[INFO] [stderr]     16:     0x55d7fb598c64 - build_script_build::main::h92a6b356466c010e
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:194
[INFO] [stderr]     17:     0x55d7fb5a04cb - std::rt::lang_start::{{closure}}::h2cda3512e9ad9fd2
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:67
[INFO] [stderr]     18:     0x55d7fb7a9606 - std::rt::lang_start_internal::{{closure}}::hdb90dc0481c9e8f6
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:52
[INFO] [stderr]     19:     0x55d7fb7a9606 - std::panicking::try::do_call::he0af14a67f26ea71
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:348
[INFO] [stderr]     20:     0x55d7fb7a9606 - std::panicking::try::h87d5f0e2c2fee1c5
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panicking.rs:325
[INFO] [stderr]     21:     0x55d7fb7a9606 - std::panic::catch_unwind::he9266eec484f0287
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/panic.rs:394
[INFO] [stderr]     22:     0x55d7fb7a9606 - std::rt::lang_start_internal::hb54283a40e32dc37
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:51
[INFO] [stderr]     23:     0x55d7fb5a04a7 - std::rt::lang_start::h493ba4a561cda593
[INFO] [stderr]                                  at /rustc/db870ea71b6dcc7a91b999420b88f41d3cdd13e1/library/std/src/rt.rs:67
[INFO] [stderr]     24:     0x55d7fb59947a - main
[INFO] [stderr]     25:     0x7f0e229ed0b3 - __libc_start_main
[INFO] [stderr]     26:     0x55d7fb5950fe - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "396674f09d0c71d65f685fda5d709b7b38583098aac9d2c9229dbfe9a9b26998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396674f09d0c71d65f685fda5d709b7b38583098aac9d2c9229dbfe9a9b26998", kill_on_drop: false }`
[INFO] [stdout] 396674f09d0c71d65f685fda5d709b7b38583098aac9d2c9229dbfe9a9b26998