[INFO] fetching crate tch 0.2.0...
[INFO] checking tch-0.2.0 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate tch 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tch 0.2.0 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-8/source/.cargo/config
[INFO] started tweaking crates.io crate tch 0.2.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate tch 0.2.0
[INFO] tweaked toml for crates.io crate tch 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate tch 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e3574c95009d9b724fcbceb1ca1c3fc66bf51c99458b39ec04a32c605f40721
[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" "9e3574c95009d9b724fcbceb1ca1c3fc66bf51c99458b39ec04a32c605f40721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e3574c95009d9b724fcbceb1ca1c3fc66bf51c99458b39ec04a32c605f40721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e3574c95009d9b724fcbceb1ca1c3fc66bf51c99458b39ec04a32c605f40721", kill_on_drop: false }`
[INFO] [stdout] 9e3574c95009d9b724fcbceb1ca1c3fc66bf51c99458b39ec04a32c605f40721
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3366f52c72016c6c2d6bd56a040ae61690ec1be726686cb73e0df0acf34bcc7d
[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" "3366f52c72016c6c2d6bd56a040ae61690ec1be726686cb73e0df0acf34bcc7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling zip v0.5.5
[INFO] [stderr]     Checking ndarray v0.13.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]    Compiling torch-sys v0.2.0
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.2.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-1a0044d07f056f46/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/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:67
[INFO] [stderr]      8: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at library/std/src/rt.rs:52
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at library/std/src/panicking.rs:348
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at library/std/src/panicking.rs:325
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at library/std/src/panic.rs:394
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at library/std/src/rt.rs:51
[INFO] [stderr]      9: std::rt::lang_start
[INFO] [stderr]                at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:67
[INFO] [stderr]     10: main
[INFO] [stderr]     11: __libc_start_main
[INFO] [stderr]     12: _start
[INFO] [stderr]   ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.2.0/build.rs:122:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a28c6ee79f - std::backtrace_rs::backtrace::libunwind::trace::h21c0966c343fddd8
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x55a28c6ee79f - std::backtrace_rs::backtrace::trace_unsynchronized::h62cde0754779ae3a
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55a28c6ee79f - std::sys_common::backtrace::_print_fmt::hb2d70198918acf1c
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:77
[INFO] [stderr]      3:     0x55a28c6ee79f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h5a9d4ddd4d99b877
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x55a28c71179c - core::fmt::write::h3a043650ba7bf668
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/core/src/fmt/mod.rs:1117
[INFO] [stderr]      5:     0x55a28c6ea525 - std::io::Write::write_fmt::h2dbf1bb0d9f42142
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/io/mod.rs:1510
[INFO] [stderr]      6:     0x55a28c6f13f0 - std::sys_common::backtrace::_print::h1091565a54a3c462
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x55a28c6f13f0 - std::sys_common::backtrace::print::hc9759e13a502cda2
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x55a28c6f13f0 - std::panicking::default_hook::{{closure}}::hd35b8516a1d88160
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:198
[INFO] [stderr]      9:     0x55a28c6f113c - std::panicking::default_hook::h0dcf88ad4d72ec5e
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:217
[INFO] [stderr]     10:     0x55a28c6f1a33 - std::panicking::rust_panic_with_hook::h81c308f7accbe523
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:526
[INFO] [stderr]     11:     0x55a28c6f162b - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:437
[INFO] [stderr]     12:     0x55a28c710ba1 - core::panicking::panic_fmt::h019ad16a92ccd092
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/core/src/panicking.rs:85
[INFO] [stderr]     13:     0x55a28c7109c3 - core::option::expect_none_failed::h7135ba2fdb185931
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/core/src/option.rs:1274
[INFO] [stderr]     14:     0x55a28c57b073 - core::result::Result<T,E>::unwrap::hb678020771fc38ae
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/core/src/result.rs:1005
[INFO] [stderr]     15:     0x55a28c5639a7 - build_script_build::prepare_libtorch_dir::he67a5b217da2d77a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.2.0/build.rs:122
[INFO] [stderr]     16:     0x55a28c564c44 - build_script_build::main::h56d360108d44292a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.2.0/build.rs:194
[INFO] [stderr]     17:     0x55a28c56c22b - std::rt::lang_start::{{closure}}::hd9d41585cdf670ff
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:67
[INFO] [stderr]     18:     0x55a28c6f1f16 - std::rt::lang_start_internal::{{closure}}::hdb90dc0481c9e8f6
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:52
[INFO] [stderr]     19:     0x55a28c6f1f16 - std::panicking::try::do_call::he0af14a67f26ea71
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:348
[INFO] [stderr]     20:     0x55a28c6f1f16 - std::panicking::try::h87d5f0e2c2fee1c5
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panicking.rs:325
[INFO] [stderr]     21:     0x55a28c6f1f16 - std::panic::catch_unwind::he9266eec484f0287
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/panic.rs:394
[INFO] [stderr]     22:     0x55a28c6f1f16 - std::rt::lang_start_internal::hb54283a40e32dc37
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:51
[INFO] [stderr]     23:     0x55a28c56c207 - std::rt::lang_start::h4fe2eff0e75820a8
[INFO] [stderr]                                  at /rustc/119d2a1a98fe87d4ae6cabf12134a0ef2fb95851/library/std/src/rt.rs:67
[INFO] [stderr]     24:     0x55a28c56545a - main
[INFO] [stderr]     25:     0x7f2668f530b3 - __libc_start_main
[INFO] [stderr]     26:     0x55a28c5610ee - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3366f52c72016c6c2d6bd56a040ae61690ec1be726686cb73e0df0acf34bcc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3366f52c72016c6c2d6bd56a040ae61690ec1be726686cb73e0df0acf34bcc7d", kill_on_drop: false }`
[INFO] [stdout] 3366f52c72016c6c2d6bd56a040ae61690ec1be726686cb73e0df0acf34bcc7d