[INFO] crate tch 0.1.7 is already in cache
[INFO] checking tch-0.1.7 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] extracting crate tch 0.1.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tch 0.1.7 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate tch 0.1.7
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate tch 0.1.7
[INFO] tweaked toml for crates.io crate tch 0.1.7 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate tch 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16d7cc007fb8eec62232ddae70726f2e3eb9db2307b5a3a756a99440d31babf6
[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" "16d7cc007fb8eec62232ddae70726f2e3eb9db2307b5a3a756a99440d31babf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16d7cc007fb8eec62232ddae70726f2e3eb9db2307b5a3a756a99440d31babf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d7cc007fb8eec62232ddae70726f2e3eb9db2307b5a3a756a99440d31babf6", kill_on_drop: false }`
[INFO] [stdout] 16d7cc007fb8eec62232ddae70726f2e3eb9db2307b5a3a756a99440d31babf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "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] 40d6e9a11403c9650c504fccd9a52c083d0ac9a349df7d513152aa1b88a93ea8
[INFO] running `Command { std: "docker" "start" "-a" "40d6e9a11403c9650c504fccd9a52c083d0ac9a349df7d513152aa1b88a93ea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling curl v0.4.28
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.30+curl-7.69.1
[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 miniz_oxide v0.3.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.5
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling torch-sys v0.1.7
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.1.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-6d9d13570592210d/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-0.1.7/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-0.1.7/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-0.1.7/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-0.1.7/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/85cc1486e1f000dce4bb8e1b3cfab2b654b102a8/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:348
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at src/libstd/panicking.rs:325
[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]      9: std::rt::lang_start
[INFO] [stderr]                at /rustc/85cc1486e1f000dce4bb8e1b3cfab2b654b102a8/src/libstd/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-0.1.7/build.rs:117:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55a468f46805 - backtrace::backtrace::libunwind::trace::h34afbfad7fd770fc
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x55a468f46805 - backtrace::backtrace::trace_unsynchronized::h460d522b1619a600
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x55a468f46805 - std::sys_common::backtrace::_print_fmt::ha45fac10086813b4
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x55a468f46805 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hde84f63fcfd0e6de
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x55a468f6d23c - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x55a468f42412 - std::io::Write::write_fmt::hc344eafd6e850b4d
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1537
[INFO] [stderr]      6:     0x55a468f49500 - std::sys_common::backtrace::_print::h4db88ff15cb5d61d
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x55a468f49500 - std::sys_common::backtrace::print::h5fc39e1b1f610bd3
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x55a468f49500 - std::panicking::default_hook::{{closure}}::h59e55edacb1d974a
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x55a468f4924c - std::panicking::default_hook::heee4c8016dfbf328
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x55a468f49b43 - std::panicking::rust_panic_with_hook::h8405b6301c79fb5a
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x55a468f4973b - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x55a468f6c641 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stderr]                                  at src/libcore/panicking.rs:85
[INFO] [stderr]     13:     0x55a468f6c463 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stderr]                                  at src/libcore/option.rs:1269
[INFO] [stderr]     14:     0x55a468ddcf43 - core::result::Result<T,E>::unwrap::hb74be5eda5c82adb
[INFO] [stderr]                                  at /rustc/85cc1486e1f000dce4bb8e1b3cfab2b654b102a8/src/libcore/result.rs:1005
[INFO] [stderr]     15:     0x55a468dc89ab - build_script_build::prepare_libtorch_dir::h4eab0c0032ac06bb
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.7/build.rs:117
[INFO] [stderr]     16:     0x55a468dc9ab4 - build_script_build::main::h42c782d0836dacc8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.7/build.rs:182
[INFO] [stderr]     17:     0x55a468dcdfab - std::rt::lang_start::{{closure}}::h3d02eb720c513256
[INFO] [stderr]                                  at /rustc/85cc1486e1f000dce4bb8e1b3cfab2b654b102a8/src/libstd/rt.rs:67
[INFO] [stderr]     18:     0x55a468f49fe3 - std::rt::lang_start_internal::{{closure}}::h7cea099ad4edf1eb
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     19:     0x55a468f49fe3 - std::panicking::try::do_call::h42d93372c44025d2
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     20:     0x55a468f49fe3 - std::panicking::try::hb47a4182362d3341
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     21:     0x55a468f49fe3 - std::panic::catch_unwind::h2afcfbf3125915b4
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     22:     0x55a468f49fe3 - std::rt::lang_start_internal::h4f696727fe904f48
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     23:     0x55a468dcdf87 - std::rt::lang_start::h2c709eedb4c604fa
[INFO] [stderr]                                  at /rustc/85cc1486e1f000dce4bb8e1b3cfab2b654b102a8/src/libstd/rt.rs:67
[INFO] [stderr]     24:     0x55a468dca2ca - main
[INFO] [stderr]     25:     0x7fc2ff61d0b3 - __libc_start_main
[INFO] [stderr]     26:     0x55a468dc30fe - _start
[INFO] [stderr]     27:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "40d6e9a11403c9650c504fccd9a52c083d0ac9a349df7d513152aa1b88a93ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d6e9a11403c9650c504fccd9a52c083d0ac9a349df7d513152aa1b88a93ea8", kill_on_drop: false }`
[INFO] [stdout] 40d6e9a11403c9650c504fccd9a52c083d0ac9a349df7d513152aa1b88a93ea8