[INFO] updating cached repository https://github.com/uzushino/crf-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43a43612c947b027b696f9b646481b4ace1547e6
[INFO] checking uzushino/crf-rs against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fcrf-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uzushino/crf-rs on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/uzushino/crf-rs
[INFO] finished tweaking git repo https://github.com/uzushino/crf-rs
[INFO] tweaked toml for git repo https://github.com/uzushino/crf-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/uzushino/crf-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 636edf372927569a9ee30f9970636072845c2ff1e73bb512b8e0ace6c1e56929
[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" "636edf372927569a9ee30f9970636072845c2ff1e73bb512b8e0ace6c1e56929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "636edf372927569a9ee30f9970636072845c2ff1e73bb512b8e0ace6c1e56929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "636edf372927569a9ee30f9970636072845c2ff1e73bb512b8e0ace6c1e56929", kill_on_drop: false }`
[INFO] [stdout] 636edf372927569a9ee30f9970636072845c2ff1e73bb512b8e0ace6c1e56929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 683a89a085015c85b30b1f918547f061e870ad90f8bdd3b1dcad9fb20d5c5001
[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" "683a89a085015c85b30b1f918547f061e870ad90f8bdd3b1dcad9fb20d5c5001", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.24
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling torch-sys v0.1.3
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.1.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-50f32ade824d3b4e/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:174
[INFO] [stderr]    7: std::rt::lang_start::{{closure}}
[INFO] [stderr]              at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/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:297
[INFO] [stderr]       std::panicking::try
[INFO] [stderr]              at src/libstd/panicking.rs:274
[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/c8bdaa84ec1b37f18f30375e196a65b7602f3790/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-0.1.3/build.rs:117:48
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x562c4d824c65 - backtrace::backtrace::libunwind::trace::hc3f32ba24d88242a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x562c4d824c65 - backtrace::backtrace::trace_unsynchronized::haad2590418eb4c26
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x562c4d824c65 - std::sys_common::backtrace::_print_fmt::h4397782fec59f199
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x562c4d824c65 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h39652f0242246c81
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x562c4d84b8ec - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x562c4d8208d3 - std::io::Write::write_fmt::haa03b5883ee9e297
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x562c4d827aa0 - std::sys_common::backtrace::_print::ha6d9bdf9f438acec
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x562c4d827aa0 - std::sys_common::backtrace::print::ha1fba17a8e5f6bc7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x562c4d827aa0 - std::panicking::default_hook::{{closure}}::ha3c41e6964bb5c0e
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x562c4d8277ec - std::panicking::default_hook::h39b8550780094336
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x562c4d8280d7 - std::panicking::rust_panic_with_hook::hc8b48ce48004c103
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]   11:     0x562c4d827cdb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:385
[INFO] [stderr]   12:     0x562c4d84acf1 - core::panicking::panic_fmt::h78830ea6a34e7206
[INFO] [stderr]                                at src/libcore/panicking.rs:86
[INFO] [stderr]   13:     0x562c4d84ab13 - core::option::expect_none_failed::hf79bbb5ca7e09e08
[INFO] [stderr]                                at src/libcore/option.rs:1272
[INFO] [stderr]   14:     0x562c4d6bdbe3 - core::result::Result<T,E>::unwrap::h911bbe4b4a9d4ff0
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libcore/result.rs:1005
[INFO] [stderr]   15:     0x562c4d6a9993 - build_script_build::prepare_libtorch_dir::h69c5e4187c8a8e8a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.3/build.rs:117
[INFO] [stderr]   16:     0x562c4d6aa9e4 - build_script_build::main::he5aea198f696fa2a
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.3/build.rs:174
[INFO] [stderr]   17:     0x562c4d6ae82b - std::rt::lang_start::{{closure}}::h4ed21c7bfedd9c6c
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x562c4d828568 - std::rt::lang_start_internal::{{closure}}::h980666b660b57c6b
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x562c4d828568 - std::panicking::try::do_call::h350bf2b82f81cf24
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   20:     0x562c4d828568 - std::panicking::try::hcafd728f614c0cb2
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   21:     0x562c4d828568 - std::panic::catch_unwind::h301dc6a83a38a171
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x562c4d828568 - std::rt::lang_start_internal::hf4abd869024c3270
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x562c4d6ae807 - std::rt::lang_start::h63fece526596ed66
[INFO] [stderr]                                at /rustc/c8bdaa84ec1b37f18f30375e196a65b7602f3790/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x562c4d6aae5a - main
[INFO] [stderr]   25:     0x7f4018b250b3 - __libc_start_main
[INFO] [stderr]   26:     0x562c4d6a40ce - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "683a89a085015c85b30b1f918547f061e870ad90f8bdd3b1dcad9fb20d5c5001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "683a89a085015c85b30b1f918547f061e870ad90f8bdd3b1dcad9fb20d5c5001", kill_on_drop: false }`
[INFO] [stdout] 683a89a085015c85b30b1f918547f061e870ad90f8bdd3b1dcad9fb20d5c5001