[INFO] cloning 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" "clone" "--bare" "https://github.com/uzushino/crf-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fcrf-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fcrf-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43a43612c947b027b696f9b646481b4ace1547e6
[INFO] checking uzushino/crf-rs against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fcrf-rs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uzushino/crf-rs on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-3/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" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac12cadc1e07e93f562b3a6205e2fb1ce12f99022fe8cba45f0e7a31469112bd
[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" "ac12cadc1e07e93f562b3a6205e2fb1ce12f99022fe8cba45f0e7a31469112bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac12cadc1e07e93f562b3a6205e2fb1ce12f99022fe8cba45f0e7a31469112bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac12cadc1e07e93f562b3a6205e2fb1ce12f99022fe8cba45f0e7a31469112bd", kill_on_drop: false }`
[INFO] [stdout] ac12cadc1e07e93f562b3a6205e2fb1ce12f99022fe8cba45f0e7a31469112bd
[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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b680ac8597d4d7da2eac53de971ca227d72a546ce26d4a3218977d61d32e5b96
[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" "b680ac8597d4d7da2eac53de971ca227d72a546ce26d4a3218977d61d32e5b96", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling curl-sys v0.4.24
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.6
[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-1bafff1f32a135e5/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: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:227
[INFO] [stderr]      8: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]      9: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:66
[INFO] [stderr]     10: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at library/std/src/panicking.rs:379
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at library/std/src/panicking.rs:343
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at library/std/src/panic.rs:431
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at library/std/src/rt.rs:51
[INFO] [stderr]     11: std::rt::lang_start
[INFO] [stderr]                at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:65
[INFO] [stderr]     12: main
[INFO] [stderr]     13: __libc_start_main
[INFO] [stderr]     14: _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:     0x5612196721b0 - std::backtrace_rs::backtrace::libunwind::trace::hfe3b1cace85e87d8
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5612196721b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h542330af06479043
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5612196721b0 - std::sys_common::backtrace::_print_fmt::h6b88726367858985
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5612196721b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcd76ce6b485adbea
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56121968fb7f - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x56121966e7b2 - std::io::Write::write_fmt::h0facb64ef2e7f5d8
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/io/mod.rs:1567:15
[INFO] [stderr]      6:     0x561219674755 - std::sys_common::backtrace::_print::h7bf1633ea5421f7b
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x561219674755 - std::sys_common::backtrace::print::h5cc4d09049928ba5
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x561219674755 - std::panicking::default_hook::{{closure}}::h9e84dc005bfc9fc7
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x561219674203 - std::panicking::default_hook::h123278a03b1f796b
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x561219674d5d - std::panicking::rust_panic_with_hook::h4040631aa6c7bc27
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x5612196748f7 - std::panicking::begin_panic_handler::{{closure}}::h02a17b22ac092d08
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x56121967266c - std::sys_common::backtrace::__rust_end_short_backtrace::h6063b024443b5852
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x561219674859 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5612194f4821 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5612194f4713 - core::option::expect_none_failed::h354eaa93a51d71b8
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/option.rs:1329:5
[INFO] [stderr]     16:     0x5612194fb1c0 - core::result::Result<T,E>::unwrap::h900bf519c8383575
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x56121950c8c0 - build_script_build::prepare_libtorch_dir::hf782406901fa8ece
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.3/build.rs:117:13
[INFO] [stderr]     18:     0x56121950da11 - build_script_build::main::h3b30db2c8d608f87
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.3/build.rs:174:20
[INFO] [stderr]     19:     0x561219503c1b - core::ops::function::FnOnce::call_once::hf271d28fb5668467
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x56121950343e - std::sys_common::backtrace::__rust_begin_short_backtrace::h3fd5e94103f54255
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x5612194fef21 - std::rt::lang_start::{{closure}}::h19eb180292586809
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x56121967525a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3695a3fbbe44c001
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x56121967525a - std::panicking::try::do_call::he9f4b5f706c7e58d
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x56121967525a - std::panicking::try::h789d448ccf87fe6d
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x56121967525a - std::panic::catch_unwind::h7a6b31f16004913a
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x56121967525a - std::rt::lang_start_internal::h80897b41b254b288
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x5612194fef00 - std::rt::lang_start::hd296b78b9469de9d
[INFO] [stderr]                                  at /rustc/195ad4830e11a544391abe296b146450dea8411b/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x56121950de8c - main
[INFO] [stderr]     29:     0x7fa9522be0b3 - __libc_start_main
[INFO] [stderr]     30:     0x5612194f4eae - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b680ac8597d4d7da2eac53de971ca227d72a546ce26d4a3218977d61d32e5b96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b680ac8597d4d7da2eac53de971ca227d72a546ce26d4a3218977d61d32e5b96", kill_on_drop: false }`
[INFO] [stdout] b680ac8597d4d7da2eac53de971ca227d72a546ce26d4a3218977d61d32e5b96