[INFO] fetching crate tch 0.3.0...
[INFO] checking tch-0.3.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate tch 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tch 0.3.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/.cargo/config
[INFO] started tweaking crates.io crate tch 0.3.0
[INFO] removed 1 missing examples
[INFO] finished tweaking crates.io crate tch 0.3.0
[INFO] tweaked toml for crates.io crate tch 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tch 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded python3-sys v0.2.1
[INFO] [stderr]   Downloaded cpython v0.2.1
[INFO] [stderr]   Downloaded curl-sys v0.4.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46f6b0502972e3904c6ae1af3b42ac80084d8a6a240df457f996807a5cd7e653
[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" "46f6b0502972e3904c6ae1af3b42ac80084d8a6a240df457f996807a5cd7e653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46f6b0502972e3904c6ae1af3b42ac80084d8a6a240df457f996807a5cd7e653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f6b0502972e3904c6ae1af3b42ac80084d8a6a240df457f996807a5cd7e653", kill_on_drop: false }`
[INFO] [stdout] 46f6b0502972e3904c6ae1af3b42ac80084d8a6a240df457f996807a5cd7e653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdb2ce3610c39a6196672a9aefcc5cd4cee32d3ad53c74ff9add79a148c77277
[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" "bdb2ce3610c39a6196672a9aefcc5cd4cee32d3ad53c74ff9add79a148c77277", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.24
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling zip v0.5.3
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]    Compiling torch-sys v0.3.0
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.3.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-f00735221cf0c033/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]   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:133
[INFO] [stderr]      6: build_script_build::main
[INFO] [stderr]                at build.rs:205
[INFO] [stderr]      7: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/ops/function.rs:227
[INFO] [stderr]      8: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]      9: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/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/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991//library/std/src/panicking.rs:379
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991//library/std/src/panicking.rs:343
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991//library/std/src/panic.rs:396
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991//library/std/src/rt.rs:51
[INFO] [stderr]     11: std::rt::lang_start
[INFO] [stderr]                at /rustc/81275a1445c7502a974118e0c69b795ab60be991/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-0.3.0/build.rs:133:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55907a7f4aa7 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55907a7f4aa7 - std::backtrace_rs::backtrace::trace_unsynchronized::h84373278bfb39e0c
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55907a7f4aa7 - std::sys_common::backtrace::_print_fmt::h517324efde750597
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55907a7f4aa7 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf594ab77fac89284
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55907a8131fc - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55907a7f0342 - std::io::Write::write_fmt::h3f6656f045fa877f
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x55907a7f7265 - std::sys_common::backtrace::_print::hda7655c057c24dcc
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55907a7f7265 - std::sys_common::backtrace::print::h546a6c8431d46287
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55907a7f7265 - std::panicking::default_hook::{{closure}}::h006dd083853faf51
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55907a7f6dba - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55907a7f7a01 - std::panicking::rust_panic_with_hook::hb7a19826c029b1d6
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55907a7f7547 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55907a7f4f6c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55907a7f74a9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55907a8125d1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55907a8123f3 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x55907a673ec3 - core::result::Result<T,E>::unwrap::h5d57299097b44d8e
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x55907a66cbbf - build_script_build::prepare_libtorch_dir::h9809ebd04baefb3f
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.3.0/build.rs:133:13
[INFO] [stderr]     18:     0x55907a66dfa4 - build_script_build::main::h9fa684c88cac40f7
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.3.0/build.rs:205:24
[INFO] [stderr]     19:     0x55907a676b0b - core::ops::function::FnOnce::call_once::h5321cb8fee89fddd
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55907a682b8e - std::sys_common::backtrace::__rust_begin_short_backtrace::h90c6de244924fd96
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55907a676851 - std::rt::lang_start::{{closure}}::hb5f97e01188cfce5
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x55907a7f7f17 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55907a7f7f17 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x55907a7f7f17 - std::panicking::try::h77386c66889b2066
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x55907a7f7f17 - std::panic::catch_unwind::hc55a0d8aadca44f0
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x55907a7f7f17 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x55907a676827 - std::rt::lang_start::hdf460a375586a4d3
[INFO] [stderr]                                  at /rustc/81275a1445c7502a974118e0c69b795ab60be991/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x55907a66eafa - main
[INFO] [stderr]     29:     0x7f537a8df0b3 - __libc_start_main
[INFO] [stderr]     30:     0x55907a66a09e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "bdb2ce3610c39a6196672a9aefcc5cd4cee32d3ad53c74ff9add79a148c77277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb2ce3610c39a6196672a9aefcc5cd4cee32d3ad53c74ff9add79a148c77277", kill_on_drop: false }`
[INFO] [stdout] bdb2ce3610c39a6196672a9aefcc5cd4cee32d3ad53c74ff9add79a148c77277