[INFO] fetching crate tch-serde 0.3.0...
[INFO] checking tch-serde-0.3.0 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate tch-serde 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tch-serde 0.3.0 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tch-serde 0.3.0
[INFO] finished tweaking crates.io crate tch-serde 0.3.0
[INFO] tweaked toml for crates.io crate tch-serde 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate tch-serde 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", 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] e2af4e2604485b8b336e3dcc42e801b9e3d74e29429248c7581ea273db9db4e6
[INFO] running `Command { std: "docker" "start" "-a" "e2af4e2604485b8b336e3dcc42e801b9e3d74e29429248c7581ea273db9db4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2af4e2604485b8b336e3dcc42e801b9e3d74e29429248c7581ea273db9db4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2af4e2604485b8b336e3dcc42e801b9e3d74e29429248c7581ea273db9db4e6", kill_on_drop: false }`
[INFO] [stdout] e2af4e2604485b8b336e3dcc42e801b9e3d74e29429248c7581ea273db9db4e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d79fa2007ec569f99aa1c18a5a81e1b0a25628c1a656fcbb939597e7bf23ecc
[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" "1d79fa2007ec569f99aa1c18a5a81e1b0a25628c1a656fcbb939597e7bf23ecc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]     Checking getrandom v0.1.15
[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]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]    Compiling torch-sys v0.3.0
[INFO] [stderr]     Checking serde v1.0.116
[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-2109d2ffb61d2930/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: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/2ad5292aea6328113b55968b4322528d48261316/library/core/src/ops/function.rs:227
[INFO] [stderr]      8: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]      9: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/2ad5292aea6328113b55968b4322528d48261316/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/2ad5292aea6328113b55968b4322528d48261316/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:379
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:343
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panic.rs:396
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/rt.rs:51
[INFO] [stderr]     11: std::rt::lang_start
[INFO] [stderr]                at /rustc/2ad5292aea6328113b55968b4322528d48261316/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:     0x55660588a5c7 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55660588a5c7 - std::backtrace_rs::backtrace::trace_unsynchronized::h84373278bfb39e0c
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55660588a5c7 - std::sys_common::backtrace::_print_fmt::h517324efde750597
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55660588a5c7 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf594ab77fac89284
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5566058a8e4c - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x556605885e62 - std::io::Write::write_fmt::h3f6656f045fa877f
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x55660588cda5 - std::sys_common::backtrace::_print::hda7655c057c24dcc
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55660588cda5 - std::sys_common::backtrace::print::h546a6c8431d46287
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55660588cda5 - std::panicking::default_hook::{{closure}}::h006dd083853faf51
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55660588c8fa - std::panicking::default_hook::hf0f9afb1017317fc
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55660588d541 - std::panicking::rust_panic_with_hook::hb7a19826c029b1d6
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55660588d087 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55660588aa8c - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55660588cfe9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5566058a8221 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5566058a8043 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x55660567c143 - core::result::Result<T,E>::unwrap::h71bf4ccbfcde3b2f
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x556605664c0f - build_script_build::prepare_libtorch_dir::h82164675ad4b7c69
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.3.0/build.rs:133:13
[INFO] [stderr]     18:     0x556605666004 - build_script_build::main::h40f31157ad26b426
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.3.0/build.rs:205:24
[INFO] [stderr]     19:     0x55660567750b - core::ops::function::FnOnce::call_once::h5fdc0b03014c7569
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55660567b9be - std::sys_common::backtrace::__rust_begin_short_backtrace::h74277090267e2889
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55660566ea01 - std::rt::lang_start::{{closure}}::h1030e2932609c334
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x55660588da57 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h54c39b9b8451875a
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55660588da57 - std::panicking::try::do_call::hcdfba51a06e21b42
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x55660588da57 - std::panicking::try::h77386c66889b2066
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x55660588da57 - std::panic::catch_unwind::hc55a0d8aadca44f0
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x55660588da57 - std::rt::lang_start_internal::h97dca9624db2aa85
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x55660566e9d7 - std::rt::lang_start::hffa99d306bf73c5f
[INFO] [stderr]                                  at /rustc/2ad5292aea6328113b55968b4322528d48261316/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x556605666b5a - main
[INFO] [stderr]     29:     0x7fdc398b50b3 - __libc_start_main
[INFO] [stderr]     30:     0x5566056620ee - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1d79fa2007ec569f99aa1c18a5a81e1b0a25628c1a656fcbb939597e7bf23ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d79fa2007ec569f99aa1c18a5a81e1b0a25628c1a656fcbb939597e7bf23ecc", kill_on_drop: false }`
[INFO] [stdout] 1d79fa2007ec569f99aa1c18a5a81e1b0a25628c1a656fcbb939597e7bf23ecc