[INFO] fetching crate tch-serde 0.3.1...
[INFO] checking tch-serde-0.3.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate tch-serde 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tch-serde 0.3.1 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tch-serde 0.3.1
[INFO] finished tweaking crates.io crate tch-serde 0.3.1
[INFO] tweaked toml for crates.io crate tch-serde 0.3.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate tch-serde 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.23
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded curl v0.4.33
[INFO] [stderr]   Downloaded curl-sys v0.4.36+curl-7.71.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae047e3c1be5ef5f6874f25ee1c4b7fd30b549527c07f758653d14f124a9511f
[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" "ae047e3c1be5ef5f6874f25ee1c4b7fd30b549527c07f758653d14f124a9511f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae047e3c1be5ef5f6874f25ee1c4b7fd30b549527c07f758653d14f124a9511f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae047e3c1be5ef5f6874f25ee1c4b7fd30b549527c07f758653d14f124a9511f", kill_on_drop: false }`
[INFO] [stdout] ae047e3c1be5ef5f6874f25ee1c4b7fd30b549527c07f758653d14f124a9511f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b252cb4a13387ce663753e7f8f0542452136b2073f0cf818f434d9bc1b084787
[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" "b252cb4a13387ce663753e7f8f0542452136b2073f0cf818f434d9bc1b084787", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking rand_core v0.5.1
[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]    Compiling quote v1.0.7
[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 flate2 v1.0.14
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling socket2 v0.3.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]    Compiling torch-sys v0.3.1
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.3.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-4cf7afaa32e2120c/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: [6] Couldn't resolve host name
[INFO] [stderr] 
[INFO] [stderr]   Stack backtrace:
[INFO] [stderr]      0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/anyhow-1.0.32/src/error.rs:472:25
[INFO] [stderr]      1: build_script_build::download
[INFO] [stderr]                at ./build.rs:26:19
[INFO] [stderr]      2: build_script_build::prepare_libtorch_dir
[INFO] [stderr]                at ./build.rs:129:13
[INFO] [stderr]      3: build_script_build::main
[INFO] [stderr]                at ./build.rs:202:24
[INFO] [stderr]      4: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/core/src/ops/function.rs:227:5
[INFO] [stderr]      5: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]      6: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/rt.rs:66:18
[INFO] [stderr]      7: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/core/src/ops/function.rs:259:13
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:379:40
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:343:19
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panic.rs:431:14
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/rt.rs:51:25
[INFO] [stderr]      8: std::rt::lang_start
[INFO] [stderr]                at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/rt.rs:65:5
[INFO] [stderr]      9: main
[INFO] [stderr]     10: __libc_start_main
[INFO] [stderr]     11: _start', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.3.1/build.rs:129:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56431bbc56f0 - std::backtrace_rs::backtrace::libunwind::trace::hb4de9797f80b7b8c
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56431bbc56f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h59566d0bd20efff7
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56431bbc56f0 - std::sys_common::backtrace::_print_fmt::hcfa5ce6be50275d4
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56431bbc56f0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd8c307a38b9bab04
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56431bbe440c - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/core/src/fmt/mod.rs:1096:17
[INFO] [stderr]      5:     0x56431bbc0f82 - std::io::Write::write_fmt::hab90295d5a0f197d
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/io/mod.rs:1568:15
[INFO] [stderr]      6:     0x56431bbc7e25 - std::sys_common::backtrace::_print::h19224910b8700cf1
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56431bbc7e25 - std::sys_common::backtrace::print::h25dedfa68c5fb84a
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56431bbc7e25 - std::panicking::default_hook::{{closure}}::h12c5765653a72a42
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56431bbc7983 - std::panicking::default_hook::he65cee71c4209f0c
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56431bbc85c1 - std::panicking::rust_panic_with_hook::h01a674d863fe0d8a
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x56431bbc8107 - std::panicking::begin_panic_handler::{{closure}}::h9b9fecf185178864
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x56431bbc5b8c - std::sys_common::backtrace::__rust_end_short_backtrace::h57be46a42dc7f24b
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56431bbc8069 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x56431bbe37e1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56431bbe3603 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/core/src/option.rs:1300:5
[INFO] [stderr]     16:     0x56431ba5ce82 - core::result::Result<T,E>::unwrap::h613dfe785bd0c859
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x56431ba558eb - build_script_build::prepare_libtorch_dir::h40f90798477bb591
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.3.1/build.rs:129:13
[INFO] [stderr]     18:     0x56431ba56be4 - build_script_build::main::he093e8b93397a8af
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.3.1/build.rs:202:24
[INFO] [stderr]     19:     0x56431ba5b06b - core::ops::function::FnOnce::call_once::h166088139ecd2ac1
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x56431ba5ddce - std::sys_common::backtrace::__rust_begin_short_backtrace::h97f4f85de3ef9a26
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x56431ba6b161 - std::rt::lang_start::{{closure}}::h1b23b3a8f510f856
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x56431bbc8ad7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2c4fd7d4128112a8
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x56431bbc8ad7 - std::panicking::try::do_call::h41fb7dbbbe7bece6
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x56431bbc8ad7 - std::panicking::try::hd38008ccba72bce1
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x56431bbc8ad7 - std::panic::catch_unwind::h057e765cd60f2d13
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x56431bbc8ad7 - std::rt::lang_start_internal::hdb9d0b9d2cdcda8b
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x56431ba6b137 - std::rt::lang_start::hb0413f9efe35baa3
[INFO] [stderr]                                  at /rustc/9c1dcf141bc0875407c4eb36972857bd3db713e2/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x56431ba5772a - main
[INFO] [stderr]     29:     0x7fbfe6c1b0b3 - __libc_start_main
[INFO] [stderr]     30:     0x56431ba530ee - _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" "b252cb4a13387ce663753e7f8f0542452136b2073f0cf818f434d9bc1b084787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b252cb4a13387ce663753e7f8f0542452136b2073f0cf818f434d9bc1b084787", kill_on_drop: false }`
[INFO] [stdout] b252cb4a13387ce663753e7f8f0542452136b2073f0cf818f434d9bc1b084787