[INFO] cloning repository https://github.com/m-decoster/device-tensors
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m-decoster/device-tensors" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-decoster%2Fdevice-tensors", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-decoster%2Fdevice-tensors'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d34e4980c79a30d4ee39a48bb46e55b089711bbe
[INFO] checking m-decoster/device-tensors against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm-decoster%2Fdevice-tensors" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m-decoster/device-tensors on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/m-decoster/device-tensors
[INFO] finished tweaking git repo https://github.com/m-decoster/device-tensors
[INFO] tweaked toml for git repo https://github.com/m-decoster/device-tensors written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/m-decoster/device-tensors already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c11f23b347f12bda7aaf9055bb5baf3bcd75302eb016064247dc7d5387cd9a7
[INFO] running `Command { std: "docker" "start" "-a" "4c11f23b347f12bda7aaf9055bb5baf3bcd75302eb016064247dc7d5387cd9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c11f23b347f12bda7aaf9055bb5baf3bcd75302eb016064247dc7d5387cd9a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c11f23b347f12bda7aaf9055bb5baf3bcd75302eb016064247dc7d5387cd9a7", kill_on_drop: false }`
[INFO] [stdout] 4c11f23b347f12bda7aaf9055bb5baf3bcd75302eb016064247dc7d5387cd9a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5bf56632881db6ea9cefd65ffdcb8818bb8e9417c2b133462be173892150fe3
[INFO] running `Command { std: "docker" "start" "-a" "f5bf56632881db6ea9cefd65ffdcb8818bb8e9417c2b133462be173892150fe3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling curl v0.4.31
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling podio v0.1.7
[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 num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.33+curl-7.71.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.6
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling torch-sys v0.1.7
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.1.7`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-e8ae6e2cfdc8d355/build-script-build` (exit status: 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]      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: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stderr]                at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/result.rs:1675
[INFO] [stderr]      5: build_script_build::download
[INFO] [stderr]                at build.rs:30
[INFO] [stderr]      6: build_script_build::prepare_libtorch_dir
[INFO] [stderr]                at build.rs:117
[INFO] [stderr]      7: build_script_build::main
[INFO] [stderr]                at build.rs:182
[INFO] [stderr]      8: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/ops/function.rs:227
[INFO] [stderr]      9: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]     10: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:49
[INFO] [stderr]     11: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:401
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:365
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panic.rs:434
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:34
[INFO] [stderr]     12: std::rt::lang_start
[INFO] [stderr]                at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:48
[INFO] [stderr]     13: main
[INFO] [stderr]     14: __libc_start_main
[INFO] [stderr]     15: _start
[INFO] [stderr]   ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.7/build.rs:117:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56236030a2b0 - std::backtrace_rs::backtrace::libunwind::trace::hfa838fc631229987
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56236030a2b0 - std::backtrace_rs::backtrace::trace_unsynchronized::h93a23e36ec026219
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56236030a2b0 - std::sys_common::backtrace::_print_fmt::hba56c7f796a4152f
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56236030a2b0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h214637f1e26310e1
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56236032b49c - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x5623603069d5 - std::io::Write::write_fmt::heb07fc0616bbd06d
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x56236030c8fb - std::sys_common::backtrace::_print::h2c2441c37e894fb5
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56236030c8fb - std::sys_common::backtrace::print::h4fb679ac439362ea
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56236030c8fb - std::panicking::default_hook::{{closure}}::h56bbadec2356e5d2
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56236030c3d1 - std::panicking::default_hook::hb25822b45f6fdc4e
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56236030cfc4 - std::panicking::rust_panic_with_hook::h4da5578e7277d2d4
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x56236030caa7 - std::panicking::begin_panic_handler::{{closure}}::h003783ddb3cba4e8
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x56236030a78c - std::sys_common::backtrace::__rust_end_short_backtrace::hd138d2032731ed21
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56236030ca09 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x5623601188c1 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x562360118953 - core::result::unwrap_failed::hf79563fef9d11ab8
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x5623601235d9 - core::result::Result<T,E>::unwrap::h88b6fe1204b5d620
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x562360128408 - build_script_build::prepare_libtorch_dir::hf777b577b7f3b48a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.7/build.rs:117:13
[INFO] [stderr]     18:     0x562360129494 - build_script_build::main::h68cd1eed4f435251
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.7/build.rs:182:24
[INFO] [stderr]     19:     0x56236012499b - core::ops::function::FnOnce::call_once::h796ff837b963af40
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x56236012cfce - std::sys_common::backtrace::__rust_begin_short_backtrace::h5b33ab7c51a77f1c
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x56236011e011 - std::rt::lang_start::{{closure}}::h35ab3358d0b390c3
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:49:18
[INFO] [stderr]     22:     0x56236030d5c9 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd933294140eb11aa
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x56236030d5c9 - std::panicking::try::do_call::h8342fe3d9218b807
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x56236030d5c9 - std::panicking::try::hcbd73d6d0d58a8f0
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x56236030d5c9 - std::panic::catch_unwind::hde9cf73f810acfcc
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x56236030d5c9 - std::rt::lang_start_internal::heb39e7ea6e5d6f6f
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:34:21
[INFO] [stderr]     27:     0x56236011dff0 - std::rt::lang_start::h3222bf9ce0942d57
[INFO] [stderr]                                  at /rustc/c5fbcd35a8217a17f6b63a22217ace06cf8f5f02/library/std/src/rt.rs:48:5
[INFO] [stderr]     28:     0x562360129cbc - main
[INFO] [stderr]     29:     0x7f93b212c0b3 - __libc_start_main
[INFO] [stderr]     30:     0x56236011904e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f5bf56632881db6ea9cefd65ffdcb8818bb8e9417c2b133462be173892150fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5bf56632881db6ea9cefd65ffdcb8818bb8e9417c2b133462be173892150fe3", kill_on_drop: false }`
[INFO] [stdout] f5bf56632881db6ea9cefd65ffdcb8818bb8e9417c2b133462be173892150fe3