[INFO] cloning repository https://github.com/windfall-shogi/rust-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/windfall-shogi/rust-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindfall-shogi%2Frust-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindfall-shogi%2Frust-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd45ee141765281d2f7fb41efe18e96067087763
[INFO] checking windfall-shogi/rust-exercise against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindfall-shogi%2Frust-exercise" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/windfall-shogi/rust-exercise on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/windfall-shogi/rust-exercise
[INFO] finished tweaking git repo https://github.com/windfall-shogi/rust-exercise
[INFO] tweaked toml for git repo https://github.com/windfall-shogi/rust-exercise written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/windfall-shogi/rust-exercise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 320d6c67ef808ecf3175e32895e375d0e2bcf1d10d6fc8ec37fb0b2c4da61626
[INFO] running `Command { std: "docker" "start" "-a" "320d6c67ef808ecf3175e32895e375d0e2bcf1d10d6fc8ec37fb0b2c4da61626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "320d6c67ef808ecf3175e32895e375d0e2bcf1d10d6fc8ec37fb0b2c4da61626", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "320d6c67ef808ecf3175e32895e375d0e2bcf1d10d6fc8ec37fb0b2c4da61626", kill_on_drop: false }`
[INFO] [stdout] 320d6c67ef808ecf3175e32895e375d0e2bcf1d10d6fc8ec37fb0b2c4da61626
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df96fc67d7314237a296040054150fccfa59506e0ee20c131cae48675ca69880
[INFO] running `Command { std: "docker" "start" "-a" "df96fc67d7314237a296040054150fccfa59506e0ee20c131cae48675ca69880", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]     Checking zip v0.5.9
[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-78f29abd29e80ee8/build-script-build` (exit status: 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 (Could not resolve host: download.pytorch.org)
[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-1.0.37/src/error.rs:467:25
[INFO] [stderr]      1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/result.rs:1653:27
[INFO] [stderr]      2: build_script_build::download
[INFO] [stderr]                at ./build.rs:26:5
[INFO] [stderr]      3: build_script_build::prepare_libtorch_dir
[INFO] [stderr]                at ./build.rs:129:13
[INFO] [stderr]      4: build_script_build::main
[INFO] [stderr]                at ./build.rs:202:24
[INFO] [stderr]      5: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]      6: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]      7: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:63:18
[INFO] [stderr]      8: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]      9: std::panicking::try::do_call
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     10: std::panicking::try
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     11: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     12: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:48
[INFO] [stderr]     13: std::panicking::try::do_call
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     14: std::panicking::try
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     15: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     16: std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:20
[INFO] [stderr]     17: std::rt::lang_start
[INFO] [stderr]                at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:62:5
[INFO] [stderr]     18: main
[INFO] [stderr]     19: __libc_start_main
[INFO] [stderr]     20: _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:     0x56368b290450 - std::backtrace_rs::backtrace::libunwind::trace::h4e80f45db05e9df0
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56368b290450 - std::backtrace_rs::backtrace::trace_unsynchronized::h9db62a3d3587f6c3
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56368b290450 - std::sys_common::backtrace::_print_fmt::h2fafbe52c9090591
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56368b290450 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7d41ae04358c516d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56368b2b18fc - core::fmt::write::h968e6400cbc51d6a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x56368b28c8f5 - std::io::Write::write_fmt::h2eaa97c6f8c9e829
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/io/mod.rs:1642:15
[INFO] [stderr]      6:     0x56368b292a7b - std::sys_common::backtrace::_print::h601a6bc581f240d5
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56368b292a7b - std::sys_common::backtrace::print::h8b96e15ba64b8e64
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56368b292a7b - std::panicking::default_hook::{{closure}}::h94fa9d2f08c20620
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56368b292551 - std::panicking::default_hook::h6d463f5a2e9d9986
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56368b293144 - std::panicking::rust_panic_with_hook::h1e953652a338573e
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x56368b292c27 - std::panicking::begin_panic_handler::{{closure}}::h78bf2fec525c238a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x56368b29094c - std::sys_common::backtrace::__rust_end_short_backtrace::h651eb6282e4ea6b2
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56368b292b89 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x56368b12f7a1 - core::panicking::panic_fmt::hdfd0360cedf2d908
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x56368b12f833 - core::result::unwrap_failed::hc9085c7b2fddd31a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x56368b14425a - core::result::Result<T,E>::unwrap::h25bc3070d904d72b
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x56368b1345c5 - build_script_build::prepare_libtorch_dir::h52e54873707ed72d
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.3.1/build.rs:129:13
[INFO] [stderr]     18:     0x56368b1357f4 - build_script_build::main::h908ee022e97bd3ac
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.3.1/build.rs:202:24
[INFO] [stderr]     19:     0x56368b1421cb - core::ops::function::FnOnce::call_once::h3be0bca170cfc13c
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x56368b13bcce - std::sys_common::backtrace::__rust_begin_short_backtrace::he0f2406c41e46f32
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x56368b1398b1 - std::rt::lang_start::{{closure}}::h4bc3dc0cf2c50799
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x56368b29374a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hccffb0872f46e99d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x56368b29374a - std::panicking::try::do_call::h814e0410256bb9f2
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     24:     0x56368b29374a - std::panicking::try::h97cbec2057cc2c0d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     25:     0x56368b29374a - std::panic::catch_unwind::h964f35f6fa41d1d7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     26:     0x56368b29374a - std::rt::lang_start_internal::{{closure}}::hb97931cf27086d8b
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x56368b29374a - std::panicking::try::do_call::hf0d61be342e8297a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     28:     0x56368b29374a - std::panicking::try::h6b40eeb22db57b23
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     29:     0x56368b29374a - std::panic::catch_unwind::h425af95fffdb0cf5
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     30:     0x56368b29374a - std::rt::lang_start_internal::h21e355575f2fedc7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x56368b139880 - std::rt::lang_start::h795624749e035d47
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x56368b1363ac - main
[INFO] [stderr]     33:     0x7f908bc250b3 - __libc_start_main
[INFO] [stderr]     34:     0x56368b12ff4e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "df96fc67d7314237a296040054150fccfa59506e0ee20c131cae48675ca69880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df96fc67d7314237a296040054150fccfa59506e0ee20c131cae48675ca69880", kill_on_drop: false }`
[INFO] [stdout] df96fc67d7314237a296040054150fccfa59506e0ee20c131cae48675ca69880