[INFO] updating cached repository https://github.com/vegapit/tchtut
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f0d6e880f1729a2d4a5a8bb80005d007dbf27982
[INFO] checking vegapit/tchtut against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvegapit%2Ftchtut" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vegapit/tchtut on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vegapit/tchtut
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/vegapit/tchtut
[INFO] tweaked toml for git repo https://github.com/vegapit/tchtut written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/LaurentMazare/tch-rs`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd55ed05208e3af4616be63fe2567df66ceeab2a4652d8fc993435e809e41c78
[INFO] running `"docker" "start" "-a" "fd55ed05208e3af4616be63fe2567df66ceeab2a4652d8fc993435e809e41c78"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling zip v0.5.5
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking png v0.16.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1
[INFO] [stderr]     Checking font-kit v0.7.1
[INFO] [stderr]    Compiling addr2line v0.12.1
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling torch-sys v0.1.7 (https://github.com/LaurentMazare/tch-rs#b66b2fdc)
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.1.7 (https://github.com/LaurentMazare/tch-rs#b66b2fdc)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-2a81b87c4fa78fc4/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:122
[INFO] [stderr]    6: build_script_build::main
[INFO] [stderr]              at build.rs:187
[INFO] [stderr]    7: std::rt::lang_start::{{closure}}
[INFO] [stderr]              at /rustc/783139bd8fc3b94fac9a1bf81bba2c506e8221b6/src/libstd/rt.rs:67
[INFO] [stderr]    8: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]              at /rustc/783139bd8fc3b94fac9a1bf81bba2c506e8221b6/src/libstd/rt.rs:52
[INFO] [stderr]       std::panicking::try::do_call
[INFO] [stderr]              at /rustc/783139bd8fc3b94fac9a1bf81bba2c506e8221b6/src/libstd/panicking.rs:297
[INFO] [stderr]       std::panicking::try
[INFO] [stderr]              at /rustc/783139bd8fc3b94fac9a1bf81bba2c506e8221b6/src/libstd/panicking.rs:274
[INFO] [stderr]       std::panic::catch_unwind
[INFO] [stderr]              at /rustc/783139bd8fc3b94fac9a1bf81bba2c506e8221b6/src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal
[INFO] [stderr]              at /rustc/783139bd8fc3b94fac9a1bf81bba2c506e8221b6/src/libstd/rt.rs:51
[INFO] [stderr]    9: std::rt::lang_start
[INFO] [stderr]              at /rustc/783139bd8fc3b94fac9a1bf81bba2c506e8221b6/src/libstd/rt.rs:67
[INFO] [stderr]   10: main
[INFO] [stderr]   11: __libc_start_main
[INFO] [stderr]   12: _start
[INFO] [stderr] ', /opt/rustwide/cargo-home/git/checkouts/tch-rs-b9d1710db79374bb/b66b2fd/torch-sys/build.rs:122:13
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x561af42cea65 - backtrace::backtrace::libunwind::trace::h678b9599e62f63eb
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]    1:     0x561af42cea65 - backtrace::backtrace::trace_unsynchronized::hc151481f0e2d39cd
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x561af42cea65 - std::sys_common::backtrace::_print_fmt::he1b14c2dc4d370e2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]    3:     0x561af42cea65 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h0e056b70ceff915d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x561af42f5a5c - core::fmt::write::hdf236390fbd68d3d
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]    5:     0x561af42ca833 - std::io::Write::write_fmt::h5b95d57b9d83617e
[INFO] [stderr]                                at src/libstd/io/mod.rs:1537
[INFO] [stderr]    6:     0x561af42d18c0 - std::sys_common::backtrace::_print::hde4f93cf630dd149
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x561af42d18c0 - std::sys_common::backtrace::print::hab894e5c65d4445d
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x561af42d18c0 - std::panicking::default_hook::{{closure}}::h190ee58e2eec052f
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    9:     0x561af42d160c - std::panicking::default_hook::he2b0e031648f6bed
[INFO] [stderr]                                at src/libstd/panicking.rs:218
[INFO] [stderr]   10:     0x561af42d1ef7 - std::panicking::rust_panic_with_hook::hd8d0481ab65c637b
[INFO] [stderr]                                at src/libstd/panicking.rs:486
[INFO] [stderr]   11:     0x561af42d1afb - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:388
[INFO] [stderr]   12:     0x561af42f4e61 - core::panicking::panic_fmt::hd101a87121fa411f
[INFO] [stderr]                                at src/libcore/panicking.rs:101
[INFO] [stderr]   13:     0x561af42f4c83 - core::option::expect_none_failed::h4f0e89faa3179bf7
[INFO] [stderr]                                at src/libcore/option.rs:1272
[INFO] [stderr]   14:     0x561af40f68c3 - core::result::Result<T,E>::unwrap::h4669e0281ff5098d
[INFO] [stderr]                                at /rustc/783139bd8fc3b94fac9a1bf81bba2c506e8221b6/src/libcore/result.rs:1005
[INFO] [stderr]   15:     0x561af40e38c5 - build_script_build::prepare_libtorch_dir::h9ba07a904246fe77
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/tch-rs-b9d1710db79374bb/b66b2fd/torch-sys/build.rs:122
[INFO] [stderr]   16:     0x561af40e4a44 - build_script_build::main::hb95f151add49ee81
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/tch-rs-b9d1710db79374bb/b66b2fd/torch-sys/build.rs:187
[INFO] [stderr]   17:     0x561af40e7f3b - std::rt::lang_start::{{closure}}::hc27da8cf7c35c4ef
[INFO] [stderr]                                at /rustc/783139bd8fc3b94fac9a1bf81bba2c506e8221b6/src/libstd/rt.rs:67
[INFO] [stderr]   18:     0x561af42d2388 - std::rt::lang_start_internal::{{closure}}::h20875b53e93c05e5
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   19:     0x561af42d2388 - std::panicking::try::do_call::hf41a9e99b462682c
[INFO] [stderr]                                at src/libstd/panicking.rs:297
[INFO] [stderr]   20:     0x561af42d2388 - std::panicking::try::h676e31cbf6db58e0
[INFO] [stderr]                                at src/libstd/panicking.rs:274
[INFO] [stderr]   21:     0x561af42d2388 - std::panic::catch_unwind::h254ef3e93964825b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   22:     0x561af42d2388 - std::rt::lang_start_internal::h8a620deb31f7711f
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   23:     0x561af40e7f17 - std::rt::lang_start::h382f637aa39ea168
[INFO] [stderr]                                at /rustc/783139bd8fc3b94fac9a1bf81bba2c506e8221b6/src/libstd/rt.rs:67
[INFO] [stderr]   24:     0x561af40e523a - main
[INFO] [stderr]   25:     0x7f58993ed0b3 - __libc_start_main
[INFO] [stderr]   26:     0x561af40de0ee - _start
[INFO] [stderr]   27:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fd55ed05208e3af4616be63fe2567df66ceeab2a4652d8fc993435e809e41c78"`
[INFO] running `"docker" "rm" "-f" "fd55ed05208e3af4616be63fe2567df66ceeab2a4652d8fc993435e809e41c78"`
[INFO] [stdout] fd55ed05208e3af4616be63fe2567df66ceeab2a4652d8fc993435e809e41c78