[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] cbf2f8b71b159df57327841566f5be14bb171137
[INFO] checking vegapit/tchtut against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvegapit%2Ftchtut" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vegapit/tchtut on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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-3/source/Cargo.toml
[INFO] crate git repo https://github.com/vegapit/tchtut already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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] 9ab87cb7d1aeabae33d87af1dcb4cb469c55df1c38433961b4def751e8d5d017
[INFO] running `"docker" "start" "-a" "9ab87cb7d1aeabae33d87af1dcb4cb469c55df1c38433961b4def751e8d5d017"`
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling libflate v0.1.25
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking ndarray v0.12.1
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking zip v0.5.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking font-loader v0.8.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]    Compiling curl v0.4.22
[INFO] [stderr]     Checking plotters v0.2.2
[INFO] [stderr]    Compiling torch-sys v0.1.1 (https://github.com/LaurentMazare/tch-rs#2fe00ace)
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.1.1 (https://github.com/LaurentMazare/tch-rs#2fe00ace)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-3a829b36f947245c/build-script-build` (exit code: 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] stack backtrace:
[INFO] [stderr]    0: failure::backtrace::internal::InternalBacktrace::new::hade7685d68cf03d6 (0x560bedfbaccf)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stderr]    1: failure::backtrace::Backtrace::new::hc7548f9cccacf9e2 (0x560bedfba7ce)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stderr]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::h81a60dca36779d45 (0x560bede5f6ac)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stderr]    3: <failure::error::Error as core::convert::From<F>>::from::h10a597aaa57b902f (0x560bede5c8d8)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stderr]    4: build_script_build::download::h83af62afaaf79adf (0x560bede53257)
[INFO] [stderr]              at /opt/rustwide/cargo-home/git/checkouts/tch-rs-b9d1710db79374bb/2fe00ac/torch-sys/build.rs:30
[INFO] [stderr]    5: build_script_build::prepare_libtorch_dir::hc05ad3698eb5fa25 (0x560bede553ca)
[INFO] [stderr]              at /opt/rustwide/cargo-home/git/checkouts/tch-rs-b9d1710db79374bb/2fe00ac/torch-sys/build.rs:106
[INFO] [stderr]    6: build_script_build::main::h7eb4871e41a4f653 (0x560bede55f41)
[INFO] [stderr]              at /opt/rustwide/cargo-home/git/checkouts/tch-rs-b9d1710db79374bb/2fe00ac/torch-sys/build.rs:143
[INFO] [stderr]    7: std::rt::lang_start::{{closure}}::h72acdc1dd6bb504a (0x560bede5bd20)
[INFO] [stderr]              at /rustc/ba14a92a10441c4b839ce71e6ef5f7a48bbff18f/src/libstd/rt.rs:64
[INFO] [stderr]    8: std::rt::lang_start_internal::{{closure}}::h79de390c1f22a575 (0x560bee00be93)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h7ab738dd9e6d8623
[INFO] [stderr]              at src/libstd/panicking.rs:292
[INFO] [stderr]    9: __rust_maybe_catch_panic (0x560bee014d9a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   10: std::panicking::try::h02240b4a14001fb3 (0x560bee00ca1d)
[INFO] [stderr]              at src/libstd/panicking.rs:271
[INFO] [stderr]       std::panic::catch_unwind::hf518ccf3f5414b1b
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::hb1418bf06dc13abc
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   11: std::rt::lang_start::hd62e4802c6b5b595 (0x560bede5bcf9)
[INFO] [stderr]              at /rustc/ba14a92a10441c4b839ce71e6ef5f7a48bbff18f/src/libstd/rt.rs:64
[INFO] [stderr]   12: main (0x560bede5624a)
[INFO] [stderr]   13: __libc_start_main (0x7fe13f60ab97)
[INFO] [stderr]   14: _start (0x560bede4213a)
[INFO] [stderr]   15: <unknown> (0x0)', src/libcore/result.rs:1165:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x560bee0090c4 - backtrace::backtrace::libunwind::trace::hed9e2a0309170f7a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x560bee0090c4 - backtrace::backtrace::trace_unsynchronized::h9afd3890a045e254
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x560bee0090c4 - std::sys_common::backtrace::_print_fmt::h0c9217c367fe7d99
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stderr]    3:     0x560bee0090c4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1e25c3c7d15a8f7a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]    4:     0x560bee02b17c - core::fmt::write::h222d255985e63ab4
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1028
[INFO] [stderr]    5:     0x560bee004e87 - std::io::Write::write_fmt::hff0ed662005260ac
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x560bee00bd65 - std::sys_common::backtrace::_print::hc8e1f3adcde2a297
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stderr]    7:     0x560bee00bd65 - std::sys_common::backtrace::print::h441b47455c622a48
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x560bee00bd65 - std::panicking::default_hook::{{closure}}::hf4fb5bc24f0ac057
[INFO] [stderr]                                at src/libstd/panicking.rs:196
[INFO] [stderr]    9:     0x560bee00ba56 - std::panicking::default_hook::h13a0b47a82531fb5
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x560bee00c465 - std::panicking::rust_panic_with_hook::h4a8bd1cefdd0c63e
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x560bee00c002 - std::panicking::continue_panic_fmt::h208e402b637bb007
[INFO] [stderr]                                at src/libstd/panicking.rs:380
[INFO] [stderr]   12:     0x560bee00bef6 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:307
[INFO] [stderr]   13:     0x560bee0284da - core::panicking::panic_fmt::h02924c3a0b39e435
[INFO] [stderr]                                at src/libcore/panicking.rs:84
[INFO] [stderr]   14:     0x560bee0285d7 - core::result::unwrap_failed::h6db58561f30ae5bf
[INFO] [stderr]                                at src/libcore/result.rs:1165
[INFO] [stderr]   15:     0x560bede52248 - core::result::Result<T,E>::unwrap::h7918d47361e81b9e
[INFO] [stderr]                                at /rustc/ba14a92a10441c4b839ce71e6ef5f7a48bbff18f/src/libcore/result.rs:933
[INFO] [stderr]   16:     0x560bede553f7 - build_script_build::prepare_libtorch_dir::hc05ad3698eb5fa25
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/tch-rs-b9d1710db79374bb/2fe00ac/torch-sys/build.rs:106
[INFO] [stderr]   17:     0x560bede55f41 - build_script_build::main::h7eb4871e41a4f653
[INFO] [stderr]                                at /opt/rustwide/cargo-home/git/checkouts/tch-rs-b9d1710db79374bb/2fe00ac/torch-sys/build.rs:143
[INFO] [stderr]   18:     0x560bede5bd20 - std::rt::lang_start::{{closure}}::h72acdc1dd6bb504a
[INFO] [stderr]                                at /rustc/ba14a92a10441c4b839ce71e6ef5f7a48bbff18f/src/libstd/rt.rs:64
[INFO] [stderr]   19:     0x560bee00be93 - std::rt::lang_start_internal::{{closure}}::h79de390c1f22a575
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   20:     0x560bee00be93 - std::panicking::try::do_call::h7ab738dd9e6d8623
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   21:     0x560bee014d9a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   22:     0x560bee00ca1d - std::panicking::try::h02240b4a14001fb3
[INFO] [stderr]                                at src/libstd/panicking.rs:271
[INFO] [stderr]   23:     0x560bee00ca1d - std::panic::catch_unwind::hf518ccf3f5414b1b
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   24:     0x560bee00ca1d - std::rt::lang_start_internal::hb1418bf06dc13abc
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   25:     0x560bede5bcf9 - std::rt::lang_start::hd62e4802c6b5b595
[INFO] [stderr]                                at /rustc/ba14a92a10441c4b839ce71e6ef5f7a48bbff18f/src/libstd/rt.rs:64
[INFO] [stderr]   26:     0x560bede5624a - main
[INFO] [stderr]   27:     0x7fe13f60ab97 - __libc_start_main
[INFO] [stderr]   28:     0x560bede4213a - _start
[INFO] [stderr]   29:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "9ab87cb7d1aeabae33d87af1dcb4cb469c55df1c38433961b4def751e8d5d017"`
[INFO] running `"docker" "rm" "-f" "9ab87cb7d1aeabae33d87af1dcb4cb469c55df1c38433961b4def751e8d5d017"`
[INFO] [stdout] 9ab87cb7d1aeabae33d87af1dcb4cb469c55df1c38433961b4def751e8d5d017