[INFO] cloning repository https://github.com/uzushino/similar-image-search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uzushino/similar-image-search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fsimilar-image-search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fsimilar-image-search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1f3726161fc060e4c19377baad10073be59221d
[INFO] testing uzushino/similar-image-search against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzushino%2Fsimilar-image-search" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uzushino/similar-image-search on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/uzushino/similar-image-search
[INFO] finished tweaking git repo https://github.com/uzushino/similar-image-search
[INFO] tweaked toml for git repo https://github.com/uzushino/similar-image-search written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/uzushino/similar-image-search already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90e4f0acf0f611261578bbd5c24a4b6f3edb4f2d15564b101389a75aa799957f
[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" "90e4f0acf0f611261578bbd5c24a4b6f3edb4f2d15564b101389a75aa799957f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90e4f0acf0f611261578bbd5c24a4b6f3edb4f2d15564b101389a75aa799957f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e4f0acf0f611261578bbd5c24a4b6f3edb4f2d15564b101389a75aa799957f", kill_on_drop: false }`
[INFO] [stdout] 90e4f0acf0f611261578bbd5c24a4b6f3edb4f2d15564b101389a75aa799957f
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 09927ac5fd39d8692eb17c15c9a72aade1df3a057bd31bac6317eb882bc12cd5
[INFO] running `Command { std: "docker" "start" "-a" "09927ac5fd39d8692eb17c15c9a72aade1df3a057bd31bac6317eb882bc12cd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling curl v0.4.25
[INFO] [stderr]    Compiling podio v0.1.6
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling rannoy v0.1.0 (https://github.com/uzushino/rs-annoy.git#a965bff1)
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling curl-sys v0.4.25
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.3.5
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling socket2 v0.3.11
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling backtrace v0.3.43
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling zip v0.5.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling torch-sys v0.1.5
[INFO] [stderr] error: failed to run custom build command for `torch-sys v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/torch-sys-47d88279fbf62af0/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
[INFO] [stderr]                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.6/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-0.1.6/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-0.1.6/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-0.1.6/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:117
[INFO] [stderr]      6: build_script_build::main
[INFO] [stderr]                at build.rs:174
[INFO] [stderr]      7: core::ops::function::FnOnce::call_once
[INFO] [stderr]                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227
[INFO] [stderr]      8: std::sys_common::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125
[INFO] [stderr]      9: std::rt::lang_start::{{closure}}
[INFO] [stderr]                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66
[INFO] [stderr]     10: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259
[INFO] [stderr]         std::panicking::try::do_call
[INFO] [stderr]                at library/std/src/panicking.rs:381
[INFO] [stderr]         std::panicking::try
[INFO] [stderr]                at library/std/src/panicking.rs:345
[INFO] [stderr]         std::panic::catch_unwind
[INFO] [stderr]                at library/std/src/panic.rs:396
[INFO] [stderr]         std::rt::lang_start_internal
[INFO] [stderr]                at library/std/src/rt.rs:51
[INFO] [stderr]     11: std::rt::lang_start
[INFO] [stderr]                at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65
[INFO] [stderr]     12: main
[INFO] [stderr]     13: __libc_start_main
[INFO] [stderr]     14: _start
[INFO] [stderr]   ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.5/build.rs:117:48
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5587602d51f0 - std::backtrace_rs::backtrace::libunwind::trace::h04d12fdcddff82aa
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x5587602d51f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1459b974b6fbe5e1
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5587602d51f0 - std::sys_common::backtrace::_print_fmt::h9b8396a669123d95
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5587602d51f0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he009dcaaa75eed60
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5587602f6a6c - core::fmt::write::h77b4746b0dea1dd3
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x5587602d0da2 - std::io::Write::write_fmt::heb7e50902e98831c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/io/mod.rs:1518:15
[INFO] [stderr]      6:     0x5587602d7d35 - std::sys_common::backtrace::_print::h2d880c9e69a21be9
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5587602d7d35 - std::sys_common::backtrace::print::h5f02b1bb49f36879
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5587602d7d35 - std::panicking::default_hook::{{closure}}::h658e288a7a809b29
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5587602d79d8 - std::panicking::default_hook::hb52d73f0da9a4bb8
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x5587602d84d1 - std::panicking::rust_panic_with_hook::hfe7e1c684e3e6462
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:593:17
[INFO] [stderr]     11:     0x5587602d8017 - std::panicking::begin_panic_handler::{{closure}}::h42939e004b32765c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:499:13
[INFO] [stderr]     12:     0x5587602d56ac - std::sys_common::backtrace::__rust_end_short_backtrace::h9d2070f7bf9fd56c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5587602d7f79 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:495:5
[INFO] [stderr]     14:     0x5587602f5e11 - core::panicking::panic_fmt::ha0bb065d9a260792
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5587602f5c33 - core::option::expect_none_failed::h7e1dd0a94971eb61
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x5587601570c3 - core::result::Result<T,E>::unwrap::h20acce7dd3104ce2
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x5587601539b9 - build_script_build::prepare_libtorch_dir::h2c403021050c0c85
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.5/build.rs:117:13
[INFO] [stderr]     18:     0x558760154a44 - build_script_build::main::hc9d15ad3491913bd
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/torch-sys-0.1.5/build.rs:174:20
[INFO] [stderr]     19:     0x5587601655ab - core::ops::function::FnOnce::call_once::hdd3897da864678ba
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55876016530e - std::sys_common::backtrace::__rust_begin_short_backtrace::h208343c1dcb09f1a
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x558760159eb1 - std::rt::lang_start::{{closure}}::he5dc1de30e62eb32
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x5587602d89e7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h57e2a071d427b24c
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5587602d89e7 - std::panicking::try::do_call::h81cbbe0c3b30a28e
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:381:40
[INFO] [stderr]     24:     0x5587602d89e7 - std::panicking::try::hbeeb95b4e1f0a876
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panicking.rs:345:19
[INFO] [stderr]     25:     0x5587602d89e7 - std::panic::catch_unwind::h59c48ccb40a0bf20
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x5587602d89e7 - std::rt::lang_start_internal::ha53ab63f88fee728
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x558760159e87 - std::rt::lang_start::h78790ff3f335d61e
[INFO] [stderr]                                  at /rustc/e1884a8e3c3e813aada8254edfa120e85bf5ffca/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x558760154eca - main
[INFO] [stderr]     29:     0x7f8c147ee0b3 - __libc_start_main
[INFO] [stderr]     30:     0x55876014e09e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "09927ac5fd39d8692eb17c15c9a72aade1df3a057bd31bac6317eb882bc12cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09927ac5fd39d8692eb17c15c9a72aade1df3a057bd31bac6317eb882bc12cd5", kill_on_drop: false }`
[INFO] [stdout] 09927ac5fd39d8692eb17c15c9a72aade1df3a057bd31bac6317eb882bc12cd5