[INFO] fetching crate tensorflow 0.16.1...
[INFO] checking tensorflow-0.16.1 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate tensorflow 0.16.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tensorflow 0.16.1 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tensorflow 0.16.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tensorflow 0.16.1
[INFO] tweaked toml for crates.io crate tensorflow 0.16.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate tensorflow 0.16.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", 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] ee76baec110f61113742ed73ef9098143e58d5948626efea8101c4011f8cebb8
[INFO] running `Command { std: "docker" "start" "-a" "ee76baec110f61113742ed73ef9098143e58d5948626efea8101c4011f8cebb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee76baec110f61113742ed73ef9098143e58d5948626efea8101c4011f8cebb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee76baec110f61113742ed73ef9098143e58d5948626efea8101c4011f8cebb8", kill_on_drop: false }`
[INFO] [stdout] ee76baec110f61113742ed73ef9098143e58d5948626efea8101c4011f8cebb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--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] f93ff1bee4ff5fd7e9672f2cab2aa134ba763fb732798915675b1ea0ebe23ebb
[INFO] running `Command { std: "docker" "start" "-a" "f93ff1bee4ff5fd7e9672f2cab2aa134ba763fb732798915675b1ea0ebe23ebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling protobuf v2.17.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling tar v0.4.28
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling zip v0.5.5
[INFO] [stderr]    Compiling tensorflow-internal-macros v0.0.1
[INFO] [stderr]    Compiling serial_test_derive v0.4.0
[INFO] [stderr]     Checking serial_test v0.4.0
[INFO] [stderr]    Compiling tensorflow-sys v0.19.1
[INFO] [stderr] error: failed to run custom build command for `tensorflow-sys v0.19.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/tensorflow-sys-ddde16dcba76000a/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   libtensorflow-sys/build.rs:202: binary_url = "https://storage.googleapis.com/tensorflow/libtensorflow/libtensorflow-cpu-linux-x86_64-1.15.0.tar.gz"
[INFO] [stderr]   libtensorflow-sys/build.rs:206: base_name = "libtensorflow-cpu-linux-x86_64-1.15.0"
[INFO] [stderr]   libtensorflow-sys/build.rs:215: file_name = "/opt/rustwide/target/debug/build/tensorflow-sys-3796ed1ed502df9a/out/libtensorflow-cpu-linux-x86_64-1.15.0.tar.gz"
[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 }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tensorflow-sys-0.19.1/build.rs:225:24
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55aa710180b7 - std::backtrace_rs::backtrace::libunwind::trace::h8bc78f7bc1f75bdb
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55aa710180b7 - std::backtrace_rs::backtrace::trace_unsynchronized::ha4c961c9576f95ba
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55aa710180b7 - std::sys_common::backtrace::_print_fmt::hc20cfdc233d6eb02
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55aa710180b7 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h04bea14549780a0f
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55aa710355fc - core::fmt::write::h3868db8542c90941
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/fmt/mod.rs:1096:17
[INFO] [stderr]      5:     0x55aa710145c2 - std::io::Write::write_fmt::h55dd75636eef6a5c
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/io/mod.rs:1568:15
[INFO] [stderr]      6:     0x55aa71019f75 - std::sys_common::backtrace::_print::h6439e8525077c7da
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55aa71019f75 - std::sys_common::backtrace::print::h02b685f728ce3931
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55aa71019f75 - std::panicking::default_hook::{{closure}}::h7c29625065fafae1
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55aa71019ad3 - std::panicking::default_hook::hba441710bb71f4d5
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55aa7101a711 - std::panicking::rust_panic_with_hook::ha936eb00e51bc4d9
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55aa7101a257 - std::panicking::begin_panic_handler::{{closure}}::hcd15140e0238536e
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55aa7101857c - std::sys_common::backtrace::__rust_end_short_backtrace::hb13a021bb64823a1
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55aa7101a1b9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55aa710349d1 - core::panicking::panic_fmt::h20225113c4a2f8fd
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55aa710347f3 - core::option::expect_none_failed::hc6d6d4cea4fdc285
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/option.rs:1266:5
[INFO] [stderr]     16:     0x55aa70ed6173 - core::result::Result<T,E>::unwrap::h90fb373d15241f96
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/result.rs:969:23
[INFO] [stderr]     17:     0x55aa70eba911 - build_script_build::install_prebuilt::h0c3a7ac4b5f33670
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tensorflow-sys-0.19.1/build.rs:225:9
[INFO] [stderr]     18:     0x55aa70eb858c - build_script_build::main::h42ff7e9f5577055b
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tensorflow-sys-0.19.1/build.rs:69:9
[INFO] [stderr]     19:     0x55aa70eda8fb - core::ops::function::FnOnce::call_once::h0bca122cb86e1bb8
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55aa70ec9fce - std::sys_common::backtrace::__rust_begin_short_backtrace::h2e7baf4cf951fe13
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55aa70eda5b1 - std::rt::lang_start::{{closure}}::hae19a2bf4fd989df
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x55aa7101ac27 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7c92107c3c98a949
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55aa7101ac27 - std::panicking::try::do_call::h7454c57e8fbf0cc1
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x55aa7101ac27 - std::panicking::try::he71cdc15ed83b5ec
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x55aa7101ac27 - std::panic::catch_unwind::hfc08ddb043e6e18c
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x55aa7101ac27 - std::rt::lang_start_internal::he4958117ec6901fd
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x55aa70eda587 - std::rt::lang_start::h44b259f8c024cdfe
[INFO] [stderr]                                  at /rustc/4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x55aa70ec0e0a - main
[INFO] [stderr]     29:     0x7fedf11780b3 - __libc_start_main
[INFO] [stderr]     30:     0x55aa70eb808e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f93ff1bee4ff5fd7e9672f2cab2aa134ba763fb732798915675b1ea0ebe23ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93ff1bee4ff5fd7e9672f2cab2aa134ba763fb732798915675b1ea0ebe23ebb", kill_on_drop: false }`
[INFO] [stdout] f93ff1bee4ff5fd7e9672f2cab2aa134ba763fb732798915675b1ea0ebe23ebb