[INFO] fetching crate tensorflow 0.16.1...
[INFO] checking tensorflow-0.16.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate tensorflow 0.16.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate tensorflow 0.16.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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-13/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded tar v0.4.28
[INFO] [stderr]   Downloaded serial_test v0.4.0
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded curl v0.4.29
[INFO] [stderr]   Downloaded filetime v0.2.10
[INFO] [stderr]   Downloaded tensorflow-internal-macros v0.0.1
[INFO] [stderr]   Downloaded zip v0.5.5
[INFO] [stderr]   Downloaded tensorflow-sys v0.19.1
[INFO] [stderr]   Downloaded serial_test_derive v0.4.0
[INFO] [stderr]   Downloaded vcpkg v0.2.9
[INFO] [stderr]   Downloaded curl-sys v0.4.31+curl-7.70.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd300130d7a1aa1ee5c59ab1d64c3a93ad3d588b33d278eca4bdc70df5f59ffb
[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" "fd300130d7a1aa1ee5c59ab1d64c3a93ad3d588b33d278eca4bdc70df5f59ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd300130d7a1aa1ee5c59ab1d64c3a93ad3d588b33d278eca4bdc70df5f59ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd300130d7a1aa1ee5c59ab1d64c3a93ad3d588b33d278eca4bdc70df5f59ffb", kill_on_drop: false }`
[INFO] [stdout] fd300130d7a1aa1ee5c59ab1d64c3a93ad3d588b33d278eca4bdc70df5f59ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d844f08a047ae70ba059852e2e183b07fe464dd54c83398bae76d29a957ae31c
[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" "d844f08a047ae70ba059852e2e183b07fe464dd54c83398bae76d29a957ae31c", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling curl v0.4.29
[INFO] [stderr]    Compiling protobuf v2.17.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling curl-sys v0.4.31+curl-7.70.0
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]    Compiling tensorflow-internal-macros v0.0.1
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]    Compiling serial_test_derive v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling tar v0.4.28
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]     Checking serial_test v0.4.0
[INFO] [stderr]    Compiling zip v0.5.5
[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:     0x55988c7826a0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55988c7826a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55988c7826a0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55988c7826a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55988c7a295c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55988c77ebb2 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/io/mod.rs:1516:15
[INFO] [stderr]      6:     0x55988c784af5 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55988c784af5 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55988c784af5 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55988c78464a - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55988c785291 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55988c784dd7 - std::panicking::begin_panic_handler::{{closure}}::h56ae74c6dea6e141
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55988c782b3c - std::sys_common::backtrace::__rust_end_short_backtrace::h3c4721f56689fae4
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55988c784d39 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55988c7a1d01 - core::panicking::panic_fmt::hb15d6f55e8472f62
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55988c7a1b23 - core::option::expect_none_failed::he492a18657d97593
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/core/src/option.rs:1268:5
[INFO] [stderr]     16:     0x55988c637293 - core::result::Result<T,E>::unwrap::hf55346eed585027f
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/core/src/result.rs:973:23
[INFO] [stderr]     17:     0x55988c6268cc - 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:     0x55988c62458e - 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:     0x55988c645dcb - core::ops::function::FnOnce::call_once::h7a9629dba894a1eb
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55988c62ffbe - std::sys_common::backtrace::__rust_begin_short_backtrace::hf4b163c3cf691619
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55988c644031 - std::rt::lang_start::{{closure}}::h993846fe78318aea
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/rt.rs:66:18
[INFO] [stderr]     22:     0x55988c7857a7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55988c7857a7 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x55988c7857a7 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x55988c7857a7 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/panic.rs:396:14
[INFO] [stderr]     26:     0x55988c7857a7 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/rt.rs:51:25
[INFO] [stderr]     27:     0x55988c644007 - std::rt::lang_start::h05da87c6a69eb2ce
[INFO] [stderr]                                  at /rustc/3e22d1f9053c0fc87629b3c6d5d9567856368e5d/library/std/src/rt.rs:65:5
[INFO] [stderr]     28:     0x55988c62ccba - main
[INFO] [stderr]     29:     0x7f43f10040b3 - __libc_start_main
[INFO] [stderr]     30:     0x55988c62408e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "d844f08a047ae70ba059852e2e183b07fe464dd54c83398bae76d29a957ae31c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d844f08a047ae70ba059852e2e183b07fe464dd54c83398bae76d29a957ae31c", kill_on_drop: false }`
[INFO] [stdout] d844f08a047ae70ba059852e2e183b07fe464dd54c83398bae76d29a957ae31c