[INFO] updating cached repository stevej/strest-tcp
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stevej/strest-tcp
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stevej/strest-tcp" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/stevej/strest-tcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/stevej/strest-tcp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stevej/strest-tcp" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/stevej/strest-tcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/stevej/strest-tcp'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3f04edbbc98081b088f7a85c1f99a73f4ab81ade
[INFO] sha for GitHub repo stevej/strest-tcp: 3f04edbbc98081b088f7a85c1f99a73f4ab81ade
[INFO] validating manifest of stevej/strest-tcp on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stevej/strest-tcp on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stevej/strest-tcp
[INFO] finished frobbing stevej/strest-tcp
[INFO] frobbed toml for stevej/strest-tcp written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/stevej/strest-tcp/Cargo.toml
[INFO] started frobbing stevej/strest-tcp
[INFO] finished frobbing stevej/strest-tcp
[INFO] frobbed toml for stevej/strest-tcp written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/stevej/strest-tcp/Cargo.toml
[INFO] crate stevej/strest-tcp already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stevej/strest-tcp against try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-6/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/stevej/strest-tcp:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8ad00aff70636181e09c6f476bc382d1a7b3864a1c66be3ac459b8d0d5c86e2e
[INFO] running `"docker" "start" "-a" "8ad00aff70636181e09c6f476bc382d1a7b3864a1c66be3ac459b8d0d5c86e2e"`
[INFO] [stderr]    Compiling libc v0.2.28
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling fixedbitset v0.1.6
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling ordermap v0.2.10
[INFO] [stderr]    Compiling openssl-probe v0.1.1
[INFO] [stderr]    Compiling multimap v0.3.0
[INFO] [stderr]    Compiling podio v0.1.5
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.5
[INFO] [stderr]    Compiling libz-sys v1.0.16
[INFO] [stderr]    Compiling curl-sys v0.3.14
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]    Compiling itertools v0.6.1
[INFO] [stderr]     Checking socket2 v0.2.1
[INFO] [stderr]    Compiling petgraph v0.4.5
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]     Checking twox-hash v1.1.0
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]     Checking msdos_time v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.15
[INFO] [stderr]    Compiling bytes v0.4.4
[INFO] [stderr]     Checking prost v0.1.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking clap v2.25.1
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]    Compiling flate2 v0.2.19
[INFO] [stderr]     Checking bzip2 v0.3.2
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking hdrsample v3.0.0
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking zip v0.2.5
[INFO] [stderr]     Checking pretty_env_logger v0.1.1
[INFO] [stderr]     Checking tacho v0.3.1
[INFO] [stderr]    Compiling prost-derive v0.1.0
[INFO] [stderr]     Checking prost-codegen v0.1.0
[INFO] [stderr]     Checking curl v0.4.8
[INFO] [stderr]     Checking prost-build v0.1.0
[INFO] [stderr]    Compiling strest-tcp v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `strest-tcp v0.0.1 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/strest-tcp-c9b0b168c6c7d846/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'unable to compile proto files: Custom { kind: Other, error: Error { description: "Couldn\'t resolve host name", code: 6, extra: Some("Couldn\'t resolve host \'github.com\'") } }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x562a83ba83c3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h175c35bedfe324eb
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x562a83ba398b - std::sys_common::backtrace::_print::h01694821edef617a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x562a83ba70c6 - std::panicking::default_hook::{{closure}}::h62cbe23db3262ad8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x562a83ba6e59 - std::panicking::default_hook::h917594e1ea7adc3f
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x562a83ba77cf - std::panicking::rust_panic_with_hook::h1fb2ce490ccdf024
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x562a83ba7351 - std::panicking::continue_panic_fmt::hb6bb79da952ec340
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x562a83ba7235 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x562a83bbdf5c - core::panicking::panic_fmt::h0f9d7e1fa9fb22bf
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x562a83a869e7 - core::result::unwrap_failed::h07bb1383e40d3a88
[INFO] [stderr]                                at /rustc/78b0bd8441ef961f6475e3d47fe3bca38cb83432/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x562a83a12159 - core::result::Result<T,E>::expect::h09fe3e454e41609f
[INFO] [stderr]                                at /rustc/78b0bd8441ef961f6475e3d47fe3bca38cb83432/src/libcore/result.rs:827
[INFO] [stderr]   10:     0x562a83a3d783 - build_script_build::main::hc5bfcebb256babb4
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:4
[INFO] [stderr]   11:     0x562a83a2132f - std::rt::lang_start::{{closure}}::h89b75cea646e45ec
[INFO] [stderr]                                at /rustc/78b0bd8441ef961f6475e3d47fe3bca38cb83432/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x562a83ba71d2 - std::panicking::try::do_call::h60d8cccf379053fe
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x562a83bae7f9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x562a83ba7d9c - std::rt::lang_start_internal::h629f5b3976019ae3
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x562a83a21308 - std::rt::lang_start::hed3bb620ad8db680
[INFO] [stderr]                                at /rustc/78b0bd8441ef961f6475e3d47fe3bca38cb83432/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x562a83a3d7b9 - main
[INFO] [stderr]   17:     0x7f0511e892e0 - __libc_start_main
[INFO] [stderr]   18:     0x562a839fcf19 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "8ad00aff70636181e09c6f476bc382d1a7b3864a1c66be3ac459b8d0d5c86e2e"`
[INFO] running `"docker" "rm" "-f" "8ad00aff70636181e09c6f476bc382d1a7b3864a1c66be3ac459b8d0d5c86e2e"`
[INFO] [stdout] 8ad00aff70636181e09c6f476bc382d1a7b3864a1c66be3ac459b8d0d5c86e2e