[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-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/stevej/strest-tcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/gh/stevej/strest-tcp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stevej/strest-tcp" "work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/gh/stevej/strest-tcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/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#df25d79a33b0c82b716699a75a41bfdc6089850a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stevej/strest-tcp on toolchain try#424a4ae163d6517f301cd4048a4b5dd785be5b2f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-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-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/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-59928/sources/try#424a4ae163d6517f301cd4048a4b5dd785be5b2f/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" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+424a4ae163d6517f301cd4048a4b5dd785be5b2f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stevej/strest-tcp against master#df25d79a33b0c82b716699a75a41bfdc6089850a for pr-59928
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-59928/worker-0/master#df25d79a33b0c82b716699a75a41bfdc6089850a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-59928/sources/master#df25d79a33b0c82b716699a75a41bfdc6089850a/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" "+df25d79a33b0c82b716699a75a41bfdc6089850a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1cfe39e8ef9514f15c2e537863609395730c0c9ae242f2c7dc378c245aee8784
[INFO] running `"docker" "start" "-a" "1cfe39e8ef9514f15c2e537863609395730c0c9ae242f2c7dc378c245aee8784"`
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling fixedbitset v0.1.6
[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 backtrace-sys v0.1.12
[INFO] [stderr]    Compiling bzip2-sys v0.1.5
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]    Compiling libz-sys v1.0.16
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.15
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling curl-sys v0.3.14
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling socket2 v0.2.1
[INFO] [stderr]    Compiling rand v0.3.16
[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 net2 v0.2.30
[INFO] [stderr]    Compiling petgraph v0.4.5
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling bytes v0.4.4
[INFO] [stderr]    Compiling msdos_time v0.1.5
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking twox-hash v1.1.0
[INFO] [stderr]     Checking mio v0.6.9
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]     Checking clap v2.25.1
[INFO] [stderr]    Compiling prost v0.1.0
[INFO] [stderr]     Checking tokio-io v0.1.2
[INFO] [stderr]    Compiling bzip2 v0.3.2
[INFO] [stderr]    Compiling flate2 v0.2.19
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking pretty_env_logger v0.1.1
[INFO] [stderr]     Checking hdrsample v3.0.0
[INFO] [stderr]     Checking zip v0.2.5
[INFO] [stderr]     Checking tacho v0.3.1
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling prost-derive v0.1.0
[INFO] [stderr]    Compiling 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-b8d04f72f76a5935/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:997:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55fa9997cae3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h998473333b6173fd
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55fa999780ab - std::sys_common::backtrace::_print::h7319fdc7898c609c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55fa9997b7e6 - std::panicking::default_hook::{{closure}}::he0ea18480832534c
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55fa9997b579 - std::panicking::default_hook::h5860d8261b6f7347
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55fa9997beef - std::panicking::rust_panic_with_hook::h4edf41dc8786027d
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55fa9997ba71 - std::panicking::continue_panic_fmt::hac7094691b749a9f
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55fa9997b955 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55fa9999262c - core::panicking::panic_fmt::h56f12d13ec8a0d94
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55fa998592b7 - core::result::unwrap_failed::h81b8024c6cbd4d29
[INFO] [stderr]                                at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55fa997e2389 - core::result::Result<T,E>::expect::hab45005310422ec4
[INFO] [stderr]                                at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libcore/result.rs:825
[INFO] [stderr]   10:     0x55fa9980d9b3 - build_script_build::main::h87594321d417f687
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:4
[INFO] [stderr]   11:     0x55fa997f155f - std::rt::lang_start::{{closure}}::h3e3f4f263d9d0f7e
[INFO] [stderr]                                at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55fa9997b8f2 - std::panicking::try::do_call::hc4555bf6034eaeaa
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55fa99982ec9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   14:     0x55fa9997c4bc - std::rt::lang_start_internal::h4d7765d05754457a
[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:     0x55fa997f1538 - std::rt::lang_start::h95d1babcb7b02f77
[INFO] [stderr]                                at /rustc/df25d79a33b0c82b716699a75a41bfdc6089850a/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55fa9980d9e9 - main
[INFO] [stderr]   17:     0x7f2f8d9f92e0 - __libc_start_main
[INFO] [stderr]   18:     0x55fa997cd149 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "1cfe39e8ef9514f15c2e537863609395730c0c9ae242f2c7dc378c245aee8784"`
[INFO] running `"docker" "rm" "-f" "1cfe39e8ef9514f15c2e537863609395730c0c9ae242f2c7dc378c245aee8784"`
[INFO] [stdout] 1cfe39e8ef9514f15c2e537863609395730c0c9ae242f2c7dc378c245aee8784