[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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/stevej/strest-tcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/stevej/strest-tcp'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stevej/strest-tcp" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/stevej/strest-tcp"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stevej/strest-tcp on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-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-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/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-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stevej/strest-tcp against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-4/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e32a4dc99a05460d8f048768400f854cf7ca57fba11ff703e6383feb05f834bf
[INFO] running `"docker" "start" "-a" "e32a4dc99a05460d8f048768400f854cf7ca57fba11ff703e6383feb05f834bf"`
[INFO] [stderr]    Compiling libc v0.2.28
[INFO] [stderr]    Compiling rustc-demangle v0.1.4
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling either v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[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]     Checking lazycell v0.4.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.5
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking rand v0.3.16
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]    Compiling itertools v0.6.1
[INFO] [stderr]    Compiling petgraph v0.4.5
[INFO] [stderr]     Checking net2 v0.2.30
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling socket2 v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking bytes v0.4.4
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.12
[INFO] [stderr]    Compiling libz-sys v1.0.16
[INFO] [stderr]     Checking msdos_time v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.15
[INFO] [stderr]     Checking mio v0.6.9
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking twox-hash v1.1.0
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking clap v2.25.1
[INFO] [stderr]     Checking prost v0.1.0
[INFO] [stderr]     Checking tokio-io v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]    Compiling curl-sys v0.3.14
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking flate2 v0.2.19
[INFO] [stderr]    Compiling bzip2 v0.3.2
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]    Compiling curl v0.4.8
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]     Checking zip v0.2.5
[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]    Compiling prost-derive v0.1.0
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking tacho v0.3.1
[INFO] [stderr]     Checking prost-codegen v0.1.0
[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-d6e4a9127d8d2e6f/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:     0x55ab30415c93 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h62b0d85f9c8a0c1e
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55ab30411c3b - std::sys_common::backtrace::_print::h7a1acbdfd9a46dca
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55ab30414996 - std::panicking::default_hook::{{closure}}::h145cf58405d7b62e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55ab30414729 - std::panicking::default_hook::h2c72f204748779fc
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55ab3041509f - std::panicking::rust_panic_with_hook::h0d1908ec672b6122
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55ab30414c21 - std::panicking::continue_panic_fmt::h1b054ec5d85f42bd
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55ab30414b05 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55ab3042c11c - core::panicking::panic_fmt::h82d1666e474cde7a
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55ab302f7b07 - core::result::unwrap_failed::h02fa01e4fe447ef6
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/macros.rs:16
[INFO] [stderr]    9:     0x55ab30280859 - core::result::Result<T,E>::expect::h6b69e25e888985d6
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libcore/result.rs:825
[INFO] [stderr]   10:     0x55ab302abe83 - build_script_build::main::hfeb33309709a452a
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:4
[INFO] [stderr]   11:     0x55ab3028fa2f - std::rt::lang_start::{{closure}}::hda5c89e36c2f4e79
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55ab30414aa2 - std::panicking::try::do_call::ha5fe25206b7efe63
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55ab3041c9c9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   14:     0x55ab3041566c - std::rt::lang_start_internal::he0b4f394f16cd6fc
[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:     0x55ab3028fa08 - std::rt::lang_start::h891d012ba361bac4
[INFO] [stderr]                                at /rustc/a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55ab302abeb9 - main
[INFO] [stderr]   17:     0x7f2a66cd02e0 - __libc_start_main
[INFO] [stderr]   18:     0x55ab3026b619 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "e32a4dc99a05460d8f048768400f854cf7ca57fba11ff703e6383feb05f834bf"`
[INFO] running `"docker" "rm" "-f" "e32a4dc99a05460d8f048768400f854cf7ca57fba11ff703e6383feb05f834bf"`
[INFO] [stdout] e32a4dc99a05460d8f048768400f854cf7ca57fba11ff703e6383feb05f834bf