[INFO] crate caniuse-db 1.0.30000909 is already in cache
[INFO] extracting crate caniuse-db 1.0.30000909 into work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/caniuse-db/1.0.30000909
[INFO] extracting crate caniuse-db 1.0.30000909 into work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/caniuse-db/1.0.30000909
[INFO] validating manifest of caniuse-db-1.0.30000909 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of caniuse-db-1.0.30000909 on toolchain try#74092351c05ae61047b2be02024415546595e974
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing caniuse-db-1.0.30000909
[INFO] finished frobbing caniuse-db-1.0.30000909
[INFO] frobbed toml for caniuse-db-1.0.30000909 written to work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/caniuse-db/1.0.30000909/Cargo.toml
[INFO] started frobbing caniuse-db-1.0.30000909
[INFO] finished frobbing caniuse-db-1.0.30000909
[INFO] frobbed toml for caniuse-db-1.0.30000909 written to work/ex/pr-60174/sources/try#74092351c05ae61047b2be02024415546595e974/reg/caniuse-db/1.0.30000909/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+74092351c05ae61047b2be02024415546595e974-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking caniuse-db-1.0.30000909 against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60174
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60174/worker-7/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60174/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/caniuse-db/1.0.30000909:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e05d2949219d730ded9082e623b3d044db1b19e8f1592ca1fdabda432a2fad0e
[INFO] running `"docker" "start" "-a" "e05d2949219d730ded9082e623b3d044db1b19e8f1592ca1fdabda432a2fad0e"`
[INFO] [stderr]    Compiling inflect v0.1.0
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling cookie_store v0.5.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling h2 v0.1.18
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.19
[INFO] [stderr]    Compiling hyper v0.12.27
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.15
[INFO] [stderr]    Compiling caniuse-db v1.0.30000909 (/opt/crater/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/shared/mod.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 |   /// Vendor prefixes.
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 91 | / caniuse_enum!(Prefix, PREFIXES, PrefixVisitor, {
[INFO] [stderr] 92 | |     "ms" => Ms,
[INFO] [stderr] 93 | |     "moz" => Moz,
[INFO] [stderr] 94 | |     "webkit" => Webkit,
[INFO] [stderr] 95 | |     "o" => Opera,
[INFO] [stderr] 96 | | });
[INFO] [stderr]    | |___- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_doc_comments)] on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `caniuse-db v1.0.30000909 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/caniuse-db-b678e6ef40c61a9e/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Version: 1.0.30000909
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error { kind: Hyper(Error { kind: Connect, cause: Custom { kind: Other, error: StringError("failed to lookup address information: Temporary failure in name resolution") } }), url: Some("https://registry.npmjs.org/caniuse-db/1.0.30000909") }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x558fa36b3c23 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h805294fd9a8a1853
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x558fa36aed6b - std::sys_common::backtrace::_print::h563674885828f2f5
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x558fa36b1fa6 - std::panicking::default_hook::{{closure}}::ha80a0fc374ac4513
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x558fa36b1d39 - std::panicking::default_hook::h22bb6d1b97092339
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x558fa36b26af - std::panicking::rust_panic_with_hook::hb430545a95762309
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x558fa36b2231 - std::panicking::continue_panic_fmt::h5eaf2c376dcf553f
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x558fa36b2115 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x558fa36ca25c - core::panicking::panic_fmt::ha3c82b3c8b41a4ff
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x558fa2f918bc - core::result::unwrap_failed::hb22c908cae38f0e3
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x558fa2f33e5b - core::result::Result<T,E>::unwrap::h42e629f2e5cd1f86
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x558fa2ef7ff1 - build_script_build::get_json::h8276a03181c3df4e
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:263
[INFO] [stderr]   11:     0x558fa2ef7c6b - build_script_build::get_git_head::hb730dcea01cdb512
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:247
[INFO] [stderr]   12:     0x558fa2ef4069 - build_script_build::main::h6dcfaf7ac59facb5
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:25
[INFO] [stderr]   13:     0x558fa2ee957f - std::rt::lang_start::{{closure}}::h26911f65e3a658b4
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x558fa36b20b2 - std::panicking::try::do_call::h1f09ded7f50c84d3
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   15:     0x558fa36b6449 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   16:     0x558fa36b2c7c - std::rt::lang_start_internal::hf27f440d51809051
[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]   17:     0x558fa2ee9558 - std::rt::lang_start::hf5b736ca7f45845c
[INFO] [stderr]                                at /rustc/e305df1846a6d985315917ae0c81b74af8b4e641/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x558fa2f0d679 - main
[INFO] [stderr]   19:     0x7f9381eb32e0 - __libc_start_main
[INFO] [stderr]   20:     0x558fa2e8aeb9 - _start
[INFO] [stderr]   21:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "e05d2949219d730ded9082e623b3d044db1b19e8f1592ca1fdabda432a2fad0e"`
[INFO] running `"docker" "rm" "-f" "e05d2949219d730ded9082e623b3d044db1b19e8f1592ca1fdabda432a2fad0e"`
[INFO] [stdout] e05d2949219d730ded9082e623b3d044db1b19e8f1592ca1fdabda432a2fad0e