[INFO] crate caniuse-db 1.0.30000909 is already in cache
[INFO] extracting crate caniuse-db 1.0.30000909 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/caniuse-db/1.0.30000909
[INFO] extracting crate caniuse-db 1.0.30000909 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/caniuse-db/1.0.30000909
[INFO] validating manifest of caniuse-db-1.0.30000909 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/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#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/caniuse-db/1.0.30000909/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking caniuse-db-1.0.30000909 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-3/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/caniuse-db/1.0.30000909:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2ab72f204b143de010b38ae49e52865452adf7a443f9949ac682e830c50e1254
[INFO] running `"docker" "start" "-a" "2ab72f204b143de010b38ae49e52865452adf7a443f9949ac682e830c50e1254"`
[INFO] [stderr]    Compiling inflect v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.19
[INFO] [stderr]    Compiling cookie_store v0.5.1
[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-17d158e3a2a58a63/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:     0x55fa00e35883 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hd6044dfeffbe6bc9
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55fa00e309cb - std::sys_common::backtrace::_print::ha38c61f902893aa1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55fa00e33c06 - std::panicking::default_hook::{{closure}}::hc23f0deab92db57e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55fa00e33999 - std::panicking::default_hook::h22e6a9b14b08978d
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55fa00e3430f - std::panicking::rust_panic_with_hook::h364c7f0687e3f132
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55fa00e33e91 - std::panicking::continue_panic_fmt::h65483a24e7c9b125
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55fa00e33d75 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55fa00e4bebc - core::panicking::panic_fmt::h01a0643444850703
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55fa0070e9cc - core::result::unwrap_failed::hb9215f9c0980f0a7
[INFO] [stderr]                                at /rustc/99a7498759a22b5684caf798a98b7e90ad9d2443/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55fa006b0ddb - core::result::Result<T,E>::unwrap::h503d5921f98599bd
[INFO] [stderr]                                at /rustc/99a7498759a22b5684caf798a98b7e90ad9d2443/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55fa00675811 - build_script_build::get_json::hdc0d1aabf392bdb0
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:263
[INFO] [stderr]   11:     0x55fa00674b0b - build_script_build::get_git_head::h88de59788792f73f
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:247
[INFO] [stderr]   12:     0x55fa00670f09 - build_script_build::main::ha4258225f0ed74cf
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:25
[INFO] [stderr]   13:     0x55fa0066655f - std::rt::lang_start::{{closure}}::hf560d6512cadc965
[INFO] [stderr]                                at /rustc/99a7498759a22b5684caf798a98b7e90ad9d2443/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55fa00e33d12 - std::panicking::try::do_call::h44bcc8f6acc6d1e5
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   15:     0x55fa00e380a9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   16:     0x55fa00e348dc - std::rt::lang_start_internal::he5dbfb20eb9daaa6
[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:     0x55fa00666538 - std::rt::lang_start::h8a0305e1a9dc1844
[INFO] [stderr]                                at /rustc/99a7498759a22b5684caf798a98b7e90ad9d2443/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x55fa0068a519 - main
[INFO] [stderr]   19:     0x7f51cd75d2e0 - __libc_start_main
[INFO] [stderr]   20:     0x55fa00607d59 - _start
[INFO] [stderr]   21:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "2ab72f204b143de010b38ae49e52865452adf7a443f9949ac682e830c50e1254"`
[INFO] running `"docker" "rm" "-f" "2ab72f204b143de010b38ae49e52865452adf7a443f9949ac682e830c50e1254"`
[INFO] [stdout] 2ab72f204b143de010b38ae49e52865452adf7a443f9949ac682e830c50e1254