[INFO] fetching crate v8 0.35.0...
[INFO] testing v8-0.35.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate v8 0.35.0 into /workspace/builds/worker-73/source
[INFO] validating manifest of crates.io crate v8 0.35.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-73/source/rust-toolchain
[INFO] started tweaking crates.io crate v8 0.35.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate v8 0.35.0
[INFO] tweaked toml for crates.io crate v8 0.35.0 written to /workspace/builds/worker-73/source/Cargo.toml
[INFO] crate crates.io crate v8 0.35.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fslock v0.1.6
[INFO] [stderr]   Downloaded which v4.1.0
[INFO] [stderr]   Downloaded align-data v0.1.0
[INFO] [stderr]   Downloaded trybuild v1.0.42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74227528ca67666707c69cdd0f40e930ec6b71a9849fbf9adf2374b2b2f0af4c
[INFO] running `Command { std: "docker" "start" "-a" "74227528ca67666707c69cdd0f40e930ec6b71a9849fbf9adf2374b2b2f0af4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74227528ca67666707c69cdd0f40e930ec6b71a9849fbf9adf2374b2b2f0af4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74227528ca67666707c69cdd0f40e930ec6b71a9849fbf9adf2374b2b2f0af4c", kill_on_drop: false }`
[INFO] [stdout] 74227528ca67666707c69cdd0f40e930ec6b71a9849fbf9adf2374b2b2f0af4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-73/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e34e749b925663c49d61e74c6810b3af38ba2410d68f5459c48ee199bf7cfa3
[INFO] running `Command { std: "docker" "start" "-a" "6e34e749b925663c49d61e74c6810b3af38ba2410d68f5459c48ee199bf7cfa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling fslock v0.1.6
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling v8 v0.35.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `v8 v0.35.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/v8-b9255e50949c5f0c/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/binding.cc
[INFO] [stderr]   cargo:rerun-if-env-changed=CCACHE
[INFO] [stderr]   cargo:rerun-if-env-changed=CLANG_BASE_PATH
[INFO] [stderr]   cargo:rerun-if-env-changed=DENO_TRYBUILD
[INFO] [stderr]   cargo:rerun-if-env-changed=DOCS_RS
[INFO] [stderr]   cargo:rerun-if-env-changed=GN
[INFO] [stderr]   cargo:rerun-if-env-changed=GN_ARGS
[INFO] [stderr]   cargo:rerun-if-env-changed=HOST
[INFO] [stderr]   cargo:rerun-if-env-changed=NINJA
[INFO] [stderr]   cargo:rerun-if-env-changed=OUT_DIR
[INFO] [stderr]   cargo:rerun-if-env-changed=RUSTY_V8_ARCHIVE
[INFO] [stderr]   cargo:rerun-if-env-changed=RUSTY_V8_MIRROR
[INFO] [stderr]   cargo:rerun-if-env-changed=SCCACHE
[INFO] [stderr]   cargo:rerun-if-env-changed=V8_FORCE_DEBUG
[INFO] [stderr]   cargo:rerun-if-env-changed=V8_FROM_SOURCE
[INFO] [stderr]   download lockfile: "/opt/rustwide/target/debug/build/lib_download.fslock"
[INFO] [stderr]   static lib URL: https://github.com/denoland/rusty_v8/releases/download/v0.35.0/librusty_v8_release_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   cargo:rustc-link-search=/opt/rustwide/target/debug/gn_out/obj
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.35.0/librusty_v8_release_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.35.0/librusty_v8_release_x86_64-unknown-linux-gnu.a...
[INFO] [stderr]   <urlopen error [Errno -3] Temporary failure in name resolution>
[INFO] [stderr]   Retrying in 5 s ...
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.35.0/librusty_v8_release_x86_64-unknown-linux-gnu.a...
[INFO] [stderr]   <urlopen error [Errno -3] Temporary failure in name resolution>
[INFO] [stderr]   Retrying in 10 s ...
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.35.0/librusty_v8_release_x86_64-unknown-linux-gnu.a...
[INFO] [stderr]   <urlopen error [Errno -3] Temporary failure in name resolution>
[INFO] [stderr]   Retrying in 20 s ...
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.35.0/librusty_v8_release_x86_64-unknown-linux-gnu.a...
[INFO] [stderr]   <urlopen error [Errno -3] Temporary failure in name resolution>
[INFO] [stderr]   Python downloader failed, trying with curl.
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Traceback (most recent call last):
[INFO] [stderr]     File "./tools/download_file.py", line 64, in <module>
[INFO] [stderr]       sys.exit(main())
[INFO] [stderr]     File "./tools/download_file.py", line 59, in main
[INFO] [stderr]       DownloadUrl(args.url, f)
[INFO] [stderr]     File "./tools/download_file.py", line 45, in DownloadUrl
[INFO] [stderr]       raise e
[INFO] [stderr]   urllib2.URLError: <urlopen error [Errno -3] Temporary failure in name resolution>
[INFO] [stderr]   thread 'main' panicked at 'assertion failed: status.success()', build.rs:326:3
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55f4706b9b3c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55f4706b9b3c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f4706b9b3c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55f4706b9b3c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55f4706d8ecc - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x55f4706b5f85 - std::io::Write::write_fmt::hc2da38dc44811df8
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x55f4706bb280 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55f4706bb280 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55f4706bb280 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x55f4706bae2b - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x55f4706bb934 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x55f4706bb3e2 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:500:13
[INFO] [stderr]     12:     0x55f4706b9ff4 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x55f4706bb379 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:498:5
[INFO] [stderr]     14:     0x55f4706651f1 - core::panicking::panic_fmt::h7b8580d81fcbbacd
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panicking.rs:107:14
[INFO] [stderr]     15:     0x55f47066513d - core::panicking::panic::h50b51d19800453c0
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panicking.rs:48:5
[INFO] [stderr]     16:     0x55f47066d5a5 - build_script_build::download_file::hf6759f1c315799b5
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:326:3
[INFO] [stderr]     17:     0x55f47066d9b3 - build_script_build::download_static_lib_binaries::ha28c043571514c2b
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:343:3
[INFO] [stderr]     18:     0x55f47066a3ee - build_script_build::main::hd27bfbdea87723a7
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:74:7
[INFO] [stderr]     19:     0x55f47067edeb - core::ops::function::FnOnce::call_once::h4ba11779f7803753
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55f47067eade - std::sys_common::backtrace::__rust_begin_short_backtrace::hda6f13eceba582ae
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     21:     0x55f47067eb71 - std::rt::lang_start::{{closure}}::h7c3fec52c8e79c0e
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:145:18
[INFO] [stderr]     22:     0x55f4706b9381 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0e73392810ecd318
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55f4706b9381 - std::panicking::try::do_call::h12dcb4a4f352a507
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40
[INFO] [stderr]     24:     0x55f4706b9381 - std::panicking::try::h0d978c76ab4a3863
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19
[INFO] [stderr]     25:     0x55f4706b9381 - std::panic::catch_unwind::hab40227675186980
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14
[INFO] [stderr]     26:     0x55f4706b9381 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:48
[INFO] [stderr]     27:     0x55f4706b9381 - std::panicking::try::do_call::h38e7a9128f21d387
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40
[INFO] [stderr]     28:     0x55f4706b9381 - std::panicking::try::h32d4e72fd8922bce
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19
[INFO] [stderr]     29:     0x55f4706b9381 - std::panic::catch_unwind::h9a345671d889d41f
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14
[INFO] [stderr]     30:     0x55f4706b9381 - std::rt::lang_start_internal::h9e691a4f557eb2a3
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:20
[INFO] [stderr]     31:     0x55f47067eb40 - std::rt::lang_start::he32bac711c6b0d55
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:144:17
[INFO] [stderr]     32:     0x55f4706715dc - main
[INFO] [stderr]     33:     0x7f0a6c0300b3 - __libc_start_main
[INFO] [stderr]     34:     0x55f47066590e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6e34e749b925663c49d61e74c6810b3af38ba2410d68f5459c48ee199bf7cfa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e34e749b925663c49d61e74c6810b3af38ba2410d68f5459c48ee199bf7cfa3", kill_on_drop: false }`
[INFO] [stdout] 6e34e749b925663c49d61e74c6810b3af38ba2410d68f5459c48ee199bf7cfa3