[INFO] fetching crate serde_v8 0.10.0...
[INFO] testing serde_v8-0.10.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate serde_v8 0.10.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate serde_v8 0.10.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_v8 0.10.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate serde_v8 0.10.0
[INFO] tweaked toml for crates.io crate serde_v8 0.10.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate serde_v8 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b707b172b97f3c36bf2903c1aa4491b2ae04d03cd1e5322e63da7c4d0b3cacf1
[INFO] running `Command { std: "docker" "start" "-a" "b707b172b97f3c36bf2903c1aa4491b2ae04d03cd1e5322e63da7c4d0b3cacf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b707b172b97f3c36bf2903c1aa4491b2ae04d03cd1e5322e63da7c4d0b3cacf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b707b172b97f3c36bf2903c1aa4491b2ae04d03cd1e5322e63da7c4d0b3cacf1", kill_on_drop: false }`
[INFO] [stdout] b707b172b97f3c36bf2903c1aa4491b2ae04d03cd1e5322e63da7c4d0b3cacf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7c0e28992dbdd100b7668db17cd123d8e513e90886180243c2d07b4522a920d
[INFO] running `Command { std: "docker" "start" "-a" "f7c0e28992dbdd100b7668db17cd123d8e513e90886180243c2d07b4522a920d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fslock v0.1.6
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling rusty_v8 v0.27.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr] error: failed to run custom build command for `rusty_v8 v0.27.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty_v8-2f288a6ec3530c4d/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=src/binding.cc
[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/v0.27.0/librusty_v8_debug_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/v0.27.0/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.27.0/librusty_v8_debug_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/v0.27.0/librusty_v8_debug_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/v0.27.0/librusty_v8_debug_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/v0.27.0/librusty_v8_debug_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()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.27.0/build.rs:289:3
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5610ac22a74c - std::backtrace_rs::backtrace::libunwind::trace::h51faa62df48810e4
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5610ac22a74c - std::backtrace_rs::backtrace::trace_unsynchronized::h91de4d8e16d607e4
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5610ac22a74c - std::sys_common::backtrace::_print_fmt::h71b0935f97e4322c
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5610ac22a74c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9a78218788c14e18
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5610ac249f4c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/fmt/mod.rs:1150:17
[INFO] [stderr]      5:     0x5610ac2275a5 - std::io::Write::write_fmt::h1d5220480c7a2437
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x5610ac22bfd0 - std::sys_common::backtrace::_print::h4b77abc4d907ed0e
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5610ac22bfd0 - std::sys_common::backtrace::print::hb170c60b542377ad
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5610ac22bfd0 - std::panicking::default_hook::{{closure}}::h12bbda9af8901ee3
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x5610ac22bb87 - std::panicking::default_hook::h8c6c66d3f3ba6768
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x5610ac22c684 - std::panicking::rust_panic_with_hook::h36f2fa0bb09f4069
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x5610ac22c132 - std::panicking::begin_panic_handler::{{closure}}::h9c42b65a42d06a7a
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x5610ac22ac14 - std::sys_common::backtrace::__rust_end_short_backtrace::hc791bddfe31e532c
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5610ac22c0c9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:517:5
[INFO] [stderr]     14:     0x5610ac1d82f1 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:101:14
[INFO] [stderr]     15:     0x5610ac1d823d - core::panicking::panic::h8a6bc58a21c6c095
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x5610ac1e02a5 - build_script_build::download_file::h5f62a033b6e00723
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.27.0/build.rs:289:3
[INFO] [stderr]     17:     0x5610ac1e06b7 - build_script_build::download_static_lib_binaries::h6b78a24292b8f8b2
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.27.0/build.rs:306:5
[INFO] [stderr]     18:     0x5610ac1dd1f3 - build_script_build::main::h62967074d4f8c584
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.27.0/build.rs:50:7
[INFO] [stderr]     19:     0x5610ac1f10db - core::ops::function::FnOnce::call_once::hc7c1ed21ca335263
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5610ac1f0b2e - std::sys_common::backtrace::__rust_begin_short_backtrace::h44eec7ab86a017ae
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x5610ac1f0bc1 - std::rt::lang_start::{{closure}}::hac10cabbf72c9d83
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:63:18
[INFO] [stderr]     22:     0x5610ac22cb8a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hc590b210ed55e22f
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5610ac22cb8a - std::panicking::try::do_call::h5f0600b7a33ea1af
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stderr]     24:     0x5610ac22cb8a - std::panicking::try::he15826df0f376a33
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stderr]     25:     0x5610ac22cb8a - std::panic::catch_unwind::hd8af3a578b6b4c86
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stderr]     26:     0x5610ac22cb8a - std::rt::lang_start_internal::{{closure}}::h301d1329324ae1f0
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:48
[INFO] [stderr]     27:     0x5610ac22cb8a - std::panicking::try::do_call::h941e8fdb0bd03655
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:403:40
[INFO] [stderr]     28:     0x5610ac22cb8a - std::panicking::try::ha20a77bf65530f63
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panicking.rs:367:19
[INFO] [stderr]     29:     0x5610ac22cb8a - std::panic::catch_unwind::h33afc061cc69ef90
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/panic.rs:129:14
[INFO] [stderr]     30:     0x5610ac22cb8a - std::rt::lang_start_internal::hc05c244593147106
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:45:20
[INFO] [stderr]     31:     0x5610ac1f0b90 - std::rt::lang_start::h274cff297cb022bd
[INFO] [stderr]                                  at /rustc/e784c962ea252f0874a4305168077e7048cb39e9/library/std/src/rt.rs:62:5
[INFO] [stderr]     32:     0x5610ac1e439c - main
[INFO] [stderr]     33:     0x7f58a6f7a0b3 - __libc_start_main
[INFO] [stderr]     34:     0x5610ac1d8a4e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f7c0e28992dbdd100b7668db17cd123d8e513e90886180243c2d07b4522a920d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c0e28992dbdd100b7668db17cd123d8e513e90886180243c2d07b4522a920d", kill_on_drop: false }`
[INFO] [stdout] f7c0e28992dbdd100b7668db17cd123d8e513e90886180243c2d07b4522a920d