[INFO] cloning repository https://github.com/apiel/v8io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apiel/v8io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapiel%2Fv8io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapiel%2Fv8io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c16ea3ef0809f12b68a65ba64fc6c5b36a8f129
[INFO] checking apiel/v8io against master#4c5f6e6277b89e47d73a192078697f7a5f3dc0ac for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapiel%2Fv8io" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/apiel/v8io on toolchain 4c5f6e6277b89e47d73a192078697f7a5f3dc0ac
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/apiel/v8io
[INFO] finished tweaking git repo https://github.com/apiel/v8io
[INFO] tweaked toml for git repo https://github.com/apiel/v8io written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/apiel/v8io already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded which v4.0.0
[INFO] [stderr]   Downloaded rusty_v8 v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 836d1cec4a8e92f750299a1924f56a6a48583f945ff3d7bcabf6022cffae6c06
[INFO] running `Command { std: "docker" "start" "-a" "836d1cec4a8e92f750299a1924f56a6a48583f945ff3d7bcabf6022cffae6c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "836d1cec4a8e92f750299a1924f56a6a48583f945ff3d7bcabf6022cffae6c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "836d1cec4a8e92f750299a1924f56a6a48583f945ff3d7bcabf6022cffae6c06", kill_on_drop: false }`
[INFO] [stdout] 836d1cec4a8e92f750299a1924f56a6a48583f945ff3d7bcabf6022cffae6c06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c5f6e6277b89e47d73a192078697f7a5f3dc0ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f18a6abc363345dde7d35c9397e2357279df30f06189757c34467deba9d0cac
[INFO] running `Command { std: "docker" "start" "-a" "4f18a6abc363345dde7d35c9397e2357279df30f06189757c34467deba9d0cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]    Compiling thiserror v1.0.19
[INFO] [stderr]    Compiling which v4.0.0
[INFO] [stderr]    Compiling rusty_v8 v0.5.1
[INFO] [stderr] error: failed to run custom build command for `rusty_v8 v0.5.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty_v8-8a75afc7cd404012/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   static lib URL: https://github.com/denoland/rusty_v8/releases/download/v0.5.1/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/v0.5.1/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.5.1/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/v0.5.1/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/v0.5.1/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/v0.5.1/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 63, in <module>
[INFO] [stderr]       sys.exit(main())
[INFO] [stderr]     File "./tools/download_file.py", line 58, in main
[INFO] [stderr]       DownloadUrl(args.url, f)
[INFO] [stderr]     File "./tools/download_file.py", line 44, 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_v8-0.5.1/build.rs:219:3
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x557fd681e9bd - std::backtrace_rs::backtrace::libunwind::trace::h151d9394322a9f21
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x557fd681e9bd - std::backtrace_rs::backtrace::trace_unsynchronized::haee61901bc696244
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x557fd681e9bd - std::sys_common::backtrace::_print_fmt::h88951533016d2261
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x557fd681e9bd - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3e9c12457f7dfa32
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x557fd683d8cc - core::fmt::write::h64e77525c9aa396f
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/core/src/fmt/mod.rs:1196:17
[INFO] [stderr]      5:     0x557fd681b791 - std::io::Write::write_fmt::h35831a6493eb0611
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/io/mod.rs:1654:15
[INFO] [stderr]      6:     0x557fd68201e5 - std::sys_common::backtrace::_print::h9e7c3ba7a292422b
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x557fd68201e5 - std::sys_common::backtrace::print::h16d341f62dd06377
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x557fd68201e5 - std::panicking::default_hook::{{closure}}::h1a5442d4e276d3c6
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x557fd681fe59 - std::panicking::default_hook::hf8941c119d814489
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x557fd68207b8 - std::panicking::rust_panic_with_hook::he63c028bbdb8a796
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x557fd6820629 - std::panicking::begin_panic_handler::{{closure}}::h77ea6f808f569b93
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/panicking.rs:586:13
[INFO] [stderr]     12:     0x557fd681ee74 - std::sys_common::backtrace::__rust_end_short_backtrace::h04cc8ba76f4995ac
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x557fd6820399 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x557fd67c78f3 - core::panicking::panic_fmt::hbc39c99685a6933a
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x557fd67c77bd - core::panicking::panic::haca36c102c0073c8
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/core/src/panicking.rs:48:5
[INFO] [stderr]     16:     0x557fd67ca57f - build_script_build::download_file::hd2490937d8d4df72
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.5.1/build.rs:219:3
[INFO] [stderr]     17:     0x557fd67cad34 - build_script_build::download_static_lib_binaries::h1ab374c530be237c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.5.1/build.rs:252:5
[INFO] [stderr]     18:     0x557fd67c7e2b - build_script_build::main::h018a1ac2085beda6
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.5.1/build.rs:29:7
[INFO] [stderr]     19:     0x557fd67d099b - core::ops::function::FnOnce::call_once::h81cd59423054ddfa
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/core/src/ops/function.rs:248:5
[INFO] [stderr]     20:     0x557fd67d076e - std::sys_common::backtrace::__rust_begin_short_backtrace::h67f4c1b8aeb648d4
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     21:     0x557fd67ce411 - std::rt::lang_start::{{closure}}::hb4af7a993f7be418
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/rt.rs:145:18
[INFO] [stderr]     22:     0x557fd68177ce - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h486c870ae64be8de
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/core/src/ops/function.rs:280:13
[INFO] [stderr]     23:     0x557fd68177ce - std::panicking::try::do_call::h93c0ffc1085d5b57
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/panicking.rs:492:40
[INFO] [stderr]     24:     0x557fd68177ce - std::panicking::try::h7c5595061bd7d429
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/panicking.rs:456:19
[INFO] [stderr]     25:     0x557fd68177ce - std::panic::catch_unwind::hcd61b58d8ccec0ef
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/panic.rs:137:14
[INFO] [stderr]     26:     0x557fd68177ce - std::rt::lang_start_internal::{{closure}}::h399810362339f651
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/rt.rs:128:48
[INFO] [stderr]     27:     0x557fd68177ce - std::panicking::try::do_call::h44a9bae66821f22a
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/panicking.rs:492:40
[INFO] [stderr]     28:     0x557fd68177ce - std::panicking::try::h7a9460e7baf94cb5
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/panicking.rs:456:19
[INFO] [stderr]     29:     0x557fd68177ce - std::panic::catch_unwind::h8f73e841347cdd30
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/panic.rs:137:14
[INFO] [stderr]     30:     0x557fd68177ce - std::rt::lang_start_internal::hde65ab0ef5b80e10
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/rt.rs:128:20
[INFO] [stderr]     31:     0x557fd67ce3e0 - std::rt::lang_start::hc4495ebd85a7ea3c
[INFO] [stderr]                                  at /rustc/4c5f6e6277b89e47d73a192078697f7a5f3dc0ac/library/std/src/rt.rs:144:17
[INFO] [stderr]     32:     0x557fd67cbd0c - main
[INFO] [stderr]     33:     0x7f2821af40b3 - __libc_start_main
[INFO] [stderr]     34:     0x557fd67c7aee - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4f18a6abc363345dde7d35c9397e2357279df30f06189757c34467deba9d0cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f18a6abc363345dde7d35c9397e2357279df30f06189757c34467deba9d0cac", kill_on_drop: false }`
[INFO] [stdout] 4f18a6abc363345dde7d35c9397e2357279df30f06189757c34467deba9d0cac