[INFO] fetching crate js-sandbox 0.1.6...
[INFO] checking js-sandbox-0.1.6 against master#f90b06d7fb00470177516c5881bcec0432cb4f24 for pr-94063
[INFO] extracting crate js-sandbox 0.1.6 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate js-sandbox 0.1.6 on toolchain f90b06d7fb00470177516c5881bcec0432cb4f24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate js-sandbox 0.1.6
[INFO] finished tweaking crates.io crate js-sandbox 0.1.6
[INFO] tweaked toml for crates.io crate js-sandbox 0.1.6 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6a7c01aea7570d151bbce0f63624d478267e2400fd4bb2dc0aecba8940fb5cf
[INFO] running `Command { std: "docker" "start" "-a" "a6a7c01aea7570d151bbce0f63624d478267e2400fd4bb2dc0aecba8940fb5cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a7c01aea7570d151bbce0f63624d478267e2400fd4bb2dc0aecba8940fb5cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a7c01aea7570d151bbce0f63624d478267e2400fd4bb2dc0aecba8940fb5cf", kill_on_drop: false }`
[INFO] [stdout] a6a7c01aea7570d151bbce0f63624d478267e2400fd4bb2dc0aecba8940fb5cf
[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=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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+f90b06d7fb00470177516c5881bcec0432cb4f24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44da0e0edabf5099702f168fcef6cc420a39d62ffdd412f59f03695197399c87
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "44da0e0edabf5099702f168fcef6cc420a39d62ffdd412f59f03695197399c87", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]    Compiling which v4.2.4
[INFO] [stderr]    Compiling fslock v0.1.8
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling rusty_v8 v0.22.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr] error: failed to run custom build command for `rusty_v8 v0.22.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty_v8-8bad423930a0d4ca/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/v0.22.3/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/v0.22.3/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.22.3/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/v0.22.3/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/v0.22.3/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/v0.22.3/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_v8-0.22.3/build.rs:285:3
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55c3917fe0bc - std::backtrace_rs::backtrace::libunwind::trace::h24bed79a4e87f039
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55c3917fe0bc - std::backtrace_rs::backtrace::trace_unsynchronized::hbde25f520543275e
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55c3917fe0bc - std::sys_common::backtrace::_print_fmt::he1ea71634ce902a0
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x55c3917fe0bc - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h19321c369f754387
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x55c39182039c - core::fmt::write::h35f65ca9a20fef37
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/core/src/fmt/mod.rs:1190:17
[INFO] [stderr]      5:     0x55c3917f9c78 - std::io::Write::write_fmt::hd152e1440bddaff1
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/io/mod.rs:1657:15
[INFO] [stderr]      6:     0x55c3918000e7 - std::sys_common::backtrace::_print::ha44f5e28101f6d69
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x55c3918000e7 - std::sys_common::backtrace::print::hf743e3aef8637111
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x55c3918000e7 - std::panicking::default_hook::{{closure}}::h2dd0f72a52395822
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x55c3917ffdaf - std::panicking::default_hook::hc4d7f6b72345e93f
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x55c39180084a - std::panicking::rust_panic_with_hook::h6c430b7ecde3c540
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x55c3918004f9 - std::panicking::begin_panic_handler::{{closure}}::h9a86187084494afe
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/panicking.rs:586:13
[INFO] [stderr]     12:     0x55c3917fe564 - std::sys_common::backtrace::__rust_end_short_backtrace::hcc0fba319bcf5ea3
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x55c391800239 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x55c3917ac423 - core::panicking::panic_fmt::h3884c4747ffb10fc
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/core/src/panicking.rs:143:14
[INFO] [stderr]     15:     0x55c3917ac2ed - core::panicking::panic::h404f223ca0e4e153
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/core/src/panicking.rs:48:5
[INFO] [stderr]     16:     0x55c3917b443b - build_script_build::download_file::hd537c15c2f8fc012
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.3/build.rs:285:3
[INFO] [stderr]     17:     0x55c3917b47cf - build_script_build::download_static_lib_binaries::h3000a1f2cd14c649
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.3/build.rs:302:5
[INFO] [stderr]     18:     0x55c3917b14db - build_script_build::main::h587aaeed4fab2029
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.3/build.rs:50:7
[INFO] [stderr]     19:     0x55c3917c763b - core::ops::function::FnOnce::call_once::hf17847ca488dee21
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55c3917d43ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h957b6183b83031b8
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     21:     0x55c3917c2a31 - std::rt::lang_start::{{closure}}::h29a2ad33fa289b2e
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/rt.rs:145:18
[INFO] [stderr]     22:     0x55c3917fd7a1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h41a982ca86c3810d
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55c3917fd7a1 - std::panicking::try::do_call::h85059852938339e3
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/panicking.rs:492:40
[INFO] [stderr]     24:     0x55c3917fd7a1 - std::panicking::try::hf4f4ad9cf8ba4ebb
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/panicking.rs:456:19
[INFO] [stderr]     25:     0x55c3917fd7a1 - std::panic::catch_unwind::hd0fff3df622d13b2
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/panic.rs:137:14
[INFO] [stderr]     26:     0x55c3917fd7a1 - std::rt::lang_start_internal::{{closure}}::h8835b8f353474117
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/rt.rs:128:48
[INFO] [stderr]     27:     0x55c3917fd7a1 - std::panicking::try::do_call::hc1e83656f13ed635
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/panicking.rs:492:40
[INFO] [stderr]     28:     0x55c3917fd7a1 - std::panicking::try::h82658b065e18c36e
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/panicking.rs:456:19
[INFO] [stderr]     29:     0x55c3917fd7a1 - std::panic::catch_unwind::h948768afec73f153
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/panic.rs:137:14
[INFO] [stderr]     30:     0x55c3917fd7a1 - std::rt::lang_start_internal::h1d1c5443e476e9aa
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/rt.rs:128:20
[INFO] [stderr]     31:     0x55c3917c2a00 - std::rt::lang_start::h7a45416341a74c03
[INFO] [stderr]                                  at /rustc/f90b06d7fb00470177516c5881bcec0432cb4f24/library/std/src/rt.rs:144:17
[INFO] [stderr]     32:     0x55c3917b803c - main
[INFO] [stderr]     33:     0x7f42504560b3 - __libc_start_main
[INFO] [stderr]     34:     0x55c3917acbae - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "44da0e0edabf5099702f168fcef6cc420a39d62ffdd412f59f03695197399c87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44da0e0edabf5099702f168fcef6cc420a39d62ffdd412f59f03695197399c87", kill_on_drop: false }`
[INFO] [stdout] 44da0e0edabf5099702f168fcef6cc420a39d62ffdd412f59f03695197399c87