[INFO] fetching crate serde_v8 0.3.0...
[INFO] checking serde_v8-0.3.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate serde_v8 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate serde_v8 0.3.0 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_v8 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate serde_v8 0.3.0
[INFO] tweaked toml for crates.io crate serde_v8 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate serde_v8 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] b259168210ee6d61a8fa81103beee227a10cc080763d74ee6e8a0dd7a736ca98
[INFO] running `Command { std: "docker" "start" "-a" "b259168210ee6d61a8fa81103beee227a10cc080763d74ee6e8a0dd7a736ca98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b259168210ee6d61a8fa81103beee227a10cc080763d74ee6e8a0dd7a736ca98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b259168210ee6d61a8fa81103beee227a10cc080763d74ee6e8a0dd7a736ca98", kill_on_drop: false }`
[INFO] [stdout] b259168210ee6d61a8fa81103beee227a10cc080763d74ee6e8a0dd7a736ca98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed01450f881ecc770cc40b7562e37b221696e85047d88dbbc013b3990a4cba2b
[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" "ed01450f881ecc770cc40b7562e37b221696e85047d88dbbc013b3990a4cba2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling fslock v0.1.6
[INFO] [stderr]    Compiling rusty_v8 v0.22.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr] error: failed to run custom build command for `rusty_v8 v0.22.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty_v8-677f79784e0fc06f/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/v0.22.1/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/v0.22.1/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.22.1/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/v0.22.1/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/v0.22.1/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/v0.22.1/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 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_v8-0.22.1/build.rs:285:3
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5571bc56e5a0 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x5571bc56e5a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5571bc56e5a0 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x5571bc56e5a0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x5571bc58d59f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x5571bc56b7c5 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x5571bc57042b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x5571bc57042b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x5571bc57042b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x5571bc56ff0d - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x5571bc5709dd - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x5571bc5705a7 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x5571bc56ea5c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x5571bc570539 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x5571bc522301 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5571bc52224d - core::panicking::panic::h3de4db67bd397eb3
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x5571bc5483bb - build_script_build::download_file::h078ae07fea8b8c2a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.1/build.rs:285:3
[INFO] [stderr]     17:     0x5571bc548857 - build_script_build::download_static_lib_binaries::h067cfcc943cb7484
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.1/build.rs:302:5
[INFO] [stderr]     18:     0x5571bc5451e0 - build_script_build::main::hd2d5c0fe02906067
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.1/build.rs:50:7
[INFO] [stderr]     19:     0x5571bc53dd4b - core::ops::function::FnOnce::call_once::h63888bb65dcc4152
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x5571bc54c79e - std::sys_common::backtrace::__rust_begin_short_backtrace::h553b723fcffefd2e
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x5571bc535291 - std::rt::lang_start::{{closure}}::hacc87a8a689459cf
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:49:18
[INFO] [stderr]     22:     0x5571bc570dda - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x5571bc570dda - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x5571bc570dda - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x5571bc570dda - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x5571bc570dda - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:34:21
[INFO] [stderr]     27:     0x5571bc535270 - std::rt::lang_start::h0a6464103bfd67c0
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:48:5
[INFO] [stderr]     28:     0x5571bc54c62c - main
[INFO] [stderr]     29:     0x7fcdaf1000b3 - __libc_start_main
[INFO] [stderr]     30:     0x5571bc5229fe - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "ed01450f881ecc770cc40b7562e37b221696e85047d88dbbc013b3990a4cba2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed01450f881ecc770cc40b7562e37b221696e85047d88dbbc013b3990a4cba2b", kill_on_drop: false }`
[INFO] [stdout] ed01450f881ecc770cc40b7562e37b221696e85047d88dbbc013b3990a4cba2b