[INFO] fetching crate rusty_v8_m 0.4.3...
[INFO] checking rusty_v8_m-0.4.3 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate rusty_v8_m 0.4.3 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rusty_v8_m 0.4.3 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty_v8_m 0.4.3
[INFO] finished tweaking crates.io crate rusty_v8_m 0.4.3
[INFO] tweaked toml for crates.io crate rusty_v8_m 0.4.3 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 750b1d36773a3ab1b434bc55b0254abc11de0588d6ca5fd225a320d8f62e1cfc
[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" "750b1d36773a3ab1b434bc55b0254abc11de0588d6ca5fd225a320d8f62e1cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "750b1d36773a3ab1b434bc55b0254abc11de0588d6ca5fd225a320d8f62e1cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "750b1d36773a3ab1b434bc55b0254abc11de0588d6ca5fd225a320d8f62e1cfc", kill_on_drop: false }`
[INFO] [stdout] 750b1d36773a3ab1b434bc55b0254abc11de0588d6ca5fd225a320d8f62e1cfc
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbb5d78f97d99b4accb5e7de09d228d041d74676de658ca80ec61ade0b92c20f
[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" "cbb5d78f97d99b4accb5e7de09d228d041d74676de658ca80ec61ade0b92c20f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling trybuild v1.0.41
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling rusty_v8_m v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rusty_v8_m v0.4.3 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty_v8_m-9c3636a6b2f068d9/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   static lib URL: https://github.com/semantic-machines/rusty_v8/releases/download/v0.4.3/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/semantic-machines/rusty_v8/releases/download/v0.4.3/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Downloading https://github.com/semantic-machines/rusty_v8/releases/download/v0.4.3/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/semantic-machines/rusty_v8/releases/download/v0.4.3/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/semantic-machines/rusty_v8/releases/download/v0.4.3/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/semantic-machines/rusty_v8/releases/download/v0.4.3/librusty_v8_debug_x86_64-unknown-linux-gnu.a...
[INFO] [stderr]   <urlopen error [Errno -3] Temporary failure in name resolution>
[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()', build.rs:229:5
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562f4e5eab20 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x562f4e5eab20 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x562f4e5eab20 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x562f4e5eab20 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7b3d6cac46d277e1
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x562f4e605b8f - core::fmt::write::h127419eb46f2ecc9
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/core/src/fmt/mod.rs:1092:17
[INFO] [stderr]      5:     0x562f4e5e7c82 - std::io::Write::write_fmt::h6010cfbb4726588b
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/io/mod.rs:1572:15
[INFO] [stderr]      6:     0x562f4e5ecb25 - std::sys_common::backtrace::_print::h79b4f9652330cc9d
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x562f4e5ecb25 - std::sys_common::backtrace::print::h330bb326a76af8cf
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x562f4e5ecb25 - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x562f4e5ec5d3 - std::panicking::default_hook::h17e521ba6d68d6e1
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x562f4e5ed12d - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x562f4e5ecc97 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x562f4e5eafdc - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x562f4e5ecc29 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x562f4e58e321 - core::panicking::panic_fmt::h5322a082d19786c3
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x562f4e58e26d - core::panicking::panic::haebb15b6842d6229
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x562f4e591c03 - build_script_build::download_static_lib_binaries::h40a1fd80ec02e0cc
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:229:5
[INFO] [stderr]     17:     0x562f4e58ec33 - build_script_build::main::h0e6cb4ba872f707e
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:29:7
[INFO] [stderr]     18:     0x562f4e598e1b - core::ops::function::FnOnce::call_once::hdae8f839bd4555bb
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x562f4e598bee - std::sys_common::backtrace::__rust_begin_short_backtrace::hf78cfd35e6000fa3
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x562f4e5951f1 - std::rt::lang_start::{{closure}}::ha0914ed5a1fed7f2
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x562f4e5ed52a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hbcc915e668c7ca11
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x562f4e5ed52a - std::panicking::try::do_call::h6b0f430d48122ddf
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x562f4e5ed52a - std::panicking::try::h6ba420e2e21b5afa
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x562f4e5ed52a - std::panic::catch_unwind::h8366719d1f615eee
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x562f4e5ed52a - std::rt::lang_start_internal::h965c28c9ce06ee73
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x562f4e5951d0 - std::rt::lang_start::h48037556ea7b06c5
[INFO] [stderr]                                  at /rustc/99a443d6903f71d521237d8acb5a3016b534d17b/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x562f4e592cec - main
[INFO] [stderr]     28:     0x7f72f76fc0b3 - __libc_start_main
[INFO] [stderr]     29:     0x562f4e58e98e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "cbb5d78f97d99b4accb5e7de09d228d041d74676de658ca80ec61ade0b92c20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb5d78f97d99b4accb5e7de09d228d041d74676de658ca80ec61ade0b92c20f", kill_on_drop: false }`
[INFO] [stdout] cbb5d78f97d99b4accb5e7de09d228d041d74676de658ca80ec61ade0b92c20f