[INFO] cloning repository https://github.com/denoland/rusty_v8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/denoland/rusty_v8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenoland%2Frusty_v8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenoland%2Frusty_v8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5f56e218c68e6910fc610b8e99d7b08cf6619b4
[INFO] checking denoland/rusty_v8 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdenoland%2Frusty_v8" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/denoland/rusty_v8 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/denoland/rusty_v8
[INFO] finished tweaking git repo https://github.com/denoland/rusty_v8
[INFO] tweaked toml for git repo https://github.com/denoland/rusty_v8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/denoland/rusty_v8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.20
[INFO] [stderr]   Downloaded trybuild v1.0.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 215a5f5088d08e7c46d180e3a2f0e950216f448e01fdff699d4a7c09746661ba
[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" "215a5f5088d08e7c46d180e3a2f0e950216f448e01fdff699d4a7c09746661ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "215a5f5088d08e7c46d180e3a2f0e950216f448e01fdff699d4a7c09746661ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "215a5f5088d08e7c46d180e3a2f0e950216f448e01fdff699d4a7c09746661ba", kill_on_drop: false }`
[INFO] [stdout] 215a5f5088d08e7c46d180e3a2f0e950216f448e01fdff699d4a7c09746661ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c94f5445afc5b828dcf41d76fb031cbde34d21bcb17230496e96a3d0ea5174b
[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" "2c94f5445afc5b828dcf41d76fb031cbde34d21bcb17230496e96a3d0ea5174b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling rusty_v8 v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking trybuild v1.0.33
[INFO] [stderr] error: failed to run custom build command for `rusty_v8 v0.10.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty_v8-491db2ab04af3a6e/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   static lib URL: https://github.com/denoland/rusty_v8/releases/download/v0.10.0/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/v0.10.0/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.10.0/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/v0.10.0/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/v0.10.0/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/v0.10.0/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()', build.rs:230:3
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x555904f7ca10 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x555904f7ca10 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x555904f7ca10 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x555904f7ca10 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb0ad78ee1571f7e0
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x555904f9a2cc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x555904f79622 - std::io::Write::write_fmt::hf7b7d7b243f84a36
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x555904f7eced - std::sys_common::backtrace::_print::hd093978a5287b8ff
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x555904f7eced - std::sys_common::backtrace::print::h20f46787581d56d7
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x555904f7eced - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x555904f7e998 - std::panicking::default_hook::h4190c9e3edd4d591
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x555904f7f3d1 - std::panicking::rust_panic_with_hook::h72e78719cdda225c
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x555904f3a02c - std::panicking::begin_panic::{{closure}}::h4f9b74f9767fb42b
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/panicking.rs:506
[INFO] [stderr]     12:     0x555904f3d169 - std::sys_common::backtrace::__rust_end_short_backtrace::heeb94d8f12f58408
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x555904f39f57 - std::panicking::begin_panic::hd1b19058a9a59387
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/panicking.rs:505
[INFO] [stderr]     14:     0x555904f2e17c - build_script_build::download_file::h5133c95376befba7
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:230
[INFO] [stderr]     15:     0x555904f2e95d - build_script_build::download_static_lib_binaries::hd85581b100967b3f
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:263
[INFO] [stderr]     16:     0x555904f2b391 - build_script_build::main::h30def54306be1097
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:29
[INFO] [stderr]     17:     0x555904f3761b - core::ops::function::FnOnce::call_once::h2813a9a84b8df960
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/core/src/ops/function.rs:227
[INFO] [stderr]     18:     0x555904f3753e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbea9d4c1576196c0
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     19:     0x555904f32341 - std::rt::lang_start::{{closure}}::h083777c142b61182
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/rt.rs:66
[INFO] [stderr]     20:     0x555904f7f790 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e15f43ce28787f7
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/core/src/ops/function.rs:259
[INFO] [stderr]     21:     0x555904f7f790 - std::panicking::try::do_call::h764f1891769113e9
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/panicking.rs:381
[INFO] [stderr]     22:     0x555904f7f790 - std::panicking::try::h0f2fe4fdd5e0ad19
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/panicking.rs:345
[INFO] [stderr]     23:     0x555904f7f790 - std::panic::catch_unwind::h1634e40dd3a19f80
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/panic.rs:382
[INFO] [stderr]     24:     0x555904f7f790 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/rt.rs:51
[INFO] [stderr]     25:     0x555904f32317 - std::rt::lang_start::hc426c3edfb02a719
[INFO] [stderr]                                  at /rustc/075992eda207e1647b699c8c8ada67b32ce7b115/library/std/src/rt.rs:65
[INFO] [stderr]     26:     0x555904f2faca - main
[INFO] [stderr]     27:     0x7f4518eaa0b3 - __libc_start_main
[INFO] [stderr]     28:     0x555904f2b0be - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "2c94f5445afc5b828dcf41d76fb031cbde34d21bcb17230496e96a3d0ea5174b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c94f5445afc5b828dcf41d76fb031cbde34d21bcb17230496e96a3d0ea5174b", kill_on_drop: false }`
[INFO] [stdout] 2c94f5445afc5b828dcf41d76fb031cbde34d21bcb17230496e96a3d0ea5174b