[INFO] fetching crate rusty_v8 0.12.0...
[INFO] checking rusty_v8-0.12.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate rusty_v8 0.12.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rusty_v8 0.12.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty_v8 0.12.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rusty_v8 0.12.0
[INFO] tweaked toml for crates.io crate rusty_v8 0.12.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rusty_v8 0.12.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] e53d97aec108b95ce2503eecd64a3e8ed0e510b8cb713f685fa6b33858125f71
[INFO] running `Command { std: "docker" "start" "-a" "e53d97aec108b95ce2503eecd64a3e8ed0e510b8cb713f685fa6b33858125f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e53d97aec108b95ce2503eecd64a3e8ed0e510b8cb713f685fa6b33858125f71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e53d97aec108b95ce2503eecd64a3e8ed0e510b8cb713f685fa6b33858125f71", kill_on_drop: false }`
[INFO] [stdout] e53d97aec108b95ce2503eecd64a3e8ed0e510b8cb713f685fa6b33858125f71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1263806802cbd5ad587c804319473716b493d21cf5d4336ff901ee3be23f1a79
[INFO] running `Command { std: "docker" "start" "-a" "1263806802cbd5ad587c804319473716b493d21cf5d4336ff901ee3be23f1a79", 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 termcolor v1.1.0
[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 v0.12.0 (/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 v0.12.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty_v8-30d3ee70d88d3e1a/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   static lib URL: https://github.com/denoland/rusty_v8/releases/download/v0.12.0/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/v0.12.0/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.12.0/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/v0.12.0/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/v0.12.0/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/v0.12.0/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:236:3
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55aff08770c0 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x55aff08770c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55aff08770c0 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55aff08770c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55aff0894e7c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr]      5:     0x55aff0873722 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/io/mod.rs:1519:15
[INFO] [stderr]      6:     0x55aff0879515 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55aff0879515 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55aff0879515 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55aff087906a - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55aff0879cb1 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55aff083cbbe - std::panicking::begin_panic::{{closure}}::he7004694909277cb
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/panicking.rs:520:9
[INFO] [stderr]     12:     0x55aff084a3c9 - std::sys_common::backtrace::__rust_end_short_backtrace::hcf43c52b65097b7b
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55aff083caeb - std::panicking::begin_panic::hbdf6ab5adaa25a71
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/panicking.rs:519:12
[INFO] [stderr]     14:     0x55aff0826181 - build_script_build::download_file::h32dc6d9726c03037
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:236:3
[INFO] [stderr]     15:     0x55aff082694d - build_script_build::download_static_lib_binaries::h9fcaa5ea9e0a844d
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:269:5
[INFO] [stderr]     16:     0x55aff0823342 - build_script_build::main::hbd479bf92d3b12ea
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:30:7
[INFO] [stderr]     17:     0x55aff082990b - core::ops::function::FnOnce::call_once::h16db4a8e24216aa1
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x55aff082ec8e - std::sys_common::backtrace::__rust_begin_short_backtrace::h3c9f58625496a3a3
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x55aff082ef81 - std::rt::lang_start::{{closure}}::hf3c8fcd5a2f4e3f0
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/rt.rs:66:18
[INFO] [stderr]     20:     0x55aff087a0d7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x55aff087a0d7 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/panicking.rs:379:40
[INFO] [stderr]     22:     0x55aff087a0d7 - std::panicking::try::h068087b173f80a49
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/panicking.rs:343:19
[INFO] [stderr]     23:     0x55aff087a0d7 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/panic.rs:396:14
[INFO] [stderr]     24:     0x55aff087a0d7 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/rt.rs:51:25
[INFO] [stderr]     25:     0x55aff082ef57 - std::rt::lang_start::hf979169b07a7e449
[INFO] [stderr]                                  at /rustc/c919f490bbcd2b29b74016101f7ec71aaa24bdbb/library/std/src/rt.rs:65:5
[INFO] [stderr]     26:     0x55aff0827aba - main
[INFO] [stderr]     27:     0x7f5b75a6b0b3 - __libc_start_main
[INFO] [stderr]     28:     0x55aff08230be - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "1263806802cbd5ad587c804319473716b493d21cf5d4336ff901ee3be23f1a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1263806802cbd5ad587c804319473716b493d21cf5d4336ff901ee3be23f1a79", kill_on_drop: false }`
[INFO] [stdout] 1263806802cbd5ad587c804319473716b493d21cf5d4336ff901ee3be23f1a79