[INFO] fetching crate rusty_v8_m 0.4.3...
[INFO] checking rusty_v8_m-0.4.3 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387
[INFO] extracting crate rusty_v8_m 0.4.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate rusty_v8_m 0.4.3 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f0c559838c76493a32604a17e81b253efc393dfb70f7fe127b63e1cbfffee1f
[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" "3f0c559838c76493a32604a17e81b253efc393dfb70f7fe127b63e1cbfffee1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f0c559838c76493a32604a17e81b253efc393dfb70f7fe127b63e1cbfffee1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f0c559838c76493a32604a17e81b253efc393dfb70f7fe127b63e1cbfffee1f", kill_on_drop: false }`
[INFO] [stdout] 3f0c559838c76493a32604a17e81b253efc393dfb70f7fe127b63e1cbfffee1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c54b56c414ca4751b8a29579671bc39d5a6b82f1360af868355cd181d68c86b
[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" "6c54b56c414ca4751b8a29579671bc39d5a6b82f1360af868355cd181d68c86b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[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]     Checking toml v0.5.8
[INFO] [stderr]     Checking trybuild v1.0.42
[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-2ad5babba44c4627/build-script-build` (exit status: 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:     0x55aed5343160 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55aed5343160 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55aed5343160 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55aed5343160 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h767e17e1aa7df6a8
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55aed5361f0f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x55aed5340375 - std::io::Write::write_fmt::h4c802b6f761026c1
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55aed534522b - std::sys_common::backtrace::_print::h2769edb26a7eb606
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55aed534522b - std::sys_common::backtrace::print::ha71f3549862b4cb6
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55aed534522b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55aed5344d01 - std::panicking::default_hook::h290aa602c0fb11df
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55aed5345840 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:625:17
[INFO] [stderr]     11:     0x55aed53453a7 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:517:13
[INFO] [stderr]     12:     0x55aed53435fc - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55aed5345339 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55aed52ed231 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55aed52ed17d - core::panicking::panic::h3de4db67bd397eb3
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55aed52f0be9 - build_script_build::download_static_lib_binaries::h4879b3c3edf79a97
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:229:5
[INFO] [stderr]     17:     0x55aed52edc2c - build_script_build::main::h6f06cd33543bd656
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:29:7
[INFO] [stderr]     18:     0x55aed52f98cb - core::ops::function::FnOnce::call_once::habdeb23ee741af28
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55aed52f710e - std::sys_common::backtrace::__rust_begin_short_backtrace::h01557f87c504eb56
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55aed52f4061 - std::rt::lang_start::{{closure}}::h8bff3756a9121ed7
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:49:18
[INFO] [stderr]     21:     0x55aed5345c7a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h04259e4a34d07c2f
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55aed5345c7a - std::panicking::try::do_call::hb8da45704d5cfbbf
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x55aed5345c7a - std::panicking::try::h4beadc19a78fec52
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x55aed5345c7a - std::panic::catch_unwind::hc58016cd36ba81a4
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/panic.rs:433:14
[INFO] [stderr]     25:     0x55aed5345c7a - std::rt::lang_start_internal::hc51399759a90501a
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:34:21
[INFO] [stderr]     26:     0x55aed52f4040 - std::rt::lang_start::h0dd6b4b7f5ff8143
[INFO] [stderr]                                  at /rustc/7dc9ff5c629753b6930ecfe9a0446538b8e25fb7/library/std/src/rt.rs:48:5
[INFO] [stderr]     27:     0x55aed52f1cbc - main
[INFO] [stderr]     28:     0x7f14a4b450b3 - __libc_start_main
[INFO] [stderr]     29:     0x55aed52ed98e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6c54b56c414ca4751b8a29579671bc39d5a6b82f1360af868355cd181d68c86b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c54b56c414ca4751b8a29579671bc39d5a6b82f1360af868355cd181d68c86b", kill_on_drop: false }`
[INFO] [stdout] 6c54b56c414ca4751b8a29579671bc39d5a6b82f1360af868355cd181d68c86b