[INFO] fetching crate ssr_rs 0.2.3...
[INFO] documenting ssr_rs-0.2.3 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate ssr_rs 0.2.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ssr_rs 0.2.3 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ssr_rs 0.2.3
[INFO] removed 5 missing examples
[INFO] finished tweaking crates.io crate ssr_rs 0.2.3
[INFO] tweaked toml for crates.io crate ssr_rs 0.2.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate ssr_rs 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fslock v0.1.6
[INFO] [stderr]   Downloaded rusty_v8 v0.22.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "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] 5eca5b2f117868188a9354f700a7eeb01a308cb21d667dac15e374a6d8ed38fd
[INFO] running `Command { std: "docker" "start" "-a" "5eca5b2f117868188a9354f700a7eeb01a308cb21d667dac15e374a6d8ed38fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5eca5b2f117868188a9354f700a7eeb01a308cb21d667dac15e374a6d8ed38fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eca5b2f117868188a9354f700a7eeb01a308cb21d667dac15e374a6d8ed38fd", kill_on_drop: false }`
[INFO] [stdout] 5eca5b2f117868188a9354f700a7eeb01a308cb21d667dac15e374a6d8ed38fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4506007e05c33ddd92690c3012949d16f0e03172708a8b432897196eb2b30cd5
[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" "4506007e05c33ddd92690c3012949d16f0e03172708a8b432897196eb2b30cd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling fslock v0.1.6
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling rusty_v8 v0.22.2
[INFO] [stderr] error: failed to run custom build command for `rusty_v8 v0.22.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty_v8-1d6478ac3fe0111c/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/v0.22.2/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/v0.22.2/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.22.2/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/v0.22.2/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/v0.22.2/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/v0.22.2/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_v8-0.22.2/build.rs:285:3
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55b7bff6ae1d - std::backtrace_rs::backtrace::libunwind::trace::h6b91fcf62d4cf303
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55b7bff6ae1d - std::backtrace_rs::backtrace::trace_unsynchronized::he421d5fc2fa2fc42
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b7bff6ae1d - std::sys_common::backtrace::_print_fmt::he1e0697f384b7cfe
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x55b7bff6ae1d - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf5d56574f83b6323
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x55b7bff8a3ac - core::fmt::write::h9ec123cc9d16fa22
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/core/src/fmt/mod.rs:1194:17
[INFO] [stderr]      5:     0x55b7bff67ca1 - std::io::Write::write_fmt::ha32b5ac1b3c681ef
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/io/mod.rs:1655:15
[INFO] [stderr]      6:     0x55b7bff6c645 - std::sys_common::backtrace::_print::hdb250abc158852b2
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x55b7bff6c645 - std::sys_common::backtrace::print::hbf594e8e3e0e8a64
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x55b7bff6c645 - std::panicking::default_hook::{{closure}}::h773a36009b951ce0
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x55b7bff6c2b9 - std::panicking::default_hook::h0d2d4bd196fd699c
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x55b7bff6cc18 - std::panicking::rust_panic_with_hook::h5d72469224fbaa5e
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x55b7bff6ca89 - std::panicking::begin_panic_handler::{{closure}}::hb565b90db4db54ee
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/panicking.rs:586:13
[INFO] [stderr]     12:     0x55b7bff6b2d4 - std::sys_common::backtrace::__rust_end_short_backtrace::h98340f2415982cea
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x55b7bff6c7f9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x55b7bff148f3 - core::panicking::panic_fmt::habc540b6c7d5f003
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x55b7bff147bd - core::panicking::panic::h3de10a0639253a73
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/core/src/panicking.rs:48:5
[INFO] [stderr]     16:     0x55b7bff30949 - build_script_build::download_file::hb23aea8049b7baae
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.2/build.rs:285:3
[INFO] [stderr]     17:     0x55b7bff30ce2 - build_script_build::download_static_lib_binaries::h8548c297dce66d58
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.2/build.rs:302:5
[INFO] [stderr]     18:     0x55b7bff2da8e - build_script_build::main::hab9e6fa4f02ab3a2
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.22.2/build.rs:50:7
[INFO] [stderr]     19:     0x55b7bff29dab - core::ops::function::FnOnce::call_once::hbb17c34828a45368
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/core/src/ops/function.rs:248:5
[INFO] [stderr]     20:     0x55b7bff3712e - std::sys_common::backtrace::__rust_begin_short_backtrace::h9c59c7384766f41f
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     21:     0x55b7bff18ed1 - std::rt::lang_start::{{closure}}::h2956c665b5d6b091
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/rt.rs:145:18
[INFO] [stderr]     22:     0x55b7bff63b4e - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hf86250fb1d208e15
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/core/src/ops/function.rs:280:13
[INFO] [stderr]     23:     0x55b7bff63b4e - std::panicking::try::do_call::h9e4bef40064d3c0e
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/panicking.rs:492:40
[INFO] [stderr]     24:     0x55b7bff63b4e - std::panicking::try::h7281d4bca1af5098
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/panicking.rs:456:19
[INFO] [stderr]     25:     0x55b7bff63b4e - std::panic::catch_unwind::h35339004d3021d2f
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/panic.rs:137:14
[INFO] [stderr]     26:     0x55b7bff63b4e - std::rt::lang_start_internal::{{closure}}::h7e687bf6336994ff
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/rt.rs:128:48
[INFO] [stderr]     27:     0x55b7bff63b4e - std::panicking::try::do_call::hd65cb46a118a84a6
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/panicking.rs:492:40
[INFO] [stderr]     28:     0x55b7bff63b4e - std::panicking::try::h25de5dc26b3c6434
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/panicking.rs:456:19
[INFO] [stderr]     29:     0x55b7bff63b4e - std::panic::catch_unwind::he7f6fc408fae7287
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/panic.rs:137:14
[INFO] [stderr]     30:     0x55b7bff63b4e - std::rt::lang_start_internal::h0bc4f483fa8c791f
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/rt.rs:128:20
[INFO] [stderr]     31:     0x55b7bff18ea0 - std::rt::lang_start::h60e1144bff13ba1e
[INFO] [stderr]                                  at /rustc/e1df625306f4136949e02612406f0c60df6008f3/library/std/src/rt.rs:144:17
[INFO] [stderr]     32:     0x55b7bff345ac - main
[INFO] [stderr]     33:     0x7fc7c9e470b3 - __libc_start_main
[INFO] [stderr]     34:     0x55b7bff14aee - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4506007e05c33ddd92690c3012949d16f0e03172708a8b432897196eb2b30cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4506007e05c33ddd92690c3012949d16f0e03172708a8b432897196eb2b30cd5", kill_on_drop: false }`
[INFO] [stdout] 4506007e05c33ddd92690c3012949d16f0e03172708a8b432897196eb2b30cd5