[INFO] fetching crate deno_plugin_num_cpus 0.1.2...
[INFO] checking deno_plugin_num_cpus-0.1.2 against try#8b72f65b805cbe4c261de45030d663f524f27376 for pr-78991
[INFO] extracting crate deno_plugin_num_cpus 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate deno_plugin_num_cpus 0.1.2 on toolchain 8b72f65b805cbe4c261de45030d663f524f27376
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking crates.io crate deno_plugin_num_cpus 0.1.2
[INFO] finished tweaking crates.io crate deno_plugin_num_cpus 0.1.2
[INFO] tweaked toml for crates.io crate deno_plugin_num_cpus 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8b72f65b805cbe4c261de45030d663f524f27376" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded rusty_v8 v0.8.1
[INFO] [stderr] Downloaded deno_core v0.54.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5597718ce254fb9865485d2c2827303cfa6aa62d01fc914ac1990e731d834ca9
[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" "5597718ce254fb9865485d2c2827303cfa6aa62d01fc914ac1990e731d834ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5597718ce254fb9865485d2c2827303cfa6aa62d01fc914ac1990e731d834ca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5597718ce254fb9865485d2c2827303cfa6aa62d01fc914ac1990e731d834ca9", kill_on_drop: false }`
[INFO] [stdout] 5597718ce254fb9865485d2c2827303cfa6aa62d01fc914ac1990e731d834ca9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8b72f65b805cbe4c261de45030d663f524f27376" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a510783346d08b198274f96cfae30a23ad7fa84acb85ebeb5abdd7fd70cafcb
[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" "3a510783346d08b198274f96cfae30a23ad7fa84acb85ebeb5abdd7fd70cafcb", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] [stderr] Compiling proc-macro2 v1.0.24
[INFO] [stderr] Compiling unicode-xid v0.2.1
[INFO] [stderr] Compiling syn v1.0.48
[INFO] [stderr] Compiling libc v0.2.80
[INFO] [stderr] Compiling memchr v2.3.4
[INFO] [stderr] Checking tinyvec_macros v0.1.0
[INFO] [stderr] Checking matches v0.1.8
[INFO] [stderr] Compiling autocfg v1.0.1
[INFO] [stderr] Compiling serde v1.0.117
[INFO] [stderr] Compiling bitflags v1.2.1
[INFO] [stderr] Compiling cargo_gn v0.0.15
[INFO] [stderr] Compiling ryu v1.0.5
[INFO] [stderr] Checking hashbrown v0.9.1
[INFO] [stderr] Compiling serde_json v1.0.59
[INFO] [stderr] Checking lazy_static v1.4.0
[INFO] [stderr] Checking itoa v0.4.6
[INFO] [stderr] Checking smallvec v1.4.2
[INFO] [stderr] Checking downcast-rs v1.2.0
[INFO] [stderr] Checking unicode-bidi v0.3.4
[INFO] [stderr] Checking form_urlencoded v1.0.0
[INFO] [stderr] Checking tinyvec v1.0.1
[INFO] [stderr] Compiling indexmap v1.6.0
[INFO] [stderr] Checking unicode-normalization v0.1.14
[INFO] [stderr] Compiling quote v1.0.7
[INFO] [stderr] Checking num_cpus v1.13.0
[INFO] [stderr] Checking idna v0.2.0
[INFO] [stderr] Checking url v2.2.0
[INFO] [stderr] Compiling thiserror-impl v1.0.22
[INFO] [stderr] Compiling pin-project-internal v1.0.1
[INFO] [stderr] Compiling futures-macro v0.3.8
[INFO] [stderr] Compiling thiserror v1.0.22
[INFO] [stderr] Compiling which v4.0.2
[INFO] [stderr] Checking pin-project v1.0.1
[INFO] [stderr] Checking futures-util v0.3.8
[INFO] [stderr] Compiling rusty_v8 v0.8.1
[INFO] [stderr] Checking futures-executor v0.3.8
[INFO] [stderr] Checking futures v0.3.8
[INFO] [stderr] error: failed to run custom build command for `rusty_v8 v0.8.1`
[INFO] [stderr]
[INFO] [stderr] Caused by:
[INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty_v8-f3d0c9bc936eba3f/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] static lib URL: https://github.com/denoland/rusty_v8/releases/download/v0.8.1/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/v0.8.1/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr] Downloading https://github.com/denoland/rusty_v8/releases/download/v0.8.1/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/v0.8.1/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/v0.8.1/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/v0.8.1/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 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()', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:224:3
[INFO] [stderr] stack backtrace:
[INFO] [stderr] 0: 0x556229ec9050 - std::backtrace_rs::backtrace::libunwind::trace::h448c56741b6011d3
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr] 1: 0x556229ec9050 - std::backtrace_rs::backtrace::trace_unsynchronized::h2d26397c5720fdbb
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr] 2: 0x556229ec9050 - std::sys_common::backtrace::_print_fmt::h720a2f61f75b9f58
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr] 3: 0x556229ec9050 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8d62bbfda6d5c836
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr] 4: 0x556229ee74dc - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/fmt/mod.rs:1078:17
[INFO] [stderr] 5: 0x556229ec5772 - std::io::Write::write_fmt::h16a9fe7680ac245c
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/io/mod.rs:1518:15
[INFO] [stderr] 6: 0x556229ecb345 - std::sys_common::backtrace::_print::h9ba51a6db618de7d
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr] 7: 0x556229ecb345 - std::sys_common::backtrace::print::h5f20e41c85e91716
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr] 8: 0x556229ecb345 - std::panicking::default_hook::{{closure}}::h5b7294ca19e8edab
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:208:50
[INFO] [stderr] 9: 0x556229ecafe8 - std::panicking::default_hook::hb3948d1f74b6ff4c
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:227:9
[INFO] [stderr] 10: 0x556229ecba81 - std::panicking::rust_panic_with_hook::h55d23fef0ad751bc
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:593:17
[INFO] [stderr] 11: 0x556229e8f97e - std::panicking::begin_panic::{{closure}}::he7004694909277cb
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:522:9
[INFO] [stderr] 12: 0x556229e9d809 - std::sys_common::backtrace::__rust_end_short_backtrace::hcf43c52b65097b7b
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr] 13: 0x556229e8f8ab - std::panicking::begin_panic::hbdf6ab5adaa25a71
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:521:12
[INFO] [stderr] 14: 0x556229e78c25 - build_script_build::download_file::hf64c3da7ec10f3a4
[INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:224:3
[INFO] [stderr] 15: 0x556229e793dd - build_script_build::download_static_lib_binaries::h7b509fcf176e098d
[INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:257:5
[INFO] [stderr] 16: 0x556229e76342 - build_script_build::main::h6c7d7678319fa3f3
[INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:29:7
[INFO] [stderr] 17: 0x556229e8200b - core::ops::function::FnOnce::call_once::h8cbcad76629a332c
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/ops/function.rs:227:5
[INFO] [stderr] 18: 0x556229e81d8e - std::sys_common::backtrace::__rust_begin_short_backtrace::h5b4c41ef66edc901
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr] 19: 0x556229e7e631 - std::rt::lang_start::{{closure}}::ha39f5f689d8b08db
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:66:18
[INFO] [stderr] 20: 0x556229ecbea7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3f3ba5d1e0ce8d49
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/core/src/ops/function.rs:259:13
[INFO] [stderr] 21: 0x556229ecbea7 - std::panicking::try::do_call::hd7a374fc87b951e7
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:381:40
[INFO] [stderr] 22: 0x556229ecbea7 - std::panicking::try::h068087b173f80a49
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panicking.rs:345:19
[INFO] [stderr] 23: 0x556229ecbea7 - std::panic::catch_unwind::h1f8259807e825279
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/panic.rs:396:14
[INFO] [stderr] 24: 0x556229ecbea7 - std::rt::lang_start_internal::h8ff82302dd620b52
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:51:25
[INFO] [stderr] 25: 0x556229e7e607 - std::rt::lang_start::hed099ae98d9a7919
[INFO] [stderr] at /rustc/8b72f65b805cbe4c261de45030d663f524f27376/library/std/src/rt.rs:65:5
[INFO] [stderr] 26: 0x556229e7a54a - main
[INFO] [stderr] 27: 0x7f9e505c60b3 - __libc_start_main
[INFO] [stderr] 28: 0x556229e760be - _start
[INFO] [stderr] 29: 0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3a510783346d08b198274f96cfae30a23ad7fa84acb85ebeb5abdd7fd70cafcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a510783346d08b198274f96cfae30a23ad7fa84acb85ebeb5abdd7fd70cafcb", kill_on_drop: false }`
[INFO] [stdout] 3a510783346d08b198274f96cfae30a23ad7fa84acb85ebeb5abdd7fd70cafcb