[INFO] cloning repository https://github.com/justjavac/deno_plugin_num_cpus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justjavac/deno_plugin_num_cpus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustjavac%2Fdeno_plugin_num_cpus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustjavac%2Fdeno_plugin_num_cpus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac04bba5b4033a24b57131c73bfda8f5113eaf38
[INFO] checking justjavac/deno_plugin_num_cpus against master#9a42c6509d399fd205917ebce474b31315c5d3e9 for pr-97427
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustjavac%2Fdeno_plugin_num_cpus" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justjavac/deno_plugin_num_cpus on toolchain 9a42c6509d399fd205917ebce474b31315c5d3e9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-26/source/.cargo/config
[INFO] started tweaking git repo https://github.com/justjavac/deno_plugin_num_cpus
[INFO] finished tweaking git repo https://github.com/justjavac/deno_plugin_num_cpus
[INFO] tweaked toml for git repo https://github.com/justjavac/deno_plugin_num_cpus written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/justjavac/deno_plugin_num_cpus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b13acdf8a363670ad1f47e6771b979665e2095eba9ed0864e09705314bcd960
[INFO] running `Command { std: "docker" "start" "-a" "6b13acdf8a363670ad1f47e6771b979665e2095eba9ed0864e09705314bcd960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b13acdf8a363670ad1f47e6771b979665e2095eba9ed0864e09705314bcd960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b13acdf8a363670ad1f47e6771b979665e2095eba9ed0864e09705314bcd960", kill_on_drop: false }`
[INFO] [stdout] 6b13acdf8a363670ad1f47e6771b979665e2095eba9ed0864e09705314bcd960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+9a42c6509d399fd205917ebce474b31315c5d3e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c16ac4eb92a61442b35fd1f891e73017a53ae539e77688ca87825d46e4dfd982
[INFO] running `Command { std: "docker" "start" "-a" "c16ac4eb92a61442b35fd1f891e73017a53ae539e77688ca87825d46e4dfd982", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.2
[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 v2.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling rusty_v8 v0.8.1
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[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_v8-7a1d92fc84f497e5/build-script-build` (exit status: 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:     0x5603681819ed - std::backtrace_rs::backtrace::libunwind::trace::h208271e3cd6a90bf
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x5603681819ed - std::backtrace_rs::backtrace::trace_unsynchronized::h7539283ba735e74b
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5603681819ed - std::sys_common::backtrace::_print_fmt::h4efaf403793a8190
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x5603681819ed - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd9eacdce7cb4918a
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x5603681a08dc - core::fmt::write::h6f730921ce357641
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/core/src/fmt/mod.rs:1196:17
[INFO] [stderr]      5:     0x56036817e861 - std::io::Write::write_fmt::h8384fca33a6d40f9
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/io/mod.rs:1654:15
[INFO] [stderr]      6:     0x5603681831d5 - std::sys_common::backtrace::_print::h786f6387ae70b67b
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x5603681831d5 - std::sys_common::backtrace::print::h79045abe2095da35
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x5603681831d5 - std::panicking::default_hook::{{closure}}::h3c9c2f3c4dc16fdc
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/panicking.rs:295:22
[INFO] [stderr]      9:     0x560368182ef6 - std::panicking::default_hook::h1eb140ccbfac30d2
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/panicking.rs:314:9
[INFO] [stderr]     10:     0x560368183766 - std::panicking::rust_panic_with_hook::hd3186cbe58617add
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/panicking.rs:698:17
[INFO] [stderr]     11:     0x560368183619 - std::panicking::begin_panic_handler::{{closure}}::h188d2e62c2777798
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/panicking.rs:586:13
[INFO] [stderr]     12:     0x560368181ea4 - std::sys_common::backtrace::__rust_end_short_backtrace::h9cc77fc0efb632ba
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x560368183389 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/panicking.rs:584:5
[INFO] [stderr]     14:     0x56036812a813 - core::panicking::panic_fmt::hbdf363fa23c98069
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x56036812a6dd - core::panicking::panic::h53f0fbd8b372869f
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/core/src/panicking.rs:48:5
[INFO] [stderr]     16:     0x56036812d4ef - build_script_build::download_file::hc53e410f041c22cc
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:224:3
[INFO] [stderr]     17:     0x56036812dca4 - build_script_build::download_static_lib_binaries::h536a17df36fa35ce
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:257:5
[INFO] [stderr]     18:     0x56036812ad4b - build_script_build::main::h07d6d4bfc0ee0974
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:29:7
[INFO] [stderr]     19:     0x56036813391b - core::ops::function::FnOnce::call_once::ha0abb4b509640952
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/core/src/ops/function.rs:248:5
[INFO] [stderr]     20:     0x5603681336ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h59d8422d76d9a084
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     21:     0x560368131391 - std::rt::lang_start::{{closure}}::h4fae9216496ab57b
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/rt.rs:145:18
[INFO] [stderr]     22:     0x56036817a7f6 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2c4ca20a6c35ab2c
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/core/src/ops/function.rs:280:13
[INFO] [stderr]     23:     0x56036817a7f6 - std::panicking::try::do_call::h3cf2ccf5d7b4b47a
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/panicking.rs:492:40
[INFO] [stderr]     24:     0x56036817a7f6 - std::panicking::try::h75304d84a7b7396c
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/panicking.rs:456:19
[INFO] [stderr]     25:     0x56036817a7f6 - std::panic::catch_unwind::h26cbb92a801f373a
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/panic.rs:137:14
[INFO] [stderr]     26:     0x56036817a7f6 - std::rt::lang_start_internal::{{closure}}::h2950c1a1d0a2de34
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/rt.rs:128:48
[INFO] [stderr]     27:     0x56036817a7f6 - std::panicking::try::do_call::hfb08db3340c8f14b
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/panicking.rs:492:40
[INFO] [stderr]     28:     0x56036817a7f6 - std::panicking::try::h0e842e8c083d370e
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/panicking.rs:456:19
[INFO] [stderr]     29:     0x56036817a7f6 - std::panic::catch_unwind::he14a3ab4e8224f7e
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/panic.rs:137:14
[INFO] [stderr]     30:     0x56036817a7f6 - std::rt::lang_start_internal::hbd51c322f90a96f5
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/rt.rs:128:20
[INFO] [stderr]     31:     0x560368131360 - std::rt::lang_start::h2d0a71f062ca6902
[INFO] [stderr]                                  at /rustc/9a42c6509d399fd205917ebce474b31315c5d3e9/library/std/src/rt.rs:144:17
[INFO] [stderr]     32:     0x56036812ec7c - main
[INFO] [stderr]     33:     0x7fc2670ba083 - __libc_start_main
[INFO] [stderr]     34:     0x56036812aa0e - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c16ac4eb92a61442b35fd1f891e73017a53ae539e77688ca87825d46e4dfd982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c16ac4eb92a61442b35fd1f891e73017a53ae539e77688ca87825d46e4dfd982", kill_on_drop: false }`
[INFO] [stdout] c16ac4eb92a61442b35fd1f891e73017a53ae539e77688ca87825d46e4dfd982