[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#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustjavac%2Fdeno_plugin_num_cpus" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justjavac/deno_plugin_num_cpus on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-14/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-14/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" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0482f32990a8bcce8f11dde4237f44f31303e04f20a92910a446e3ff5a072907
[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" "0482f32990a8bcce8f11dde4237f44f31303e04f20a92910a446e3ff5a072907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0482f32990a8bcce8f11dde4237f44f31303e04f20a92910a446e3ff5a072907", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0482f32990a8bcce8f11dde4237f44f31303e04f20a92910a446e3ff5a072907", kill_on_drop: false }`
[INFO] [stdout] 0482f32990a8bcce8f11dde4237f44f31303e04f20a92910a446e3ff5a072907
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "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] 9ee7c97d543249695e6a7f0f5ec0ff3d01c434e20dbfa053caebe31f2ba15a01
[INFO] running `Command { std: "docker" "start" "-a" "9ee7c97d543249695e6a7f0f5ec0ff3d01c434e20dbfa053caebe31f2ba15a01", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[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-cd511053b925e7f4/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:     0x5575f56f7f00 - std::backtrace_rs::backtrace::libunwind::trace::h14e81b0c16b543a7
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x5575f56f7f00 - std::backtrace_rs::backtrace::trace_unsynchronized::hc9e39e172835ff32
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x5575f56f7f00 - std::sys_common::backtrace::_print_fmt::h31994df1c8c77b8f
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x5575f56f7f00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he74e98acff43ec99
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x5575f5715f1c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x5575f56f4b97 - std::io::Write::write_fmt::hea6289e6649ff508
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/io/mod.rs:1517
[INFO] [stderr]      6:     0x5575f56fa1a0 - std::sys_common::backtrace::_print::h8cc65937fea24014
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x5575f56fa1a0 - std::sys_common::backtrace::print::hff6a0ebb96535e34
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x5575f56fa1a0 - std::panicking::default_hook::{{closure}}::h71b9700c5dda1b1d
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x5575f56f9eec - std::panicking::default_hook::h0c46e634c06c69b6
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x5575f56fa803 - std::panicking::rust_panic_with_hook::he52576a0c2093334
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x5575f56b551c - std::panicking::begin_panic::{{closure}}::h02b18b4fa56de7e8
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:506
[INFO] [stderr]     12:     0x5575f56bb589 - std::sys_common::backtrace::__rust_end_short_backtrace::h61271c2d0e0eadd9
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x5575f56b5447 - std::panicking::begin_panic::hc92d8c7961c9feec
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:505
[INFO] [stderr]     14:     0x5575f56a9db5 - build_script_build::download_file::h06c5053b9c40e6be
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:224
[INFO] [stderr]     15:     0x5575f56aa588 - build_script_build::download_static_lib_binaries::h8d767a379c694d7a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:257
[INFO] [stderr]     16:     0x5575f56a7391 - build_script_build::main::hd386a8cf05e2ddb9
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:29
[INFO] [stderr]     17:     0x5575f56b485b - core::ops::function::FnOnce::call_once::h448f167a89818e7b
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/ops/function.rs:227
[INFO] [stderr]     18:     0x5575f56af39e - std::sys_common::backtrace::__rust_begin_short_backtrace::h3913eb07ee7c5216
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     19:     0x5575f56ade91 - std::rt::lang_start::{{closure}}::h1a9ca8ff3c374afe
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:66
[INFO] [stderr]     20:     0x5575f56fac01 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h009d20b8a620bf60
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/core/src/ops/function.rs:259
[INFO] [stderr]     21:     0x5575f56fac01 - std::panicking::try::do_call::h09431c39e2107c90
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:381
[INFO] [stderr]     22:     0x5575f56fac01 - std::panicking::try::he27cf60b958af343
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panicking.rs:345
[INFO] [stderr]     23:     0x5575f56fac01 - std::panic::catch_unwind::h7b646b0041dc5591
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/panic.rs:382
[INFO] [stderr]     24:     0x5575f56fac01 - std::rt::lang_start_internal::hdad6c98af1e4747e
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:51
[INFO] [stderr]     25:     0x5575f56ade67 - std::rt::lang_start::h63fddbe772f6c60f
[INFO] [stderr]                                  at /rustc/a874956d940ecb3ed524b6176a171219ac4787ea/library/std/src/rt.rs:65
[INFO] [stderr]     26:     0x5575f56ab70a - main
[INFO] [stderr]     27:     0x7fd8d29630b3 - __libc_start_main
[INFO] [stderr]     28:     0x5575f56a70be - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9ee7c97d543249695e6a7f0f5ec0ff3d01c434e20dbfa053caebe31f2ba15a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ee7c97d543249695e6a7f0f5ec0ff3d01c434e20dbfa053caebe31f2ba15a01", kill_on_drop: false }`
[INFO] [stdout] 9ee7c97d543249695e6a7f0f5ec0ff3d01c434e20dbfa053caebe31f2ba15a01