[INFO] fetching crate deno_plugin_num_cpus 0.1.2...
[INFO] checking deno_plugin_num_cpus-0.1.2 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338
[INFO] extracting crate deno_plugin_num_cpus 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate deno_plugin_num_cpus 0.1.2 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19da46bae0f4ea881840e5caefd1d0605feb9e464073a534fe9274f0987ba8ef
[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" "19da46bae0f4ea881840e5caefd1d0605feb9e464073a534fe9274f0987ba8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19da46bae0f4ea881840e5caefd1d0605feb9e464073a534fe9274f0987ba8ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19da46bae0f4ea881840e5caefd1d0605feb9e464073a534fe9274f0987ba8ef", kill_on_drop: false }`
[INFO] [stdout] 19da46bae0f4ea881840e5caefd1d0605feb9e464073a534fe9274f0987ba8ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85199fa02d44bb57fc745c6e4597dc8c29d8d3ff069e590690f584922658f4e2
[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" "85199fa02d44bb57fc745c6e4597dc8c29d8d3ff069e590690f584922658f4e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.7
[INFO] [stderr]    Compiling thiserror v1.0.21
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.7
[INFO] [stderr]    Compiling rusty_v8 v0.8.1
[INFO] [stderr]     Checking futures-executor v0.3.7
[INFO] [stderr]     Checking futures v0.3.7
[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_v8-7f06c132e44c8d7f/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:     0x555f38999d60 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5
[INFO] [stderr]      1:     0x555f38999d60 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x555f38999d60 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x555f38999d60 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h400b66a054640aac
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x555f389b7d1c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/fmt/mod.rs:1076:17
[INFO] [stderr]      5:     0x555f38996442 - std::io::Write::write_fmt::h6453b28c8b27c6ea
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/io/mod.rs:1516:15
[INFO] [stderr]      6:     0x555f3899c055 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x555f3899c055 - std::sys_common::backtrace::print::h953c7be178c0674d
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x555f3899c055 - std::panicking::default_hook::{{closure}}::h635d667f571198f0
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x555f3899bcf8 - std::panicking::default_hook::h3bc2efb48060abaa
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x555f3899c6d1 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:577:17
[INFO] [stderr]     11:     0x555f38957a7e - std::panicking::begin_panic::{{closure}}::hb32f08fde5ad3a91
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:506:9
[INFO] [stderr]     12:     0x555f3895de49 - std::sys_common::backtrace::__rust_end_short_backtrace::hb41abbb47d7e8e6b
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x555f389579ab - std::panicking::begin_panic::h3f69f04bd0dcec4d
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:505:12
[INFO] [stderr]     14:     0x555f3894bc25 - build_script_build::download_file::headbf9064d851e3b
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:224:3
[INFO] [stderr]     15:     0x555f3894c3dd - build_script_build::download_static_lib_binaries::h89e364ba83bc93bb
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:257:5
[INFO] [stderr]     16:     0x555f38949342 - build_script_build::main::h52da04e3373172af
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.8.1/build.rs:29:7
[INFO] [stderr]     17:     0x555f38955e2b - core::ops::function::FnOnce::call_once::head724b2dd58e4c8
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     18:     0x555f38955d3e - std::sys_common::backtrace::__rust_begin_short_backtrace::h8f85cbf0fe2f1aa5
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     19:     0x555f389517e1 - std::rt::lang_start::{{closure}}::h5676a2c5cce7d3aa
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:66:18
[INFO] [stderr]     20:     0x555f3899caf7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h1af42f2aaad601f7
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     21:     0x555f3899caf7 - std::panicking::try::do_call::h9d43a73a8e9fb04a
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:381:40
[INFO] [stderr]     22:     0x555f3899caf7 - std::panicking::try::h7a8d1100a6afe839
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:345:19
[INFO] [stderr]     23:     0x555f3899caf7 - std::panic::catch_unwind::h9c80942da690cf03
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panic.rs:382:14
[INFO] [stderr]     24:     0x555f3899caf7 - std::rt::lang_start_internal::h18ef240fb861b4d5
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:51:25
[INFO] [stderr]     25:     0x555f389517b7 - std::rt::lang_start::hd0bed75fb215b5bb
[INFO] [stderr]                                  at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/rt.rs:65:5
[INFO] [stderr]     26:     0x555f3894d54a - main
[INFO] [stderr]     27:     0x7f2f0ab860b3 - __libc_start_main
[INFO] [stderr]     28:     0x555f389490be - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "85199fa02d44bb57fc745c6e4597dc8c29d8d3ff069e590690f584922658f4e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85199fa02d44bb57fc745c6e4597dc8c29d8d3ff069e590690f584922658f4e2", kill_on_drop: false }`
[INFO] [stdout] 85199fa02d44bb57fc745c6e4597dc8c29d8d3ff069e590690f584922658f4e2