[INFO] fetching crate crabzilla 0.1.1...
[INFO] checking crabzilla-0.1.1 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate crabzilla 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate crabzilla 0.1.1 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crabzilla 0.1.1
[INFO] finished tweaking crates.io crate crabzilla 0.1.1
[INFO] tweaked toml for crates.io crate crabzilla 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08954e891b253d4a5ca98fd978c774574c839a16f374781ff2e9ea443b2584b9
[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" "08954e891b253d4a5ca98fd978c774574c839a16f374781ff2e9ea443b2584b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08954e891b253d4a5ca98fd978c774574c839a16f374781ff2e9ea443b2584b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08954e891b253d4a5ca98fd978c774574c839a16f374781ff2e9ea443b2584b9", kill_on_drop: false }`
[INFO] [stdout] 08954e891b253d4a5ca98fd978c774574c839a16f374781ff2e9ea443b2584b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 866bc1e68eda015ad80f68f7f5e2446134e464e79bbc7ed050c51ffd8e56cc13
[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" "866bc1e68eda015ad80f68f7f5e2446134e464e79bbc7ed050c51ffd8e56cc13", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cargo_gn v0.0.15
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling fslock v0.1.6
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling rusty_v8 v0.17.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling import_fn v0.1.1
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr] error: failed to run custom build command for `rusty_v8 v0.17.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rusty_v8-c845b8123070ff0c/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[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/v0.17.0/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/v0.17.0/librusty_v8_debug_x86_64-unknown-linux-gnu.a
[INFO] [stderr]   Downloading https://github.com/denoland/rusty_v8/releases/download/v0.17.0/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/v0.17.0/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/v0.17.0/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/v0.17.0/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_v8-0.17.0/build.rs:276:3
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55677ed71e80 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55677ed71e80 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55677ed71e80 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55677ed71e80 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55677ed90e7f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x55677ed6f0a5 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55677ed73d0b - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55677ed73d0b - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55677ed73d0b - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55677ed737ed - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55677ed742bd - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55677ed73e87 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:495:13
[INFO] [stderr]     12:     0x55677ed7233c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55677ed73e19 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55677ed21301 - core::panicking::panic_fmt::hbe99dddd3092ba3c
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55677ed2124d - core::panicking::panic::h3de4db67bd397eb3
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/panicking.rs:50:5
[INFO] [stderr]     16:     0x55677ed25314 - build_script_build::download_file::h758288b729fe280c
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.17.0/build.rs:276:3
[INFO] [stderr]     17:     0x55677ed257bf - build_script_build::download_static_lib_binaries::h4fc8523a54c9eeb3
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.17.0/build.rs:293:5
[INFO] [stderr]     18:     0x55677ed2205e - build_script_build::main::hd280cb4f0a97146a
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rusty_v8-0.17.0/build.rs:46:7
[INFO] [stderr]     19:     0x55677ed2d05b - core::ops::function::FnOnce::call_once::hd28e887762ac1f0e
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55677ed2c43e - std::sys_common::backtrace::__rust_begin_short_backtrace::h77f090146caca494
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55677ed2a011 - std::rt::lang_start::{{closure}}::h282f3d867c279702
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:49:18
[INFO] [stderr]     22:     0x55677ed746ba - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55677ed746ba - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x55677ed746ba - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x55677ed746ba - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x55677ed746ba - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:34:21
[INFO] [stderr]     27:     0x55677ed29ff0 - std::rt::lang_start::h6cf6cbf44845ed44
[INFO] [stderr]                                  at /rustc/50e1dc1536264ab71c0850f346b12309477f29f7/library/std/src/rt.rs:48:5
[INFO] [stderr]     28:     0x55677ed265fc - main
[INFO] [stderr]     29:     0x7ff50b4880b3 - __libc_start_main
[INFO] [stderr]     30:     0x55677ed219fe - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "866bc1e68eda015ad80f68f7f5e2446134e464e79bbc7ed050c51ffd8e56cc13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "866bc1e68eda015ad80f68f7f5e2446134e464e79bbc7ed050c51ffd8e56cc13", kill_on_drop: false }`
[INFO] [stdout] 866bc1e68eda015ad80f68f7f5e2446134e464e79bbc7ed050c51ffd8e56cc13