[INFO] fetching crate swc_bundler 0.18.2...
[INFO] testing swc_bundler-0.18.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate swc_bundler 0.18.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate swc_bundler 0.18.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swc_bundler 0.18.2
[INFO] finished tweaking crates.io crate swc_bundler 0.18.2
[INFO] tweaked toml for crates.io crate swc_bundler 0.18.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate swc_bundler 0.18.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ntest_test_cases v0.7.2
[INFO] [stderr]   Downloaded ntest_proc_macro_helper v0.7.2
[INFO] [stderr]   Downloaded ntest v0.7.2
[INFO] [stderr]   Downloaded radix_fmt v1.0.0
[INFO] [stderr]   Downloaded ntest_timeout v0.7.2
[INFO] [stderr]   Downloaded swc_ecma_codegen_macros v0.5.0
[INFO] [stderr]   Downloaded swc_ecma_transforms_macros v0.1.1
[INFO] [stderr]   Downloaded swc_ecma_utils v0.26.0
[INFO] [stderr]   Downloaded swc_ecma_codegen v0.42.1
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05795d1bc69387aefe53447bc05931af6f60924468b2da08c133f8fc0f0efbf8
[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" "05795d1bc69387aefe53447bc05931af6f60924468b2da08c133f8fc0f0efbf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05795d1bc69387aefe53447bc05931af6f60924468b2da08c133f8fc0f0efbf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05795d1bc69387aefe53447bc05931af6f60924468b2da08c133f8fc0f0efbf8", kill_on_drop: false }`
[INFO] [stdout] 05795d1bc69387aefe53447bc05931af6f60924468b2da08c133f8fc0f0efbf8
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a40373681d68e94b6066450fdcf20eb7ebc5af2e66cf55b8cc0c7e751e23b44d
[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" "a40373681d68e94b6066450fdcf20eb7ebc5af2e66cf55b8cc0c7e751e23b44d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling if_chain v1.0.1
[INFO] [stderr]    Compiling swc_bundler v0.18.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling retain_mut v0.1.1
[INFO] [stderr]    Compiling relative-path v1.3.2
[INFO] [stderr]    Compiling radix_fmt v1.0.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling dashmap v3.11.10
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling swc_atoms v0.2.5
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling swc_macros_common v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling swc_visit_macros v0.2.2
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.0
[INFO] [stderr]    Compiling from_variant v0.1.2
[INFO] [stderr]    Compiling is-macro v0.1.8
[INFO] [stderr]    Compiling enum_kind v0.2.0
[INFO] [stderr]    Compiling string_enum v0.3.0
[INFO] [stderr]    Compiling swc_ecma_parser_macros v0.4.1
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling swc_ecma_codegen_macros v0.5.0
[INFO] [stderr]    Compiling swc_ecma_transforms_macros v0.1.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr] error: could not compile `swc_ecma_codegen_macros`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name swc_ecma_codegen_macros --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/swc_ecma_codegen_macros-0.5.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 -C metadata=0adcf77a1f0d4ed1 -C extra-filename=-0adcf77a1f0d4ed1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern pmutil=/opt/rustwide/target/debug/deps/libpmutil-6d0d2c4c774e72ec.rlib --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fc674c02767ecd53.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-c80413db87535708.rlib --extern swc_macros_common=/opt/rustwide/target/debug/deps/libswc_macros_common-6fc5ac92af95343a.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-99916b45e25661c0.rlib --extern proc_macro --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a40373681d68e94b6066450fdcf20eb7ebc5af2e66cf55b8cc0c7e751e23b44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a40373681d68e94b6066450fdcf20eb7ebc5af2e66cf55b8cc0c7e751e23b44d", kill_on_drop: false }`
[INFO] [stdout] a40373681d68e94b6066450fdcf20eb7ebc5af2e66cf55b8cc0c7e751e23b44d