[INFO] crate swc_ecma_transforms 0.7.0 is already in cache
[INFO] testing swc_ecma_transforms-0.7.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate swc_ecma_transforms 0.7.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate swc_ecma_transforms 0.7.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate swc_ecma_transforms 0.7.0
[INFO] finished tweaking crates.io crate swc_ecma_transforms 0.7.0
[INFO] tweaked toml for crates.io crate swc_ecma_transforms 0.7.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13eb1d3bc48c1d025cfc6204ac2dabcaeac4ffa8b1e3b5db2f2d846912b54348
[INFO] running `"docker" "start" "-a" "13eb1d3bc48c1d025cfc6204ac2dabcaeac4ffa8b1e3b5db2f2d846912b54348"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling siphasher v0.3.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling qadapt-spin v1.0.1
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.2.18
[INFO] [stderr]    Compiling ahash v0.3.2
[INFO] [stderr]    Compiling dashmap v3.4.0
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling swc_atoms v0.2.2
[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 v1.0.106
[INFO] [stderr]    Compiling from_variant v0.1.2
[INFO] [stderr]    Compiling string_enum v0.3.0
[INFO] [stderr]    Compiling enum_kind v0.2.0
[INFO] [stderr]    Compiling swc_ecma_parser_macros v0.4.1
[INFO] [stderr]    Compiling is-macro v0.1.8
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.6.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling swc_common v0.5.3
[INFO] [stderr]    Compiling swc_ecma_ast v0.17.0
[INFO] [stderr]    Compiling swc_ecma_parser v0.19.2
[INFO] [stderr]    Compiling swc_ecma_utils v0.3.0
[INFO] [stderr]    Compiling swc_ecma_transforms v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]    --> src/optimization/simplify/expr/mod.rs:491:41
[INFO] [stderr]     |
[INFO] [stderr] 491 | ...                   { iter::once(left).chain(iter::once(right)) },
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `swc_ecma_transforms`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name swc_ecma_transforms --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=c85251532df9bf4e -C extra-filename=-c85251532df9bf4e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern inflector=/opt/rustwide/target/debug/deps/libinflector-708fb32948bc6cdc.rmeta --extern arrayvec=/opt/rustwide/target/debug/deps/libarrayvec-a887d7ebea7d870e.rmeta --extern dashmap=/opt/rustwide/target/debug/deps/libdashmap-8c304835a8f396dc.rmeta --extern either=/opt/rustwide/target/debug/deps/libeither-a6b16bbbb9ea9c88.rmeta --extern fxhash=/opt/rustwide/target/debug/deps/libfxhash-66b8caf7bb47bcd8.rmeta --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-0468f145240c196c.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-d116623cca770c3a.rmeta --extern is_macro=/opt/rustwide/target/debug/deps/libis_macro-f98c0a2e757a8a9b.so --extern log=/opt/rustwide/target/debug/deps/liblog-dd0cc9f7ce37032a.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-3589ce6265465f86.rmeta --extern ordered_float=/opt/rustwide/target/debug/deps/libordered_float-0e10be276916d378.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5673d2c692486c34.rmeta --extern scoped_tls=/opt/rustwide/target/debug/deps/libscoped_tls-977c5a1f7c9b55ce.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ded0b6e67bbbee36.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-96f9de94e0209037.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-079a3bb21ce585fc.rmeta --extern swc_atoms=/opt/rustwide/target/debug/deps/libswc_atoms-b14f3f3a2c0c6c73.rmeta --extern swc_common=/opt/rustwide/target/debug/deps/libswc_common-bd9189df64dda7ed.rmeta --extern swc_ecma_ast=/opt/rustwide/target/debug/deps/libswc_ecma_ast-a0e00a428eae9e4c.rmeta --extern swc_ecma_parser=/opt/rustwide/target/debug/deps/libswc_ecma_parser-011c2559279ea38d.rmeta --extern swc_ecma_utils=/opt/rustwide/target/debug/deps/libswc_ecma_utils-d7059cbdf7aa640d.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-609f6338d660b201.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "13eb1d3bc48c1d025cfc6204ac2dabcaeac4ffa8b1e3b5db2f2d846912b54348"`
[INFO] running `"docker" "rm" "-f" "13eb1d3bc48c1d025cfc6204ac2dabcaeac4ffa8b1e3b5db2f2d846912b54348"`
[INFO] [stdout] 13eb1d3bc48c1d025cfc6204ac2dabcaeac4ffa8b1e3b5db2f2d846912b54348