[INFO] fetching crate ast_node 0.4.2...
[INFO] extracting crate ast_node 0.4.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/ast_node/0.4.2
[INFO] extracting crate ast_node 0.4.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ast_node/0.4.2
[INFO] validating manifest of ast_node-0.4.2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ast_node-0.4.2 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ast_node-0.4.2
[INFO] finished frobbing ast_node-0.4.2
[INFO] frobbed toml for ast_node-0.4.2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/ast_node/0.4.2/Cargo.toml
[INFO] started frobbing ast_node-0.4.2
[INFO] finished frobbing ast_node-0.4.2
[INFO] frobbed toml for ast_node-0.4.2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ast_node/0.4.2/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ast_node-0.4.2 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ast_node/0.4.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 05289185182ccdf669fbb37d5bcbfd0365d7c68239127f1002814cc291a85d25
[INFO] running `"docker" "start" "-a" "05289185182ccdf669fbb37d5bcbfd0365d7c68239127f1002814cc291a85d25"`
[INFO] [stderr]     Checking syn v0.15.39
[INFO] [stderr]    Compiling darling_core v0.8.6
[INFO] [stderr]    Compiling pmutil v0.3.0
[INFO] [stderr]     Checking string_cache v0.7.3
[INFO] [stderr]    Compiling swc_macros_common v0.2.0
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]    Compiling ast_node v0.4.2
[INFO] [stderr]    Compiling ast_node v0.4.2 (/opt/crater/workdir)
[INFO] [stderr] error: unknown macro variable `tokens`
[INFO] [stderr]  --> <::pmutil::spanned_quote::declare_vars_for_quote macros>:5:3
[INFO] [stderr]   |
[INFO] [stderr] 5 | ( $ tokens : expr , $ name ) => { $ tokens . push_tokens ( & $ name ) ; } ; )
[INFO] [stderr]   |   ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `tokens`
[INFO] [stderr]  --> <::pmutil::spanned_quote::declare_vars_for_quote macros>:5:35
[INFO] [stderr]   |
[INFO] [stderr] 5 | ( $ tokens : expr , $ name ) => { $ tokens . push_tokens ( & $ name ) ; } ; )
[INFO] [stderr]   |                                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `tokens`
[INFO] [stderr]  --> <::pmutil::spanned_quote::declare_vars_for_quote macros>:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | * ( $ tokens : expr , $ t : tt ) => {
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `t`
[INFO] [stderr]  --> <::pmutil::spanned_quote::declare_vars_for_quote macros>:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | * ( $ tokens : expr , $ t : tt ) => {
[INFO] [stderr]   |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `tokens`
[INFO] [stderr]  --> <::pmutil::spanned_quote::declare_vars_for_quote macros>:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | $ tokens . push_parsed ( stringify ! ( $ t ) ) ; } ; } } ;
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `t`
[INFO] [stderr]  --> <::pmutil::spanned_quote::declare_vars_for_quote macros>:7:40
[INFO] [stderr]   |
[INFO] [stderr] 7 | $ tokens . push_parsed ( stringify ! ( $ t ) ) ; } ; } } ;
[INFO] [stderr]   |                                        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/spanned.rs:80:29
[INFO] [stderr]    |
[INFO] [stderr] 80 |     fn simple_field(field: &ToTokens) -> Box<Expr> {
[INFO] [stderr]    |                             ^^^^^^^^ help: use `dyn`: `dyn ToTokens`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ast_node`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "05289185182ccdf669fbb37d5bcbfd0365d7c68239127f1002814cc291a85d25"`
[INFO] running `"docker" "rm" "-f" "05289185182ccdf669fbb37d5bcbfd0365d7c68239127f1002814cc291a85d25"`
[INFO] [stdout] 05289185182ccdf669fbb37d5bcbfd0365d7c68239127f1002814cc291a85d25