[INFO] fetching crate ast_node 0.4.2...
[INFO] checking ast_node-0.4.2 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate ast_node 0.4.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ast_node 0.4.2 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ast_node 0.4.2
[INFO] finished tweaking crates.io crate ast_node 0.4.2
[INFO] tweaked toml for crates.io crate ast_node 0.4.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pmutil v0.3.0
[INFO] [stderr]   Downloaded swc_macros_common v0.2.0
[INFO] [stderr]   Downloaded ast_node v0.4.2
[INFO] [stderr]   Downloaded swc_common v0.3.1
[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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63037409018f2c34929befa9d2d6518ac1ad3246339b135c3c922223ed89dbb1
[INFO] running `"docker" "start" "-a" "63037409018f2c34929befa9d2d6518ac1ad3246339b135c3c922223ed89dbb1"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking string_cache v0.7.4
[INFO] [stderr]     Checking pmutil v0.3.0
[INFO] [stderr]     Checking darling_core v0.8.6
[INFO] [stderr]     Checking swc_macros_common v0.2.0
[INFO] [stderr]    Compiling darling_macro v0.8.6
[INFO] [stderr]    Compiling darling v0.8.6
[INFO] [stderr]     Checking ast_node v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ast_node v0.4.2
[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] 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]     Checking swc_common v0.3.1
[INFO] [stderr] error[E0277]: the trait bound `<A as Ast>::CustomExpr: swc_common::FoldWith<__Fold>` is not satisfied
[INFO] [stderr]   --> tests/fold_bound.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 | #[derive(Fold)]
[INFO] [stderr]    |          ^^^^ the trait `swc_common::FoldWith<__Fold>` is not implemented for `<A as Ast>::CustomExpr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `where <A as Ast>::CustomExpr: swc_common::FoldWith<__Fold>` bound
[INFO] [stderr]    = note: required because of the requirements on the impl of `swc_common::Fold<<A as Ast>::CustomExpr>` for `__Fold`
[INFO] [stderr]    = note: required by `swc_common::Fold::fold`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the trait bound `<A as Ast>::CustomExpr: swc_common::VisitWith<__V>` is not satisfied
[INFO] [stderr]   --> tests/fold_bound.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 | #[derive(Fold)]
[INFO] [stderr]    |          ^^^^ the trait `swc_common::VisitWith<__V>` is not implemented for `<A as Ast>::CustomExpr`
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider adding a `where <A as Ast>::CustomExpr: swc_common::VisitWith<__V>` bound
[INFO] [stderr]    = note: required because of the requirements on the impl of `swc_common::Visit<<A as Ast>::CustomExpr>` for `__V`
[INFO] [stderr]    = note: required by `swc_common::Visit::visit`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `ast_node`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: cannot find attribute `fold` in this scope
[INFO] [stderr]   --> tests/attr_interop.rs:12:7
[INFO] [stderr]    |
[INFO] [stderr] 12 |     #[fold(ignore)]
[INFO] [stderr]    |       ^^^^ help: a built-in attribute with a similar name exists: `cold`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find attribute `fold` in this scope
[INFO] [stderr]   --> tests/attr_interop.rs:17:37
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct Tuple(#[span] HasSpan, #[fold(ignore)] usize, usize);
[INFO] [stderr]    |                                     ^^^^ help: a built-in attribute with a similar name exists: `cold`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 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" "63037409018f2c34929befa9d2d6518ac1ad3246339b135c3c922223ed89dbb1"`
[INFO] running `"docker" "rm" "-f" "63037409018f2c34929befa9d2d6518ac1ad3246339b135c3c922223ed89dbb1"`
[INFO] [stdout] 63037409018f2c34929befa9d2d6518ac1ad3246339b135c3c922223ed89dbb1