[INFO] crate gc_plugin 0.1.1 is already in cache
[INFO] checking gc_plugin-0.1.1 against nightly-2019-10-27 for pr-65897
[INFO] extracting crate gc_plugin 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate gc_plugin 0.1.1 on toolchain nightly-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gc_plugin 0.1.1
[INFO] finished tweaking crates.io crate gc_plugin 0.1.1
[INFO] tweaked toml for crates.io crate gc_plugin 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+nightly-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=allow" "-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" "+nightly-2019-10-27" "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] 80c854a6ca43bb781e51617f93c740d86a69df46d1120a7b2741f5b26cc1d7e6
[INFO] running `"docker" "start" "-a" "80c854a6ca43bb781e51617f93c740d86a69df46d1120a7b2741f5b26cc1d7e6"`
[INFO] [stderr]     Checking gc_plugin v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: could not find `ext` in `syntax`
[INFO] [stderr]   --> src/lib.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax::ext::base::{Annotatable, ExtCtxt, MultiDecorator};
[INFO] [stderr]    |             ^^^ could not find `ext` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::parse::token::intern`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use syntax::parse::token::intern;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `intern` in `parse::token`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `ext` in `syntax`
[INFO] [stderr]   --> src/lib.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 | use syntax::ext::build::AstBuilder;
[INFO] [stderr]    |             ^^^ could not find `ext` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::codemap`
[INFO] [stderr]   --> src/lib.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 | use syntax::codemap::Span;
[INFO] [stderr]    |             ^^^^^^^ could not find `codemap` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `ext` in `syntax`
[INFO] [stderr]   --> src/lib.rs:15:13
[INFO] [stderr]    |
[INFO] [stderr] 15 | use syntax::ext::base::{Annotatable, ExtCtxt, MultiDecorator};
[INFO] [stderr]    |             ^^^ could not find `ext` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::parse::token::intern`
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use syntax::parse::token::intern;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `intern` in `parse::token`
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: could not find `ext` in `syntax`
[INFO] [stderr]   --> src/lib.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 | use syntax::ext::build::AstBuilder;
[INFO] [stderr]    |             ^^^ could not find `ext` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `syntax::codemap`
[INFO] [stderr]   --> src/lib.rs:16:13
[INFO] [stderr]    |
[INFO] [stderr] 16 | use syntax::codemap::Span;
[INFO] [stderr]    |             ^^^^^^^ could not find `codemap` in `syntax`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `MultiDecorator` in this scope
[INFO] [stderr]   --> src/lib.rs:25:59
[INFO] [stderr]    |
[INFO] [stderr] 25 |     reg.register_syntax_extension(intern("derive_Trace"), MultiDecorator(box expand_trace))
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stderr]   --> src/lib.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn expand_trace(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item: &Annotatable, push: &mut FnMut(Annotatable)) {
[INFO] [stderr]    |                              ^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Annotatable` in this scope
[INFO] [stderr]   --> src/lib.rs:28:76
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn expand_trace(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item: &Annotatable, push: &mut FnMut(Annotatable)) {
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Annotatable` in this scope
[INFO] [stderr]   --> src/lib.rs:28:106
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn expand_trace(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item: &Annotatable, push: &mut FnMut(Annotatable)) {
[INFO] [stderr]    |                                                                                                          ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `MultiDecorator` in this scope
[INFO] [stderr]   --> src/lib.rs:25:59
[INFO] [stderr]    |
[INFO] [stderr] 25 |     reg.register_syntax_extension(intern("derive_Trace"), MultiDecorator(box expand_trace))
[INFO] [stderr]    |                                                           ^^^^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stderr]   --> src/lib.rs:78:32
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn trace_substructure(cx: &mut ExtCtxt, trait_span: Span, substr: &Substructure) -> P<Expr> {
[INFO] [stderr]    |                                ^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stderr]   --> src/lib.rs:28:30
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn expand_trace(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item: &Annotatable, push: &mut FnMut(Annotatable)) {
[INFO] [stderr]    |                              ^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `deriving` is private
[INFO] [stderr]   --> src/lib.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 | use syntax_ext::deriving::generic::{combine_substructure, EnumMatching, FieldInfo, MethodDef, Struct, Substructure, TraitDef, ty};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Annotatable` in this scope
[INFO] [stderr]   --> src/lib.rs:28:76
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn expand_trace(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item: &Annotatable, push: &mut FnMut(Annotatable)) {
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `Annotatable` in this scope
[INFO] [stderr]   --> src/lib.rs:28:106
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn expand_trace(cx: &mut ExtCtxt, span: Span, mitem: &MetaItem, item: &Annotatable, push: &mut FnMut(Annotatable)) {
[INFO] [stderr]    |                                                                                                          ^^^^^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stderr]   --> src/lib.rs:78:32
[INFO] [stderr]    |
[INFO] [stderr] 78 | fn trace_substructure(cx: &mut ExtCtxt, trait_span: Span, substr: &Substructure) -> P<Expr> {
[INFO] [stderr]    |                                ^^^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0603]: module `deriving` is private
[INFO] [stderr]   --> src/lib.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 | use syntax_ext::deriving::generic::{combine_substructure, EnumMatching, FieldInfo, MethodDef, Struct, Substructure, TraitDef, ty};
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0425, E0432, E0433, E0603.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: aborting due to 10 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0425, E0432, E0433, E0603.
[INFO] [stderr] error: could not compile `gc_plugin`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: could not compile `gc_plugin`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "80c854a6ca43bb781e51617f93c740d86a69df46d1120a7b2741f5b26cc1d7e6"`
[INFO] running `"docker" "rm" "-f" "80c854a6ca43bb781e51617f93c740d86a69df46d1120a7b2741f5b26cc1d7e6"`
[INFO] [stdout] 80c854a6ca43bb781e51617f93c740d86a69df46d1120a7b2741f5b26cc1d7e6