[INFO] crate unicode_names2_macros 0.3.0 is already in cache
[INFO] testing unicode_names2_macros-0.3.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate unicode_names2_macros 0.3.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate unicode_names2_macros 0.3.0 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate unicode_names2_macros 0.3.0
[INFO] finished tweaking crates.io crate unicode_names2_macros 0.3.0
[INFO] tweaked toml for crates.io crate unicode_names2_macros 0.3.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] c3a9a58d0284ed8c2ccd1f80b61749fd0d92906409a5cd266059d6a47aca69da
[INFO] running `"docker" "start" "-a" "c3a9a58d0284ed8c2ccd1f80b61749fd0d92906409a5cd266059d6a47aca69da"`
[INFO] [stderr]    Compiling unicode_names2 v0.3.0
[INFO] [stderr]    Compiling unicode_names2_macros v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `syntax::ext::build::AstBuilder`
[INFO] [stderr]   --> src/lib.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use syntax::ext::build::AstBuilder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `AstBuilder` in `ext::build`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(plugin_registrar, plugin, rustc_private)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rustc_plugin': import this through `rustc_driver::plugin` instead to make TLS work correctly. See https://github.com/rust-lang/rust/issues/62717
[INFO] [stderr]   --> src/lib.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | extern crate rustc_plugin;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:27:44
[INFO] [stderr]    |
[INFO] [stderr] 27 |     registrar.register_macro("named_char", named_char);
[INFO] [stderr]    |                                            ^^^^^^^^^^ expected struct `syntax::tokenstream::TokenStream`, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `for<'cx, 'r> fn(&'cx mut syntax::ext::base::ExtCtxt<'r>, syntax_pos::Span, syntax::tokenstream::TokenStream) -> std::boxed::Box<(dyn syntax::ext::base::MacResult + 'cx)>`
[INFO] [stderr]               found type `for<'r, 's, 't0> fn(&'r mut syntax::ext::base::ExtCtxt<'s>, syntax_pos::Span, &'t0 [syntax::tokenstream::TokenTree]) -> std::boxed::Box<(dyn syntax::ext::base::MacResult + 'static)> {named_char}`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:28:39
[INFO] [stderr]    |
[INFO] [stderr] 28 |     registrar.register_macro("named", named);
[INFO] [stderr]    |                                       ^^^^^ expected struct `syntax::tokenstream::TokenStream`, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `for<'cx, 'r> fn(&'cx mut syntax::ext::base::ExtCtxt<'r>, syntax_pos::Span, syntax::tokenstream::TokenStream) -> std::boxed::Box<(dyn syntax::ext::base::MacResult + 'cx)>`
[INFO] [stderr]               found type `for<'r, 's, 't0> fn(&'r mut syntax::ext::base::ExtCtxt<'s>, syntax_pos::Span, &'t0 [syntax::tokenstream::TokenTree]) -> std::boxed::Box<(dyn syntax::ext::base::MacResult + 'static)> {named}`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:32:49
[INFO] [stderr]    |
[INFO] [stderr] 32 |     match base::get_single_str_from_tts(cx, sp, tts, "named_char") {
[INFO] [stderr]    |                                                 ^^^ expected struct `syntax::tokenstream::TokenStream`, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `syntax::tokenstream::TokenStream`
[INFO] [stderr]               found type `&[syntax::tokenstream::TokenTree]`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `expr` found for type `syntax::ext::base::DummyResult` in the current scope
[INFO] [stderr]   --> src/lib.rs:42:18
[INFO] [stderr]    |
[INFO] [stderr] 42 |     DummyResult::expr(sp)
[INFO] [stderr]    |                  ^^^^ function or associated item not found in `syntax::ext::base::DummyResult`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:45:62
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let string = match base::get_single_str_from_tts(cx, sp, tts, "named") {
[INFO] [stderr]    |                                                              ^^^ expected struct `syntax::tokenstream::TokenStream`, found reference
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `syntax::tokenstream::TokenStream`
[INFO] [stderr]               found type `&[syntax::tokenstream::TokenTree]`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `expr` found for type `syntax::ext::base::DummyResult` in the current scope
[INFO] [stderr]   --> src/lib.rs:46:37
[INFO] [stderr]    |
[INFO] [stderr] 46 |         None => return DummyResult::expr(sp),
[INFO] [stderr]    |                                     ^^^^ function or associated item not found in `syntax::ext::base::DummyResult`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0432, E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `unicode_names2_macros`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c3a9a58d0284ed8c2ccd1f80b61749fd0d92906409a5cd266059d6a47aca69da"`
[INFO] running `"docker" "rm" "-f" "c3a9a58d0284ed8c2ccd1f80b61749fd0d92906409a5cd266059d6a47aca69da"`
[INFO] [stdout] c3a9a58d0284ed8c2ccd1f80b61749fd0d92906409a5cd266059d6a47aca69da