[INFO] crate clucstr 1.1.91 is already in cache
[INFO] testing clucstr-1.1.91 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate clucstr 1.1.91 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate clucstr 1.1.91 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 clucstr 1.1.91
[INFO] finished tweaking crates.io crate clucstr 1.1.91
[INFO] tweaked toml for crates.io crate clucstr 1.1.91 written to work/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate clucstr 1.1.91 already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/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] f50ba5af7095c8bd7474c03728eec67f353ac6da53616ab7e4ca6370563bf3f2
[INFO] running `"docker" "start" "-a" "f50ba5af7095c8bd7474c03728eec67f353ac6da53616ab7e4ca6370563bf3f2"`
[INFO] [stderr]    Compiling clucstr v1.1.91 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]    --> src/lib.rs:195:1
[INFO] [stderr]     |
[INFO] [stderr] 195 | #![feature(plugin_registrar, rustc_private)]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/nightly.rs:24:29
[INFO] [stderr]    |
[INFO] [stderr] 24 |     reg.register_macro("cstr", cstr);
[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::source_map::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::source_map::Span, &'t0 [syntax::tokenstream::TokenTree]) -> std::boxed::Box<(dyn syntax::ext::base::MacResult + 'static)> {nightly::cstr}`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/nightly.rs:29:42
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut parser = cx.new_parser_from_tts(args);
[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[E0061]: this function takes 2 parameters but 1 parameter was supplied
[INFO] [stderr]    --> src/nightly.rs:192:24
[INFO] [stderr]     |
[INFO] [stderr] 192 |                 cx.ty_ident(sp, cx.ident_of("u8"))
[INFO] [stderr]     |                                    ^^^^^^^^ expected 2 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 2 parameters but 1 parameter was supplied
[INFO] [stderr]    --> src/nightly.rs:203:23
[INFO] [stderr]     |
[INFO] [stderr] 203 |             cx.ty_ident(sp, cx.ident_of("CStr")),
[INFO] [stderr]     |                                ^^^^^^^^ expected 2 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `expr_unary` found for type `&mut syntax::ext::base::ExtCtxt<'_>` in the current scope
[INFO] [stderr]    --> src/nightly.rs:209:14
[INFO] [stderr]     |
[INFO] [stderr] 209 |     result = cx.expr_unary(sp, UnOp::Deref, result);
[INFO] [stderr]     |                 ^^^^^^^^^^ help: there is a method with a similar name: `expr_binary`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0061, E0308, E0554, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `clucstr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "f50ba5af7095c8bd7474c03728eec67f353ac6da53616ab7e4ca6370563bf3f2"`
[INFO] running `"docker" "rm" "-f" "f50ba5af7095c8bd7474c03728eec67f353ac6da53616ab7e4ca6370563bf3f2"`
[INFO] [stdout] f50ba5af7095c8bd7474c03728eec67f353ac6da53616ab7e4ca6370563bf3f2