[INFO] fetching crate plague 0.6.3...
[INFO] testing plague-0.6.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate plague 0.6.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate plague 0.6.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plague 0.6.3
[INFO] finished tweaking crates.io crate plague 0.6.3
[INFO] tweaked toml for crates.io crate plague 0.6.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6e8131aaa1106e534b83dec5514a0fd9b1ad8d1eae60e63e8c164d51c140e4c
[INFO] running `Command { std: "docker" "start" "-a" "e6e8131aaa1106e534b83dec5514a0fd9b1ad8d1eae60e63e8c164d51c140e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6e8131aaa1106e534b83dec5514a0fd9b1ad8d1eae60e63e8c164d51c140e4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e8131aaa1106e534b83dec5514a0fd9b1ad8d1eae60e63e8c164d51c140e4c", kill_on_drop: false }`
[INFO] [stdout] e6e8131aaa1106e534b83dec5514a0fd9b1ad8d1eae60e63e8c164d51c140e4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3e81627f2e40a80bf217916f8025b21bd51cd1bec09d7201a36409bad7874eb
[INFO] running `Command { std: "docker" "start" "-a" "d3e81627f2e40a80bf217916f8025b21bd51cd1bec09d7201a36409bad7874eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling plague v0.6.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: a __rustc_plugin_registrar symbol must now be defined instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(quote)]
[INFO] [stdout]   |            ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate rustc_plugin;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | extern crate syntax;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]   --> src/lib.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[plugin_registrar]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `plugin_registrar` is in scope, but it is a function, not an attribute
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_meta_item` in this scope
[INFO] [stdout]    --> src/lib.rs:158:26
[INFO] [stdout]     |
[INFO] [stdout] 158 |             let unused = quote_meta_item!(cx, allow(unused));
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_meta_item` in this scope
[INFO] [stdout]    --> src/lib.rs:172:36
[INFO] [stdout]     |
[INFO] [stdout] 172 |             cx.attribute(DUMMY_SP, quote_meta_item!(cx, test)),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_meta_item` in this scope
[INFO] [stdout]    --> src/lib.rs:173:36
[INFO] [stdout]     |
[INFO] [stdout] 173 |             cx.attribute(DUMMY_SP, quote_meta_item!(cx, should_panic)),
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_meta_item` in this scope
[INFO] [stdout]    --> src/lib.rs:177:37
[INFO] [stdout]     |
[INFO] [stdout] 177 |         vec![cx.attribute(DUMMY_SP, quote_meta_item!(cx, test))]
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_expr` in this scope
[INFO] [stdout]    --> src/lib.rs:216:9
[INFO] [stdout]     |
[INFO] [stdout] 216 |         quote_expr!(cx, {
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `DummyResult`
[INFO] [stdout]   --> src/lib.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     DummyResult::any(span)
[INFO] [stdout]    |                     ^^^^^^^^^^^ use of undeclared type `DummyResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `DummyResult`
[INFO] [stdout]   --> src/lib.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             DummyResult::any(span)
[INFO] [stdout]    |             ^^^^^^^^^^^ use of undeclared type `DummyResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `keywords`
[INFO] [stdout]   --> src/lib.rs:64:32
[INFO] [stdout]    |
[INFO] [stdout] 64 |     try!(parser.expect_keyword(keywords::For));
[INFO] [stdout]    |                                ^^^^^^^^ use of undeclared crate or module `keywords`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Token`
[INFO] [stdout]   --> src/lib.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 |         &Token::OpenDelim(DelimToken::Bracket),
[INFO] [stdout]    |          ^^^^^ use of undeclared type `Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `DelimToken`
[INFO] [stdout]   --> src/lib.rs:67:27
[INFO] [stdout]    |
[INFO] [stdout] 67 |         &Token::OpenDelim(DelimToken::Bracket),
[INFO] [stdout]    |                           ^^^^^^^^^^ use of undeclared type `DelimToken`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Token`
[INFO] [stdout]   --> src/lib.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 |         &Token::CloseDelim(DelimToken::Bracket),
[INFO] [stdout]    |          ^^^^^ use of undeclared type `Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `DelimToken`
[INFO] [stdout]   --> src/lib.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |         &Token::CloseDelim(DelimToken::Bracket),
[INFO] [stdout]    |                            ^^^^^^^^^^ use of undeclared type `DelimToken`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SeqSep`
[INFO] [stdout]   --> src/lib.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         SeqSep::trailing_allowed(Token::Comma),
[INFO] [stdout]    |         ^^^^^^ use of undeclared type `SeqSep`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Token`
[INFO] [stdout]   --> src/lib.rs:69:34
[INFO] [stdout]    |
[INFO] [stdout] 69 |         SeqSep::trailing_allowed(Token::Comma),
[INFO] [stdout]    |                                  ^^^^^ use of undeclared type `Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Token`
[INFO] [stdout]   --> src/lib.rs:75:36
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let should_panic = parser.eat(&Token::Not);
[INFO] [stdout]    |                                    ^^^^^ use of undeclared type `Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Token`
[INFO] [stdout]   --> src/lib.rs:77:42
[INFO] [stdout]    |
[INFO] [stdout] 77 |     let result = if parser.look_ahead(1, Token::is_ident) {
[INFO] [stdout]    |                                          ^^^^^ use of undeclared type `Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Token`
[INFO] [stdout]   --> src/lib.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |     if !parser.eat(&Token::Eof) {
[INFO] [stdout]    |                     ^^^^^ use of undeclared type `Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Token`
[INFO] [stdout]   --> src/lib.rs:97:30
[INFO] [stdout]    |
[INFO] [stdout] 97 |     let ret = if parser.eat(&Token::RArrow) {
[INFO] [stdout]    |                              ^^^^^ use of undeclared type `Token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `PathStyle`
[INFO] [stdout]    --> src/lib.rs:108:39
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let path = try!(parser.parse_path(PathStyle::Expr));
[INFO] [stdout]     |                                       ^^^^^^^^^ use of undeclared type `PathStyle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ItemKind`
[INFO] [stdout]    --> src/lib.rs:123:15
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let fn_ = ItemKind::Fn(decl, unsafety, constness, abi, generics, body);
[INFO] [stdout]     |               ^^^^^^^^ use of undeclared type `ItemKind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `MacEager`
[INFO] [stdout]    --> src/lib.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 |     Ok(MacEager::items(SmallVector::many(fns)))
[INFO] [stdout]     |        ^^^^^^^^ use of undeclared type `MacEager`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SmallVector`
[INFO] [stdout]    --> src/lib.rs:204:24
[INFO] [stdout]     |
[INFO] [stdout] 204 |     Ok(MacEager::items(SmallVector::many(fns)))
[INFO] [stdout]     |                        ^^^^^^^^^^^ use of undeclared type `SmallVector`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ItemKind`
[INFO] [stdout]    --> src/lib.rs:231:5
[INFO] [stdout]     |
[INFO] [stdout] 231 |     ItemKind::Fn(
[INFO] [stdout]     |     ^^^^^^^^ use of undeclared type `ItemKind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `FunctionRetTy`
[INFO] [stdout]    --> src/lib.rs:232:44
[INFO] [stdout]     |
[INFO] [stdout] 232 |         P(FnDecl { inputs: vec![], output: FunctionRetTy::Default(DUMMY_SP), variadic: false }),
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^ use of undeclared type `FunctionRetTy`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Unsafety`
[INFO] [stdout]    --> src/lib.rs:233:9
[INFO] [stdout]     |
[INFO] [stdout] 233 |         Unsafety::Normal,
[INFO] [stdout]     |         ^^^^^^^^ use of undeclared type `Unsafety`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]    --> src/lib.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         codemap::respan(span, Constness::NotConst),
[INFO] [stdout]     |         ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Constness`
[INFO] [stdout]    --> src/lib.rs:234:31
[INFO] [stdout]     |
[INFO] [stdout] 234 |         codemap::respan(span, Constness::NotConst),
[INFO] [stdout]     |                               ^^^^^^^^^ use of undeclared type `Constness`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Abi`
[INFO] [stdout]    --> src/lib.rs:235:9
[INFO] [stdout]     |
[INFO] [stdout] 235 |         Abi::Rust,
[INFO] [stdout]     |         ^^^ use of undeclared type `Abi`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Generics`
[INFO] [stdout]    --> src/lib.rs:236:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |         Generics::default(),
[INFO] [stdout]     |         ^^^^^^^^ use of undeclared type `Generics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `ExprKind`
[INFO] [stdout]    --> src/lib.rs:242:12
[INFO] [stdout]     |
[INFO] [stdout] 242 |     if let ExprKind::Tup(ref params) = params.node {
[INFO] [stdout]     |            ^^^^^^^^ use of undeclared type `ExprKind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Ident` in this scope
[INFO] [stdout]   --> src/lib.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 | type ItemInfo = (Ident, ItemKind);
[INFO] [stdout]    |                  ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ItemKind` in this scope
[INFO] [stdout]   --> src/lib.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 | type ItemInfo = (Ident, ItemKind);
[INFO] [stdout]    |                         ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Registry` in this scope
[INFO] [stdout]   --> src/lib.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn plugin_registrar(reg: &mut Registry) {
[INFO] [stdout]    |                                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:34:39
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn plague_macro<'cx>(cx: &'cx mut ExtCtxt, span: Span, tts: &[TokenTree]) -> Box<MacResult + 'cx> {
[INFO] [stdout]    |                                       ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Span` in this scope
[INFO] [stdout]   --> src/lib.rs:34:54
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn plague_macro<'cx>(cx: &'cx mut ExtCtxt, span: Span, tts: &[TokenTree]) -> Box<MacResult + 'cx> {
[INFO] [stdout]    |                                                      ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `TokenTree` in this scope
[INFO] [stdout]   --> src/lib.rs:34:67
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn plague_macro<'cx>(cx: &'cx mut ExtCtxt, span: Span, tts: &[TokenTree]) -> Box<MacResult + 'cx> {
[INFO] [stdout]    |                                                                   ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MacResult` in this scope
[INFO] [stdout]   --> src/lib.rs:34:86
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn plague_macro<'cx>(cx: &'cx mut ExtCtxt, span: Span, tts: &[TokenTree]) -> Box<MacResult + 'cx> {
[INFO] [stdout]    |                        - help: you might be missing a type parameter: `, MacResult`  ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Ident` in this scope
[INFO] [stdout]   --> src/lib.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |         name: Ident,
[INFO] [stdout]    |               ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ItemKind` in this scope
[INFO] [stdout]   --> src/lib.rs:57:14
[INFO] [stdout]    |
[INFO] [stdout] 57 |         fn_: ItemKind,
[INFO] [stdout]    |              ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Span` in this scope
[INFO] [stdout]   --> src/lib.rs:58:15
[INFO] [stdout]    |
[INFO] [stdout] 58 |         span: Span,
[INFO] [stdout]    |               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Path` in this scope
[INFO] [stdout]   --> src/lib.rs:60:10
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Path(Path)
[INFO] [stdout]    |          ^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 9  | use std::path::Path;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Parser` in this scope
[INFO] [stdout]   --> src/lib.rs:63:34
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn parse_plague<'a>(parser: &mut Parser<'a>) -> PResult<'a, (Spanned<Vec<Param>>, FnKind, bool)> {
[INFO] [stdout]    |                                  ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PResult` in this scope
[INFO] [stdout]    --> src/lib.rs:63:49
[INFO] [stdout]     |
[INFO] [stdout] 63  |   fn parse_plague<'a>(parser: &mut Parser<'a>) -> PResult<'a, (Spanned<Vec<Param>>, FnKind, bool)> {
[INFO] [stdout]     |                                                   ^^^^^^^ help: an enum with a similar name exists: `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Spanned` in this scope
[INFO] [stdout]   --> src/lib.rs:63:62
[INFO] [stdout]    |
[INFO] [stdout] 63 | fn parse_plague<'a>(parser: &mut Parser<'a>) -> PResult<'a, (Spanned<Vec<Param>>, FnKind, bool)> {
[INFO] [stdout]    |                                                              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Lifetime` in this scope
[INFO] [stdout]   --> src/lib.rs:91:22
[INFO] [stdout]    |
[INFO] [stdout] 91 | type Param = (Option<Lifetime>, P<Expr>, Option<P<Expr>>);
[INFO] [stdout]    |           -          ^^^^^^^^ not found in this scope
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: you might be missing a type parameter: `<Lifetime>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `P` in this scope
[INFO] [stdout]   --> src/lib.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 | type Param = (Option<Lifetime>, P<Expr>, Option<P<Expr>>);
[INFO] [stdout]    |                                 ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Expr` in this scope
[INFO] [stdout]   --> src/lib.rs:91:35
[INFO] [stdout]    |
[INFO] [stdout] 91 | type Param = (Option<Lifetime>, P<Expr>, Option<P<Expr>>);
[INFO] [stdout]    |           -                       ^^^^ not found in this scope
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: you might be missing a type parameter: `<Expr>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `P` in this scope
[INFO] [stdout]   --> src/lib.rs:91:49
[INFO] [stdout]    |
[INFO] [stdout] 91 | type Param = (Option<Lifetime>, P<Expr>, Option<P<Expr>>);
[INFO] [stdout]    |                                                 ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Expr` in this scope
[INFO] [stdout]   --> src/lib.rs:91:51
[INFO] [stdout]    |
[INFO] [stdout] 91 | type Param = (Option<Lifetime>, P<Expr>, Option<P<Expr>>);
[INFO] [stdout]    |           -                                       ^^^^ not found in this scope
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: you might be missing a type parameter: `<Expr>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Parser` in this scope
[INFO] [stdout]   --> src/lib.rs:93:33
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn parse_param<'a>(parser: &mut Parser<'a>) -> PResult<'a, Param> {
[INFO] [stdout]    |                                 ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PResult` in this scope
[INFO] [stdout]    --> src/lib.rs:93:48
[INFO] [stdout]     |
[INFO] [stdout] 93  |   fn parse_param<'a>(parser: &mut Parser<'a>) -> PResult<'a, Param> {
[INFO] [stdout]     |                                                  ^^^^^^^ help: an enum with a similar name exists: `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Parser` in this scope
[INFO] [stdout]    --> src/lib.rs:107:34
[INFO] [stdout]     |
[INFO] [stdout] 107 | fn parse_fn_use<'a>(parser: &mut Parser<'a>) -> PResult<'a, FnKind> {
[INFO] [stdout]     |                                  ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PResult` in this scope
[INFO] [stdout]    --> src/lib.rs:107:49
[INFO] [stdout]     |
[INFO] [stdout] 107 |   fn parse_fn_use<'a>(parser: &mut Parser<'a>) -> PResult<'a, FnKind> {
[INFO] [stdout]     |                                                   ^^^^^^^ help: an enum with a similar name exists: `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Parser` in this scope
[INFO] [stdout]    --> src/lib.rs:113:35
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn parse_fn_decl<'a>(parser: &mut Parser<'a>) -> PResult<'a, FnKind> {
[INFO] [stdout]     |                                   ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PResult` in this scope
[INFO] [stdout]    --> src/lib.rs:113:50
[INFO] [stdout]     |
[INFO] [stdout] 113 |   fn parse_fn_decl<'a>(parser: &mut Parser<'a>) -> PResult<'a, FnKind> {
[INFO] [stdout]     |                                                    ^^^^^^^ help: an enum with a similar name exists: `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Parser` in this scope
[INFO] [stdout]    --> src/lib.rs:130:36
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn expect_keyword<'a>(parser: &mut Parser<'a>, kw: &str) -> PResult<'a, ()> {
[INFO] [stdout]     |                                    ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PResult` in this scope
[INFO] [stdout]    --> src/lib.rs:130:61
[INFO] [stdout]     |
[INFO] [stdout] 130 |   fn expect_keyword<'a>(parser: &mut Parser<'a>, kw: &str) -> PResult<'a, ()> {
[INFO] [stdout]     |                                                               ^^^^^^^ help: an enum with a similar name exists: `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]    --> src/lib.rs:144:18
[INFO] [stdout]     |
[INFO] [stdout] 144 |     cx: &'cx mut ExtCtxt,
[INFO] [stdout]     |                  ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Parser` in this scope
[INFO] [stdout]    --> src/lib.rs:145:18
[INFO] [stdout]     |
[INFO] [stdout] 145 |     parser: &mut Parser<'a>,
[INFO] [stdout]     |                  ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Spanned` in this scope
[INFO] [stdout]    --> src/lib.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |     params: Spanned<Vec<Param>>,
[INFO] [stdout]     |             ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PResult` in this scope
[INFO] [stdout]    --> src/lib.rs:149:6
[INFO] [stdout]     |
[INFO] [stdout] 149 |   ) -> PResult<'a, Box<MacResult + 'cx>> {
[INFO] [stdout]     |        ^^^^^^^ help: an enum with a similar name exists: `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `MacResult` in this scope
[INFO] [stdout]    --> src/lib.rs:149:22
[INFO] [stdout]     |
[INFO] [stdout] 143 | fn make_plague<'cx, 'a>(
[INFO] [stdout]     |                       - help: you might be missing a type parameter: `, MacResult`
[INFO] [stdout] ...
[INFO] [stdout] 149 | ) -> PResult<'a, Box<MacResult + 'cx>> {
[INFO] [stdout]     |                      ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `DUMMY_SP` in this scope
[INFO] [stdout]    --> src/lib.rs:172:26
[INFO] [stdout]     |
[INFO] [stdout] 172 |             cx.attribute(DUMMY_SP, quote_meta_item!(cx, test)),
[INFO] [stdout]     |                          ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `DUMMY_SP` in this scope
[INFO] [stdout]    --> src/lib.rs:173:26
[INFO] [stdout]     |
[INFO] [stdout] 173 |             cx.attribute(DUMMY_SP, quote_meta_item!(cx, should_panic)),
[INFO] [stdout]     |                          ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `DUMMY_SP` in this scope
[INFO] [stdout]    --> src/lib.rs:177:27
[INFO] [stdout]     |
[INFO] [stdout] 177 |         vec![cx.attribute(DUMMY_SP, quote_meta_item!(cx, test))]
[INFO] [stdout]     |                           ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Ident` in this scope
[INFO] [stdout]    --> src/lib.rs:195:13
[INFO] [stdout]     |
[INFO] [stdout] 195 |             Ident {
[INFO] [stdout]     |             ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]    --> src/lib.rs:208:18
[INFO] [stdout]     |
[INFO] [stdout] 208 |     cx: &'cx mut ExtCtxt,
[INFO] [stdout]     |                  ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Span` in this scope
[INFO] [stdout]    --> src/lib.rs:209:11
[INFO] [stdout]     |
[INFO] [stdout] 209 |     span: Span,
[INFO] [stdout]     |           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `P` in this scope
[INFO] [stdout]    --> src/lib.rs:210:10
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn_: P<Expr>,
[INFO] [stdout]     |          ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Expr` in this scope
[INFO] [stdout]    --> src/lib.rs:210:12
[INFO] [stdout]     |
[INFO] [stdout] 207 | fn make_test_fn<'cx>(
[INFO] [stdout]     |                    - help: you might be missing a type parameter: `, Expr`
[INFO] [stdout] ...
[INFO] [stdout] 210 |     fn_: P<Expr>,
[INFO] [stdout]     |            ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `P` in this scope
[INFO] [stdout]    --> src/lib.rs:211:17
[INFO] [stdout]     |
[INFO] [stdout] 211 |     params: Vec<P<Expr>>,
[INFO] [stdout]     |                 ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Expr` in this scope
[INFO] [stdout]    --> src/lib.rs:211:19
[INFO] [stdout]     |
[INFO] [stdout] 207 | fn make_test_fn<'cx>(
[INFO] [stdout]     |                    - help: you might be missing a type parameter: `, Expr`
[INFO] [stdout] ...
[INFO] [stdout] 211 |     params: Vec<P<Expr>>,
[INFO] [stdout]     |                   ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `P` in this scope
[INFO] [stdout]    --> src/lib.rs:212:18
[INFO] [stdout]     |
[INFO] [stdout] 212 |     ret: &Option<P<Expr>>,
[INFO] [stdout]     |                  ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Expr` in this scope
[INFO] [stdout]    --> src/lib.rs:212:20
[INFO] [stdout]     |
[INFO] [stdout] 207 | fn make_test_fn<'cx>(
[INFO] [stdout]     |                    - help: you might be missing a type parameter: `, Expr`
[INFO] [stdout] ...
[INFO] [stdout] 212 |     ret: &Option<P<Expr>>,
[INFO] [stdout]     |                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ItemKind` in this scope
[INFO] [stdout]    --> src/lib.rs:213:6
[INFO] [stdout]     |
[INFO] [stdout] 213 | ) -> ItemKind {
[INFO] [stdout]     |      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `P` in this scope
[INFO] [stdout]    --> src/lib.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 207 | fn make_test_fn<'cx>(
[INFO] [stdout]     |                    - help: you might be missing a type parameter: `, P`
[INFO] [stdout] ...
[INFO] [stdout] 232 |         P(FnDecl { inputs: vec![], output: FunctionRetTy::Default(DUMMY_SP), variadic: false }),
[INFO] [stdout]     |         ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `FnDecl` in this scope
[INFO] [stdout]    --> src/lib.rs:232:11
[INFO] [stdout]     |
[INFO] [stdout] 232 |         P(FnDecl { inputs: vec![], output: FunctionRetTy::Default(DUMMY_SP), variadic: false }),
[INFO] [stdout]     |           ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `DUMMY_SP` in this scope
[INFO] [stdout]    --> src/lib.rs:232:67
[INFO] [stdout]     |
[INFO] [stdout] 232 |         P(FnDecl { inputs: vec![], output: FunctionRetTy::Default(DUMMY_SP), variadic: false }),
[INFO] [stdout]     |                                                                   ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Parser` in this scope
[INFO] [stdout]    --> src/lib.rs:241:33
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn make_params<'a>(parser: &mut Parser<'a>, params: &P<Expr>) -> PResult<'a, Vec<P<Expr>>> {
[INFO] [stdout]     |                                 ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `P` in this scope
[INFO] [stdout]    --> src/lib.rs:241:54
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn make_params<'a>(parser: &mut Parser<'a>, params: &P<Expr>) -> PResult<'a, Vec<P<Expr>>> {
[INFO] [stdout]     |                                                      ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Expr` in this scope
[INFO] [stdout]    --> src/lib.rs:241:56
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn make_params<'a>(parser: &mut Parser<'a>, params: &P<Expr>) -> PResult<'a, Vec<P<Expr>>> {
[INFO] [stdout]     |                  -                                     ^^^^ not found in this scope
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: you might be missing a type parameter: `, Expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `PResult` in this scope
[INFO] [stdout]    --> src/lib.rs:241:66
[INFO] [stdout]     |
[INFO] [stdout] 241 |   fn make_params<'a>(parser: &mut Parser<'a>, params: &P<Expr>) -> PResult<'a, Vec<P<Expr>>> {
[INFO] [stdout]     |                                                                    ^^^^^^^ help: an enum with a similar name exists: `Result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `P` in this scope
[INFO] [stdout]    --> src/lib.rs:241:82
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn make_params<'a>(parser: &mut Parser<'a>, params: &P<Expr>) -> PResult<'a, Vec<P<Expr>>> {
[INFO] [stdout]     |                                                                                  ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Expr` in this scope
[INFO] [stdout]    --> src/lib.rs:241:84
[INFO] [stdout]     |
[INFO] [stdout] 241 | fn make_params<'a>(parser: &mut Parser<'a>, params: &P<Expr>) -> PResult<'a, Vec<P<Expr>>> {
[INFO] [stdout]     |                  - help: you might be missing a type parameter: `, Expr`           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin_registrar)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(quote)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(rustc_private)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(slice_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     try!(parser.expect_keyword(keywords::For));
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     try!(expect_keyword(parser, "test"));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:66:18
[INFO] [stdout]    |
[INFO] [stdout] 66 |     let params = try!(parser.parse_seq(
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 |         try!(parse_fn_decl(parser))
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         try!(parse_fn_use(parser))
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let name = try!(parser.parse_opt_lifetime());
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:95:16
[INFO] [stdout]    |
[INFO] [stdout] 95 |     let expr = try!(parser.parse_expr());
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:98:14
[INFO] [stdout]    |
[INFO] [stdout] 98 |         Some(try!(parser.parse_expr()))
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 |     let path = try!(parser.parse_path(PathStyle::Expr));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:115:38
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let (constness, unsafety, abi) = try!(parser.parse_fn_front_matter());
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let ident = try!(parser.parse_ident());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:119:24
[INFO] [stdout]     |
[INFO] [stdout] 119 |     let mut generics = try!(parser.parse_generics());
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let decl = try!(parser.parse_fn_decl(false));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:121:29
[INFO] [stdout]     |
[INFO] [stdout] 121 |     generics.where_clause = try!(parser.parse_where_clause());
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:122:16
[INFO] [stdout]     |
[INFO] [stdout] 122 |     let body = try!(parser.parse_block());
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:182:22
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let params = try!(make_params(parser, &param.1));
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_patterns` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(slice_patterns)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:34:86
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub fn plague_macro<'cx>(cx: &'cx mut ExtCtxt, span: Span, tts: &[TokenTree]) -> Box<MacResult + 'cx> {
[INFO] [stdout]    |                                                                                      ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 34 - pub fn plague_macro<'cx>(cx: &'cx mut ExtCtxt, span: Span, tts: &[TokenTree]) -> Box<MacResult + 'cx> {
[INFO] [stdout] 34 + pub fn plague_macro<'cx>(cx: &'cx mut ExtCtxt, span: Span, tts: &[TokenTree]) -> Box<dyn MacResult + 'cx> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 93 previous errors; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0422, E0425, E0433, E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plague` due to 94 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d3e81627f2e40a80bf217916f8025b21bd51cd1bec09d7201a36409bad7874eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3e81627f2e40a80bf217916f8025b21bd51cd1bec09d7201a36409bad7874eb", kill_on_drop: false }`
[INFO] [stdout] d3e81627f2e40a80bf217916f8025b21bd51cd1bec09d7201a36409bad7874eb