[INFO] fetching crate dsl_macros 0.1.2...
[INFO] documenting dsl_macros-0.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate dsl_macros 0.1.2 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate dsl_macros 0.1.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dsl_macros 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate dsl_macros 0.1.2
[INFO] tweaked toml for crates.io crate dsl_macros 0.1.2 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9d498bc5ffe61b9248d17f2227bd942395540a4a5ba7603125de6a4083c2989
[INFO] running `Command { std: "docker" "start" "-a" "f9d498bc5ffe61b9248d17f2227bd942395540a4a5ba7603125de6a4083c2989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9d498bc5ffe61b9248d17f2227bd942395540a4a5ba7603125de6a4083c2989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d498bc5ffe61b9248d17f2227bd942395540a4a5ba7603125de6a4083c2989", kill_on_drop: false }`
[INFO] [stdout] f9d498bc5ffe61b9248d17f2227bd942395540a4a5ba7603125de6a4083c2989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c2ad19675fbfa48ed66b67742c2511d2ec69cb64398614c1048a85cf52e5311
[INFO] running `Command { std: "docker" "start" "-a" "0c2ad19675fbfa48ed66b67742c2511d2ec69cb64398614c1048a85cf52e5311", kill_on_drop: false }`
[INFO] [stderr]  Documenting dsl_macros v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![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[E0463]: can't find crate for `syntax`
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate syntax;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0462]: found staticlib `rustc` instead of rlib or dylib
[INFO] [stdout]  --> src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate rustc;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: please recompile that crate using --crate-type lib
[INFO] [stdout]   = note: the following crate versions were found:
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.61.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.msan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.61.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.lsan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.61.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.asan.a
[INFO] [stdout]           crate `rustc`: /opt/rustwide/rustup-home/toolchains/1.61.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc-stable_rt.tsan.a
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]   --> src/lib.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[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[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]  --> src/dsl/parser.rs:5:36
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl<'a, 'b> super::super::Parser<(codemap::Span, &'a mut base::ExtCtxt<'b>)> for super::DslState {
[INFO] [stdout]   |                                    ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]  --> src/dsl/parser.rs:5:59
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl<'a, 'b> super::super::Parser<(codemap::Span, &'a mut base::ExtCtxt<'b>)> for super::DslState {
[INFO] [stdout]   |                                                           ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `parser`
[INFO] [stdout]  --> src/dsl/parser.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn parse(parser: &mut parser::Parser, (sp, cx): (codemap::Span, &'a mut base::ExtCtxt))
[INFO] [stdout]   |                           ^^^^^^ use of undeclared crate or module `parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]  --> src/dsl/parser.rs:6:54
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn parse(parser: &mut parser::Parser, (sp, cx): (codemap::Span, &'a mut base::ExtCtxt))
[INFO] [stdout]   |                                                      ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]  --> src/dsl/parser.rs:6:77
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn parse(parser: &mut parser::Parser, (sp, cx): (codemap::Span, &'a mut base::ExtCtxt))
[INFO] [stdout]   |                                                                             ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]  --> src/dsl/generator.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn rewrite(expr: ast::Expr, context: ast::Ident, cx: &mut base::ExtCtxt) -> ptr::P<ast::Expr> {
[INFO] [stdout]   |                  ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]  --> src/dsl/generator.rs:6:38
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn rewrite(expr: ast::Expr, context: ast::Ident, cx: &mut base::ExtCtxt) -> ptr::P<ast::Expr> {
[INFO] [stdout]   |                                      ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]  --> src/dsl/generator.rs:6:59
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn rewrite(expr: ast::Expr, context: ast::Ident, cx: &mut base::ExtCtxt) -> ptr::P<ast::Expr> {
[INFO] [stdout]   |                                                           ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ptr`
[INFO] [stdout]  --> src/dsl/generator.rs:6:77
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn rewrite(expr: ast::Expr, context: ast::Ident, cx: &mut base::ExtCtxt) -> ptr::P<ast::Expr> {
[INFO] [stdout]   |                                                                             ^^^ use of undeclared crate or module `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]  --> src/dsl/generator.rs:6:84
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn rewrite(expr: ast::Expr, context: ast::Ident, cx: &mut base::ExtCtxt) -> ptr::P<ast::Expr> {
[INFO] [stdout]   |                                                                                    ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ptr`
[INFO] [stdout]   --> src/dsl/generator.rs:31:33
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn rewrite_if_needed(expr: &mut ptr::P<ast::Expr>, context: ast::Ident, cx: &mut base::ExtCtxt) {
[INFO] [stdout]    |                                 ^^^ use of undeclared crate or module `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/dsl/generator.rs:31:40
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn rewrite_if_needed(expr: &mut ptr::P<ast::Expr>, context: ast::Ident, cx: &mut base::ExtCtxt) {
[INFO] [stdout]    |                                        ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/dsl/generator.rs:31:61
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn rewrite_if_needed(expr: &mut ptr::P<ast::Expr>, context: ast::Ident, cx: &mut base::ExtCtxt) {
[INFO] [stdout]    |                                                             ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]   --> src/dsl/generator.rs:31:82
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn rewrite_if_needed(expr: &mut ptr::P<ast::Expr>, context: ast::Ident, cx: &mut base::ExtCtxt) {
[INFO] [stdout]    |                                                                                  ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/dsl/generator.rs:46:22
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn extract_name(arg: ast::Arg, sp: codemap::Span, cx: &mut base::ExtCtxt) -> ast::Ident {
[INFO] [stdout]    |                      ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]   --> src/dsl/generator.rs:46:36
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn extract_name(arg: ast::Arg, sp: codemap::Span, cx: &mut base::ExtCtxt) -> ast::Ident {
[INFO] [stdout]    |                                    ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]   --> src/dsl/generator.rs:46:60
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn extract_name(arg: ast::Arg, sp: codemap::Span, cx: &mut base::ExtCtxt) -> ast::Ident {
[INFO] [stdout]    |                                                            ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/dsl/generator.rs:46:78
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn extract_name(arg: ast::Arg, sp: codemap::Span, cx: &mut base::ExtCtxt) -> ast::Ident {
[INFO] [stdout]    |                                                                              ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]   --> src/dsl/generator.rs:56:35
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn generate<'a>(mut self, sp: codemap::Span, cx: &mut base::ExtCtxt, _: ()) -> Box<base::MacResult + 'a> {
[INFO] [stdout]    |                                   ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]   --> src/dsl/generator.rs:56:59
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn generate<'a>(mut self, sp: codemap::Span, cx: &mut base::ExtCtxt, _: ()) -> Box<base::MacResult + 'a> {
[INFO] [stdout]    |                                                           ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]   --> src/dsl/generator.rs:56:88
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn generate<'a>(mut self, sp: codemap::Span, cx: &mut base::ExtCtxt, _: ()) -> Box<base::MacResult + 'a> {
[INFO] [stdout]    |                                                                                        ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ptr`
[INFO] [stdout]   --> src/dsl/mod.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub expr: ptr::P<ast::Expr>,
[INFO] [stdout]    |               ^^^ use of undeclared crate or module `ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/dsl/mod.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub expr: ptr::P<ast::Expr>,
[INFO] [stdout]    |                      ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]   --> src/dsl/mod.rs:14:30
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn dsl<'cx>(cx: &'cx mut base::ExtCtxt, sp: codemap::Span, tokens: &[ast::TokenTree])
[INFO] [stdout]    |                              ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]   --> src/dsl/mod.rs:14:49
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn dsl<'cx>(cx: &'cx mut base::ExtCtxt, sp: codemap::Span, tokens: &[ast::TokenTree])
[INFO] [stdout]    |                                                 ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `ast`
[INFO] [stdout]   --> src/dsl/mod.rs:14:74
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn dsl<'cx>(cx: &'cx mut base::ExtCtxt, sp: codemap::Span, tokens: &[ast::TokenTree])
[INFO] [stdout]    |                                                                          ^^^ use of undeclared crate or module `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]   --> src/dsl/mod.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     -> Box<base::MacResult + 'cx>
[INFO] [stdout]    |            ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `plugin`
[INFO] [stdout]   --> src/lib.rs:19:35
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn plugin_registrar(reg: &mut plugin::Registry) {
[INFO] [stdout]    |                                   ^^^^^^ use of undeclared crate or module `plugin`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `parser`
[INFO] [stdout]   --> src/lib.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn parse(&mut parser::Parser, Cfg) -> Self;
[INFO] [stdout]    |                   ^^^^^^ use of undeclared crate or module `parser`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `codemap`
[INFO] [stdout]   --> src/lib.rs:29:27
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn generate<'a>(self, codemap::Span, &mut base::ExtCtxt, Cfg) -> Box<base::MacResult + 'a>;
[INFO] [stdout]    |                           ^^^^^^^ use of undeclared crate or module `codemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]   --> src/lib.rs:29:47
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn generate<'a>(self, codemap::Span, &mut base::ExtCtxt, Cfg) -> Box<base::MacResult + 'a>;
[INFO] [stdout]    |                                               ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `base`
[INFO] [stdout]   --> src/lib.rs:29:74
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn generate<'a>(self, codemap::Span, &mut base::ExtCtxt, Cfg) -> Box<base::MacResult + 'a>;
[INFO] [stdout]    |                                                                          ^^^^ use of undeclared crate or module `base`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(plugin)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(plugin_registrar)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable 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: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 40 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `dsl_macros`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name dsl_macros src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=580be6d8731b2632 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0c2ad19675fbfa48ed66b67742c2511d2ec69cb64398614c1048a85cf52e5311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c2ad19675fbfa48ed66b67742c2511d2ec69cb64398614c1048a85cf52e5311", kill_on_drop: false }`
[INFO] [stdout] 0c2ad19675fbfa48ed66b67742c2511d2ec69cb64398614c1048a85cf52e5311