[INFO] fetching crate ecp 0.1.1...
[INFO] documenting ecp-0.1.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ecp 0.1.1 into /workspace/builds/worker-111/source
[INFO] validating manifest of crates.io crate ecp 0.1.1 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 ecp 0.1.1
[INFO] finished tweaking crates.io crate ecp 0.1.1
[INFO] tweaked toml for crates.io crate ecp 0.1.1 written to /workspace/builds/worker-111/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-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 99b1dd51143e5db260f5729e72593da714251c0a30d3850cb7b7ded07bceb1b7
[INFO] running `Command { std: "docker" "start" "-a" "99b1dd51143e5db260f5729e72593da714251c0a30d3850cb7b7ded07bceb1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99b1dd51143e5db260f5729e72593da714251c0a30d3850cb7b7ded07bceb1b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99b1dd51143e5db260f5729e72593da714251c0a30d3850cb7b7ded07bceb1b7", kill_on_drop: false }`
[INFO] [stdout] 99b1dd51143e5db260f5729e72593da714251c0a30d3850cb7b7ded07bceb1b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-111/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] 2923a1ce5c3c8df24ee0473e4fbdd0597b177415fca2ef3990aef6efd388461e
[INFO] running `Command { std: "docker" "start" "-a" "2923a1ce5c3c8df24ee0473e4fbdd0597b177415fca2ef3990aef6efd388461e", kill_on_drop: false }`
[INFO] [stderr]  Documenting ecp v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(quote, plugin_registrar, rustc_private)]
[INFO] [stdout]    |            ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:22:19
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(quote, plugin_registrar, rustc_private)]
[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:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | extern crate syntax;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax_pos`
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | extern crate syntax_pos;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stdout]   --> src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | 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: cannot find macro `quote_attr` in this scope
[INFO] [stdout]   --> src/builder/_struct/mod.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let attr = quote_attr!(self.cx, #[derive($attr_ident)]);
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_attr` in this scope
[INFO] [stdout]   --> src/builder/_struct/mod.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |         let attr = quote_attr!(self.cx, #[$attr_ident]);
[INFO] [stdout]    |                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]  --> src/builder/_struct/mod.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     cx: &'a ExtCtxt<'b>,
[INFO] [stdout]   |             ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Ident` in this scope
[INFO] [stdout]   --> src/builder/_struct/mod.rs:10:19
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct StructBuilder<'a, 'b: 'a> {
[INFO] [stdout]    |                                    - help: you might be missing a type parameter: `, Ident`
[INFO] [stdout] 9  |     cx: &'a ExtCtxt<'b>,
[INFO] [stdout] 10 |     ident: Option<Ident>,
[INFO] [stdout]    |                   ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NodeId` in this scope
[INFO] [stdout]   --> src/builder/_struct/mod.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     id: NodeId,
[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/builder/_struct/mod.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     span: Span,
[INFO] [stdout]    |           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Visibility` in this scope
[INFO] [stdout]   --> src/builder/_struct/mod.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 13 |     vis: Visibility,
[INFO] [stdout]    |          ^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Attribute` in this scope
[INFO] [stdout]   --> src/builder/_struct/mod.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct StructBuilder<'a, 'b: 'a> {
[INFO] [stdout]    |                                    - help: you might be missing a type parameter: `, Attribute`
[INFO] [stdout] ...
[INFO] [stdout] 14 |     attrs: Vec<Attribute>,
[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/builder/_struct/mod.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct StructBuilder<'a, 'b: 'a> {
[INFO] [stdout]    |                                    - help: you might be missing a type parameter: `, ItemKind`
[INFO] [stdout] ...
[INFO] [stdout] 15 |     node: Option<ItemKind>,
[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/builder/_struct/mod.rs:20:24
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn new(cx: &'a ExtCtxt<'b>) -> StructBuilder<'a, 'b> {
[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/builder/_struct/mod.rs:33:25
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn from(cx: &'a ExtCtxt<'b>, item: &Item) -> StructBuilder<'a, 'b> {
[INFO] [stdout]    |                         ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Item` in this scope
[INFO] [stdout]   --> src/builder/_struct/mod.rs:33:45
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn from(cx: &'a ExtCtxt<'b>, item: &Item) -> StructBuilder<'a, 'b> {
[INFO] [stdout]    |                                             ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Attribute` in this scope
[INFO] [stdout]   --> src/builder/_struct/mod.rs:60:36
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'a, 'b> StructBuilder<'a, 'b> {
[INFO] [stdout]    |            - help: you might be missing a type parameter: `, Attribute`
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_attrs(&self) -> Vec<Attribute> {
[INFO] [stdout]    |                                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Ident` in this scope
[INFO] [stdout]   --> src/builder/_struct/mod.rs:65:31
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn get_name(&self) -> Ident {
[INFO] [stdout]    |                               ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `StructField` in this scope
[INFO] [stdout]   --> src/builder/_struct/mod.rs:75:37
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl<'a, 'b> StructBuilder<'a, 'b> {
[INFO] [stdout]    |            - help: you might be missing a type parameter: `, StructField`
[INFO] [stdout] ...
[INFO] [stdout] 75 |     pub fn get_fields(&self) -> Vec<StructField> {
[INFO] [stdout]    |                                     ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Item` in this scope
[INFO] [stdout]   --> src/builder/_struct/mod.rs:88:27
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn build(self) -> Item {
[INFO] [stdout]    |                           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MetaItem` in this scope
[INFO] [stdout]  --> src/builder/meta_item/mod.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct MetaItemBuilder {
[INFO] [stdout]   |                           - help: you might be missing a type parameter: `<MetaItem>`
[INFO] [stdout] 6 |     node: Option<MetaItem>,
[INFO] [stdout]   |                  ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MetaItem` in this scope
[INFO] [stdout]   --> src/builder/meta_item/mod.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 | impl<'a> From<&'a MetaItem> for MetaItemBuilder {
[INFO] [stdout]    |        -          ^^^^^^^^ not found in this scope
[INFO] [stdout]    |        |
[INFO] [stdout]    |        help: you might be missing a type parameter: `, MetaItem`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MetaItem` in this scope
[INFO] [stdout]   --> src/builder/meta_item/mod.rs:50:20
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn from(meta: &MetaItem) -> MetaItemBuilder {
[INFO] [stdout]    |                    ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Annotatable` in this scope
[INFO] [stdout]  --> src/builder/annotatable/mod.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct AnnotatableBuilder {
[INFO] [stdout]   |                              - help: you might be missing a type parameter: `<Annotatable>`
[INFO] [stdout] 7 |     node: Option<Annotatable>,
[INFO] [stdout]   |                  ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Item` in this scope
[INFO] [stdout]   --> src/builder/annotatable/mod.rs:17:31
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn get_item(&self) -> Item {
[INFO] [stdout]    |                               ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Annotatable` in this scope
[INFO] [stdout]   --> src/builder/annotatable/mod.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<'a> From<&'a Annotatable> for AnnotatableBuilder {
[INFO] [stdout]    |        -          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |        |
[INFO] [stdout]    |        help: you might be missing a type parameter: `, Annotatable`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Annotatable` in this scope
[INFO] [stdout]   --> src/builder/annotatable/mod.rs:27:27
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn from(annotatable: &Annotatable) -> AnnotatableBuilder {
[INFO] [stdout]    |                           ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Stmt` in this scope
[INFO] [stdout]  --> src/builder/block/mod.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct BlockBuilder {
[INFO] [stdout]   |                        - help: you might be missing a type parameter: `<Stmt>`
[INFO] [stdout] 7 |     stmts: Vec<Stmt>,
[INFO] [stdout]   |                ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NodeId` in this scope
[INFO] [stdout]  --> src/builder/block/mod.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     id: NodeId,
[INFO] [stdout]   |         ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `BlockCheckMode` in this scope
[INFO] [stdout]  --> src/builder/block/mod.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     rules: BlockCheckMode,
[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/builder/block/mod.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     span: Span,
[INFO] [stdout]    |           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Stmt` in this scope
[INFO] [stdout]   --> src/builder/block/mod.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn stmt(&mut self, stmt: Stmt) {
[INFO] [stdout]    |                                  ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Block` in this scope
[INFO] [stdout]   --> src/builder/block/mod.rs:30:27
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn build(self) -> Block {
[INFO] [stdout]    |                           ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Attribute` in this scope
[INFO] [stdout]  --> src/builder/attribute/mod.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct AttributeBuilder {
[INFO] [stdout]   |                            - help: you might be missing a type parameter: `<Attribute>`
[INFO] [stdout] 6 |     raw: Option<Attribute>,
[INFO] [stdout]   |                 ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Attribute` in this scope
[INFO] [stdout]   --> src/builder/attribute/mod.rs:21:11
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl From<Attribute> for AttributeBuilder {
[INFO] [stdout]    |     -     ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |     |
[INFO] [stdout]    |     help: you might be missing a type parameter: `<Attribute>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Attribute` in this scope
[INFO] [stdout]   --> src/builder/attribute/mod.rs:22:24
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn from(attribute: Attribute) -> AttributeBuilder {
[INFO] [stdout]    |                        ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Item` in this scope
[INFO] [stdout]  --> src/utils/mod.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn to_annotatable(item: Item) -> Annotatable {
[INFO] [stdout]   |                             ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Annotatable` in this scope
[INFO] [stdout]  --> src/utils/mod.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn to_annotatable(item: Item) -> Annotatable {
[INFO] [stdout]   |                                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Name` in this scope
[INFO] [stdout]   --> src/utils/mod.rs:10:43
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn to_name<T: AsRef<str>>(name: T) -> Name {
[INFO] [stdout]    |                                           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Ident` in this scope
[INFO] [stdout]   --> src/utils/mod.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn to_ident<T: AsRef<str>>(ident: T) -> Ident {
[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/utils/mod.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn to_spanned<T>(t: T) -> Spanned<T> {
[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/utils/mod.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn expr_to_stmt(expr: Expr) -> Stmt {
[INFO] [stdout]    |                           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Stmt` in this scope
[INFO] [stdout]   --> src/utils/mod.rs:28:36
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn expr_to_stmt(expr: Expr) -> Stmt {
[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/utils/mod.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn semi_to_stmt(expr: Expr) -> Stmt {
[INFO] [stdout]    |                           ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Stmt` in this scope
[INFO] [stdout]   --> src/utils/mod.rs:37:36
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub fn semi_to_stmt(expr: Expr) -> Stmt {
[INFO] [stdout]    |                                    ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | #![feature(quote, plugin_registrar, 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 48 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ecp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name ecp src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1df1bdc11e089111 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2923a1ce5c3c8df24ee0473e4fbdd0597b177415fca2ef3990aef6efd388461e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2923a1ce5c3c8df24ee0473e4fbdd0597b177415fca2ef3990aef6efd388461e", kill_on_drop: false }`
[INFO] [stdout] 2923a1ce5c3c8df24ee0473e4fbdd0597b177415fca2ef3990aef6efd388461e