[INFO] fetching crate cereal_macros 0.3.5...
[INFO] documenting cereal_macros-0.3.5 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate cereal_macros 0.3.5 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate cereal_macros 0.3.5 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 cereal_macros 0.3.5
[INFO] finished tweaking crates.io crate cereal_macros 0.3.5
[INFO] tweaked toml for crates.io crate cereal_macros 0.3.5 written to /workspace/builds/worker-95/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] db04a2a0a43f2daa16e8a1cae492104f3713fd73e2d92b5ee19fd8a5c5c2a877
[INFO] running `Command { std: "docker" "start" "-a" "db04a2a0a43f2daa16e8a1cae492104f3713fd73e2d92b5ee19fd8a5c5c2a877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db04a2a0a43f2daa16e8a1cae492104f3713fd73e2d92b5ee19fd8a5c5c2a877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db04a2a0a43f2daa16e8a1cae492104f3713fd73e2d92b5ee19fd8a5c5c2a877", kill_on_drop: false }`
[INFO] [stdout] db04a2a0a43f2daa16e8a1cae492104f3713fd73e2d92b5ee19fd8a5c5c2a877
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] cad545fab1c4d97600f6b860de6cdf359f11660bc5d76ae6d1c87b68096f6214
[INFO] running `Command { std: "docker" "start" "-a" "cad545fab1c4d97600f6b860de6cdf359f11660bc5d76ae6d1c87b68096f6214", kill_on_drop: false }`
[INFO] [stderr]  Documenting cereal_macros v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/plugin.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax, plugin_registrar, quote, 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[E0557]: feature has been removed
[INFO] [stdout]  --> src/plugin.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax, plugin_registrar, quote, rustc_private)]
[INFO] [stdout]   |                                          ^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_plugin`
[INFO] [stdout]  --> src/plugin.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | 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/plugin.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate syntax;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `syntax_ext`
[INFO] [stdout]  --> src/plugin.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | extern crate syntax_ext;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]   --> src/plugin.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: cannot find macro `quote_expr` in this scope
[INFO] [stdout]    --> src/plugin.rs:109:17
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 quote_expr!(ecx, try!(::cereal::CerealData::read($reader)))
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_expr` in this scope
[INFO] [stdout]    --> src/plugin.rs:116:44
[INFO] [stdout]     |
[INFO] [stdout] 116 |                 ecx.field_imm(span, ident, quote_expr!(ecx, try!(::cereal::CerealData::read($reader))))
[INFO] [stdout]     |                                            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_expr` in this scope
[INFO] [stdout]    --> src/plugin.rs:135:29
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...                   quote_expr!(ecx, try!(::cereal::CerealData::read($reader)))
[INFO] [stdout]     |                       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_expr` in this scope
[INFO] [stdout]    --> src/plugin.rs:142:56
[INFO] [stdout]     |
[INFO] [stdout] 142 | ...                   ecx.field_imm(span, ident, quote_expr!(ecx, try!(::cereal::CerealData::read($reader))))
[INFO] [stdout]     |                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_expr` in this scope
[INFO] [stdout]    --> src/plugin.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |                 quote_expr!(ecx,
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_expr` in this scope
[INFO] [stdout]    --> src/plugin.rs:155:24
[INFO] [stdout]     |
[INFO] [stdout] 155 |             let expr = quote_expr!(ecx, try!(<u64 as ::cereal::CerealData>::read($reader)));
[INFO] [stdout]     |                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_expr` in this scope
[INFO] [stdout]    --> src/plugin.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     quote_expr!(ecx, Ok($expr))
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_stmt` in this scope
[INFO] [stdout]    --> src/plugin.rs:172:17
[INFO] [stdout]     |
[INFO] [stdout] 172 |                 quote_stmt!(ecx, {
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_expr` in this scope
[INFO] [stdout]    --> src/plugin.rs:177:13
[INFO] [stdout]     |
[INFO] [stdout] 177 |             quote_expr!(ecx, {
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_stmt` in this scope
[INFO] [stdout]    --> src/plugin.rs:185:17
[INFO] [stdout]     |
[INFO] [stdout] 185 |                 quote_stmt!(ecx, {
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `quote_expr` in this scope
[INFO] [stdout]    --> src/plugin.rs:190:13
[INFO] [stdout]     |
[INFO] [stdout] 190 |             quote_expr!(ecx, {
[INFO] [stdout]     |             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `generic`
[INFO] [stdout]   --> src/plugin.rs:98:58
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn read_body(ecx: &mut ExtCtxt, span: Span, substr: &generic::Substructure) -> P<Expr> {
[INFO] [stdout]    |                                                          ^^^^^^^ use of undeclared crate or module `generic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `generic`
[INFO] [stdout]    --> src/plugin.rs:166:59
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn write_body(ecx: &mut ExtCtxt, span: Span, substr: &generic::Substructure) -> P<Expr> {
[INFO] [stdout]     |                                                           ^^^^^^^ use of undeclared crate or module `generic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Registry` in this scope
[INFO] [stdout]   --> src/plugin.rs:18:40
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn plugin_registrar(registry: &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/plugin.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn expand(ecx: &mut ExtCtxt, span: Span, meta_item: &MetaItem, ann: &Annotatable, push: &mut FnMut(Annotatable)) {
[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/plugin.rs:24:40
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn expand(ecx: &mut ExtCtxt, span: Span, meta_item: &MetaItem, ann: &Annotatable, push: &mut FnMut(Annotatable)) {
[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/plugin.rs:24:58
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn expand(ecx: &mut ExtCtxt, span: Span, meta_item: &MetaItem, ann: &Annotatable, push: &mut FnMut(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/plugin.rs:24:74
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn expand(ecx: &mut ExtCtxt, span: Span, meta_item: &MetaItem, ann: &Annotatable, push: &mut FnMut(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/plugin.rs:24:104
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn expand(ecx: &mut ExtCtxt, span: Span, meta_item: &MetaItem, ann: &Annotatable, push: &mut FnMut(Annotatable)) {
[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/plugin.rs:98:28
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn read_body(ecx: &mut ExtCtxt, span: Span, substr: &generic::Substructure) -> P<Expr> {
[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/plugin.rs:98:43
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn read_body(ecx: &mut ExtCtxt, span: Span, substr: &generic::Substructure) -> 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/plugin.rs:98:84
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn read_body(ecx: &mut ExtCtxt, span: Span, substr: &generic::Substructure) -> 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/plugin.rs:98:86
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn read_body(ecx: &mut ExtCtxt, span: Span, substr: &generic::Substructure) -> 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[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]    --> src/plugin.rs:166:29
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn write_body(ecx: &mut ExtCtxt, span: Span, substr: &generic::Substructure) -> P<Expr> {
[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/plugin.rs:166:44
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn write_body(ecx: &mut ExtCtxt, span: Span, substr: &generic::Substructure) -> 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/plugin.rs:166:85
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn write_body(ecx: &mut ExtCtxt, span: Span, substr: &generic::Substructure) -> 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/plugin.rs:166:87
[INFO] [stdout]     |
[INFO] [stdout] 166 | pub fn write_body(ecx: &mut ExtCtxt, span: Span, substr: &generic::Substructure) -> 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 stable release channel
[INFO] [stdout]  --> src/plugin.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax, plugin_registrar, quote, 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 35 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0433, 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 `cereal_macros`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name cereal_macros src/plugin.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c2b733cc5b7912d9 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.3.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "cad545fab1c4d97600f6b860de6cdf359f11660bc5d76ae6d1c87b68096f6214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad545fab1c4d97600f6b860de6cdf359f11660bc5d76ae6d1c87b68096f6214", kill_on_drop: false }`
[INFO] [stdout] cad545fab1c4d97600f6b860de6cdf359f11660bc5d76ae6d1c87b68096f6214