[INFO] fetching crate wrapping_macros 0.4.13...
[INFO] documenting wrapping_macros-0.4.13 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate wrapping_macros 0.4.13 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wrapping_macros 0.4.13 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 wrapping_macros 0.4.13
[INFO] finished tweaking crates.io crate wrapping_macros 0.4.13
[INFO] tweaked toml for crates.io crate wrapping_macros 0.4.13 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 5cb86864c92afeb52115ba41c7c83739b7bb6986bf381baeda5f0f33ec8d88a2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5cb86864c92afeb52115ba41c7c83739b7bb6986bf381baeda5f0f33ec8d88a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cb86864c92afeb52115ba41c7c83739b7bb6986bf381baeda5f0f33ec8d88a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb86864c92afeb52115ba41c7c83739b7bb6986bf381baeda5f0f33ec8d88a2", kill_on_drop: false }`
[INFO] [stdout] 5cb86864c92afeb52115ba41c7c83739b7bb6986bf381baeda5f0f33ec8d88a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 6572c934295bd25f47aa6412c936257439b65bc20bb4d80d772427086306ec19
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6572c934295bd25f47aa6412c936257439b65bc20bb4d80d772427086306ec19", kill_on_drop: false }`
[INFO] [stderr]  Documenting wrapping_macros v0.4.13 (/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, 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 `rustc_plugin`
[INFO] [stdout]  --> src/lib.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/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: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]    --> src/lib.rs:109:3
[INFO] [stdout]     |
[INFO] [stdout] 109 | #[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[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:19:14
[INFO] [stdout]    |
[INFO] [stdout] 19 |     cx: &'cx ExtCtxt<'a>,
[INFO] [stdout]    |              ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Folder` in this scope
[INFO] [stdout]   --> src/lib.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<'cx, 'a> Folder for WrappingFolder<'cx, 'a> {
[INFO] [stdout]    |               ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Mac` in this scope
[INFO] [stdout]   --> src/lib.rs:23:33
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn fold_mac(&mut self, mac: Mac) -> Mac {
[INFO] [stdout]    |                                 ^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Mac` in this scope
[INFO] [stdout]   --> src/lib.rs:23:41
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn fold_mac(&mut self, mac: Mac) -> Mac {
[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:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn fold_expr(&mut self, expr: P<Expr>) -> 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:28:37
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<'cx, 'a> Folder for WrappingFolder<'cx, 'a> {
[INFO] [stdout]    |             - help: you might be missing a type parameter: `, Expr`
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn fold_expr(&mut self, expr: P<Expr>) -> 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:28:47
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn fold_expr(&mut self, expr: P<Expr>) -> 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:28:49
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<'cx, 'a> Folder for WrappingFolder<'cx, 'a> {
[INFO] [stdout]    |             - help: you might be missing a type parameter: `, Expr`
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn fold_expr(&mut self, expr: P<Expr>) -> P<Expr> {
[INFO] [stdout]    |                                                 ^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `BinOpKind` in this scope
[INFO] [stdout]   --> src/lib.rs:75:24
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn wrapping_method(op: BinOpKind) -> Option<Ident> {
[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/lib.rs:75:45
[INFO] [stdout]    |
[INFO] [stdout] 75 | fn wrapping_method(op: BinOpKind) -> Option<Ident> {
[INFO] [stdout]    |                   -                         ^^^^^ not found in this scope
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: you might be missing a type parameter: `<Ident>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `ExtCtxt` in this scope
[INFO] [stdout]   --> src/lib.rs:88:38
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn expand_wrapping<'cx>(cx: &'cx mut ExtCtxt, sp: 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:88:51
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn expand_wrapping<'cx>(cx: &'cx mut ExtCtxt, sp: 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:88:64
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn expand_wrapping<'cx>(cx: &'cx mut ExtCtxt, sp: 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:88:83
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn expand_wrapping<'cx>(cx: &'cx mut ExtCtxt, sp: Span, tts: &[TokenTree]) -> Box<MacResult + 'cx> {
[INFO] [stdout]    |                       -                                                           ^^^^^^^^^ not found in this scope
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: you might be missing a type parameter: `, MacResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Registry` in this scope
[INFO] [stdout]    --> src/lib.rs:110:35
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn plugin_registrar(reg: &mut Registry) {
[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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(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 21 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0405, E0412, E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `wrapping_macros`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name wrapping_macros src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=0bda446041c42695 -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.4.13` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6572c934295bd25f47aa6412c936257439b65bc20bb4d80d772427086306ec19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6572c934295bd25f47aa6412c936257439b65bc20bb4d80d772427086306ec19", kill_on_drop: false }`
[INFO] [stdout] 6572c934295bd25f47aa6412c936257439b65bc20bb4d80d772427086306ec19