[INFO] fetching crate peg-syntax-ext 0.5.7...
[INFO] documenting peg-syntax-ext-0.5.7 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate peg-syntax-ext 0.5.7 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate peg-syntax-ext 0.5.7 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peg-syntax-ext 0.5.7
[INFO] finished tweaking crates.io crate peg-syntax-ext 0.5.7
[INFO] tweaked toml for crates.io crate peg-syntax-ext 0.5.7 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53e265e17a9a053cfbd8c2135bdbe6a67b2d35d61027e19025b042f2e143aa73
[INFO] running `Command { std: "docker" "start" "-a" "53e265e17a9a053cfbd8c2135bdbe6a67b2d35d61027e19025b042f2e143aa73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53e265e17a9a053cfbd8c2135bdbe6a67b2d35d61027e19025b042f2e143aa73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53e265e17a9a053cfbd8c2135bdbe6a67b2d35d61027e19025b042f2e143aa73", kill_on_drop: false }`
[INFO] [stdout] 53e265e17a9a053cfbd8c2135bdbe6a67b2d35d61027e19025b042f2e143aa73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b4e95b5da1a13a1b266c78ebadb852205e81d347110950f94d9df0947b71eb2
[INFO] running `Command { std: "docker" "start" "-a" "0b4e95b5da1a13a1b266c78ebadb852205e81d347110950f94d9df0947b71eb2", kill_on_drop: false }`
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]     Checking peg v0.5.7
[INFO] [stderr]  Documenting peg-syntax-ext v0.5.7 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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]  --> lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | 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]  --> lib.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use] pub extern crate syntax;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `rustc_errors`
[INFO] [stdout]  --> lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate rustc_errors as errors;
[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 `smallvec`
[INFO] [stdout]  --> lib.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use] extern crate smallvec;
[INFO] [stdout]   |              ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `plugin_registrar` in this scope
[INFO] [stdout]   --> lib.rs:23:3
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[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 `panictry` in this scope
[INFO] [stdout]   --> lib.rs:80:28
[INFO] [stdout]    |
[INFO] [stdout] 80 |     while let Some(item) = panictry!(p.parse_item()) {
[INFO] [stdout]    |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `smallvec` in this scope
[INFO] [stdout]   --> lib.rs:84:21
[INFO] [stdout]    |
[INFO] [stdout] 84 |     MacEager::items(smallvec![cx.item_mod(sp, sp, ident, vec![], items)])
[INFO] [stdout]    |                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `smallvec` is imported here, but it is an unresolved item, not a macro
[INFO] [stdout]   --> lib.rs:5:14
[INFO] [stdout]    |
[INFO] [stdout] 5  | #[macro_use] extern crate smallvec;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `panictry` in this scope
[INFO] [stdout]   --> lib.rs:93:39
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let arg = cx.expander().fold_expr(panictry!(parser.parse_expr()));
[INFO] [stdout]    |                                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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 11 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0463, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `peg-syntax-ext`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type dylib --crate-name peg_syntax_ext lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1c7a76bcebb6a214 -L dependency=/opt/rustwide/target/debug/deps --extern peg=/opt/rustwide/target/debug/deps/libpeg-6b9add7df12cc7d7.rmeta --cap-lints=warn --crate-version 0.5.7` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0b4e95b5da1a13a1b266c78ebadb852205e81d347110950f94d9df0947b71eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4e95b5da1a13a1b266c78ebadb852205e81d347110950f94d9df0947b71eb2", kill_on_drop: false }`
[INFO] [stdout] 0b4e95b5da1a13a1b266c78ebadb852205e81d347110950f94d9df0947b71eb2