[INFO] fetching crate defs 0.1.0...
[INFO] documenting defs-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate defs 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate defs 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate defs 0.1.0
[INFO] finished tweaking crates.io crate defs 0.1.0
[INFO] tweaked toml for crates.io crate defs 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-quote-impl v0.3.2
[INFO] [stderr]   Downloaded proc-quote v0.3.2
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da922d1a5f8a73dd2fd406a98b42473c2462654698e635640767ba611dfebe40
[INFO] running `Command { std: "docker" "start" "-a" "da922d1a5f8a73dd2fd406a98b42473c2462654698e635640767ba611dfebe40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da922d1a5f8a73dd2fd406a98b42473c2462654698e635640767ba611dfebe40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da922d1a5f8a73dd2fd406a98b42473c2462654698e635640767ba611dfebe40", kill_on_drop: false }`
[INFO] [stdout] da922d1a5f8a73dd2fd406a98b42473c2462654698e635640767ba611dfebe40
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a20de24ed58854669bf980d360847894ebe49ca8a7d0a984841f079700974ba6
[INFO] running `Command { std: "docker" "start" "-a" "a20de24ed58854669bf980d360847894ebe49ca8a7d0a984841f079700974ba6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking proc-quote v0.3.2
[INFO] [stderr]  Documenting defs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `proc_macro_error::proc_macro2`
[INFO] [stdout]  --> src/isel_pat.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     proc_macro2::{Group, Ident, Span},
[INFO] [stdout]   |     ^^^^^^^^^^^ could not find `proc_macro2` in `proc_macro_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `proc_macro2`
[INFO] [stdout]   --> src/isel_pat.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | type TS = proc_macro2::TokenStream;
[INFO] [stdout]    |           ^^^^^^^^^^^ use of undeclared crate or module `proc_macro2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `defs`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name defs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro_error=/opt/rustwide/target/debug/deps/libproc_macro_error-0cfd46017b8c6d21.rmeta --extern proc_quote=/opt/rustwide/target/debug/deps/libproc_quote-fc2895befd19f618.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d524addaf643abdd.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-e85175e840999277.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a20de24ed58854669bf980d360847894ebe49ca8a7d0a984841f079700974ba6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a20de24ed58854669bf980d360847894ebe49ca8a7d0a984841f079700974ba6", kill_on_drop: false }`
[INFO] [stdout] a20de24ed58854669bf980d360847894ebe49ca8a7d0a984841f079700974ba6
