[INFO] fetching crate alloc_counter 0.0.4...
[INFO] documenting alloc_counter-0.0.4 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate alloc_counter 0.0.4 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate alloc_counter 0.0.4 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate alloc_counter 0.0.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate alloc_counter 0.0.4
[INFO] tweaked toml for crates.io crate alloc_counter 0.0.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate alloc_counter 0.0.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alloc_counter_macro v0.0.2
[INFO] [stderr]   Downloaded syn v1.0.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded futures-task v0.3.1
[INFO] [stderr]   Downloaded futures-util v0.3.1
[INFO] [stderr]   Downloaded futures-core v0.3.1
[INFO] [stderr]   Downloaded futures-executor v0.3.1
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de1524be0f906fbc01eb4e3f7bb6326f3edf8c0efda67539888ccad91a12d371
[INFO] running `Command { std: "docker" "start" "-a" "de1524be0f906fbc01eb4e3f7bb6326f3edf8c0efda67539888ccad91a12d371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de1524be0f906fbc01eb4e3f7bb6326f3edf8c0efda67539888ccad91a12d371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1524be0f906fbc01eb4e3f7bb6326f3edf8c0efda67539888ccad91a12d371", kill_on_drop: false }`
[INFO] [stdout] de1524be0f906fbc01eb4e3f7bb6326f3edf8c0efda67539888ccad91a12d371
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2815898c7ef833f4065affcc60db995fdc9400b72ad417c877ffe5ff1c9404d
[INFO] running `Command { std: "docker" "start" "-a" "a2815898c7ef833f4065affcc60db995fdc9400b72ad417c877ffe5ff1c9404d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.9
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling alloc_counter_macro v0.0.2
[INFO] [stderr]  Documenting alloc_counter v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "a2815898c7ef833f4065affcc60db995fdc9400b72ad417c877ffe5ff1c9404d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2815898c7ef833f4065affcc60db995fdc9400b72ad417c877ffe5ff1c9404d", kill_on_drop: false }`
[INFO] [stdout] a2815898c7ef833f4065affcc60db995fdc9400b72ad417c877ffe5ff1c9404d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f792dac165743bf2a40689e35f32f147e21a069ae38efe3c0e467a2cbd9103b
[INFO] running `Command { std: "docker" "start" "-a" "0f792dac165743bf2a40689e35f32f147e21a069ae38efe3c0e467a2cbd9103b", kill_on_drop: false }`
[INFO] [stderr]  Documenting alloc_counter v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:42
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![cfg_attr(feature = "rustdoc", feature(external_doc))]
[INFO] [stdout]   |                                          ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `alloc_counter`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name alloc_counter src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="alloc_counter_macro"' --cfg 'feature="default"' --cfg 'feature="macros"' --cfg 'feature="rustdoc"' --cfg 'feature="std"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -C metadata=202d882d34e37fc1 -L dependency=/opt/rustwide/target/debug/deps --extern alloc_counter_macro=/opt/rustwide/target/debug/deps/liballoc_counter_macro-34288350e0a92442.so --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-29a0134aaaf8daa2.rmeta --extern-html-root-url 'alloc_counter_macro=https://docs.rs/alloc_counter_macro/0.0.2/' --extern-html-root-url 'pin_utils=https://docs.rs/pin-utils/0.1.0-alpha.4/' -Zunstable-options --cap-lints=warn --crate-version 0.0.4` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0f792dac165743bf2a40689e35f32f147e21a069ae38efe3c0e467a2cbd9103b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f792dac165743bf2a40689e35f32f147e21a069ae38efe3c0e467a2cbd9103b", kill_on_drop: false }`
[INFO] [stdout] 0f792dac165743bf2a40689e35f32f147e21a069ae38efe3c0e467a2cbd9103b
