[INFO] fetching crate alloc_counter 0.0.4...
[INFO] documenting alloc_counter-0.0.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate alloc_counter 0.0.4 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate alloc_counter 0.0.4 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] removed /workspace/builds/worker-34/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-34/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: "/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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 26840453ce5614d62f34e90a5b0f163b439091d987cfb7be0a49e1381962d838
[INFO] running `Command { std: "docker" "start" "-a" "26840453ce5614d62f34e90a5b0f163b439091d987cfb7be0a49e1381962d838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26840453ce5614d62f34e90a5b0f163b439091d987cfb7be0a49e1381962d838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26840453ce5614d62f34e90a5b0f163b439091d987cfb7be0a49e1381962d838", kill_on_drop: false }`
[INFO] [stdout] 26840453ce5614d62f34e90a5b0f163b439091d987cfb7be0a49e1381962d838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 1ebdee01f75af2bd0e910d6c9b40c77677f981a8825c9640c7e8821399be99be
[INFO] running `Command { std: "docker" "start" "-a" "1ebdee01f75af2bd0e910d6c9b40c77677f981a8825c9640c7e8821399be99be", 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 9.26s
[INFO] running `Command { std: "docker" "inspect" "1ebdee01f75af2bd0e910d6c9b40c77677f981a8825c9640c7e8821399be99be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ebdee01f75af2bd0e910d6c9b40c77677f981a8825c9640c7e8821399be99be", kill_on_drop: false }`
[INFO] [stdout] 1ebdee01f75af2bd0e910d6c9b40c77677f981a8825c9640c7e8821399be99be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 2c13869174697c4d486a0c8523fc2af2c6b7d84aa9a1a80ace818c2e2b407e30
[INFO] running `Command { std: "docker" "start" "-a" "2c13869174697c4d486a0c8523fc2af2c6b7d84aa9a1a80ace818c2e2b407e30", 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] error: could not document `alloc_counter`
[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] [stderr] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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 -Z unstable-options --document-private-items -C metadata=6e529c9f5e333a8a -L dependency=/opt/rustwide/target/debug/deps --extern alloc_counter_macro=/opt/rustwide/target/debug/deps/liballoc_counter_macro-a653cf269f81ed42.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 --crate-version 0.0.4` (exit status: 1)
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c13869174697c4d486a0c8523fc2af2c6b7d84aa9a1a80ace818c2e2b407e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c13869174697c4d486a0c8523fc2af2c6b7d84aa9a1a80ace818c2e2b407e30", kill_on_drop: false }`
[INFO] [stdout] 2c13869174697c4d486a0c8523fc2af2c6b7d84aa9a1a80ace818c2e2b407e30