[INFO] fetching crate taikai 0.1.0...
[INFO] documenting taikai-0.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate taikai 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate taikai 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taikai 0.1.0
[INFO] finished tweaking crates.io crate taikai 0.1.0
[INFO] tweaked toml for crates.io crate taikai 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13a83b4b2dba73f4c2a893ae827e9e344ab8fa6424bd9b8031a4a9060e21752f
[INFO] running `Command { std: "docker" "start" "-a" "13a83b4b2dba73f4c2a893ae827e9e344ab8fa6424bd9b8031a4a9060e21752f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13a83b4b2dba73f4c2a893ae827e9e344ab8fa6424bd9b8031a4a9060e21752f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a83b4b2dba73f4c2a893ae827e9e344ab8fa6424bd9b8031a4a9060e21752f", kill_on_drop: false }`
[INFO] [stdout] 13a83b4b2dba73f4c2a893ae827e9e344ab8fa6424bd9b8031a4a9060e21752f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9fd8150fa1a673df026fa6fb5dfff414a1d17d0ea5737cff50960bab06e4fb2
[INFO] running `Command { std: "docker" "start" "-a" "f9fd8150fa1a673df026fa6fb5dfff414a1d17d0ea5737cff50960bab06e4fb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting taikai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[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 `taikai`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type proc-macro --crate-name taikai src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=1041db79e26a33e6 -L dependency=/opt/rustwide/target/debug/deps --extern encoding_rs=/opt/rustwide/target/debug/deps/libencoding_rs-54f61f097347b6d2.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-b3ee321ef5912e54.rmeta --extern heck=/opt/rustwide/target/debug/deps/libheck-55161aa61f40a850.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-1162775497a47e8e.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-a87ec500e0182365.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ae1a5c45d4503169.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9101cf7c7db31f26.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-f6c0658181dd854c.so --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-64e5e93fb6d613c4.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-0c6dfd8294853303.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f9fd8150fa1a673df026fa6fb5dfff414a1d17d0ea5737cff50960bab06e4fb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9fd8150fa1a673df026fa6fb5dfff414a1d17d0ea5737cff50960bab06e4fb2", kill_on_drop: false }`
[INFO] [stdout] f9fd8150fa1a673df026fa6fb5dfff414a1d17d0ea5737cff50960bab06e4fb2
[INFO] documenting taikai-0.1.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate taikai 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate taikai 0.1.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taikai 0.1.0
[INFO] finished tweaking crates.io crate taikai 0.1.0
[INFO] tweaked toml for crates.io crate taikai 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c12b2ec092a4dc5077996a2d57462fcd9f6041c26ac8c0b1eb50f71735699c54
[INFO] running `Command { std: "docker" "start" "-a" "c12b2ec092a4dc5077996a2d57462fcd9f6041c26ac8c0b1eb50f71735699c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c12b2ec092a4dc5077996a2d57462fcd9f6041c26ac8c0b1eb50f71735699c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12b2ec092a4dc5077996a2d57462fcd9f6041c26ac8c0b1eb50f71735699c54", kill_on_drop: false }`
[INFO] [stdout] c12b2ec092a4dc5077996a2d57462fcd9f6041c26ac8c0b1eb50f71735699c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dbe2d53525467073257e63768cfc6f7468fc1846bad5bf7532629ea9006c271
[INFO] running `Command { std: "docker" "start" "-a" "2dbe2d53525467073257e63768cfc6f7468fc1846bad5bf7532629ea9006c271", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting taikai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(custom_attribute)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of `#![register_tool]` and `#![register_attr]`
[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 `taikai`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type proc-macro --crate-name taikai src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=ba7cf5371d165636 -L dependency=/opt/rustwide/target/debug/deps --extern encoding_rs=/opt/rustwide/target/debug/deps/libencoding_rs-c1a4b4ea83ab10d8.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-5a762f4a26671811.rmeta --extern heck=/opt/rustwide/target/debug/deps/libheck-d82b6d72098676d3.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-b9db56d954f238fb.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4b5f6052f6f3fadb.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-313aa26198b525b5.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-3397635bcba4f0a9.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-a1f3a6cbe47d5e05.so --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-75d959120eaedf32.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-d4dd521b7ef3817a.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2dbe2d53525467073257e63768cfc6f7468fc1846bad5bf7532629ea9006c271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dbe2d53525467073257e63768cfc6f7468fc1846bad5bf7532629ea9006c271", kill_on_drop: false }`
[INFO] [stdout] 2dbe2d53525467073257e63768cfc6f7468fc1846bad5bf7532629ea9006c271
