[INFO] fetching crate proc-macro-kwargs 0.1.5...
[INFO] documenting proc-macro-kwargs-0.1.5 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate proc-macro-kwargs 0.1.5 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate proc-macro-kwargs 0.1.5 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 proc-macro-kwargs 0.1.5
[INFO] finished tweaking crates.io crate proc-macro-kwargs 0.1.5
[INFO] tweaked toml for crates.io crate proc-macro-kwargs 0.1.5 written to /workspace/builds/worker-5-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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-kwargs-derive v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 26d3f8d4d7e8435f5085575099e7e77674527dd4bcdfa2cb7ffcaf5841f81627
[INFO] running `Command { std: "docker" "start" "-a" "26d3f8d4d7e8435f5085575099e7e77674527dd4bcdfa2cb7ffcaf5841f81627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26d3f8d4d7e8435f5085575099e7e77674527dd4bcdfa2cb7ffcaf5841f81627", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d3f8d4d7e8435f5085575099e7e77674527dd4bcdfa2cb7ffcaf5841f81627", kill_on_drop: false }`
[INFO] [stdout] 26d3f8d4d7e8435f5085575099e7e77674527dd4bcdfa2cb7ffcaf5841f81627
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7644727ecbccff0a16921143bc20cdc87429d202cd42fce236bb5735441ee598
[INFO] running `Command { std: "docker" "start" "-a" "7644727ecbccff0a16921143bc20cdc87429d202cd42fce236bb5735441ee598", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling proc-macro-kwargs-derive v0.1.5
[INFO] [stderr]  Documenting proc-macro-kwargs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `proc-macro-kwargs`
[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 lib --crate-name proc_macro_kwargs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=fe41ffcd976866ef -L dependency=/opt/rustwide/target/debug/deps --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-007dee06a030a877.rmeta --extern proc_macro_kwargs_derive=/opt/rustwide/target/debug/deps/libproc_macro_kwargs_derive-8abd08cb39c98632.so --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-625488f9056fbf70.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e14489f88c70212e.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-4e92b2965fd0fa79.rmeta --cap-lints=warn --crate-version 0.1.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7644727ecbccff0a16921143bc20cdc87429d202cd42fce236bb5735441ee598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7644727ecbccff0a16921143bc20cdc87429d202cd42fce236bb5735441ee598", kill_on_drop: false }`
[INFO] [stdout] 7644727ecbccff0a16921143bc20cdc87429d202cd42fce236bb5735441ee598
[INFO] documenting proc-macro-kwargs-0.1.5 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate proc-macro-kwargs 0.1.5 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate proc-macro-kwargs 0.1.5 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 proc-macro-kwargs 0.1.5
[INFO] finished tweaking crates.io crate proc-macro-kwargs 0.1.5
[INFO] tweaked toml for crates.io crate proc-macro-kwargs 0.1.5 written to /workspace/builds/worker-5-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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7cd60512c2c5485de06726d7a71b2b27bdf33bb5cb875584103e43a36c8259d9
[INFO] running `Command { std: "docker" "start" "-a" "7cd60512c2c5485de06726d7a71b2b27bdf33bb5cb875584103e43a36c8259d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cd60512c2c5485de06726d7a71b2b27bdf33bb5cb875584103e43a36c8259d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd60512c2c5485de06726d7a71b2b27bdf33bb5cb875584103e43a36c8259d9", kill_on_drop: false }`
[INFO] [stdout] 7cd60512c2c5485de06726d7a71b2b27bdf33bb5cb875584103e43a36c8259d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7cd4dc1ecf3e4daa68d53f0501c3dda53f23e4d5a4f44e7741a0bb9a1f54990f
[INFO] running `Command { std: "docker" "start" "-a" "7cd4dc1ecf3e4daa68d53f0501c3dda53f23e4d5a4f44e7741a0bb9a1f54990f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]    Compiling proc-macro-kwargs-derive v0.1.5
[INFO] [stderr]  Documenting proc-macro-kwargs v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(trait_alias)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `proc-macro-kwargs`
[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 lib --crate-name proc_macro_kwargs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=46ad984835b07c8f -L dependency=/opt/rustwide/target/debug/deps --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-d77b62b9e17676a6.rmeta --extern proc_macro_kwargs_derive=/opt/rustwide/target/debug/deps/libproc_macro_kwargs_derive-e9375b03c43af1f2.so --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-afb4397283daa5c1.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e0002a5843bf7972.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-c7f7b0f688c5e8dd.rmeta --cap-lints=warn --crate-version 0.1.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "7cd4dc1ecf3e4daa68d53f0501c3dda53f23e4d5a4f44e7741a0bb9a1f54990f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd4dc1ecf3e4daa68d53f0501c3dda53f23e4d5a4f44e7741a0bb9a1f54990f", kill_on_drop: false }`
[INFO] [stdout] 7cd4dc1ecf3e4daa68d53f0501c3dda53f23e4d5a4f44e7741a0bb9a1f54990f
