[INFO] fetching crate gtk-properties-macro 0.1.0...
[INFO] documenting gtk-properties-macro-0.1.0 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate gtk-properties-macro 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate gtk-properties-macro 0.1.0 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] started tweaking crates.io crate gtk-properties-macro 0.1.0
[INFO] finished tweaking crates.io crate gtk-properties-macro 0.1.0
[INFO] tweaked toml for crates.io crate gtk-properties-macro 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate gtk-properties-macro 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.63
[INFO] [stderr]   Downloaded gtk4-sys v0.4.8
[INFO] [stderr]   Downloaded pango-sys v0.15.10
[INFO] [stderr]   Downloaded futures-channel v0.3.24
[INFO] [stderr]   Downloaded gdk4-sys v0.4.8
[INFO] [stderr]   Downloaded futures-executor v0.3.24
[INFO] [stderr]   Downloaded futures-task v0.3.24
[INFO] [stderr]   Downloaded futures-util v0.3.24
[INFO] [stderr]   Downloaded clap v3.2.20
[INFO] [stderr]   Downloaded ansi_colours v1.1.1
[INFO] [stderr]   Downloaded clircle v0.3.0
[INFO] [stderr]   Downloaded path_abs v0.5.1
[INFO] [stderr]   Downloaded cargo-subcommand-metadata v0.1.0
[INFO] [stderr]   Downloaded cargo-expand v1.0.30
[INFO] [stderr]   Downloaded pest v2.3.0
[INFO] [stderr]   Downloaded content_inspector v0.2.4
[INFO] [stderr]   Downloaded gio v0.15.12
[INFO] [stderr]   Downloaded glib v0.15.12
[INFO] [stderr]   Downloaded std_prelude v0.2.12
[INFO] [stderr]   Downloaded pango v0.15.10
[INFO] [stderr]   Downloaded futures-io v0.3.24
[INFO] [stderr]   Downloaded cfg-expr v0.10.3
[INFO] [stderr]   Downloaded syntect v5.0.0
[INFO] [stderr]   Downloaded bat v0.21.0
[INFO] [stderr]   Downloaded gtk4 v0.4.8
[INFO] [stderr]   Downloaded gio-sys v0.15.10
[INFO] [stderr]   Downloaded system-deps v6.0.2
[INFO] [stderr]   Downloaded gdk-pixbuf v0.15.11
[INFO] [stderr]   Downloaded glib-macros v0.15.11
[INFO] [stderr]   Downloaded glib-sys v0.15.10
[INFO] [stderr]   Downloaded gobject-sys v0.15.10
[INFO] [stderr]   Downloaded cairo-rs v0.15.12
[INFO] [stderr]   Downloaded graphene-rs v0.15.1
[INFO] [stderr]   Downloaded cairo-sys-rs v0.15.1
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.15.10
[INFO] [stderr]   Downloaded grep-cli v0.1.6
[INFO] [stderr]   Downloaded toolchain_find v0.2.0
[INFO] [stderr]   Downloaded graphene-sys v0.15.10
[INFO] [stderr]   Downloaded gsk4-sys v0.4.8
[INFO] [stderr]   Downloaded thiserror-impl v1.0.33
[INFO] [stderr]   Downloaded thiserror v1.0.33
[INFO] [stderr]   Downloaded prettyplease v0.1.19
[INFO] [stderr]   Downloaded macrotest v1.0.9
[INFO] [stderr]   Downloaded fancy-regex v0.7.1
[INFO] [stderr]   Downloaded syn-select v0.2.1
[INFO] [stderr]   Downloaded gdk4 v0.4.8
[INFO] [stderr]   Downloaded gsk4 v0.4.8
[INFO] [stderr]   Downloaded gtk4-macros v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5baa0cfc07443e0bb631bee5938911e9eab2dec6f63ce28d455bffedc3a07110
[INFO] running `Command { std: "docker" "start" "-a" "5baa0cfc07443e0bb631bee5938911e9eab2dec6f63ce28d455bffedc3a07110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5baa0cfc07443e0bb631bee5938911e9eab2dec6f63ce28d455bffedc3a07110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5baa0cfc07443e0bb631bee5938911e9eab2dec6f63ce28d455bffedc3a07110", kill_on_drop: false }`
[INFO] [stdout] 5baa0cfc07443e0bb631bee5938911e9eab2dec6f63ce28d455bffedc3a07110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] fbed2ccf79efaed8eaa80c288946a0cdbff8f4717bd0e3faa906d50bd485c2b5
[INFO] running `Command { std: "docker" "start" "-a" "fbed2ccf79efaed8eaa80c288946a0cdbff8f4717bd0e3faa906d50bd485c2b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]  Documenting gtk-properties-macro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `gtk-properties-macro`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2021 --crate-type proc-macro --crate-name gtk_properties_macro src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f8489b39663835ff -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6ade597955415f00.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-078b06b9db9140b7.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-80482fc89daf857d.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "fbed2ccf79efaed8eaa80c288946a0cdbff8f4717bd0e3faa906d50bd485c2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbed2ccf79efaed8eaa80c288946a0cdbff8f4717bd0e3faa906d50bd485c2b5", kill_on_drop: false }`
[INFO] [stdout] fbed2ccf79efaed8eaa80c288946a0cdbff8f4717bd0e3faa906d50bd485c2b5
