[INFO] fetching crate tauri-interop-macro 2.2.1...
[INFO] testing tauri-interop-macro-2.2.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tauri-interop-macro 2.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tauri-interop-macro 2.2.1
[INFO] finished tweaking crates.io crate tauri-interop-macro 2.2.1
[INFO] tweaked toml for crates.io crate tauri-interop-macro 2.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tauri-interop-macro 2.2.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tauri-interop-macro 2.2.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-version v0.1.4
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[INFO] [stderr]   Downloaded convert_case v0.8.0
[INFO] [stderr]   Downloaded tauri-build v2.2.0
[INFO] [stderr]   Downloaded cargo_toml v0.22.1
[INFO] [stderr]   Downloaded tauri-codegen v2.2.0
[INFO] [stderr]   Downloaded tauri-macros v2.2.0
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[INFO] [stderr]   Downloaded serde-untagged v0.1.7
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9afe83d5e4667a98c4651627da92938c41864eba223fed1506d6ce08fde60dc9
[INFO] running `Command { std: "docker" "start" "-a" "9afe83d5e4667a98c4651627da92938c41864eba223fed1506d6ce08fde60dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9afe83d5e4667a98c4651627da92938c41864eba223fed1506d6ce08fde60dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9afe83d5e4667a98c4651627da92938c41864eba223fed1506d6ce08fde60dc9", kill_on_drop: false }`
[INFO] [stdout] 9afe83d5e4667a98c4651627da92938c41864eba223fed1506d6ce08fde60dc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c64bcbbfc94d1a1b62a3856b3a1aecf4e0eac7714851efd56eec7f53ec0766fb
[INFO] running `Command { std: "docker" "start" "-a" "c64bcbbfc94d1a1b62a3856b3a1aecf4e0eac7714851efd56eec7f53ec0766fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling convert_case v0.8.0
[INFO] [stderr]    Compiling tauri-interop-macro v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iter_intersperse)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(doc_cfg)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tauri-interop-macro` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c64bcbbfc94d1a1b62a3856b3a1aecf4e0eac7714851efd56eec7f53ec0766fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c64bcbbfc94d1a1b62a3856b3a1aecf4e0eac7714851efd56eec7f53ec0766fb", kill_on_drop: false }`
[INFO] [stdout] c64bcbbfc94d1a1b62a3856b3a1aecf4e0eac7714851efd56eec7f53ec0766fb