[INFO] fetching crate starlane-primitive-macros 0.3.21...
[INFO] testing starlane-primitive-macros-0.3.21 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate starlane-primitive-macros 0.3.21 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate starlane-primitive-macros 0.3.21
[INFO] finished tweaking crates.io crate starlane-primitive-macros 0.3.21
[INFO] tweaked toml for crates.io crate starlane-primitive-macros 0.3.21 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate starlane-primitive-macros 0.3.21 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to highest compatible versions
[INFO] [stderr]       Adding prettyplease v0.2.37 (available: v0.3.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v3.0.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 87d39bbe87591c28919ab976b6f58221004da5359b1383cf31841553d402e154
[INFO] running `Command { std: "docker" "start" "87d39bbe87591c28919ab976b6f58221004da5359b1383cf31841553d402e154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87d39bbe87591c28919ab976b6f58221004da5359b1383cf31841553d402e154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "87d39bbe87591c28919ab976b6f58221004da5359b1383cf31841553d402e154" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87d39bbe87591c28919ab976b6f58221004da5359b1383cf31841553d402e154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "87d39bbe87591c28919ab976b6f58221004da5359b1383cf31841553d402e154" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling starlane-primitive-macros v0.3.21 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0565]: malformed `feature` attribute input
[INFO] [stdout]  --> src/lib.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[feature("proc_macro_lib2")]
[INFO] [stdout]   |   ^^^^^^^^-----------------^
[INFO] [stdout]   |           |
[INFO] [stdout]   |           expected a valid identifier here
[INFO] [stdout]   |
[INFO] [stdout] help: must be of the form
[INFO] [stdout]   |
[INFO] [stdout] 4 - #[feature("proc_macro_lib2")]
[INFO] [stdout] 4 + #[feature(feature1, feature2, ...)]
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0565`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `starlane-primitive-macros` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "87d39bbe87591c28919ab976b6f58221004da5359b1383cf31841553d402e154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d39bbe87591c28919ab976b6f58221004da5359b1383cf31841553d402e154", kill_on_drop: false }`
[INFO] [stdout] 87d39bbe87591c28919ab976b6f58221004da5359b1383cf31841553d402e154
