[INFO] fetching crate starlane-primitive-macros 0.3.21...
[INFO] testing starlane-primitive-macros-0.3.21 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate starlane-primitive-macros 0.3.21 into /workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate starlane-primitive-macros 0.3.21 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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] 1d9a48a579a16f080ecb88fd0c6c4c700fcf4632e014d4b5f4afb3e296466bbc
[INFO] running `Command { std: "docker" "start" "1d9a48a579a16f080ecb88fd0c6c4c700fcf4632e014d4b5f4afb3e296466bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d9a48a579a16f080ecb88fd0c6c4c700fcf4632e014d4b5f4afb3e296466bbc", 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" "1d9a48a579a16f080ecb88fd0c6c4c700fcf4632e014d4b5f4afb3e296466bbc" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d9a48a579a16f080ecb88fd0c6c4c700fcf4632e014d4b5f4afb3e296466bbc", 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" "1d9a48a579a16f080ecb88fd0c6c4c700fcf4632e014d4b5f4afb3e296466bbc" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "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] [stderr] warning: unused dependency `prettyplease`
[INFO] [stderr]  --> Cargo.toml:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | [dependencies.prettyplease]
[INFO] [stderr]   |               ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `prettyplease`
[INFO] [stderr] warning: `starlane-primitive-macros` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "1d9a48a579a16f080ecb88fd0c6c4c700fcf4632e014d4b5f4afb3e296466bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d9a48a579a16f080ecb88fd0c6c4c700fcf4632e014d4b5f4afb3e296466bbc", kill_on_drop: false }`
[INFO] [stdout] 1d9a48a579a16f080ecb88fd0c6c4c700fcf4632e014d4b5f4afb3e296466bbc
