Dec 02 04:05:33.867 INFO testing QuietMisdreavus/rust-docbot against 1.30.1 for beta-1.31-5
Dec 02 04:05:33.867 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-5/1.30.1:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 02 04:05:34.283 INFO [stdout] 6177810cf3525e3d30311d0b671bab9a8838819fa37bd4f070683db6a4903921
Dec 02 04:05:34.286 INFO running `"docker" "start" "-a" "6177810cf3525e3d30311d0b671bab9a8838819fa37bd4f070683db6a4903921"`
Dec 02 04:05:35.555 INFO [stderr] usermod: no changes
Dec 02 04:05:35.687 INFO [stderr]    Compiling quote v0.2.3
Dec 02 04:05:35.687 INFO [stderr]    Compiling openssl-sys v0.7.17
Dec 02 04:05:35.687 INFO [stderr]    Compiling openssl v0.7.14
Dec 02 04:05:35.687 INFO [stderr]    Compiling rls-span v0.4.0
Dec 02 04:05:36.868 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 04:05:36.868 INFO [stderr]   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rls-span-0.4.0/src/lib.rs:12:1
Dec 02 04:05:36.868 INFO [stderr]    |
Dec 02 04:05:36.868 INFO [stderr] 12 | #![feature(proc_macro)]
Dec 02 04:05:36.868 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 04:05:36.868 INFO [stderr] 
Dec 02 04:05:36.868 INFO [stderr] error: aborting due to previous error
Dec 02 04:05:36.868 INFO [stderr] 
Dec 02 04:05:36.868 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 04:05:36.887 INFO [stderr] error: Could not compile `rls-span`.
Dec 02 04:05:36.887 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 02 04:05:38.617 INFO [stderr] error: build failed
Dec 02 04:05:38.618 INFO [stderr] su: No module specific data is present
Dec 02 04:05:39.178 INFO running `"docker" "inspect" "6177810cf3525e3d30311d0b671bab9a8838819fa37bd4f070683db6a4903921"`
Dec 02 04:05:39.525 INFO running `"docker" "rm" "-f" "6177810cf3525e3d30311d0b671bab9a8838819fa37bd4f070683db6a4903921"`
Dec 02 04:05:39.890 INFO [stdout] 6177810cf3525e3d30311d0b671bab9a8838819fa37bd4f070683db6a4903921