Dec 03 13:38:39.520 INFO testing drone-macros-0.6.0 against 1.30.1 for beta-1.31-5
Dec 03 13:38:39.520 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 03 13:38:39.691 INFO [stdout] 96e9ec451e662f96e0f0dd06ffd32278258d518d53a55ac57dba472825ba783c
Dec 03 13:38:39.696 INFO running `"docker" "start" "-a" "96e9ec451e662f96e0f0dd06ffd32278258d518d53a55ac57dba472825ba783c"`
Dec 03 13:38:40.943 INFO [stderr] usermod: no changes
Dec 03 13:38:40.996 INFO [stderr]    Compiling drone-macros v0.6.0 (/source)
Dec 03 13:38:44.987 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 13:38:44.987 INFO [stderr]  --> src/lib.rs:4:1
Dec 03 13:38:44.987 INFO [stderr]   |
Dec 03 13:38:44.987 INFO [stderr] 4 | #![feature(proc_macro)]
Dec 03 13:38:44.987 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 13:38:44.987 INFO [stderr] 
Dec 03 13:38:44.987 INFO [stderr] error: aborting due to previous error
Dec 03 13:38:44.987 INFO [stderr] 
Dec 03 13:38:44.987 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 13:38:45.000 INFO [stderr] error: Could not compile `drone-macros`.
Dec 03 13:38:45.000 INFO [stderr] 
Dec 03 13:38:45.000 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 13:38:45.000 INFO [stderr] su: No module specific data is present
Dec 03 13:38:45.345 INFO running `"docker" "inspect" "96e9ec451e662f96e0f0dd06ffd32278258d518d53a55ac57dba472825ba783c"`
Dec 03 13:38:45.480 INFO running `"docker" "rm" "-f" "96e9ec451e662f96e0f0dd06ffd32278258d518d53a55ac57dba472825ba783c"`
Dec 03 13:38:45.647 INFO [stdout] 96e9ec451e662f96e0f0dd06ffd32278258d518d53a55ac57dba472825ba783c