Dec 02 18:29:21.564 INFO testing rustfbp-0.3.34 against 1.30.1 for beta-1.31-5
Dec 02 18:29:21.565 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 18:29:21.929 INFO [stdout] 52a29153fdb640bc777139c4b48be172a23c8070ad9c2a00897013beabc89b1d
Dec 02 18:29:21.931 INFO running `"docker" "start" "-a" "52a29153fdb640bc777139c4b48be172a23c8070ad9c2a00897013beabc89b1d"`
Dec 02 18:29:23.298 INFO [stderr] usermod: no changes
Dec 02 18:29:23.398 INFO [stderr]    Compiling capnp v0.8.17
Dec 02 18:29:23.398 INFO [stderr]    Compiling libloading v0.4.3
Dec 02 18:29:26.941 INFO [stderr]    Compiling rustfbp v0.3.34 (/source)
Dec 02 18:29:27.807 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 18:29:27.807 INFO [stderr]  --> src/lib.rs:1:1
Dec 02 18:29:27.807 INFO [stderr]   |
Dec 02 18:29:27.807 INFO [stderr] 1 | #![feature(alloc_system)]
Dec 02 18:29:27.807 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 18:29:27.807 INFO [stderr] 
Dec 02 18:29:27.807 INFO [stderr] error: aborting due to previous error
Dec 02 18:29:27.807 INFO [stderr] 
Dec 02 18:29:27.807 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 18:29:27.810 INFO [stderr] error: Could not compile `rustfbp`.
Dec 02 18:29:27.810 INFO [stderr] 
Dec 02 18:29:27.810 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 18:29:27.811 INFO [stderr] su: No module specific data is present
Dec 02 18:29:28.540 INFO running `"docker" "inspect" "52a29153fdb640bc777139c4b48be172a23c8070ad9c2a00897013beabc89b1d"`
Dec 02 18:29:28.919 INFO running `"docker" "rm" "-f" "52a29153fdb640bc777139c4b48be172a23c8070ad9c2a00897013beabc89b1d"`
Dec 02 18:29:29.243 INFO [stdout] 52a29153fdb640bc777139c4b48be172a23c8070ad9c2a00897013beabc89b1d