Dec 02 14:53:31.913 INFO testing sync-threadpool-0.0.2 against 1.30.1 for beta-1.31-5
Dec 02 14:53:31.913 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 14:53:32.320 INFO [stdout] 0deef18ddc7c78de462863529d1c1166297c4899e86b962881dd5723367fa443
Dec 02 14:53:32.327 INFO running `"docker" "start" "-a" "0deef18ddc7c78de462863529d1c1166297c4899e86b962881dd5723367fa443"`
Dec 02 14:53:33.370 INFO [stderr] usermod: no changes
Dec 02 14:53:33.419 INFO [stderr]    Compiling sync-threadpool v0.0.2 (/source)
Dec 02 14:53:34.035 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 14:53:34.035 INFO [stderr]   --> src/lib.rs:62:1
Dec 02 14:53:34.035 INFO [stderr]    |
Dec 02 14:53:34.035 INFO [stderr] 62 | #![feature(fnbox)]
Dec 02 14:53:34.035 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^
Dec 02 14:53:34.035 INFO [stderr] 
Dec 02 14:53:34.035 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 14:53:34.035 INFO [stderr]   --> src/lib.rs:63:1
Dec 02 14:53:34.035 INFO [stderr]    |
Dec 02 14:53:34.035 INFO [stderr] 63 | #![feature(box_syntax)]
Dec 02 14:53:34.035 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 14:53:34.035 INFO [stderr] 
Dec 02 14:53:34.035 INFO [stderr] error: aborting due to 2 previous errors
Dec 02 14:53:34.035 INFO [stderr] 
Dec 02 14:53:34.035 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 14:53:34.035 INFO [stderr] error: Could not compile `sync-threadpool`.
Dec 02 14:53:34.035 INFO [stderr] 
Dec 02 14:53:34.035 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 14:53:34.035 INFO [stderr] su: No module specific data is present
Dec 02 14:53:34.695 INFO running `"docker" "inspect" "0deef18ddc7c78de462863529d1c1166297c4899e86b962881dd5723367fa443"`
Dec 02 14:53:35.022 INFO running `"docker" "rm" "-f" "0deef18ddc7c78de462863529d1c1166297c4899e86b962881dd5723367fa443"`
Dec 02 14:53:35.459 INFO [stdout] 0deef18ddc7c78de462863529d1c1166297c4899e86b962881dd5723367fa443