Dec 02 15:29:06.830 INFO testing static_fir-0.2.0 against 1.30.1 for beta-1.31-5
Dec 02 15:29:06.830 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 15:29:07.349 INFO [stdout] 66395238d5f67a880048b81f36508bbfea01cff9c5aa77439017760e4180cd09
Dec 02 15:29:07.351 INFO running `"docker" "start" "-a" "66395238d5f67a880048b81f36508bbfea01cff9c5aa77439017760e4180cd09"`
Dec 02 15:29:08.355 INFO [stderr] usermod: no changes
Dec 02 15:29:08.403 INFO [stderr]    Compiling static_fir v0.2.0 (/source)
Dec 02 15:29:09.007 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 02 15:29:09.007 INFO [stderr]   --> src/lib.rs:62:1
Dec 02 15:29:09.007 INFO [stderr]    |
Dec 02 15:29:09.007 INFO [stderr] 62 | #![feature(conservative_impl_trait)]
Dec 02 15:29:09.007 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 02 15:29:09.007 INFO [stderr] 
Dec 02 15:29:09.007 INFO [stderr] error: aborting due to previous error
Dec 02 15:29:09.007 INFO [stderr] 
Dec 02 15:29:09.007 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 02 15:29:09.012 INFO [stderr] error: Could not compile `static_fir`.
Dec 02 15:29:09.012 INFO [stderr] 
Dec 02 15:29:09.012 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 15:29:09.015 INFO [stderr] su: No module specific data is present
Dec 02 15:29:09.666 INFO running `"docker" "inspect" "66395238d5f67a880048b81f36508bbfea01cff9c5aa77439017760e4180cd09"`
Dec 02 15:29:09.897 INFO running `"docker" "rm" "-f" "66395238d5f67a880048b81f36508bbfea01cff9c5aa77439017760e4180cd09"`
Dec 02 15:29:10.166 INFO [stdout] 66395238d5f67a880048b81f36508bbfea01cff9c5aa77439017760e4180cd09