Dec 03 04:37:25.066 INFO testing ion-0.8.1 against 1.30.1 for beta-1.31-5
Dec 03 04:37:25.066 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-0/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 04:37:25.550 INFO [stdout] 9226bdfbd52ef0cf0601a26d8b4fe14048afb484a0925164a535c6b0d7769aa9
Dec 03 04:37:25.554 INFO running `"docker" "start" "-a" "9226bdfbd52ef0cf0601a26d8b4fe14048afb484a0925164a535c6b0d7769aa9"`
Dec 03 04:37:26.406 INFO [stderr] usermod: no changes
Dec 03 04:37:26.463 INFO [stderr]    Compiling ion v0.8.1 (/source)
Dec 03 04:37:27.275 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 04:37:27.275 INFO [stderr]  --> src/lib.rs:1:1
Dec 03 04:37:27.275 INFO [stderr]   |
Dec 03 04:37:27.275 INFO [stderr] 1 | #![feature(slice_patterns)]
Dec 03 04:37:27.275 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 04:37:27.275 INFO [stderr] 
Dec 03 04:37:27.275 INFO [stderr] error: aborting due to previous error
Dec 03 04:37:27.275 INFO [stderr] 
Dec 03 04:37:27.275 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 04:37:27.291 INFO [stderr] error: Could not compile `ion`.
Dec 03 04:37:27.291 INFO [stderr] 
Dec 03 04:37:27.291 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 04:37:27.291 INFO [stderr] su: No module specific data is present
Dec 03 04:37:27.987 INFO running `"docker" "inspect" "9226bdfbd52ef0cf0601a26d8b4fe14048afb484a0925164a535c6b0d7769aa9"`
Dec 03 04:37:28.291 INFO running `"docker" "rm" "-f" "9226bdfbd52ef0cf0601a26d8b4fe14048afb484a0925164a535c6b0d7769aa9"`
Dec 03 04:37:28.561 INFO [stdout] 9226bdfbd52ef0cf0601a26d8b4fe14048afb484a0925164a535c6b0d7769aa9
