Dec 03 04:30:03.045 INFO testing irclap-0.1.0 against 1.30.1 for beta-1.31-5
Dec 03 04:30:03.045 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 04:30:03.339 INFO [stdout] e3bf40bfa8ca797ccd8cd7414d0890655b79291190e1c2517ff39dd8c4b4f3c4
Dec 03 04:30:03.345 INFO running `"docker" "start" "-a" "e3bf40bfa8ca797ccd8cd7414d0890655b79291190e1c2517ff39dd8c4b4f3c4"`
Dec 03 04:30:03.980 INFO [stderr] usermod: no changes
Dec 03 04:30:04.337 INFO [stderr]    Compiling tokio-mockstream v1.1.0
Dec 03 04:30:04.337 INFO [stderr]    Compiling tokio-tls v0.2.0
Dec 03 04:30:06.493 INFO [stderr]    Compiling irc v0.13.6
Dec 03 04:30:20.072 INFO [stderr]    Compiling irclap v0.1.0 (/source)
Dec 03 04:30:28.511 INFO [stderr] error[E0554]: #![feature] may not be used on the stable release channel
Dec 03 04:30:28.515 INFO [stderr]   --> src/lib.rs:11:1
Dec 03 04:30:28.515 INFO [stderr]    |
Dec 03 04:30:28.515 INFO [stderr] 11 | #![feature(conservative_impl_trait)]
Dec 03 04:30:28.515 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 03 04:30:28.515 INFO [stderr] 
Dec 03 04:30:28.515 INFO [stderr] error: aborting due to previous error
Dec 03 04:30:28.515 INFO [stderr] 
Dec 03 04:30:28.515 INFO [stderr] For more information about this error, try `rustc --explain E0554`.
Dec 03 04:30:28.523 INFO [stderr] error: Could not compile `irclap`.
Dec 03 04:30:28.523 INFO [stderr] 
Dec 03 04:30:28.523 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 04:30:28.527 INFO [stderr] su: No module specific data is present
Dec 03 04:30:29.165 INFO running `"docker" "inspect" "e3bf40bfa8ca797ccd8cd7414d0890655b79291190e1c2517ff39dd8c4b4f3c4"`
Dec 03 04:30:29.350 INFO running `"docker" "rm" "-f" "e3bf40bfa8ca797ccd8cd7414d0890655b79291190e1c2517ff39dd8c4b4f3c4"`
Dec 03 04:30:29.588 INFO [stdout] e3bf40bfa8ca797ccd8cd7414d0890655b79291190e1c2517ff39dd8c4b4f3c4