Nov 02 06:14:58.974 INFO testing rustfbp-0.3.34 against 1.30.0 for beta-1.31-1
Nov 02 06:14:58.975 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-6/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-1/1.30.0:/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 +1.30.0 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"`
Nov 02 06:14:59.379 INFO blam! 4e96f302b234ed75182bc10e4a0aa013ddcccb276228a364bd0453ec1997f959
Nov 02 06:14:59.387 INFO running `"docker" "start" "-a" "4e96f302b234ed75182bc10e4a0aa013ddcccb276228a364bd0453ec1997f959"`
Nov 02 06:15:00.949 INFO kablam! usermod: no changes
Nov 02 06:15:01.075 INFO kablam!    Compiling capnp v0.8.17
Nov 02 06:15:01.081 INFO kablam!    Compiling libloading v0.4.3
Nov 02 06:15:04.627 INFO kablam!    Compiling rustfbp v0.3.34 (/source)
Nov 02 06:15:05.567 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 06:15:05.567 INFO kablam!  --> src/lib.rs:1:1
Nov 02 06:15:05.567 INFO kablam!   |
Nov 02 06:15:05.567 INFO kablam! 1 | #![feature(alloc_system)]
Nov 02 06:15:05.567 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 06:15:05.567 INFO kablam! 
Nov 02 06:15:05.571 INFO kablam! error: aborting due to previous error
Nov 02 06:15:05.571 INFO kablam! 
Nov 02 06:15:05.571 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 06:15:05.577 INFO kablam! error: Could not compile `rustfbp`.
Nov 02 06:15:05.577 INFO kablam! 
Nov 02 06:15:05.577 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 06:15:05.578 INFO kablam! su: No module specific data is present
Nov 02 06:15:06.647 INFO running `"docker" "rm" "-f" "4e96f302b234ed75182bc10e4a0aa013ddcccb276228a364bd0453ec1997f959"`
Nov 02 06:15:06.932 INFO blam! 4e96f302b234ed75182bc10e4a0aa013ddcccb276228a364bd0453ec1997f959
