Nov 02 23:43:06.222 INFO testing compact-0.2.13 against 1.30.0 for beta-1.31-1
Nov 02 23:43:06.224 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 23:43:06.721 INFO blam! fed1357527217a92dbbd2c0b14a3952a95753c6a1488d6473d87a8b5d2c10914
Nov 02 23:43:06.724 INFO running `"docker" "start" "-a" "fed1357527217a92dbbd2c0b14a3952a95753c6a1488d6473d87a8b5d2c10914"`
Nov 02 23:43:08.351 INFO kablam! usermod: no changes
Nov 02 23:43:08.483 INFO kablam!    Compiling simple_allocator_trait v0.1.0
Nov 02 23:43:09.483 INFO kablam!    Compiling compact v0.2.13 (/source)
Nov 02 23:43:11.199 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 23:43:11.199 INFO kablam!   --> src/lib.rs:17:1
Nov 02 23:43:11.200 INFO kablam!    |
Nov 02 23:43:11.200 INFO kablam! 17 | #![feature(specialization)]
Nov 02 23:43:11.201 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 02 23:43:11.201 INFO kablam! 
Nov 02 23:43:11.205 INFO kablam! error: aborting due to previous error
Nov 02 23:43:11.205 INFO kablam! 
Nov 02 23:43:11.205 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 23:43:11.206 INFO kablam! error: Could not compile `compact`.
Nov 02 23:43:11.206 INFO kablam! 
Nov 02 23:43:11.206 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 23:43:11.207 INFO kablam! su: No module specific data is present
Nov 02 23:43:12.311 INFO running `"docker" "rm" "-f" "fed1357527217a92dbbd2c0b14a3952a95753c6a1488d6473d87a8b5d2c10914"`
Nov 02 23:43:12.567 INFO blam! fed1357527217a92dbbd2c0b14a3952a95753c6a1488d6473d87a8b5d2c10914
