Nov 02 05:16:51.001 INFO testing serde_osc-0.4.2 against beta-2018-10-30 for beta-1.31-1
Nov 02 05:16:51.001 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-1/beta-2018-10-30:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/beta-1.31-1/beta-2018-10-30:/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 +beta-2018-10-30 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 05:16:51.457 INFO blam! 82cd8208ca1106167c359194f46d7ada1118f8afdfd5312be2685652beb07ee0
Nov 02 05:16:51.458 INFO running `"docker" "start" "-a" "82cd8208ca1106167c359194f46d7ada1118f8afdfd5312be2685652beb07ee0"`
Nov 02 05:16:52.579 INFO kablam! usermod: no changes
Nov 02 05:16:52.639 INFO kablam!    Compiling serde_osc v0.4.2 (/source)
Nov 02 05:16:53.407 INFO kablam! error[E0554]: #![feature] may not be used on the beta release channel
Nov 02 05:16:53.407 INFO kablam!   --> src/lib.rs:88:1
Nov 02 05:16:53.407 INFO kablam!    |
Nov 02 05:16:53.407 INFO kablam! 88 | #![feature(try_from)]
Nov 02 05:16:53.407 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:16:53.407 INFO kablam! 
Nov 02 05:16:53.412 INFO kablam! error: aborting due to previous error
Nov 02 05:16:53.412 INFO kablam! 
Nov 02 05:16:53.415 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 05:16:53.428 INFO kablam! error: Could not compile `serde_osc`.
Nov 02 05:16:53.428 INFO kablam! 
Nov 02 05:16:53.428 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 05:16:53.430 INFO kablam! su: No module specific data is present
Nov 02 05:16:53.935 INFO running `"docker" "rm" "-f" "82cd8208ca1106167c359194f46d7ada1118f8afdfd5312be2685652beb07ee0"`
Nov 02 05:16:54.181 INFO blam! 82cd8208ca1106167c359194f46d7ada1118f8afdfd5312be2685652beb07ee0
