Nov 02 05:16:51.364 INFO testing serde_osc-0.4.2 against 1.30.0 for beta-1.31-1
Nov 02 05:16:51.364 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-0/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 05:16:51.899 INFO blam! 9e101fd779be3570ac14cfb51799d90fde63aef972ae1a841649e6e86c4fed29
Nov 02 05:16:51.911 INFO running `"docker" "start" "-a" "9e101fd779be3570ac14cfb51799d90fde63aef972ae1a841649e6e86c4fed29"`
Nov 02 05:16:53.051 INFO kablam! usermod: no changes
Nov 02 05:16:53.107 INFO kablam!    Compiling serde_osc v0.4.2 (/source)
Nov 02 05:16:53.783 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Nov 02 05:16:53.783 INFO kablam!   --> src/lib.rs:88:1
Nov 02 05:16:53.784 INFO kablam!    |
Nov 02 05:16:53.784 INFO kablam! 88 | #![feature(try_from)]
Nov 02 05:16:53.784 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Nov 02 05:16:53.785 INFO kablam! 
Nov 02 05:16:53.791 INFO kablam! error: aborting due to previous error
Nov 02 05:16:53.791 INFO kablam! 
Nov 02 05:16:53.791 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Nov 02 05:16:53.799 INFO kablam! error: Could not compile `serde_osc`.
Nov 02 05:16:53.799 INFO kablam! 
Nov 02 05:16:53.799 INFO kablam! To learn more, run the command again with --verbose.
Nov 02 05:16:53.799 INFO kablam! su: No module specific data is present
Nov 02 05:16:54.737 INFO running `"docker" "rm" "-f" "9e101fd779be3570ac14cfb51799d90fde63aef972ae1a841649e6e86c4fed29"`
Nov 02 05:16:55.059 INFO blam! 9e101fd779be3570ac14cfb51799d90fde63aef972ae1a841649e6e86c4fed29
