Aug 01 22:36:58.954 INFO checking serde_osc-0.4.2 against 1.27.2 for lazy_static-1
Aug 01 22:36:58.954 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:36:58.954 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 22:36:58.955 INFO running `"docker" "create" "-v" "/tmp/crater.TTmipvEPkNOm:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 22:36:59.182 INFO blam! 0eed91522186957a9eeb8b8287f632efa2a367018893c23b577aee9dcf55442d
Aug 01 22:36:59.183 INFO running `"docker" "start" "-a" "0eed91522186957a9eeb8b8287f632efa2a367018893c23b577aee9dcf55442d"`
Aug 01 22:37:00.367 INFO kablam!     Checking serde_osc v0.4.2 (file:///source)
Aug 01 22:37:01.136 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:37:01.136 INFO kablam!   --> src/lib.rs:88:1
Aug 01 22:37:01.136 INFO kablam!    |
Aug 01 22:37:01.136 INFO kablam! 88 | #![feature(try_from)]
Aug 01 22:37:01.136 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:37:01.136 INFO kablam! 
Aug 01 22:37:01.145 INFO kablam! error: aborting due to previous error
Aug 01 22:37:01.145 INFO kablam! 
Aug 01 22:37:01.145 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:37:01.156 INFO kablam! error: Could not compile `serde_osc`.
Aug 01 22:37:01.157 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 22:37:01.282 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 22:37:01.282 INFO kablam!   --> src/lib.rs:88:1
Aug 01 22:37:01.282 INFO kablam!    |
Aug 01 22:37:01.282 INFO kablam! 88 | #![feature(try_from)]
Aug 01 22:37:01.282 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 01 22:37:01.282 INFO kablam! 
Aug 01 22:37:01.292 INFO kablam! error: aborting due to previous error
Aug 01 22:37:01.292 INFO kablam! 
Aug 01 22:37:01.292 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 22:37:01.306 INFO kablam! error: Could not compile `serde_osc`.
Aug 01 22:37:01.306 INFO kablam! 
Aug 01 22:37:01.306 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 22:37:01.314 INFO kablam! su: No module specific data is present
Aug 01 22:37:02.023 INFO running `"docker" "rm" "-f" "0eed91522186957a9eeb8b8287f632efa2a367018893c23b577aee9dcf55442d"`
Aug 01 22:37:02.186 INFO blam! 0eed91522186957a9eeb8b8287f632efa2a367018893c23b577aee9dcf55442d