Aug 01 20:04:37.833 INFO checking tree_magic-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 20:04:37.834 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:04:37.835 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:04:37.835 INFO running `"docker" "create" "-v" "/tmp/crater.cI0vKk55abHk:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+tmplazy:/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 20:04:38.019 INFO blam! 0fcfba5ce51bba84ca985fcfac0a7f1f33fb7e96f393e11e7e876da89fb38b53
Aug 01 20:04:38.022 INFO running `"docker" "start" "-a" "0fcfba5ce51bba84ca985fcfac0a7f1f33fb7e96f393e11e7e876da89fb38b53"`
Aug 01 20:04:39.034 INFO kablam!     Checking tree_magic v0.2.0 (file:///source)
Aug 01 20:04:41.233 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:04:41.233 INFO kablam!  --> benches/from_u8.rs:1:1
Aug 01 20:04:41.233 INFO kablam!   |
Aug 01 20:04:41.233 INFO kablam! 1 | #![feature(test)]
Aug 01 20:04:41.233 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 20:04:41.233 INFO kablam! 
Aug 01 20:04:41.233 INFO kablam! error: aborting due to previous error
Aug 01 20:04:41.233 INFO kablam! 
Aug 01 20:04:41.233 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:04:41.233 INFO kablam! error: Could not compile `tree_magic`.
Aug 01 20:04:41.233 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:04:41.261 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:04:41.261 INFO kablam!  --> benches/match_u8.rs:1:1
Aug 01 20:04:41.261 INFO kablam!   |
Aug 01 20:04:41.261 INFO kablam! 1 | #![feature(test)]
Aug 01 20:04:41.261 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 20:04:41.262 INFO kablam! 
Aug 01 20:04:41.262 INFO kablam! error: aborting due to previous error
Aug 01 20:04:41.263 INFO kablam! 
Aug 01 20:04:41.263 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:04:41.271 INFO kablam! error: Could not compile `tree_magic`.
Aug 01 20:04:41.272 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:04:41.586 INFO kablam! error: build failed
Aug 01 20:04:41.588 INFO kablam! su: No module specific data is present
Aug 01 20:04:42.315 INFO running `"docker" "rm" "-f" "0fcfba5ce51bba84ca985fcfac0a7f1f33fb7e96f393e11e7e876da89fb38b53"`
Aug 01 20:04:42.467 INFO blam! 0fcfba5ce51bba84ca985fcfac0a7f1f33fb7e96f393e11e7e876da89fb38b53