Aug 02 03:14:56.975 INFO checking object-space-0.1.1 against 1.27.2 for lazy_static-1
Aug 02 03:14:56.975 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:14:56.975 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:14:56.975 INFO running `"docker" "create" "-v" "/tmp/crater.QRa8IzEMWL60:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 02 03:14:57.184 INFO blam! 6e8b0fb91cf6ab4f4f7188052ed066f47b35b4d2c8ff949d447cc6ba42dbc6c7
Aug 02 03:14:57.190 INFO running `"docker" "start" "-a" "6e8b0fb91cf6ab4f4f7188052ed066f47b35b4d2c8ff949d447cc6ba42dbc6c7"`
Aug 02 03:14:58.366 INFO kablam!     Checking owning_ref v0.2.4
Aug 02 03:14:58.368 INFO kablam!     Checking image v0.18.0
Aug 02 03:14:59.137 INFO kablam!     Checking parking_lot v0.3.8
Aug 02 03:15:00.319 INFO kablam!     Checking chashmap v2.2.0
Aug 02 03:15:01.134 INFO kablam!     Checking object-space v0.1.1 (file:///source)
Aug 02 03:15:02.108 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:15:02.108 INFO kablam!    --> src/lib.rs:134:1
Aug 02 03:15:02.108 INFO kablam!     |
Aug 02 03:15:02.108 INFO kablam! 134 | #![feature(collections_range)]
Aug 02 03:15:02.108 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 03:15:02.108 INFO kablam! 
Aug 02 03:15:02.116 INFO kablam! error: aborting due to previous error
Aug 02 03:15:02.117 INFO kablam! 
Aug 02 03:15:02.117 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:15:02.126 INFO kablam! error: Could not compile `object-space`.
Aug 02 03:15:02.126 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:15:06.567 INFO kablam! error: build failed
Aug 02 03:15:06.569 INFO kablam! su: No module specific data is present
Aug 02 03:15:07.233 INFO running `"docker" "rm" "-f" "6e8b0fb91cf6ab4f4f7188052ed066f47b35b4d2c8ff949d447cc6ba42dbc6c7"`
Aug 02 03:15:07.331 INFO blam! 6e8b0fb91cf6ab4f4f7188052ed066f47b35b4d2c8ff949d447cc6ba42dbc6c7