Aug 02 13:37:43.380 INFO checking bytestool-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 13:37:43.380 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:37:43.380 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:37:43.380 INFO running `"docker" "create" "-v" "/tmp/crater.eq4K3XI551EQ:/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 02 13:37:43.561 INFO blam! a028b0b781d624fb90051abfd8111e942416f254f9ea95f1ab5914a89cd79a58
Aug 02 13:37:43.563 INFO running `"docker" "start" "-a" "a028b0b781d624fb90051abfd8111e942416f254f9ea95f1ab5914a89cd79a58"`
Aug 02 13:37:44.275 INFO kablam!     Checking bytestool v0.2.0 (file:///source)
Aug 02 13:37:46.336 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:37:46.336 INFO kablam!  --> src/lib.rs:2:1
Aug 02 13:37:46.336 INFO kablam!   |
Aug 02 13:37:46.336 INFO kablam! 2 | #![feature(plugin_registrar, rustc_private)]
Aug 02 13:37:46.337 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:37:46.337 INFO kablam! 
Aug 02 13:37:46.337 INFO kablam! error: aborting due to previous error
Aug 02 13:37:46.337 INFO kablam! 
Aug 02 13:37:46.337 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:37:46.345 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:37:46.345 INFO kablam!  --> src/lib.rs:2:1
Aug 02 13:37:46.345 INFO kablam!   |
Aug 02 13:37:46.345 INFO kablam! 2 | #![feature(plugin_registrar, rustc_private)]
Aug 02 13:37:46.345 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 13:37:46.345 INFO kablam! 
Aug 02 13:37:46.346 INFO kablam! error: aborting due to previous error
Aug 02 13:37:46.346 INFO kablam! 
Aug 02 13:37:46.346 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:37:46.363 INFO kablam! error: Could not compile `bytestool`.
Aug 02 13:37:46.363 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:37:46.363 INFO kablam! error: Could not compile `bytestool`.
Aug 02 13:37:46.363 INFO kablam! 
Aug 02 13:37:46.363 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 13:37:46.364 INFO kablam! su: No module specific data is present
Aug 02 13:37:46.909 INFO running `"docker" "rm" "-f" "a028b0b781d624fb90051abfd8111e942416f254f9ea95f1ab5914a89cd79a58"`
Aug 02 13:37:47.041 INFO blam! a028b0b781d624fb90051abfd8111e942416f254f9ea95f1ab5914a89cd79a58