Aug 02 06:58:24.782 INFO checking ident-0.3.9 against 1.27.2+tmplazy for lazy_static-1
Aug 02 06:58:24.782 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:58:24.783 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:58:24.783 INFO running `"docker" "create" "-v" "/tmp/crater.BUPr35A88Wbi:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 06:58:24.932 INFO blam! 41fd7ca1bb22e07050dc7058a5624cdb47a779f7ccbe0a56d94eeb5a980eb49b
Aug 02 06:58:24.935 INFO running `"docker" "start" "-a" "41fd7ca1bb22e07050dc7058a5624cdb47a779f7ccbe0a56d94eeb5a980eb49b"`
Aug 02 06:58:26.031 INFO kablam!     Checking ident v0.3.9 (file:///source)
Aug 02 06:58:26.425 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:58:26.425 INFO kablam!  --> src/lib.rs:8:1
Aug 02 06:58:26.425 INFO kablam!   |
Aug 02 06:58:26.425 INFO kablam! 8 | #![feature(const_fn)]
Aug 02 06:58:26.425 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 06:58:26.425 INFO kablam! 
Aug 02 06:58:26.428 INFO kablam! error: aborting due to previous error
Aug 02 06:58:26.428 INFO kablam! 
Aug 02 06:58:26.428 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:58:26.434 INFO kablam! error: Could not compile `ident`.
Aug 02 06:58:26.434 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:58:26.466 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:58:26.466 INFO kablam!  --> src/lib.rs:8:1
Aug 02 06:58:26.466 INFO kablam!   |
Aug 02 06:58:26.466 INFO kablam! 8 | #![feature(const_fn)]
Aug 02 06:58:26.466 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 06:58:26.466 INFO kablam! 
Aug 02 06:58:26.468 INFO kablam! error: aborting due to previous error
Aug 02 06:58:26.468 INFO kablam! 
Aug 02 06:58:26.469 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:58:26.475 INFO kablam! error: Could not compile `ident`.
Aug 02 06:58:26.475 INFO kablam! 
Aug 02 06:58:26.475 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 06:58:26.477 INFO kablam! su: No module specific data is present
Aug 02 06:58:27.471 INFO running `"docker" "rm" "-f" "41fd7ca1bb22e07050dc7058a5624cdb47a779f7ccbe0a56d94eeb5a980eb49b"`
Aug 02 06:58:27.570 INFO blam! 41fd7ca1bb22e07050dc7058a5624cdb47a779f7ccbe0a56d94eeb5a980eb49b