Aug 02 02:24:36.123 INFO checking pin-api-0.2.1 against 1.27.2 for lazy_static-1
Aug 02 02:24:36.123 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:24:36.123 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:24:36.123 INFO running `"docker" "create" "-v" "/tmp/crater.HgahT72isSQ0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 02:24:36.293 INFO blam! 2ea252b5547745eb9dc20421d5d7af8330a2a98aa1a8f0c8d66e2111b6673c0a
Aug 02 02:24:36.295 INFO running `"docker" "start" "-a" "2ea252b5547745eb9dc20421d5d7af8330a2a98aa1a8f0c8d66e2111b6673c0a"`
Aug 02 02:24:37.636 INFO kablam!     Checking pin-api v0.2.1 (file:///source)
Aug 02 02:24:37.986 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:24:37.986 INFO kablam!  --> src/lib.rs:2:34
Aug 02 02:24:37.986 INFO kablam!   |
Aug 02 02:24:37.986 INFO kablam! 2 | #![cfg_attr(feature = "nightly", feature(fundamental, optin_builtin_traits, coerce_unsized, unsize))]
Aug 02 02:24:37.986 INFO kablam!   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:24:37.986 INFO kablam! 
Aug 02 02:24:37.986 INFO kablam! error: aborting due to previous error
Aug 02 02:24:37.986 INFO kablam! 
Aug 02 02:24:37.986 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:24:37.989 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:24:37.989 INFO kablam!  --> src/lib.rs:2:34
Aug 02 02:24:37.989 INFO kablam!   |
Aug 02 02:24:37.989 INFO kablam! 2 | #![cfg_attr(feature = "nightly", feature(fundamental, optin_builtin_traits, coerce_unsized, unsize))]
Aug 02 02:24:37.989 INFO kablam!   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:24:37.989 INFO kablam! 
Aug 02 02:24:37.989 INFO kablam! error: aborting due to previous error
Aug 02 02:24:37.989 INFO kablam! 
Aug 02 02:24:37.989 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:24:37.990 INFO kablam! error: Could not compile `pin-api`.
Aug 02 02:24:37.990 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:24:37.993 INFO kablam! error: Could not compile `pin-api`.
Aug 02 02:24:37.993 INFO kablam! 
Aug 02 02:24:37.993 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 02:24:37.994 INFO kablam! su: No module specific data is present
Aug 02 02:24:39.099 INFO running `"docker" "rm" "-f" "2ea252b5547745eb9dc20421d5d7af8330a2a98aa1a8f0c8d66e2111b6673c0a"`
Aug 02 02:24:39.259 INFO blam! 2ea252b5547745eb9dc20421d5d7af8330a2a98aa1a8f0c8d66e2111b6673c0a