Aug 02 03:14:35.989 INFO checking objrs_frameworks_foundation-0.0.0 against 1.27.2 for lazy_static-1
Aug 02 03:14:35.989 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:14:35.989 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:14:35.989 INFO running `"docker" "create" "-v" "/tmp/crater.tzw4aTDrB7tT:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 03:14:36.247 INFO blam! 1c472dd45b21bde2d1e90962371f97294f8ee21a862b9452993b1390e015bf14
Aug 02 03:14:36.250 INFO running `"docker" "start" "-a" "1c472dd45b21bde2d1e90962371f97294f8ee21a862b9452993b1390e015bf14"`
Aug 02 03:14:37.288 INFO kablam!     Checking libc v0.2.42
Aug 02 03:14:37.288 INFO kablam!    Compiling literalext v0.2.0
Aug 02 03:14:37.288 INFO kablam!    Compiling proc-macro2 v0.3.8
Aug 02 03:14:38.499 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:14:38.499 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.3.8/src/lib.rs:47:34
Aug 02 03:14:38.499 INFO kablam!    |
Aug 02 03:14:38.499 INFO kablam! 47 | #![cfg_attr(feature = "nightly", feature(proc_macro))]
Aug 02 03:14:38.499 INFO kablam!    |                                  ^^^^^^^^^^^^^^^^^^^^
Aug 02 03:14:38.508 INFO kablam! 
Aug 02 03:14:38.515 INFO kablam! error: aborting due to previous error
Aug 02 03:14:38.515 INFO kablam! 
Aug 02 03:14:38.515 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:14:38.526 INFO kablam! error: Could not compile `proc-macro2`.
Aug 02 03:14:38.526 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:14:38.546 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:14:38.546 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/literalext-0.2.0/src/lib.rs:19:37
Aug 02 03:14:38.546 INFO kablam!    |
Aug 02 03:14:38.546 INFO kablam! 19 | #![cfg_attr(feature = "proc-macro", feature(proc_macro))]
Aug 02 03:14:38.546 INFO kablam!    |                                     ^^^^^^^^^^^^^^^^^^^^
Aug 02 03:14:38.546 INFO kablam! 
Aug 02 03:14:38.548 INFO kablam! error: aborting due to previous error
Aug 02 03:14:38.548 INFO kablam! 
Aug 02 03:14:38.548 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:14:38.557 INFO kablam! error: Could not compile `literalext`.
Aug 02 03:14:38.558 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:14:39.918 INFO kablam! error: build failed
Aug 02 03:14:39.920 INFO kablam! su: No module specific data is present
Aug 02 03:14:40.446 INFO running `"docker" "rm" "-f" "1c472dd45b21bde2d1e90962371f97294f8ee21a862b9452993b1390e015bf14"`
Aug 02 03:14:40.569 INFO blam! 1c472dd45b21bde2d1e90962371f97294f8ee21a862b9452993b1390e015bf14