Aug 02 04:47:44.751 INFO checking macro-machines-0.8.4 against 1.27.2+tmplazy for lazy_static-1 Aug 02 04:47:44.751 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 04:47:44.751 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 04:47:44.751 INFO running `"docker" "create" "-v" "/tmp/crater.Auds96yNzttl:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+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 04:47:45.067 INFO blam! 66dfa9aee326fed0acd8e5c9e3f9e23faeba58c9ec0339103a6ecc1683e89e36 Aug 02 04:47:45.069 INFO running `"docker" "start" "-a" "66dfa9aee326fed0acd8e5c9e3f9e23faeba58c9ec0339103a6ecc1683e89e36"` Aug 02 04:47:46.032 INFO kablam! Checking marksman_escape v0.1.2 Aug 02 04:47:59.529 INFO kablam! Checking macro-machines v0.8.4 (file:///source) Aug 02 04:48:00.116 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 04:48:00.116 INFO kablam! --> src/lib.rs:68:1 Aug 02 04:48:00.116 INFO kablam! | Aug 02 04:48:00.116 INFO kablam! 68 | #![feature(use_extern_macros)] Aug 02 04:48:00.116 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 04:48:00.117 INFO kablam! Aug 02 04:48:00.130 INFO kablam! error: aborting due to previous error Aug 02 04:48:00.130 INFO kablam! Aug 02 04:48:00.131 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 04:48:00.141 INFO kablam! error: Could not compile `macro-machines`. Aug 02 04:48:00.141 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 02 04:48:00.199 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 04:48:00.199 INFO kablam! --> src/lib.rs:68:1 Aug 02 04:48:00.200 INFO kablam! | Aug 02 04:48:00.200 INFO kablam! 68 | #![feature(use_extern_macros)] Aug 02 04:48:00.200 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 04:48:00.200 INFO kablam! Aug 02 04:48:00.202 INFO kablam! error: aborting due to previous error Aug 02 04:48:00.202 INFO kablam! Aug 02 04:48:00.202 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 04:48:00.212 INFO kablam! error: Could not compile `macro-machines`. Aug 02 04:48:00.212 INFO kablam! Aug 02 04:48:00.212 INFO kablam! To learn more, run the command again with --verbose. Aug 02 04:48:00.215 INFO kablam! su: No module specific data is present Aug 02 04:48:01.112 INFO running `"docker" "rm" "-f" "66dfa9aee326fed0acd8e5c9e3f9e23faeba58c9ec0339103a6ecc1683e89e36"` Aug 02 04:48:01.243 INFO blam! 66dfa9aee326fed0acd8e5c9e3f9e23faeba58c9ec0339103a6ecc1683e89e36