Aug 02 12:05:08.431 INFO checking crypto-market-stream-0.0.1 against 1.27.2+tmplazy for lazy_static-1 Aug 02 12:05:08.431 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 12:05:08.431 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 12:05:08.431 INFO running `"docker" "create" "-v" "/tmp/crater.G2HNWvEZde4J:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 12:05:08.663 INFO blam! 21d188587b6b170fc451a676329dfcd1839d72fffbf029be0e21dd0785cbbd6c Aug 02 12:05:08.665 INFO running `"docker" "start" "-a" "21d188587b6b170fc451a676329dfcd1839d72fffbf029be0e21dd0785cbbd6c"` Aug 02 12:05:09.879 INFO kablam! Checking crypto-currency v0.0.2 Aug 02 12:05:17.177 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 12:05:17.177 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/crypto-currency-0.0.2/src/lib.rs:3:1 Aug 02 12:05:17.177 INFO kablam! | Aug 02 12:05:17.177 INFO kablam! 3 | #![feature(try_from)] Aug 02 12:05:17.177 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Aug 02 12:05:17.177 INFO kablam! Aug 02 12:05:17.220 INFO kablam! error: aborting due to previous error Aug 02 12:05:17.220 INFO kablam! Aug 02 12:05:17.220 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 12:05:17.238 INFO kablam! error: Could not compile `crypto-currency`. Aug 02 12:05:17.238 INFO kablam! Aug 02 12:05:17.239 INFO kablam! To learn more, run the command again with --verbose. Aug 02 12:05:17.240 INFO kablam! su: No module specific data is present Aug 02 12:05:17.804 INFO running `"docker" "rm" "-f" "21d188587b6b170fc451a676329dfcd1839d72fffbf029be0e21dd0785cbbd6c"` Aug 02 12:05:17.948 INFO blam! 21d188587b6b170fc451a676329dfcd1839d72fffbf029be0e21dd0785cbbd6c